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Safety, Ministry of Education, China","organization":"Key Laboratory of Advanced Nuclear Energy Design and Safety, Ministry of Education","country":{"code":"CN","name":"China"}}]},{"first_name":"Zi-Rui","last_name":"Hao","name":"Zi-Rui Hao","affiliations":[{"value":"Shanghai Advanced Research Institute, Chinese Academy of Sciences, China","organization":"Shanghai Advanced Research Institute, Chinese Academy of Sciences","country":{"code":"CN","name":"China"}}]},{"first_name":"Qian-kun","last_name":"Sun","name":"Qian-kun Sun","affiliations":[{"value":"Shanghai Institute of Applied Physics, Chinese Academy of Sciences, China","organization":"Shanghai Institute of Applied Physics, Chinese Academy of Sciences","country":{"code":"CN","name":"China"}},{"value":"University of Chinese Academy of Sciences, Beijing, China","organization":"University of Chinese Academy of Sciences, Beijing","country":{"code":"CN","name":"China"}}]},{"first_name":"Hong-Wei","last_name":"Wang","name":"Hong-Wei 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Beijing","country":{"code":"CN","name":"China"}}]},{"first_name":"Kai-Jie","last_name":"Chen","name":"Kai-Jie Chen","affiliations":[{"value":"Shanghai Institute of Applied Physics, Chinese Academy of Sciences, China","organization":"Shanghai Institute of Applied Physics, Chinese Academy of Sciences","country":{"code":"CN","name":"China"}},{"value":"School of Physical Science and Technology, ShanghaiTech University, China","organization":"School of Physical Science and Technology, ShanghaiTech University","country":{"code":"CN","name":"China"}}]},{"first_name":"Meng-Die","last_name":"Zhou","name":"Meng-Die Zhou","affiliations":[{"value":"Shanghai Advanced Research Institute, Chinese Academy of Sciences, China","organization":"Shanghai Advanced Research Institute, Chinese Academy of Sciences","country":{"code":"CN","name":"China"}},{"value":"College of Physics, Henan Normal University, China","organization":"College of Physics, Henan Normal University","country":{"code":"CN","name":"China"}}]},{"first_name":"Zhen-Wei","last_name":"Wang","name":"Zhen-Wei Wang","affiliations":[{"value":"Shanghai Institute of Applied Physics, Chinese Academy of Sciences, China","organization":"Shanghai Institute of Applied Physics, Chinese Academy of Sciences","country":{"code":"CN","name":"China"}},{"value":"University of Chinese Academy of Sciences, Beijing, China","organization":"University of Chinese Academy of Sciences, Beijing","country":{"code":"CN","name":"China"}}]},{"first_name":"Meng-Ke","last_name":"Xu","name":"Meng-Ke Xu","affiliations":[{"value":"Shanghai Institute of Applied Physics, Chinese Academy of Sciences, China","organization":"Shanghai Institute of Applied Physics, Chinese Academy of Sciences","country":{"code":"CN","name":"China"}},{"value":"University of Chinese Academy of Sciences, Beijing, China","organization":"University of Chinese Academy of Sciences, Beijing","country":{"code":"CN","name":"China"}}]},{"first_name":"Xiang-Fei","last_name":"Wang","name":"Xiang-Fei Wang","affiliations":[{"value":"Shanghai Institute of Applied Physics, Chinese Academy of Sciences, China","organization":"Shanghai Institute of Applied Physics, Chinese Academy of Sciences","country":{"code":"CN","name":"China"}},{"value":"University of Chinese Academy of Sciences, Beijing, China","organization":"University of Chinese Academy of Sciences, Beijing","country":{"code":"CN","name":"China"}}]},{"first_name":"Chang","last_name":"Yang","name":"Chang Yang","affiliations":[{"value":"Shanghai Advanced Research Institute, Chinese Academy of Sciences, China","organization":"Shanghai Advanced Research Institute, Chinese Academy of Sciences","country":{"code":"CN","name":"China"}},{"value":"China Nuclear Data Center, China Institute of Atomic Energy, China","organization":"China Nuclear Data Center, China Institute of Atomic Energy","country":{"code":"CN","name":"China"}}]},{"first_name":"Pu","last_name":"Jiao","name":"Pu Jiao","affiliations":[{"value":"College of Physics, Henan Normal University, China","organization":"College of Physics, Henan Normal University","country":{"code":"CN","name":"China"}}]},{"first_name":"Chun-Wang","last_name":"Ma","name":"Chun-Wang Ma","affiliations":[{"value":"Institute of Nuclear Science and Technology, Henan Academy of Sciences, China","organization":"Institute of Nuclear Science and Technology, Henan Academy of Sciences","country":{"code":"CN","name":"China"}}]},{"first_name":"Gong-Tao","last_name":"Fan","name":"Gong-Tao Fan","affiliations":[{"value":"Shanghai Advanced Research Institute, Chinese Academy of Sciences, China","organization":"Shanghai Advanced Research Institute, Chinese Academy of Sciences","country":{"code":"CN","name":"China"}},{"value":"University of Chinese Academy of Sciences, Beijing, China","organization":"University of Chinese Academy of Sciences, Beijing","country":{"code":"CN","name":"China"}}]},{"first_name":"Zhi-Cai","last_name":"Li","name":"Zhi-Cai Li","affiliations":[{"value":"School of Nuclear Science and Technology, University of South China, China","organization":"School of Nuclear Science and Technology, University of South China","country":{"code":"CN","name":"China"}},{"value":"Key Laboratory of Advanced Nuclear Energy Design and Safety, Ministry of Education, China","organization":"Key Laboratory of Advanced Nuclear Energy Design and Safety, Ministry of Education","country":{"code":"CN","name":"China"}}]},{"first_name":"Wen","last_name":"Luo","name":"Wen Luo","affiliations":[{"value":"School of Nuclear Science and Technology, University of South China, China","organization":"School of Nuclear Science and Technology, University of South China","country":{"code":"CN","name":"China"}},{"value":"Key Laboratory of Advanced Nuclear Energy Design and Safety, Ministry of Education, China","organization":"Key Laboratory of Advanced Nuclear Energy Design and Safety, Ministry of Education","country":{"code":"CN","name":"China"}}]}],"first_online_date":null,"abstract":"A new measurement of the $^{65}$Cu($\\textit{γ}$, $\\textit{n}$)$^{64}$Cu photoneutron cross section is performed using quasi-monoenergetic, tunable $\\textit{γ}$-ray beams produced at the Shanghai Laser Electron Gamma Source (SLEGS). The energy spectrum of the SLEGS $\\textit{γ}$-ray beams incident on the isotopically enriched $^{65}$Cu target is monitored using a BGO detector, while the photoneutron yields are determined with a moderated $^{3}$He detection array with high and flat efficiency. Within the energy range of $10.1 \\le E_\\gamma \\le 17.6$ MeV, the measured $\\sigma(E_\\gamma)$ data have an uncertainty of $\\lesssim 4$ %, and a pronounced giant-dipole peak is observed at $E_\\gamma \\simeq 16.65$ MeV with a maximal cross section of $\\sigma_{\\text{max}} \\simeq 137$ mb. These photoneutron data are compared with previous experimental results and are employed to extract the $\\textit{γ}$-ray strength function of $^{65}$Cu above the neutron threshold. Furthermore, we calculate the radiative neutron capture cross sections and astrophysical reaction rates for $^{64}$Cu, which is a short-lived intermediate nucleus whose reaction rate controls the local abundance distribution in the weak $\\textit{s}$-process. It is found that the calculated $^{64}$Cu($\\textit{n,}$ $\\textit{γ}$)$^{65}$Cu data have an overall agreement with ENDF/B-VIII.0, JEFF-3.3, and TENDL-2023 evaluations, and the corresponding astrophysical reaction rates are consistent with those reported in the JINA REACLIB database.","id":89724,"title":"Photoneutron cross section measurements on $^{65}$Cu: toward understanding ($\\textit{n,}$ $\\textit{γ}$) cross sections relevant to weak $\\textit{s}$-process nucleosynthesis * This work was supported by the National Key Research and Development Program (2023YFA1606901), and the National Natural Science Foundation of China (12575133, 12505144)","related_materials":[]},{"related_files":[{"file":"https://scoap3-dev-backend.s3.cern.ch/media/harvested_files/10.1088/1674-1137/ae5044/cpc_50_6_063106.pdf","created":"2026-05-15T18:25:48.527799+00:00","updated":"2026-05-15T18:25:48.527813+00:00"},{"file":"https://scoap3-dev-backend.s3.cern.ch/media/harvested_files/10.1088/1674-1137/ae5044/cpc_50_6_063106.xml","created":"2026-05-15T18:25:48.531669+00:00","updated":"2026-05-15T18:25:48.531687+00:00"}],"related_licenses":[{"url":"http://creativecommons.org/licenses/by/3.0/","name":"CC-BY-3.0"}],"publication_date":"2026-06-01","_updated_at":"2026-05-15T18:25:48.625139+00:00","publication_info":[{"journal_volume":"50","journal_issue":"6","journal_title":"Chinese Physics C","material":"article","page_start":"","page_end":"","artid":"063106","volume_year":"2026","journal_issue_date":null,"publisher":"IOP"}],"article_arxiv_category":[{"category":"hep-ph","primary":true},{"category":"hep-ex","primary":false}],"copyright":[{"statement":"© 2026 Chinese Physical Society and the Institute of High Energy Physics of the Chinese Academy of Sciences and the Institute of Modern Physics of the Chinese Academy of Sciences and IOP Publishing Ltd","year":2026,"holder":""}],"subtitle":"","doi":"10.1088/1674-1137/ae5044","countries":["CN"],"article_identifiers":[{"identifier_type":"DOI","identifier_value":"10.1088/1674-1137/ae5044"},{"identifier_type":"arXiv","identifier_value":"2511.21290"}],"reception_date":null,"acceptance_date":null,"_created_at":"2026-05-15T18:25:39.526146","authors":[{"first_name":"Wanyun","last_name":"Chen","name":"Wanyun Chen","affiliations":[{"value":"Department of Physics and Institute of Theoretical Physics, Nanjing Normal University, China","organization":"Department of Physics and Institute of Theoretical Physics, Nanjing Normal University","country":{"code":"CN","name":"China"}}]},{"first_name":"Haoqi","last_name":"Li","name":"Haoqi Li","affiliations":[{"value":"Department of Physics and Institute of Theoretical Physics, Nanjing Normal University, China","organization":"Department of Physics and Institute of Theoretical Physics, Nanjing Normal University","country":{"code":"CN","name":"China"}}]},{"first_name":"Chih-Ting","last_name":"Lu","name":"Chih-Ting Lu","affiliations":[{"value":"Department of Physics and Institute of Theoretical Physics, Nanjing Normal University, China","organization":"Department of Physics and Institute of Theoretical Physics, Nanjing Normal University","country":{"code":"CN","name":"China"}},{"value":"Nanjing Key Laboratory of Particle Physics and Astrophysics, China","organization":"Nanjing Key Laboratory of Particle Physics and Astrophysics","country":{"code":"CN","name":"China"}}]},{"first_name":"Qiulei","last_name":"Wang","name":"Qiulei Wang","affiliations":[{"value":"Department of Physics and Institute of Theoretical Physics, Nanjing Normal University, China","organization":"Department of Physics and Institute of Theoretical Physics, Nanjing Normal University","country":{"code":"CN","name":"China"}}]}],"first_online_date":null,"abstract":"The Galactic Center GeV Excess (GCE) remains a compelling but enigmatic signal from the inner regions of our galaxy. Muonphilic dark matter (DM), which couples exclusively to muons via a new mediator, provides a viable explanation for the GCE and relic density while naturally evading constraints from direct detection, collider searches, and other multimessenger observations. Based on the viable nonresonant parameter space identified in previous global fits, we perform a comprehensive study on the prospects for discovering such muonphilic DM in the context of a future 3 TeV muon collider, focusing on simplified models with a $Z_2$ -even mediator. Four distinct search strategies are investigated: visible on-shell mediator decays ( $\\mu^{+}\\mu^{-}\\gamma$ final state), invisible on-shell mediator decays (mono-photon plus missing energy), mono-photon production via off-shell mediators, and vector boson fusion production. Through a detailed signal-background analysis using cut-and-count methods, we project the exclusion limits at $ 95 $ % confidence level for seven representative models across a wide range of mediator masses. Our results demonstrate that the projected limits cover a significant portion of viable parameter space that explains the GCE, establishing a muon collider as a decisive machine for testing the muonphilic DM hypothesis.","id":8607,"title":"Exploring muonphilic dark matter with the $\\textit{Z}$ $_{2}$-even mediator at muon colliders * Chih-Ting Lu, Wanyun Chen and Haoqi Li are supported by the National Natural Science Foundation of China (NNSFC) (12335005, 12575118) and the Special funds for postdoctoral overseas recruitment, Ministry of Education of China","related_materials":[]},{"related_files":[{"file":"https://scoap3-dev-backend.s3.cern.ch/media/harvested_files/10.1088/1674-1137/ae5590/cpc_50_6_063109.pdf","created":"2026-05-15T18:25:45.322908+00:00","updated":"2026-05-15T18:25:45.322920+00:00"},{"file":"https://scoap3-dev-backend.s3.cern.ch/media/harvested_files/10.1088/1674-1137/ae5590/cpc_50_6_063109.xml","created":"2026-05-15T18:25:45.326224+00:00","updated":"2026-05-15T18:25:45.326233+00:00"}],"related_licenses":[{"url":"http://creativecommons.org/licenses/by/3.0/","name":"CC-BY-3.0"}],"publication_date":"2026-06-01","_updated_at":"2026-05-15T18:25:45.445256+00:00","publication_info":[{"journal_volume":"50","journal_issue":"6","journal_title":"Chinese Physics C","material":"article","page_start":"","page_end":"","artid":"063109","volume_year":"2026","journal_issue_date":null,"publisher":"IOP"}],"article_arxiv_category":[{"category":"hep-ph","primary":true}],"copyright":[{"statement":"© 2026 Chinese Physical Society and the Institute of High Energy Physics of the Chinese Academy of Sciences and the Institute of Modern Physics of the Chinese Academy of Sciences and IOP Publishing Ltd","year":2026,"holder":""}],"subtitle":"","doi":"10.1088/1674-1137/ae5590","countries":["CN"],"article_identifiers":[{"identifier_type":"DOI","identifier_value":"10.1088/1674-1137/ae5590"},{"identifier_type":"arXiv","identifier_value":"2501.01060"}],"reception_date":null,"acceptance_date":null,"_created_at":"2026-05-15T18:25:39.918753","authors":[{"first_name":"Sheng-Kai","last_name":"Cui","name":"Sheng-Kai Cui","affiliations":[{"value":"Department of Physics, Guangxi University, China","organization":"Department of Physics, Guangxi University","country":{"code":"CN","name":"China"}}]},{"first_name":"Ke-Sheng","last_name":"Sun","name":"Ke-Sheng Sun","affiliations":[{"value":"Department of Physics, Baoding University, China","organization":"Department of Physics, Baoding University","country":{"code":"CN","name":"China"}}]},{"first_name":"Yu-Li","last_name":"Yan","name":"Yu-Li Yan","affiliations":[{"value":"Department of Physics, Hebei University, China","organization":"Department of Physics, Hebei University","country":{"code":"CN","name":"China"}}]},{"first_name":"Jin-Lei","last_name":"Yang","name":"Jin-Lei Yang","affiliations":[{"value":"Department of Physics, Hebei University, China","organization":"Department of Physics, Hebei University","country":{"code":"CN","name":"China"}},{"value":"Hebei Key Laboratory of High-precision Computation and Application of Quantum Field Theory, China","organization":"Hebei Key Laboratory of High-precision Computation and Application of Quantum Field Theory","country":{"code":"CN","name":"China"}},{"value":"Hebei Research Center of the Basic Discipline for Computational Physics, China","organization":"Hebei Research Center of the Basic Discipline for Computational Physics","country":{"code":"CN","name":"China"}}]},{"first_name":"Tai-Fu","last_name":"Feng","name":"Tai-Fu Feng","affiliations":[{"value":"Department of Physics, Hebei University, China","organization":"Department of Physics, Hebei University","country":{"code":"CN","name":"China"}},{"value":"Department of Physics, Guangxi University, China","organization":"Department of Physics, Guangxi University","country":{"code":"CN","name":"China"}},{"value":"Hebei Key Laboratory of High-precision Computation and Application of Quantum Field Theory, China","organization":"Hebei Key Laboratory of High-precision Computation and Application of Quantum Field Theory","country":{"code":"CN","name":"China"}},{"value":"Hebei Research Center of the Basic Discipline for Computational Physics, China","organization":"Hebei Research Center of the Basic Discipline for Computational Physics","country":{"code":"CN","name":"China"}},{"value":"Department of Physics, Chongqing University, China","organization":"Department of Physics, Chongqing University","country":{"code":"CN","name":"China"}}]}],"first_online_date":null,"abstract":"Using the pinch technique, we determine the one-loop vertices of weak interactions in the B-LSSM and incorporate their pinch contributions into the gauge boson self-energies. Compared to the definitions of the $\\textit{S}$, $\\textit{T}$, and $\\textit{U}$ parameters in the Standard Model based on the $S U(2)_L \\otimes U(1)_Y$ group, the corresponding parameters in the local B-L gauge symmetry (B-LSSM) are modified. We present these redefined $\\textit{S}$, $\\textit{T}$, and $\\textit{U}$ parameters and demonstrate the convergence of the results. In the framework of the low-energy effective Lagrangian for weak interactions, the $\\textit{S}$, $\\textit{T}$, and $\\textit{U}$ parameters can be expressed as functions of specific parameters in the B-LSSM. The updated experimental and fitting results strongly constrain the parameter space of the B-LSSM.","id":8606,"title":"$\\textit{S}$, $\\textit{T}$, $\\textit{U}$ parameters in the B-LSSM * Supported by the Natural Science Foundation of Guangxi Autonomous Region (2022GXNSFDA035068), the Natural Science Foundation of Hebei Province (A2022104001), and the Foundation of Baoding University (2023Z01)","related_materials":[]},{"related_files":[{"file":"https://scoap3-dev-backend.s3.cern.ch/media/harvested_files/10.1088/1674-1137/ae551e/cpc_50_6_063104.pdf","created":"2026-04-30T18:26:23.586650+00:00","updated":"2026-04-30T18:26:23.586662+00:00"},{"file":"https://scoap3-dev-backend.s3.cern.ch/media/harvested_files/10.1088/1674-1137/ae551e/cpc_50_6_063104.xml","created":"2026-04-30T18:26:23.590108+00:00","updated":"2026-04-30T18:26:23.590117+00:00"}],"related_licenses":[{"url":"http://creativecommons.org/licenses/by/3.0/","name":"CC-BY-3.0"}],"publication_date":"2026-06-01","_updated_at":"2026-04-30T18:26:23.691846+00:00","publication_info":[{"journal_volume":"50","journal_issue":"6","journal_title":"Chinese Physics C","material":"article","page_start":"","page_end":"","artid":"063104","volume_year":"2026","journal_issue_date":null,"publisher":"IOP"}],"article_arxiv_category":[{"category":"hep-ph","primary":true},{"category":"nucl-th","primary":false}],"copyright":[{"statement":"© 2026 Chinese Physical Society and the Institute of High Energy Physics of the Chinese Academy of Sciences and the Institute of Modern Physics of the Chinese Academy of Sciences and IOP Publishing Ltd","year":2026,"holder":""}],"subtitle":"","doi":"10.1088/1674-1137/ae551e","countries":["CN"],"article_identifiers":[{"identifier_type":"DOI","identifier_value":"10.1088/1674-1137/ae551e"},{"identifier_type":"arXiv","identifier_value":"2601.03692"}],"reception_date":null,"acceptance_date":null,"_created_at":"2026-04-30T18:26:16.599944","authors":[{"first_name":"Xing-Yi","last_name":"Ji","name":"Xing-Yi Ji","affiliations":[{"value":"School of Physics, Zhengzhou University, China","organization":"School of Physics, Zhengzhou University","country":{"code":"CN","name":"China"}},{"value":"State Key Laboratory of Heavy Ion Science and Technology, Institute of Modern Physics, Chinese Academy of Sciences, China","organization":"State Key Laboratory of Heavy Ion Science and Technology, Institute of Modern Physics, Chinese Academy of Sciences","country":{"code":"CN","name":"China"}}]},{"first_name":"Si-Wei","last_name":"Liu","name":"Si-Wei Liu","affiliations":[{"value":"State Key Laboratory of Heavy Ion Science and Technology, Institute of Modern Physics, Chinese Academy of Sciences, China","organization":"State Key Laboratory of Heavy Ion Science and Technology, Institute of Modern Physics, Chinese Academy of Sciences","country":{"code":"CN","name":"China"}},{"value":"School of Nuclear Sciences and Technology, University of Chinese Academy of Sciences, China","organization":"School of Nuclear Sciences and Technology, University of Chinese Academy of Sciences","country":{"code":"CN","name":"China"}}]},{"first_name":"Wen-Tao","last_name":"Lyu","name":"Wen-Tao Lyu","affiliations":[{"value":"School of Physics, Zhengzhou University, China","organization":"School of Physics, Zhengzhou University","country":{"code":"CN","name":"China"}}]},{"first_name":"De-Min","last_name":"Li","name":"De-Min Li","affiliations":[{"value":"School of Physics, Zhengzhou University, China","organization":"School of Physics, Zhengzhou University","country":{"code":"CN","name":"China"}}]},{"first_name":"En","last_name":"Wang","name":"En Wang","affiliations":[{"value":"School of Physics, Zhengzhou University, China","organization":"School of Physics, Zhengzhou University","country":{"code":"CN","name":"China"}}]},{"first_name":"Ju-Jun","last_name":"Xie","name":"Ju-Jun Xie","affiliations":[{"value":"State Key Laboratory of Heavy Ion Science and Technology, Institute of Modern Physics, Chinese Academy of Sciences, China","organization":"State Key Laboratory of Heavy Ion Science and Technology, Institute of Modern Physics, Chinese Academy of Sciences","country":{"code":"CN","name":"China"}},{"value":"School of Nuclear Sciences and Technology, University of Chinese Academy of Sciences, China","organization":"School of Nuclear Sciences and Technology, University of Chinese Academy of Sciences","country":{"code":"CN","name":"China"}},{"value":"Southern Center for Nuclear-Science Theory (SCNT), Institute of Modern Physics, Chinese Academy of Sciences, China","organization":"Southern Center for Nuclear-Science Theory (SCNT), Institute of Modern Physics, Chinese Academy of Sciences","country":{"code":"CN","name":"China"}}]}],"first_online_date":null,"abstract":"The processes of $ K^-p \\to \\pi^0 \\pi^0 \\Sigma^0 $ and $ K^- p \\to \\pi^0 \\Lambda(1405) $ are studied within the effective Lagrangian approach. In addition to the “background” contribution from the $\\textit{u}$-channel nucleon pole term, the contribution from the $ \\Sigma(1660) $ resonance with spin-parity $ J^P=1/2^+ $ is also considered. For the $ K^-p \\to \\pi^0 \\pi^0 \\Sigma^0 $ reaction, we perform a calculation for the total and differential cross sections by considering the contribution from the $ \\Sigma(1660) $ intermediate resonance decaying into $ \\pi^0 \\Lambda(1405) $ with $ \\Lambda(1405) $ decaying into $ \\pi^0 \\Sigma^0 $ . With our model parameters, the available experimental data on both the $ K^-p \\to \\pi^0 \\pi^0 \\Sigma^0 $ and $ K^- p \\to \\pi^0 \\Lambda(1405) $ reactions can be fairly well reproduced. It is shown that the contribution from the $ \\Sigma(1660) $ resonance is necessary, and that these experimental measurements could be used to determine some properties of the $ \\Sigma(1660) $ resonance.","id":7864,"title":"Role of Σ(1660) in the $\\textit{K}$ $^{−}$ $\\textit{p}$ → $\\textit{π}$ $^{0}$ $\\textit{π}$ $^{0}$Σ$^{0}$ reaction * Supported by the National Key R&D Program of China (2023YFA1606703, 2024YFE0105200), the National Natural Science Foundation of China (12435007, 12475086, 12192263, 12361141819, 1252200936), the Natural Science Foundation of Henan (232300421140, 252300423951) and the Zhengzhou University Young Student Basic Research Projects (PhD students) (ZDBJ202522)","related_materials":[]},{"related_files":[{"file":"https://scoap3-dev-backend.s3.cern.ch/media/harvested_files/10.1088/1674-1137/ae4a08/cpc_50_6_063101.pdf","created":"2026-04-30T18:26:23.407726+00:00","updated":"2026-04-30T18:26:23.407738+00:00"},{"file":"https://scoap3-dev-backend.s3.cern.ch/media/harvested_files/10.1088/1674-1137/ae4a08/cpc_50_6_063101.xml","created":"2026-04-30T18:26:23.411213+00:00","updated":"2026-04-30T18:26:23.411223+00:00"}],"related_licenses":[{"url":"http://creativecommons.org/licenses/by/3.0/","name":"CC-BY-3.0"}],"publication_date":"2026-06-01","_updated_at":"2026-04-30T18:26:23.541881+00:00","publication_info":[{"journal_volume":"50","journal_issue":"6","journal_title":"Chinese Physics C","material":"article","page_start":"","page_end":"","artid":"063101","volume_year":"2026","journal_issue_date":null,"publisher":"IOP"}],"article_arxiv_category":[],"copyright":[{"statement":"© 2026 Chinese Physical Society and the Institute of High Energy Physics of the Chinese Academy of Sciences and the Institute of Modern Physics of the Chinese Academy of Sciences and IOP Publishing Ltd","year":2026,"holder":""}],"subtitle":"","doi":"10.1088/1674-1137/ae4a08","countries":["CN"],"article_identifiers":[{"identifier_type":"DOI","identifier_value":"10.1088/1674-1137/ae4a08"}],"reception_date":null,"acceptance_date":null,"_created_at":"2026-04-30T18:26:15.846299","authors":[{"first_name":"Yuxuan","last_name":"He","name":"Yuxuan He","affiliations":[{"value":"School of Physics and State Key Laboratory of Nuclear Physics and Technology, Peking University, China","organization":"School of Physics and State Key Laboratory of Nuclear Physics and Technology, Peking University","country":{"code":"CN","name":"China"}},{"value":"Department of Physics, City University of Hong Kong, Kowloon, China","organization":"Department of Physics, City University of Hong Kong, Kowloon","country":{"code":"CN","name":"China"}}]},{"first_name":"Gang","last_name":"Li","name":"Gang Li","affiliations":[{"value":"School of Physics and Astronomy, Sun Yat-sen University, China","organization":"School of Physics and Astronomy, Sun Yat-sen University","country":{"code":"CN","name":"China"}}]},{"first_name":"Jia","last_name":"Liu","name":"Jia Liu","affiliations":[{"value":"School of Physics and State Key Laboratory of Nuclear Physics and Technology, Peking University, China","organization":"School of Physics and State Key Laboratory of Nuclear Physics and Technology, Peking University","country":{"code":"CN","name":"China"}},{"value":"Center for High Energy Physics, Peking University, China","organization":"Center for High Energy Physics, Peking University","country":{"code":"CN","name":"China"}}]},{"first_name":"Xiao-Ping","last_name":"Wang","name":"Xiao-Ping Wang","affiliations":[{"value":"School of Physics, Beihang University, China","organization":"School of Physics, Beihang University","country":{"code":"CN","name":"China"}},{"value":"Beijing Key Laboratory of Advanced Nuclear Materials and Physics, Beihang University, China","organization":"Beijing Key Laboratory of Advanced Nuclear Materials and Physics, Beihang University","country":{"code":"CN","name":"China"}}]},{"first_name":"Xiang","last_name":"Zhao","name":"Xiang Zhao","affiliations":[{"value":"School of Physics and Astronomy, Sun Yat-sen University, China","organization":"School of Physics and Astronomy, Sun Yat-sen University","country":{"code":"CN","name":"China"}}]}],"first_online_date":null,"abstract":"This study investigates the ultraviolet realization of semileptonic four-fermion operator $ O_{ledq}^{\\alpha \\beta 11} $ that incorporates Majorana dark matter (DM) in both lepton-flavor-conserving (LFC) and lepton-flavor-violating (LFV) scenarios at the one-loop level via box diagram, thereby effectively alleviating the lower bounds on the new physics scale. In addition, we investigate the interplay between model-independent constraints on the Wilson coefficients and DM direct detection, relic density, and collider searches in the context of fermion portal DM model with two mediators. We found that both the projected future constraint on the LFC Wilson coefficient $ C_{ledq}^{2211}/\\Lambda^2 \\lt $ $ (12.3\\; \\text{TeV})^{-2} $ from the measurements of neutrino non-standard interaction in the next-generation neutrino oscillation experiments, and the LFV constraint $ C_{ledq}^{1211}/\\Lambda^2 \\lt \\left(2.2\\times 10^3\\; \\text{TeV} \\right)^{-2} $ from ongoing charged-lepton-flavor-violation searches, provide a complementary exploration of the parameter space encompassing the DM and scalar masses. With a colored mediator mass of approximately $ 2\\; \\text{TeV} $ , the sensitivity of the indirect constraints on the four-fermion operator can surpass those of collider searches and DM direct detection, in scenarios where the masses of the DM and scalar are close. By ensuring the correct DM relic density, however, we find that the collider searches and DM direct detection are more sensitive to the electroweak-scale DM and scalar than indirect constraints.","id":7863,"title":"Lepton flavor of four-fermion operator and fermion portal dark matter * Gang Li and Xiang Zhao are supported by the National Natural Science Foundation of China (12347105, 12505127), the Guangdong Basic and Applied Basic Research Foundation (2024A1515012668). The work of Jia Liu is supported by the National Science Foundation of China (12235001, 12475103) and State Key Laboratory of Nuclear Physics and Technology (NPT2025ZX11). The work of Xiao-Ping Wang is supported by National Science Foundation of China (12375095) and the Fundamental Research Funds for the Central Universities","related_materials":[]},{"related_files":[{"file":"https://scoap3-dev-backend.s3.cern.ch/media/harvested_files/10.1088/1674-1137/ae4a0c/cpc_50_6_063002.pdf","created":"2026-04-30T18:26:22.807870+00:00","updated":"2026-04-30T18:26:22.807882+00:00"},{"file":"https://scoap3-dev-backend.s3.cern.ch/media/harvested_files/10.1088/1674-1137/ae4a0c/cpc_50_6_063002.xml","created":"2026-04-30T18:26:22.811848+00:00","updated":"2026-04-30T18:26:22.811858+00:00"}],"related_licenses":[{"url":"http://creativecommons.org/licenses/by/3.0/","name":"CC-BY-3.0"}],"publication_date":"2026-06-01","_updated_at":"2026-04-30T18:26:22.873204+00:00","publication_info":[{"journal_volume":"50","journal_issue":"6","journal_title":"Chinese Physics C","material":"article","page_start":"","page_end":"","artid":"063002","volume_year":"2026","journal_issue_date":null,"publisher":"IOP"}],"article_arxiv_category":[],"copyright":[{"statement":"© 2026 Chinese Physical Society and the Institute of High Energy Physics of the Chinese Academy of Sciences and the Institute of Modern Physics of the Chinese Academy of Sciences and IOP Publishing Ltd","year":2026,"holder":""}],"subtitle":"","doi":"10.1088/1674-1137/ae4a0c","countries":["CN"],"article_identifiers":[{"identifier_type":"DOI","identifier_value":"10.1088/1674-1137/ae4a0c"}],"reception_date":null,"acceptance_date":null,"_created_at":"2026-04-30T18:26:16.190928","authors":[{"first_name":"Zhi","last_name":"Gao","name":"Zhi Gao","affiliations":[{"value":"Nankai University, China","organization":"Nankai University","country":{"code":"CN","name":"China"}}]},{"first_name":"Rong-Gang","last_name":"Ping","name":"Rong-Gang Ping","affiliations":[{"value":"Institute of High Energy Physics, Chinese Academy of Sciences, China","organization":"Institute of High Energy Physics, Chinese Academy of Sciences","country":{"code":"CN","name":"China"}},{"value":"University of Chinese Academy of Sciences, China","organization":"University of Chinese Academy of Sciences","country":{"code":"CN","name":"China"}}]},{"first_name":"Minggang","last_name":"Zhao","name":"Minggang Zhao","affiliations":[{"value":"Nankai University, China","organization":"Nankai University","country":{"code":"CN","name":"China"}}]}],"first_online_date":null,"abstract":"We have performed an updated analysis of the angular distribution of the $ \\psi(3686) \\to p\\bar{p} $ decay by considering transverse beam polarization to investigate potential sources of forward-backward asymmetry and azimuthal modulation beyond the simple $ 1+\\alpha\\cos^2\\theta $ form. We focus on the interference between the $ \\psi(3686) $ resonance and two-photon exchange continuum process, as well as on the background from initial-state–final-state radiation (ISR–FSR) interference. A maximum-likelihood fit to the $ \\cos\\theta $ distribution of $ \\psi(3686)\\to p\\bar{p} $ yields $ \\alpha = 1.00 \\pm 0.03 $ , which is consistent with previous results. Our model predicts a significant $ \\sin(2\\phi) $ modulation in the azimuthal angle, indicating the influence of transverse beam polarization. Based on these findings, two-dimensional angular analyses can be conducted in the future to fully disentangle the polarization and interference dynamics in charmonium decays to baryon pairs.","id":7862,"title":"Update analysis of $ {\\psi(3686)\\to p\\bar{p}}$ * The work is partly supported by the National Natural Science Foundation of China(NSFC) (12575112)","related_materials":[]},{"related_files":[{"file":"https://scoap3-dev-backend.s3.cern.ch/media/harvested_files/10.1088/1674-1137/ae4baa/cpc_50_6_063105.pdf","created":"2026-04-30T18:26:21.968690+00:00","updated":"2026-04-30T18:26:21.968701+00:00"},{"file":"https://scoap3-dev-backend.s3.cern.ch/media/harvested_files/10.1088/1674-1137/ae4baa/cpc_50_6_063105.xml","created":"2026-04-30T18:26:22.007245+00:00","updated":"2026-04-30T18:26:22.007257+00:00"}],"related_licenses":[{"url":"http://creativecommons.org/licenses/by/3.0/","name":"CC-BY-3.0"}],"publication_date":"2026-06-01","_updated_at":"2026-04-30T18:26:22.240251+00:00","publication_info":[{"journal_volume":"50","journal_issue":"6","journal_title":"Chinese Physics C","material":"article","page_start":"","page_end":"","artid":"063105","volume_year":"2026","journal_issue_date":null,"publisher":"IOP"}],"article_arxiv_category":[{"category":"hep-ph","primary":true}],"copyright":[{"statement":"© 2026 Chinese Physical Society and the Institute of High Energy Physics of the Chinese Academy of Sciences and the Institute of Modern Physics of the Chinese Academy of Sciences and IOP Publishing Ltd","year":2026,"holder":""}],"subtitle":"","doi":"10.1088/1674-1137/ae4baa","countries":["CN"],"article_identifiers":[{"identifier_type":"DOI","identifier_value":"10.1088/1674-1137/ae4baa"},{"identifier_type":"arXiv","identifier_value":"2601.04927"}],"reception_date":null,"acceptance_date":null,"_created_at":"2026-04-30T18:26:15.854958","authors":[{"first_name":"Wei-Yang","last_name":"Lai","name":"Wei-Yang Lai","affiliations":[{"value":"Zhejiang Institute of Modern Physics, School of Physics, Zhejiang University, China","organization":"Zhejiang Institute of Modern Physics, School of Physics, Zhejiang University","country":{"code":"CN","name":"China"}}]},{"first_name":"Hong-Ying","last_name":"Jin","name":"Hong-Ying Jin","affiliations":[{"value":"Zhejiang Institute of Modern Physics, School of Physics, Zhejiang University, China","organization":"Zhejiang Institute of Modern Physics, School of Physics, Zhejiang University","country":{"code":"CN","name":"China"}}]}],"first_online_date":null,"abstract":"We have performed a next-to-leading-order (NLO) QCD sum rules analysis of the $1^{-+}$ light tetraquark states. By investigating various compact and molecular tetraquark currents, we extracted the mass spectra of the corresponding states, all of which lie above $1.7\\,\\text{GeV}$ . We have identified multiple $1^{-+}$ states around $2.0\\,\\text{GeV}$ matching well with $\\pi_{1}(2015)$ , confirming that $\\pi_{1}(2015)$ is an excellent tetraquark candidate. By contrast, our calculations exclude the possibility that the $\\pi_{1}(1400)$ is a tetraquark or hybrid–tetraquark mixture. This result suggests that it may not exist, which is consistent with recent experimental results.","id":7861,"title":"NLO QCD sum rules analysis of 1$^{− +}$ tetraquark states","related_materials":[]},{"related_files":[{"file":"https://scoap3-dev-backend.s3.cern.ch/media/harvested_files/10.1140/epjc/s10052-026-15831-9/10052_2026_Article_15831.xml.Meta.xml","created":"2026-05-25T12:55:32.438958+00:00","updated":"2026-05-25T12:55:32.438970+00:00"},{"file":"https://scoap3-dev-backend.s3.cern.ch/media/harvested_files/10.1140/epjc/s10052-026-15831-9/10052_2026_Article_15831_a.pdf","created":"2026-05-25T12:55:32.443619+00:00","updated":"2026-05-25T12:55:32.443632+00:00"}],"related_licenses":[{"url":"http://creativecommons.org/licenses/by/4.0/","name":"CC-BY-4.0"}],"publication_date":"2026-05-25","_updated_at":"2026-05-25T12:55:32.481106+00:00","publication_info":[{"journal_volume":"86","journal_issue":"5","journal_title":"European Physical Journal C","material":"article","page_start":"1","page_end":"9","artid":"s10052-026-15831-9","volume_year":"2026","journal_issue_date":null,"publisher":"Springer"}],"article_arxiv_category":[],"copyright":[{"statement":"","year":2026,"holder":"The Author(s)"}],"subtitle":"","doi":"10.1140/epjc/s10052-026-15831-9","countries":["RU"],"article_identifiers":[{"identifier_type":"DOI","identifier_value":"10.1140/epjc/s10052-026-15831-9"}],"reception_date":null,"acceptance_date":null,"_created_at":"2026-05-25T12:55:26.763033","authors":[{"first_name":"S.","last_name":"Bolokhov","name":"S. Bolokhov","affiliations":[{"value":"RUDN University, 6 Miklukho-Maklaya St, Moscow, 117198, Russian Federation","organization":"RUDN University","country":{"code":"RU","name":"Russia"},"ror":"02dn9h927"}],"orcid":"0000-0002-9533-530X"}],"first_online_date":null,"abstract":"A number of recent papers have claimed to construct solutions of Einstein’s equations describing black holes surrounded by dark-matter halos with empirically motivated density profiles such as the Navarro–Frenk–White, Burkert, Einasto, pseudo-isothermal, and solitonic distributions. We show that the approach used to obtain many of these metrics generically does not lead to the correct solutions to the Einstein equations for the matter sources they purport to represent. This issue originates from applying the Newtonian relation between the tangential velocity and the enclosed mass directly within a relativistic framework, followed by the ad hoc assumption $$g(r)=f(r)$$ for the metric functions. This procedure leads to an anisotropic fluid with $$P_r=-\\rho $$ and $$P_t=-r\\rho '/2-\\rho $$ , whose density differs from the claimed halo profile and often becomes non-physical near the horizon, violating the weak energy condition. As a result, the obtained spacetimes do not describe black holes embedded in known galactic halos but rather distinct anisotropic configurations unrelated to the intended matter distribution. We demonstrate this problem on several representative examples from the literature, including metrics based on the NFW, Burkert, Einasto, solitonic, pseudo-isothermal, and Dehnen-(1,4,5/2) profiles, as well as the case of the NGC 4649 halo. For each case, the correct Einstein-consistent form of the metric and the associated physical interpretation are provided. Our analysis clarifies the limits of validity of the Newtonian approximation near compact objects and establishes a consistent framework for constructing dark-matter–inspired black-hole geometries within General Relativity.","id":89778,"title":"Revisiting black holes in dark-matter halos: on consistent solutions to the Einstein equations","related_materials":[]},{"related_files":[{"file":"https://scoap3-dev-backend.s3.cern.ch/media/harvested_files/10.1140/epjc/s10052-026-15782-1/10052_2026_Article_15782.xml.Meta.xml","created":"2026-05-25T06:55:20.034184+00:00","updated":"2026-05-25T06:55:20.034195+00:00"},{"file":"https://scoap3-dev-backend.s3.cern.ch/media/harvested_files/10.1140/epjc/s10052-026-15782-1/10052_2026_Article_15782_a.pdf","created":"2026-05-25T06:55:20.039897+00:00","updated":"2026-05-25T06:55:20.039910+00:00"}],"related_licenses":[{"url":"http://creativecommons.org/licenses/by/4.0/","name":"CC-BY-4.0"}],"publication_date":"2026-05-25","_updated_at":"2026-05-25T06:55:20.156731+00:00","publication_info":[{"journal_volume":"86","journal_issue":"5","journal_title":"European Physical Journal C","material":"article","page_start":"1","page_end":"10","artid":"s10052-026-15782-1","volume_year":"2026","journal_issue_date":null,"publisher":"Springer"}],"article_arxiv_category":[],"copyright":[{"statement":"","year":2026,"holder":"The Author(s)"}],"subtitle":"","doi":"10.1140/epjc/s10052-026-15782-1","countries":["FR"],"article_identifiers":[{"identifier_type":"DOI","identifier_value":"10.1140/epjc/s10052-026-15782-1"}],"reception_date":null,"acceptance_date":null,"_created_at":"2026-05-25T06:55:15.458802","authors":[{"first_name":"Edoardo","last_name":"Alviani","name":"Edoardo Alviani","affiliations":[{"value":"Université Paris-Saclay, CNRS/IN2P3, IJCLab, Orsay, 91405, France","organization":"Université Paris-Saclay, CNRS/IN2P3, IJCLab","country":{"code":"FR","name":"France"},"ror":"03gc1p724"}],"orcid":"0009-0008-7900-5256"},{"first_name":"Adam","last_name":"Falkowski","name":"Adam Falkowski","affiliations":[{"value":"Université Paris-Saclay, CNRS/IN2P3, IJCLab, Orsay, 91405, France","organization":"Université Paris-Saclay, CNRS/IN2P3, IJCLab","country":{"code":"FR","name":"France"},"ror":"03gc1p724"}],"orcid":"0000-0002-5297-761X"}],"first_online_date":null,"abstract":"We revisit gauge anomalies from the purely on-shell perspective. We argue that violation of anomaly cancellation conditions manifests as a breakdown of collinear factorization. We explicitly construct one-loop 5-point amplitudes with graviton exchange displaying singular behavior in collinear limits that cannot be reconciled with factorization theorems. In this approach, gravity serves as a universal probe of both abelian and non-abelian anomalies.","id":89774,"title":"Gauge anomalies on shell and collinear factorization","related_materials":[]},{"related_files":[{"file":"https://scoap3-dev-backend.s3.cern.ch/media/harvested_files/10.1140/epjc/s10052-026-15771-4/10052_2026_Article_15771.xml.Meta.xml","created":"2026-05-24T18:55:18.544881+00:00","updated":"2026-05-24T18:55:18.544891+00:00"},{"file":"https://scoap3-dev-backend.s3.cern.ch/media/harvested_files/10.1140/epjc/s10052-026-15771-4/10052_2026_Article_15771_a.pdf","created":"2026-05-24T18:55:18.548998+00:00","updated":"2026-05-24T18:55:18.549008+00:00"}],"related_licenses":[{"url":"http://creativecommons.org/licenses/by/4.0/","name":"CC-BY-4.0"}],"publication_date":"2026-05-24","_updated_at":"2026-05-24T18:55:18.615623+00:00","publication_info":[{"journal_volume":"86","journal_issue":"5","journal_title":"European Physical Journal C","material":"article","page_start":"1","page_end":"11","artid":"s10052-026-15771-4","volume_year":"2026","journal_issue_date":null,"publisher":"Springer"}],"article_arxiv_category":[{"category":"hep-th","primary":true},{"category":"gr-qc","primary":false}],"copyright":[{"statement":"","year":2026,"holder":"The Author(s)"}],"subtitle":"","doi":"10.1140/epjc/s10052-026-15771-4","countries":["CN"],"article_identifiers":[{"identifier_type":"DOI","identifier_value":"10.1140/epjc/s10052-026-15771-4"},{"identifier_type":"arXiv","identifier_value":"2512.14829"}],"reception_date":null,"acceptance_date":null,"_created_at":"2026-05-24T18:55:14.382614","authors":[{"first_name":"Qi-Yuan","last_name":"Mao","name":"Qi-Yuan Mao","affiliations":[{"value":"Center for Joint Quantum Studies, Department of Physics, School of Science, Tianjin University, Tianjin, 300350, China","organization":"Tianjin University","country":{"code":"CN","name":"China"},"ror":"012tb2g32"}],"orcid":"0009-0001-4364-7694"},{"first_name":"H.","last_name":"Lü","name":"H. Lü","affiliations":[{"value":"Center for Joint Quantum Studies, Department of Physics, School of Science, Tianjin University, Tianjin, 300350, China","organization":"Tianjin University","country":{"code":"CN","name":"China"},"ror":"012tb2g32"}],"orcid":"0000-0001-7100-2466"}],"first_online_date":null,"abstract":"We consider Einstein-Maxwell gravity in diverse dimensions and construct the small charge perturbation to the extremal rotating black holes with all equal angular momenta in odd $$D=2n+1$$ dimensions. Exact solutions exist at the next-to-leading order (NLO), and they are analytic, allowing us to obtain the charge corrections to thermodynamic quantities at this order. Irrational exponents in the near-horizon power-series expansion emerge at the next-to-next-to-leading order (NNLO). We show, by numerical computation, that these horizon geometries can indeed be integrated out to asymptotic Minkowski spacetime, thereby proving the existence of the unusual singular horizon behavior of the extremal charged rotating black holes.","id":89773,"title":"Odd-dimensional extremal rotating black holes with all equal angular momenta and small electric charges","related_materials":[]}]}