Name: Search for $$ {K}_S^0 $$ invisible decays
Keywords: Subatomär fysik, High Energy Physics - Experiment (hep-ex), e+-e- Experiments, Astronomi, astrofysik och kosmologi, Beyond Standard Model; Branching fraction; Dark Matter; e+-e− Experiments, Beyond Standard Model, Subatomic Physics, Dark Matter, Astronomy, Astrophysics and Cosmology, FOS: Physical sciences

descriptionPublicationkeyboard_double_arrow_right Article , Preprint 09 May 2025Embargo end date: 01 Jan 2025 English Publisher:Springer Science and Business Media LLCJournal:Journal of High Energy Physics, volume 2,025 (eissn: 1029-8479,

Authors: null, null; Ablikim, M.; Achasov, M. N.; Adlarson, P.; Afedulidis, O.; Ai, X. C.; Aliberti, R.; +193 Authors

null, null; Ablikim, M.; Achasov, M. N.; Adlarson, P.; Afedulidis, O.; Ai, X. C.; Aliberti, R.; Amoroso, A.; An, Q.; Bai, Y.; Bakina, O.; Balossino, I.; Ban, Y.; Bao, H. -R.; Batozskaya, V.; Begzsuren, K.; Berger, N.; Berlowski, M.; Bertani, M.; Bettoni, D.; Bianchi, F.; Bianco, E.; Bortone, A.; Boyko, I.; Briere, R. A.; Brueggemann, A.; Cai, H.; Cai, X.; Calcaterra, A.; Cao, G. F.; Cao, N.; Cetin, S. A.; Chai, X. Y.; Chang, J. F.; Che, G. R.; Che, Y. Z.; Chelkov, G.; Chen, C.; Chen, C. H.; Chen, Chao; Chen, G.; Chen, H. S.; Chen, H. Y.; Chen, M. L.; Chen, S. J.; Chen, S. L.; Chen, S. M.; Chen, T.; Chen, X. R.; Chen, X. T.; Chen, Y. B.; Chen, Y. Q.; Chen, Z. J.; Choi, S. K.; Cibinetto, G.; Cossio, F.; Cui, J. J.; Dai, H. L.; Dai, J. P.; Dbeyssi, A.; de Boer, R. E.; Dedovich, D.; Deng, C. Q.; Deng, Z. Y.; Denig, A.; Denysenko, I.; Destefanis, M.; De Mori, F.; Ding, B.; Ding, X. X.; Ding, Y.; Ding, Y.; Dong, J.; Dong, L. Y.; Dong, M. Y.; Dong, X.; Du, M. C.; Du, S. X.; Duan, Y. Y.; Duan, Z. H.; Egorov, P.; Fan, G. F.; Fan, J. J.; Fan, Y. H.; Fang, J.; Fang, J.; Fang, S. S.; Fang, W. X.; Fang, Y. Q.; Farinelli, R.; Fava, L.; Feldbauer, F.; Felici, G.; Feng, C. Q.; Feng, J. H.; Feng, Y. T.; Fritsch, M.; Fu, C. D.; Fu, J. L.; Fu, Y. W.; Gao, H.; Gao, X. B.; Gao, Y. N.; Gao, Y. N.; Gao, Yang; Garbolino, S.; Garzia, I.; Ge, P. T.; Ge, Z. W.; Geng, C.; Gersabeck, E. M.; Gilman, A.; Goetzen, K.; Gong, L.; Gong, W. X.; Gradl, W.; Gramigna, S.; Greco, M.; Gu, M. H.; Gu, Y. T.; Guan, C. Y.; Guo, A. Q.; Guo, L. B.; Guo, M. J.; Guo, R. P.; Guo, Y. P.; Guskov, A.; Gutierrez, J.; Han, K. L.; Han, T. T.; Hanisch, F.; Hao, X. Q.; Harris, F. A.; He, K. K.; He, K. L.; Heinsius, F. H.; Heinz, C. H.; Heng, Y. K.; Herold, C.; Holtmann, T.; Hong, P. C.; Hou, G. Y.; Hou, X. T.; Hou, Y. R.; Hou, Z. L.; Hu, B. Y.; Hu, H. M.; Hu, J. F.; Hu, Q. P.; Hu, S. L.; Hu, T.; Hu, Y.; Huang, G. S.; Huang, K. X.; Huang, L. Q.; Huang, P.; Huang, X. T.; Huang, Y. P.; Huang, Y. S.; Hussain, T.; Hölzken, F.; Hüsken, N.; in der Wiesche, N.; Jackson, J.; Janchiv, S.; Ji, Q.; Ji, Q. P.; Ji, W.; Ji, X. B.; Ji, X. L.; Ji, Y. Y.; Jia, X. Q.; Jia, Z. K.; Jiang, D.; Jiang, H. B.; Jiang, P. C.; Jiang, S. S.; Jiang, T. J.; Jiang, X. S.; Jiang, Y.; Jiao, J. B.; Jiao, J. K.; Jiao, Z.; Jin, S.; Jin, Y.; Jing, M. Q.; Jing, X. M.; Johansson, T.; Kabana, S.; Kalantar-Nayestanaki, N.; Kang, X. L.; Kang, X. S.; Kavatsyuk, M.; Ke, B. C.; Khachatryan, V.; Khoukaz, A.; Kiuchi, R.; Kolcu, O. B.; Kopf, B.; Kuessner, M.;

doi: 10.1007/jhep05(2025)092 , 10.15120/gsi-2025-01150 , 10.48550/arxiv.2501.06426

arXiv: 2501.06426

handle: 11370/7559bffa-673c-44a5-b53c-defbd7306593 , 11392/2600671

Search for $$ {K}_S^0 $$ invisible decays

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Abstract

Abstract Based on (1.0087 ± 0.0044) × 1010 J/ψ events collected with the BESIII detector at the BEPCII e + e − storage ring, we search for $$ {K}_S^0 $$ K S 0 invisible decays via the J/ψ → $$ \phi {K}_S^0{K}_S^0 $$ ϕ K S 0 K S 0 process. No significant signal is observed, and the upper limit of the branching fraction of these invisible decays is set at 8.4 × 10 −4 at the 90% confidence level. This is the first experimental search for $$ {K}_S^0 $$ K S 0 invisible decays.

Related Organizations

Johannes Gutenberg University of Mainz
Germany
University of Groningen
Netherlands
Chinese Academy of Sciences
China (People's Republic of)
Institute of Physics
Netherlands
University of Salford
United Kingdom

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Keywords

Subatomär fysik, High Energy Physics - Experiment (hep-ex), e+-e- Experiments, Astronomi, astrofysik och kosmologi, Beyond Standard Model; Branching fraction; Dark Matter; e+-e− Experiments, Beyond Standard Model, Subatomic Physics, Dark Matter, Astronomy, Astrophysics and Cosmology, FOS: Physical sciences, Branching fraction, 530, High Energy Physics - Experiment

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