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Study of central exclusive pi+ pi- production in proton-proton collisions at √𝑠 = 5.02 and 13TeV

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dc.contributor.author CMS Collaboration en_US
dc.contributor.author Sirunyan, A. M. en_US
dc.contributor.author CHAUHAN, S. en_US
dc.contributor.author DUBE, SOURABH en_US
dc.contributor.author HEGDE, V. en_US
dc.contributor.author KAPOOR, A. en_US
dc.contributor.author KOTHEKAR, K. en_US
dc.contributor.author PANDEY, S. en_US
dc.contributor.author RANE, A. en_US
dc.contributor.author RASTOGI, A. en_US
dc.contributor.author SHARMA, SEEMA et al. en_US
dc.date.accessioned 2020-09-08T10:26:10Z
dc.date.available 2020-09-08T10:26:10Z
dc.date.issued 2020-08 en_US
dc.identifier.citation European Physical Journal C, 80(8). en_US
dc.identifier.issn 1434-6044 en_US
dc.identifier.issn 1434-6052 en_US
dc.identifier.uri http://dr.iiserpune.ac.in:8080/xmlui/handle/123456789/5030
dc.identifier.uri https://doi.org/10.1140/epjc/s10052-020-8166-5 en_US
dc.description.abstract Central exclusive and semiexclusive production of pairs is measured with the CMS detector in proton-proton collisions at the LHC at center-of-mass energies of 5.02 and 13TeV. The theoretical description of these nonperturbative processes, which have not yet been measured in detail at the LHC, poses a significant challenge to models. The two pions are measured and identified in the CMS silicon tracker based on specific energy loss, whereas the absence of other particles is ensured by calorimeter information. The total and differential cross sections of exclusive and semiexclusive central production are measured as functions of invariant mass, transverse momentum, and rapidity of the system in the fiducial region defined as transverse momentum and pseudorapidity . The production cross sections for the four resonant channels , , , and are extracted using a simple model. These results represent the first measurement of this process at the LHC collision energies of 5.02 and 13TeV. en_US
dc.language.iso en en_US
dc.publisher Springer Nature en_US
dc.subject Physics en_US
dc.subject 2020 en_US
dc.subject 2020-SEP-WEEK1 en_US
dc.subject TOC-SEP-2020 en_US
dc.title Study of central exclusive pi+ pi- production in proton-proton collisions at √𝑠 = 5.02 and 13TeV en_US
dc.type Article en_US
dc.contributor.department Dept. of Physics en_US
dc.identifier.sourcetitle European Physical Journal C en_US
dc.publication.originofpublisher Foreign en_US


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