Observation of the Rare Decay of the Η Meson To Four Muons
| dc.contributor.author | Hayrapetyan, A. | |
| dc.contributor.author | Tumasyan, A. | |
| dc.contributor.author | Adam, W. | |
| dc.contributor.author | Andrejkovic, J.W. | |
| dc.contributor.author | Bergauer, T. | |
| dc.contributor.author | Chatterjee, S. | |
| dc.contributor.author | Damanakis, K. | |
| dc.contributor.author | Gürpınar Güler, Emine | |
| dc.contributor.author | Güler, Yalçın | |
| dc.date.accessioned | 2023-12-09T06:55:15Z | |
| dc.date.available | 2023-12-09T06:55:15Z | |
| dc.date.issued | 2023 | |
| dc.description.abstract | A search for the rare Formula Presented double-Dalitz decay is performed using a sample of proton-proton collisions, collected by the CMS experiment at the CERN LHC with high-rate muon triggers during 2017 and 2018 and corresponding to an integrated luminosity of Formula Presented. A signal having a statistical significance well in excess of 5 standard deviations is observed. Using the Formula Presented decay as normalization, the branching fraction Formula Presented is measured, where the last term is the uncertainty in the normalization channel branching fraction. This work achieves an improved precision of over 5 orders of magnitude compared to previous results, leading to the first measurement of this branching fraction, which is found to agree with theoretical predictions. © 2023 CERN, for the CMS Collaboration. | en_US |
| dc.description.sponsorship | National Science Foundation, NSF; U.S. Department of Energy, USDOE; Hispanics in Philanthropy, HIP; Maryland Ornithological Society, MOS; Secretaría de Educación Pública, SEP; Louisiana Academy of Sciences, LAS; CERN; Cosmetic Surgery Foundation, CSF; Ministerio de Ciencia, Tecnología e Innovación; Science and Technology Facilities Council, STFC; Department of Science and Technology, Ministry of Science and Technology, India, DST; Ministry of Education - Singapore, MOE; Department of Atomic Energy, Government of India, DAE; Science Foundation Ireland, SFI; Helmholtz-Gemeinschaft, HGF; Deutsche Forschungsgemeinschaft, DFG; Fundação de Amparo à Pesquisa do Estado de São Paulo, FAPESP; National Natural Science Foundation of China, NSFC; National Science Council, NSC; Fundação para a Ciência e a Tecnologia, FCT; Coordenação de Aperfeiçoamento de Pessoal de Nível Superior, CAPES; Academy of Finland, AKA; Bundesministerium für Bildung und Forschung, BMBF; Chinese Academy of Sciences, CAS; Austrian Science Fund, FWF; Fonds De La Recherche Scientifique - FNRS, FNRS; Ministry of Science and Technology of the People's Republic of China, MOST; Fonds Wetenschappelijk Onderzoek, FWO; Consejo Nacional de Ciencia y Tecnología, CONACYT; Ministerio de Educación, Cultura y Deporte, MECD; Bulgarian National Science Fund, BNSF; Ministry of Business, Innovation and Employment, MBIE; Conselho Nacional de Desenvolvimento Científico e Tecnológico, CNPq; Ministry of Science, ICT and Future Planning, MSIP; National Research Foundation of Korea, NRF; Instituto Nazionale di Fisica Nucleare, INFN; Fundação de Amparo à Pesquisa do Estado do Rio Grande do Sul, FAPERGS; Secretaría de Educación Superior, Ciencia, Tecnología e Innovación, SENESCYT; Universiti Malaya, UM; Fundação Carlos Chagas Filho de Amparo à Pesquisa do Estado do Rio de Janeiro, FAPERJ; National Academy of Sciences of Ukraine, NASU; Centre National de la Recherche Scientifique, CNRS; Universidad Autónoma de San Luis Potosí, UASLP; Ministry of Education and Science, MES; Institute for Research in Fundamental Sciences, IPM; Benemérita Universidad Autónoma de Puebla, BUAP; Commissariat à l'Énergie Atomique et aux Énergies Alternatives, CEA; European Regional Development Fund, ERDF; Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional, CINVESTAV; Pakistan Atomic Energy Commission, PAEC; Bundesministerium für Bildung, Wissenschaft, Forschung und Technologie, BMBWF; Nemzeti Kutatási Fejlesztési és Innovációs Hivatal, NKFI; Institut National de Physique Nucléaire et de Physique des Particules, IN2P3; Laboratorio Nacional de Supercómputo del Sureste de Mexico, LNS | en_US |
| dc.description.sponsorship | We congratulate our colleagues in the CERN accelerator departments for the excellent performance of the LHC and thank the technical and administrative staffs at CERN and at other CMS institutes for their contributions to the success of the CMS effort. In addition, we gratefully acknowledge the computing centers and personnel of the Worldwide LHC Computing Grid and other centers for delivering, so effectively, the computing infrastructure essential to our analyses. Finally, we acknowledge the enduring support for the construction and operation of the LHC, the CMS detector, and the supporting computing infrastructure provided by the following funding agencies: BMBWF and FWF (Austria); FNRS and FWO (Belgium); CNPq, CAPES, FAPERJ, FAPERGS, and FAPESP (Brazil); MES and BNSF (Bulgaria); CERN; CAS, MoST, and NSFC (China); MINCIENCIAS (Colombia); MSES and CSF (Croatia); RIF (Cyprus); SENESCYT (Ecuador); MoER, ERC PUT, and ERDF (Estonia); Academy of Finland, MEC, and HIP (Finland); CEA and CNRS/IN2P3 (France); BMBF, DFG, and HGF (Germany); GSRI (Greece); NKFIH (Hungary); DAE and DST (India); IPM (Iran); SFI (Ireland); INFN (Italy); MSIP and NRF (Republic of Korea); MES (Latvia); LAS (Lithuania); MOE and UM (Malaysia); BUAP, CINVESTAV, CONACYT, LNS, SEP, and UASLP-FAI (Mexico); MOS (Montenegro); MBIE (New Zealand); PAEC (Pakistan); MES and NSC (Poland); FCT (Portugal); ENMAK (Turkey); NASU (Ukraine); STFC (United Kingdom); DOE and NSF (USA). | en_US |
| dc.identifier.doi | 10.1103/PhysRevLett.131.091903 | |
| dc.identifier.issn | 0031-9007 | |
| dc.identifier.issn | 1079-7114 | |
| dc.identifier.scopus | 2-s2.0-85171697132 | |
| dc.identifier.uri | https://doi.org/10.1103/PhysRevLett.131.091903 | |
| dc.identifier.uri | https://hdl.handle.net/20.500.13091/4856 | |
| dc.language.iso | en | en_US |
| dc.publisher | American Physical Society | en_US |
| dc.relation.ispartof | Physical Review Letters | en_US |
| dc.rights | info:eu-repo/semantics/openAccess | en_US |
| dc.subject | Branching fractions | en_US |
| dc.subject | High rate | en_US |
| dc.subject | Integrated luminosity | en_US |
| dc.subject | Muon trigger | en_US |
| dc.subject | Normalisation | en_US |
| dc.subject | Proton proton collisions | en_US |
| dc.subject | Rare decays | en_US |
| dc.subject | Standard deviation | en_US |
| dc.subject | Statistical significance | en_US |
| dc.subject | η Mesons | en_US |
| dc.subject | Charged particles | en_US |
| dc.subject | article | en_US |
| dc.subject | meson | en_US |
| dc.subject | prediction | en_US |
| dc.title | Observation of the Rare Decay of the Η Meson To Four Muons | en_US |
| dc.type | Article | en_US |
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| gdc.description.departmenttemp | Hayrapetyan, A., Yerevan Physics Institute, Yerevan, Armenia; Tumasyan, A., Yerevan Physics Institute, Yerevan, Armenia, Yerevan State University, Yerevan, Armenia; Adam, W., Institut für Hochenergiephysik, Vienna, Austria; Andrejkovic, J.W., Institut für Hochenergiephysik, Vienna, Austria; Bergauer, T., Institut für Hochenergiephysik, Vienna, Austria; Chatterjee, S., Institut für Hochenergiephysik, Vienna, Austria, Indian Institute of Technology Madras, Madras, India; Damanakis, K., Institut für Hochenergiephysik, Vienna, Austria; Dragicevic, M., Institut für Hochenergiephysik, Vienna, Austria; Escalante Del Valle, A., Institut für Hochenergiephysik, Vienna, Austria; Hussain, P.S., Institut für Hochenergiephysik, Vienna, Austria; Jeitler, M., Institut für Hochenergiephysik, Vienna, Austria, TU Wien, Vienna, Austria; Krammer, N., Institut für Hochenergiephysik, Vienna, Austria; Liko, D., Institut für Hochenergiephysik, Vienna, Austria; Mikulec, I., Institut für Hochenergiephysik, Vienna, Austria; Schieck, J., Institut für Hochenergiephysik, Vienna, Austria, TU Wien, Vienna, Austria; Schöfbeck, R., Institut für Hochenergiephysik, Vienna, Austria; Schwarz, D., Institut für Hochenergiephysik, Vienna, Austria; Sonawane, M., Institut fü | en_US |
| gdc.description.issue | 9 | en_US |
| gdc.description.publicationcategory | Makale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı | en_US |
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| gdc.oaire.keywords | p p: scattering | |
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