Measurement of the Upsilon(1s), Upsilon(2s), and Upsilon(3s) Polarizations in Pp Collisions at Root S 7 Tev
| dc.contributor.author | Karapınar, Güler | |
| dc.coverage.doi | 10.1103/PhysRevLett.110.081802 | |
| dc.date.accessioned | 2021-01-24T18:47:31Z | |
| dc.date.available | 2021-01-24T18:47:31Z | |
| dc.date.issued | 2013 | |
| dc.description.abstract | The 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.110.081802 | en_US |
| dc.description.sponsorship | We 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.identifier.doi | 10.1103/PhysRevLett.110.081802 | |
| dc.identifier.issn | 0031-9007 | |
| dc.identifier.issn | 1079-7114 | |
| dc.identifier.uri | https://doi.org/10.1103/PhysRevLett.110.081802 | |
| dc.identifier.uri | https://hdl.handle.net/11147/10689 | |
| 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.title | Measurement of the Upsilon(1s), Upsilon(2s), and Upsilon(3s) Polarizations in Pp Collisions at Root S 7 Tev | en_US |
| dc.type | Article | en_US |
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| gdc.description.department | İzmir Institute of Technology. Rectorate | en_US |
| gdc.description.issue | 8 | en_US |
| gdc.description.publicationcategory | Makale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı | en_US |
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| gdc.description.volume | 110 | en_US |
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| gdc.oaire.keywords | [PHYS.HEXP] Physics [physics]/High Energy Physics - Experiment [hep-ex] | |
| gdc.oaire.keywords | Polarization parameters | |
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| gdc.oaire.keywords | Nuclear Physics; Elementary Particle Interactions; Mesons; Models, Theoretical; Protons; Physics and Astronomy (all) | |
| gdc.oaire.keywords | Longitudinal polarization | |
| gdc.oaire.keywords | pp | |
| gdc.oaire.keywords | 530 | |
| gdc.oaire.keywords | PARTICLE PHYSICS; LARGE HADRON COLLIDER; CMS | |
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| gdc.oaire.keywords | CERN | |
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| gdc.oaire.keywords | Integrated luminosity | |
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| gdc.oaire.keywords | info:eu-repo/classification/ddc/550 | |
| gdc.oaire.keywords | Proton proton collisions | |
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| gdc.oaire.keywords | Transverse momenta | |
| gdc.oaire.keywords | Physique des particules élémentaires | |
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