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Measurement of pseudorapidity distributions of charged particles in proton–proton collisions at √s =8 TeV by the CMS and TOTEM experiments

Measurement of pseudorapidity distributions of charged particles in proton–proton collisions at √s =8 TeV by the CMS and TOTEM experiments
Measurement of pseudorapidity distributions of charged particles in proton–proton collisions at √s =8 TeV by the CMS and TOTEM experiments
Pseudorapidity (η η ) distributions of charged particles produced in proton–proton collisions at a centre-of-mass energy of 8 TeV TeV are measured in the ranges |η|<2.2 |η|<2.2 and 5.3<|η|<6.4 covered by the CMS and TOTEM detectors, respectively. The data correspond to an integrated luminosity of L=45 L=45 μb −1. Measurements are presented for three event categories. The most inclusive category is sensitive to 91–96 % of the total inelastic proton–proton cross section. The other two categories are disjoint subsets of the inclusive sample that are either enhanced or depleted in single diffractive dissociation events. The data are compared to models used to describe high-energy hadronic interactions. None of the models considered provide a consistent description of the measured distributions.
1434-6044
Chatrchyan, Serguei
23ce6af5-bdd2-435c-92c8-9b1b71a261ee
Belyaev, Alexander
6bdb9638-5ff9-4b65-a8f2-34bae3ac34b3
Chatrchyan, Serguei
23ce6af5-bdd2-435c-92c8-9b1b71a261ee
Belyaev, Alexander
6bdb9638-5ff9-4b65-a8f2-34bae3ac34b3

Chatrchyan, Serguei and Belyaev, Alexander (2014) Measurement of pseudorapidity distributions of charged particles in proton–proton collisions at √s =8 TeV by the CMS and TOTEM experiments. The European Physical Journal C, C74 (10), [3053]. (doi:10.1140/epjc/s10052-014-3053-6).

Record type: Article

Abstract

Pseudorapidity (η η ) distributions of charged particles produced in proton–proton collisions at a centre-of-mass energy of 8 TeV TeV are measured in the ranges |η|<2.2 |η|<2.2 and 5.3<|η|<6.4 covered by the CMS and TOTEM detectors, respectively. The data correspond to an integrated luminosity of L=45 L=45 μb −1. Measurements are presented for three event categories. The most inclusive category is sensitive to 91–96 % of the total inelastic proton–proton cross section. The other two categories are disjoint subsets of the inclusive sample that are either enhanced or depleted in single diffractive dissociation events. The data are compared to models used to describe high-energy hadronic interactions. None of the models considered provide a consistent description of the measured distributions.

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Published date: 2014
Organisations: Physics & Astronomy

Identifiers

Local EPrints ID: 410527
URI: http://eprints.soton.ac.uk/id/eprint/410527
ISSN: 1434-6044
PURE UUID: e9d6bdcb-a844-4b25-96a4-d1b3562b0372
ORCID for Alexander Belyaev: ORCID iD orcid.org/0000-0002-1733-4408

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Date deposited: 09 Jun 2017 09:02
Last modified: 26 Nov 2021 02:52

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Author: Serguei Chatrchyan

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