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Observation of the (Formula presented) decay in proton-proton collisions at (Formula presented)

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The (Formula presented) decay has been observed with a statistical significance in excess of five standard deviations. The analysis is based on an event sample of proton-proton collisions at a center-of-mass energy of 13 TeV, collected by the CMS experiment in 2018 and corresponding to an integrated luminosity of (Formula presented). Normalizing to the (Formula presented) decay mode leads to a branching fraction of (Formula presented), a value that is consistent with the standard model prediction. © 2024 CERN, for the CMS Collaboration.

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dc.contributor.authorHayrapetyan, A.
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.authorHussain, P.S.
dc.contributor.authorJeitler, M.
dc.contributor.authorKrammer, N.
dc.contributor.authorLi, A.
dc.contributor.authorLiko, D.
dc.contributor.authorMikulec, I.
dc.contributor.authorSchieck, J.
dc.contributor.authorSchöfbeck, R.
dc.contributor.authorSchwarz, D.
dc.contributor.authorSonawane, M.
dc.contributor.authorTempl, S.
dc.contributor.authorWaltenberger, W.
dc.contributor.authorWulz, C.-E.
dc.contributor.authorDarwish, M.R.
dc.contributor.authorJanssen, T.
dc.contributor.authorVan Mechelen, P.
dc.contributor.authorBreugelmans, N.
dc.contributor.authorD’Hondt, J.
dc.contributor.authorDansana, S.
dc.contributor.authorDe Moor, A.
dc.contributor.authorDelcourt, M.
dc.contributor.authorHeyen, F.
dc.contributor.authorLowette, S.
dc.contributor.authorMakarenko, I.
dc.contributor.authorMüller, D.
dc.contributor.authorTavernier, S.
dc.contributor.authorTytgat, M.
dc.contributor.authorVan Onsem, G.P.
dc.contributor.authorVan Putte, S.
dc.contributor.authorVannerom, D.
dc.contributor.authorClerbaux, B.
dc.contributor.authorDas, A.K.
dc.contributor.authorDe Lentdecker, G.
dc.contributor.authorEvard, H.
dc.contributor.authorFavart, L.
dc.contributor.authorGianneios, P.
dc.contributor.authorHohov, D.
dc.contributor.authorJaramillo, J.
dc.contributor.authorKhalilzadeh, A.
dc.contributor.authorKhan, F.A.
dc.contributor.authorLee, K.
dc.contributor.authorMahdavikhorrami, M.
dc.date.accessioned2026-10-18T20:26:33.954588216Z
dc.date.available2026-10-18T20:26:33.954588216Z
dc.date.issued2024
dc.description.abstractThe (Formula presented) decay has been observed with a statistical significance in excess of five standard deviations. The analysis is based on an event sample of proton-proton collisions at a center-of-mass energy of 13 TeV, collected by the CMS experiment in 2018 and corresponding to an integrated luminosity of (Formula presented). Normalizing to the (Formula presented) decay mode leads to a branching fraction of (Formula presented), a value that is consistent with the standard model prediction. © 2024 CERN, for the CMS Collaboration.
dc.description.sponsorshipWe 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: SC (Armenia), BMBWF and FWF [grant DOI: 10.55776/P35891] (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); ERC PRG, RVTT3 and MoER TK202 (Estonia); Academy of Finland, MEC, and HIP (Finland); CEA and CNRS/IN2P3 (France); SRNSF (Georgia); 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); LMTLT (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.doi10.1103/physrevd.109.l111101
dc.identifier.issn2470-0010
dc.identifier.issue11
dc.identifier.scopus2-s2.0-85195858537
dc.identifier.startpageL111101
dc.identifier.urihttps://rdlopen.rawdatalibrary.net/r/ebyu/11526
dc.identifier.volume109
dc.language.isoen
dc.publisherAmerican Physical Society
dc.relation.ispartofPhysical Review D
dc.rightsinfo:eu-repo/semantics/openAccess
dc.titleObservation of the (Formula presented) decay in proton-proton collisions at (Formula presented)
dc.typeArticle
dspace.entity.typePublication
rdl.citation.scopus6
rdl.oa.statusgold
rdl.source.indexSCOPUS