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1811094170885947392
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| author2 |
Massachusetts Institute of Technology. Department of Physics
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Massachusetts Institute of Technology. Department of Physics
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MIT
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| description |
The results of a search for the bottomonium counterpart, denoted as X b , of the exotic charmonium state X(3872) is presented. The analysis is based on a sample of pp collisions at s=8 TeV collected by the CMS experiment at the LHC, corresponding to an integrated luminosity of 20.7 fb -1 . The search looks for the exclusive decay channel X b →Υ{hooked}(1S)π + π - followed by Υ{hooked}(1S)→μ + μ - . No evidence for an X b signal is observed. Upper limits are set at the 95% confidence level on the ratio of the inclusive production cross sections times the branching fractions to Υ{hooked}(1S)π + π - of the X b and the Υ{hooked}(2S). The upper limits on the ratio are in the range 0.9-5.4% for X b masses between 10 and 11 GeV. These are the first upper limits on the production of a possible X b at a hadron collider. © 2013 CERN.
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2024-09-23T15:56:01Z
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Article
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| id |
mit-1721.1/124518
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| institution |
Massachusetts Institute of Technology
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| language |
English
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2024-09-23T15:56:01Z
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2020
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Elsevier BV
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dspace
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| spelling |
mit-1721.1/1245182022-09-29T17:09:43Z Search for a new bottomonium state decaying to ϒ ( 1 S ) π + π − in pp collisions at √ s = 8 TeV Massachusetts Institute of Technology. Department of Physics The results of a search for the bottomonium counterpart, denoted as X b , of the exotic charmonium state X(3872) is presented. The analysis is based on a sample of pp collisions at s=8 TeV collected by the CMS experiment at the LHC, corresponding to an integrated luminosity of 20.7 fb -1 . The search looks for the exclusive decay channel X b →Υ{hooked}(1S)π + π - followed by Υ{hooked}(1S)→μ + μ - . No evidence for an X b signal is observed. Upper limits are set at the 95% confidence level on the ratio of the inclusive production cross sections times the branching fractions to Υ{hooked}(1S)π + π - of the X b and the Υ{hooked}(2S). The upper limits on the ratio are in the range 0.9-5.4% for X b masses between 10 and 11 GeV. These are the first upper limits on the production of a possible X b at a hadron collider. © 2013 CERN. 2020-04-07T20:59:26Z 2020-04-07T20:59:26Z 2013-11 2013-09 2019-05-03T14:12:44Z Article http://purl.org/eprint/type/JournalArticle 1873-2445 0370-2693 https://hdl.handle.net/1721.1/124518 CMS Collaboration, "Search for a new bottomonium state decaying to ϒ ( 1 S ) π + π − in pp collisions at √ s = 8 TeV." Physics Letters B 727 (2013): p. 57-76 doi 10.1016/J.PHYSLETB.2013.10.016 ©2013 Author(s) en 10.1016/J.PHYSLETB.2013.10.016 Physics Letters B Creative Commons Attribution 3.0 unported license https://creativecommons.org/licenses/by/3.0/ application/pdf Elsevier BV Elsevier
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| spellingShingle |
Search for a new bottomonium state decaying to ϒ ( 1 S ) π + π − in pp collisions at √ s = 8 TeV
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| title |
Search for a new bottomonium state decaying to ϒ ( 1 S ) π + π − in pp collisions at √ s = 8 TeV
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| title_full |
Search for a new bottomonium state decaying to ϒ ( 1 S ) π + π − in pp collisions at √ s = 8 TeV
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| title_fullStr |
Search for a new bottomonium state decaying to ϒ ( 1 S ) π + π − in pp collisions at √ s = 8 TeV
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| title_full_unstemmed |
Search for a new bottomonium state decaying to ϒ ( 1 S ) π + π − in pp collisions at √ s = 8 TeV
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| title_short |
Search for a new bottomonium state decaying to ϒ ( 1 S ) π + π − in pp collisions at √ s = 8 TeV
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| title_sort |
search for a new bottomonium state decaying to ϒ 1 s π π in pp collisions at √ s 8 tev
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| url |
https://hdl.handle.net/1721.1/124518
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