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ϒ(nS)polarizations versus particle multiplicity in pp collisions at √s=7TeV
| dc.contributor.author | CMS Collaboration | |
| dc.date.accessioned | 2017-09-21T20:20:44Z | |
| dc.date.available | 2017-09-21T20:20:44Z | |
| dc.date.issued | 2016-08-02 | |
| dc.identifier.citation | Khachatryan, V., Bansal, S., Hindrichs, O., Barnett, B. A., Ciocci, M. A., Weiler, T., ... & Canelli, M. F. (2016). ϒ (nS) polarizations versus particle multiplicity in pp collisions at s= 7 TeV. Physics letters B. | en_US |
| dc.identifier.uri | http://hdl.handle.net/1808/24991 | |
| dc.description.abstract | The polarizations of the ϒ(1S), ϒ(2S), and ϒ(3S)mesons are measured as a function of the charged particle multiplicity in proton–proton collisions at √s=7TeV. The measurements are performed with a dimuon data sample collected in 2011 by the CMS experiment, corresponding to an integrated luminosity of 4.9fb−1. The results are extracted from the dimuon decay angular distributions, in two ranges of ϒ(nS)transverse momentum (10–15 and 15–35GeV), and in the rapidity interval |y| <1.2. The results do not show significant changes from low-to high-multiplicity pp collisions, although large uncertainties preclude definite statements in the ϒ(2S)and ϒ(3S)cases. | en_US |
| dc.publisher | Elsevier | en_US |
| dc.rights | ©2016 The Author(s). Published by Elsevier B.V. This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/). Funded by SCOAP3. | en_US |
| dc.rights.uri | http://creativecommons.org/licenses/by/4.0/ | |
| dc.subject | CMS | en_US |
| dc.subject | Physics | en_US |
| dc.subject | Quarkonium production | en_US |
| dc.subject | Quarkonium polarization | en_US |
| dc.subject | QCD medium effects | en_US |
| dc.title | ϒ(nS)polarizations versus particle multiplicity in pp collisions at √s=7TeV | en_US |
| dc.type | Article | en_US |
| dc.identifier.doi | 10.1016/j.physletb.2016.07.065 | en_US |
| kusw.oaversion | Scholarly/refereed, author accepted manuscript | en_US |
| kusw.oapolicy | This item meets KU Open Access policy criteria. | en_US |
| dc.rights.accessrights | openAccess |
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Except where otherwise noted, this item's license is described as: ©2016 The Author(s). Published by Elsevier B.V. This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/). Funded by SCOAP3.
