Measurement of the inelastic proton-proton cross section at root s=13 TeV

CMS Collaboration; Sirunyan, A. M.; KAPOOR, A.; KOTHEKAR, K.; CHAUHAN, S.; DUBE, SOURABH; PANDEY, S.; HEGDE, V; SHARMA, SEEMA et al.; RANE, A.

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Measurement of the inelastic proton-proton cross section at root s=13 TeV

CMS Collaboration; Sirunyan, A. M.; CHAUHAN, S.; DUBE, SOURABH; HEGDE, V; KAPOOR, A.; KOTHEKAR, K.; PANDEY, S.; RANE, A.; SHARMA, SEEMA et al.

URI: http://dr.iiserpune.ac.in:8080/xmlui/handle/123456789/1153 https://doi.org/10.1007/JHEP07(2018)161 Date: 2018-07

Abstract:

A measurement of the inelastic proton-proton cross section with the CMS detector at a center-of-mass energy of root s = 13 TeV is presented. The analysis is based on events with energy deposits in the forward calorimeters, which cover pseudorapidities of -6.6 < eta < -3.0 and +3.0 < eta < +5.2. An inelastic cross section of 68.6 +/- 0.5(syst) +/- 1.6(lumi) mb is obtained for events with M-x > 4.1 GeV and/or M-Y > 13 GeV, where M-x and M-Y are the masses of the diffractive dissociation systems at negative and positive pseudorapidities, respectively. The results are compared with those from other experiments as well as to predictions from high-energy hadron-hadron interaction models.

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