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Search for Higgs boson decays into Z and J/ψ and for Higgs and Z boson decays into J/ψ or Y pairs in pp collisions at s=13 TeV

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Decays of the Higgs boson into a [Formula presented] boson and a [Formula presented] or [Formula presented] meson are searched for in four-lepton final states with the CMS detector at the LHC. A data set of proton-proton collisions corresponding to an integrated luminosity of 138fb−1 is used. Using the same data set, decays of the Higgs and [Formula presented] boson into quarkonium pairs are also searched for. An observation of such decays with this sample would indicate the presence of physics beyond the standard model. No evidence for these decays has been observed and upper limits at the 95% confidence level are placed on the corresponding branching fractions (B). Assuming longitudinal polarization of the Higgs boson decay products, 95% confidence level observed upper limits for [Formula presented] and [Formula presented] are 1.9×10−3 and 6.6×10−3, respectively. © 2022 The Author(s)

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CMSHiggs bosonRare decaysStandard model physicsZ boson
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AlanDeğerDil
dc.contributor.authorTumasyan, A.
dc.contributor.authorAdam, W.
dc.contributor.authorAndrejkovic, J.W.
dc.contributor.authorBergauer, T.
dc.contributor.authorChatterjee, S.
dc.contributor.authorDamanakis, K.
dc.contributor.authorDragicevic, M.
dc.contributor.authorEscalante Del Valle, A.
dc.contributor.authorFrühwirth, R.
dc.contributor.authorJeitler, M.
dc.contributor.authorKrammer, N.
dc.contributor.authorLechner, L.
dc.contributor.authorLiko, D.
dc.contributor.authorMikulec, I.
dc.contributor.authorPaulitsch, P.
dc.contributor.authorPitters, F.M.
dc.contributor.authorSchieck, J.
dc.contributor.authorSchöfbeck, R.
dc.contributor.authorSchwarz, D.
dc.contributor.authorTempl, S.
dc.contributor.authorWaltenberger, W.
dc.contributor.authorWulz, C.-E.
dc.contributor.authorDarwish, M.R.
dc.contributor.authorDe Wolf, E.A.
dc.contributor.authorJanssen, T.
dc.contributor.authorKello, T.
dc.contributor.authorLelek, A.
dc.contributor.authorRejeb Sfar, H.
dc.contributor.authorVan Mechelen, P.
dc.contributor.authorVan Putte, S.
dc.contributor.authorVan Remortel, N.
dc.contributor.authorBols, E.S.
dc.contributor.authorD'Hondt, J.
dc.contributor.authorDelcourt, M.
dc.contributor.authorEl Faham, H.
dc.contributor.authorLowette, S.
dc.contributor.authorMoortgat, S.
dc.contributor.authorMorton, A.
dc.contributor.authorMüller, D.
dc.contributor.authorSahasransu, A.R.
dc.contributor.authorTavernier, S.
dc.contributor.authorVan Doninck, W.
dc.contributor.authorVannerom, D.
dc.contributor.authorBeghin, D.
dc.contributor.authorBilin, B.
dc.contributor.authorClerbaux, B.
dc.contributor.authorDe Lentdecker, G.
dc.contributor.authorFavart, L.
dc.contributor.authorKalsi, A.K.
dc.contributor.authorLee, K.
dc.date.accessioned2026-10-18T20:27:23.190341086Z
dc.date.available2026-10-18T20:27:23.190341086Z
dc.date.issued2023
dc.description.abstractDecays of the Higgs boson into a [Formula presented] boson and a [Formula presented] or [Formula presented] meson are searched for in four-lepton final states with the CMS detector at the LHC. A data set of proton-proton collisions corresponding to an integrated luminosity of 138fb−1 is used. Using the same data set, decays of the Higgs and [Formula presented] boson into quarkonium pairs are also searched for. An observation of such decays with this sample would indicate the presence of physics beyond the standard model. No evidence for these decays has been observed and upper limits at the 95% confidence level are placed on the corresponding branching fractions (B). Assuming longitudinal polarization of the Higgs boson decay products, 95% confidence level observed upper limits for [Formula presented] and [Formula presented] are 1.9×10−3 and 6.6×10−3, respectively. © 2022 The Author(s)
dc.description.sponsorshipFunding text 1: Individuals have received support from the Marie-Curie program and the European Research Council and Horizon 2020 Grant, contract Nos. 675440 , 724704 , 752730 , 758316 , 765710 , 824093 , 884104 , and COST Action CA16108 (European Union); the Leventis Foundation ; the Alfred P. Sloan Foundation ; the Alexander von Humboldt Foundation ; the Belgian Federal Science Policy Office ; the Fonds pour la Formation \u00E0 la Recherche dans l'Industrie et dans l'Agriculture (FRIA-Belgium); the Agentschap voor Innovatie door Wetenschap en Technologie (IWT-Belgium); the F.R.S.-FNRS and FWO (Belgium) under the \u201CExcellence of Science \u2013 EOS\u201D \u2013 be.h project n. 30820817 ; the Beijing Municipal Science & Technology Commission , No. Z191100007219010 ; The Ministry of Education, Youth and Sports (MEYS) of the Czech Republic; the Hellenic Foundation for Research and Innovation (HFRI), Project Number 2288 (Greece); the Deutsche Forschungsgemeinschaft (DFG), under Germany's Excellence Strategy \u2013 EXC 2121 \u201CQuantum Universe\u201D \u2013 390833306 , and under project number 400140256 - GRK2497; the Hungarian Academy of Sciences , the New National Excellence Program - \u00DANKP , the NKFIH research grants K 124845 , K 124850 , K 128713 , K 128786 , K 129058 , K 131991 , K 133046 , K 138136 , K 143460 , K 143477 , 2020-2.2.1-ED-2021-00181 , and TKP2021-NKTA-64 (Hungary); the Council of Science and Industrial Research , India; the Latvian Council of Science ; the Ministry of Education and Science , project no. 2022/WK/14 , and the National Science Center , contracts Opus 2021/41/B/ST2/01369 and 2021/43/B/ST2/01552 (Poland); the Funda\u00E7\u00E3o para a Ci\u00EAncia e a Tecnologia , grant CEECIND/01334/2018 (Portugal); the National Priorities Research Program by Qatar National Research Fund ; MCIN/AEI/10.13039/501100011033, ERDF \u201Ca way of making Europe\u201D , and the Programa Estatal de Fomento de la Investigaci\u00F3n Cient\u00EDfica y T\u00E9cnica de Excelencia Mar\u00EDa de Maeztu , grant MDM-2017-0765 and Programa Severo Ochoa del Principado de Asturias (Spain); the Chulalongkorn Academic into Its 2nd Century Project Advancement Project , and the National Science, Research and Innovation Fund via the Program Management Unit for Human Resources & Institutional Development, Research and Innovation , grant B05F650021 (Thailand); the Kavli Foundation ; the Nvidia Corporation; the SuperMicro Corporation ; the Welch Foundation , contract C-1845 ; and the Weston Havens Foundation (USA).; Funding text 2: 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 analyse. 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); MESTD (Serbia); MCIN/AEI and PCTI (Spain); MoSTR (Sri Lanka); Swiss Funding Agencies (Switzerland); MST (Taipei); MHESI and NSTDA (Thailand); TUBITAK and TENMAK (Turkey); NASU (Ukraine); STFC (United Kingdom); DOE and NSF ( USA ).
dc.identifier.doi10.1016/j.physletb.2022.137534
dc.identifier.issn0370-2693
dc.identifier.scopus2-s2.0-85162841356
dc.identifier.startpage137534
dc.identifier.urihttps://rdlopen.rawdatalibrary.net/r/ebyu/12489
dc.identifier.volume842
dc.language.isoen
dc.publisherElsevier B.V.
dc.relation.ispartofPhysics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
dc.rightsinfo:eu-repo/semantics/openAccess
dc.subjectCMS
dc.subjectHiggs boson
dc.subjectRare decays
dc.subjectStandard model physics
dc.subjectZ boson
dc.titleSearch for Higgs boson decays into Z and J/ψ and for Higgs and Z boson decays into J/ψ or Y pairs in pp collisions at s=13 TeV
dc.typeArticle
dspace.entity.typePublication
rdl.citation.scopus19
rdl.oa.statusgold
rdl.source.indexSCOPUS