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Measurement of the ?(1S), ?(2S), and ?(3S) Polarizations in pp Collisions at ?s 7 TeV

dc.contributor.authorChatrchyan, S.
dc.contributor.authorKhachatryan, V.
dc.contributor.authorSirunyan, A. M.
dc.contributor.authorTumasyan, A.
dc.contributor.authorAdam, W.
dc.contributor.authorAguilo, E.
dc.contributor.authorBergauer, T.
dc.date.accessioned2025-01-09T20:12:26Z
dc.date.available2025-01-09T20:12:26Z
dc.date.issued2013
dc.identifier.issn0031-9007
dc.identifier.issn1079-7114
dc.identifier.urihttps://doi.org/10.1103/PhysRevLett.110.081802
dc.identifier.urihttps://hdl.handle.net/20.500.14124/8628
dc.description.abstractThe polarizations of the Upsilon(1S), Upsilon(2S), and Upsilon(3S) mesons are measured in proton-proton collisions at root s = 7 TeV, using a data sample of Upsilon(nS) -> mu(+)mu(-) decays collected by the CMS experiment, corresponding to an integrated luminosity of 4.9 fb(-1). The dimuon decay angular distributions are analyzed in three different polarization frames. The polarization parameters lambda(theta), lambda(phi), and lambda(theta phi), as well as the frame-invariant quantity (lambda) over tilde, are presented as a function of the Upsilon(nS) transverse momentum between 10 and 50 GeV, in the rapidity ranges vertical bar y vertical bar < 0: 6 and 0: 6 < vertical bar y vertical bar < 1.2. No evidence of large transverse or longitudinal polarizations is seen in the explored kinematic region. DOI: 10.1103/PhysRevLett.110.081802en_US
dc.description.sponsorshipBMWF (Austria); FWF (Austria); FNRS (Belgium); FWO (Belgium); CNPq (Brazil); CAPES (Brazil); FAPERJ (Brazil); FAPESP (Brazil); MES (Bulgaria); CERN (China); CAS (China); MoST (China); NSFC (China); COLCIENCIAS (Colombia); MSES (Croatia); RPF (Cyprus); MoER (Estonia) [SF0690030s09]; ERDF (Estonia); Academy of Finland (Finland); MEC (Finland); HIP (Finland); CEA (France); CNRS/IN2P3 (France); BMBF (Germany); DFG (Germany); HGF (Germany); GSRT (Greece); OTKA (Hungary); NKTH (Hungary); DAE (India); DST (India); IPM (Iran); SFI (Ireland); INFN (Italy); NRF (Korea); WCU (Korea); LAS (Lithuania); CINVESTAV (Mexico); CONACYT (Mexico); SEP (Mexico); UASLP-FAI (Mexico); MSI (New Zealand); PAEC (Pakistan); MSHE (Poland); NSC (Poland); FCT (Portugal); JINR (Armenia); JINR (Belarus); JINR (Georgia); JINR (Ukraine); JINR (Uzbekistan); MON (Russia); RosAtom (Russia); RAS (Russia); RFBR (Russia); MSTD (Serbia); SEIDI (Spain); CPAN (Spain); Swiss Funding Agencies (Switzerland); NSC (Taipei); TUBITAK (Turkey); TAEK (Turkey); STFC (United Kingdom); DOE (USA); NSF (USA); STFC [ST/K001639/1, ST/F006748/1, ST/H000925/1, ST/I505580/1, ST/J005665/1, ST/I000410/1, ST/J004901/1, ST/I002200/1, ST/K003844/1, ST/K001604/1, ST/H00081X/2, ST/F007434/1, ST/I005912/1, ST/F007094/1, ST/L00609X/1, ST/G502347/1, ST/I505572/1] Funding Source: UKRI; Direct For Mathematical & Physical Scien; Division Of Physics [1211067] Funding Source: National Science Foundation; Division Of Physics; Direct For Mathematical & Physical Scien [0969555, 1205960] Funding Source: National Science Foundationen_US
dc.description.sponsorshipWe congratulate our colleagues in the CERN accelerator departments for the excellent performance of the LHC machine. We thank the technical and administrative staff at CERN and other CMS institutes, and acknowledge support from: BMWF and FWF (Austria); FNRS and FWO (Belgium); CNPq, CAPES, FAPERJ, and FAPESP (Brazil); MES (Bulgaria); CERN; CAS, MoST, and NSFC (China); COLCIENCIAS (Colombia); MSES (Croatia); RPF (Cyprus); MoER, SF0690030s09 and ERDF (Estonia); Academy of Finland, MEC, and HIP (Finland); CEA and CNRS/IN2P3 (France); BMBF, DFG, and HGF (Germany); GSRT (Greece); OTKA and NKTH (Hungary); DAE and DST (India); IPM (Iran); SFI (Ireland); INFN (Italy); NRF and WCU (Korea); LAS (Lithuania); CINVESTAV, CONACYT, SEP, and UASLP-FAI (Mexico); MSI (New Zealand); PAEC (Pakistan); MSHE and NSC (Poland); FCT (Portugal); JINR (Armenia, Belarus, Georgia, Ukraine, and Uzbekistan); MON, RosAtom, RAS, and RFBR (Russia); MSTD (Serbia); SEIDI and CPAN (Spain); Swiss Funding Agencies (Switzerland); NSC (Taipei); TUBITAK and TAEK (Turkey); STFC (United Kingdom); and DOE and NSF (USA).en_US
dc.language.isoengen_US
dc.publisherAmer Physical Socen_US
dc.relation.ispartofPhysical Review Lettersen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.titleMeasurement of the ?(1S), ?(2S), and ?(3S) Polarizations in pp Collisions at ?s 7 TeVen_US
dc.typearticleen_US
dc.authorid0000-0001-9630-7362
dc.authoridGoh, Junghwan/0000-0002-1129-2083
dc.authoridFelcini, Marta/0000-0002-2051-9331
dc.authoridVogel, Helmut/0000-0002-6109-3023
dc.authoridCalderon, Dr. Alicia/0000-0002-7205-2040
dc.authoridHAJAHMAD (Wael HAJ AHMAD), Vael/0000-0003-1491-0446
dc.authoridStahl, Achim/0000-0002-8369-7506
dc.departmentMimar Sinan Güzel Sanatlar Üniversitesien_US
dc.identifier.doi10.1103/PhysRevLett.110.081802
dc.identifier.volume110en_US
dc.identifier.issue8en_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.identifier.wosqualityQ1
dc.identifier.wosWOS:000315141600005
dc.indekslendigikaynakWeb of Scienceen_US
dc.snmzKA_20250105


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