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Measurement of the inelastic proton-proton cross section at√s = 7 TeV

Chatrchyan, S. and Khachatryan, V. and Sirunyan, A. M. and Tumasyan, A. and Adam, W. and Aguilo, E. and Bergauer, T. and Dragicevic, M. and Ero, J. and Fabjan, C. and Friedl, M. and Fruhwirth, R. and Ghete, V. M. and Hammer, J. and Hormann, N. and Hrubec, J. and Jeitler, M. and Kiesenhofer, W. and Knunz, V. and Krammer, M. and Kratschmer, I. and Liko, D. and Mikulec, I. and Pernicka, M. and Rahbaran, B. and Rohringer, C. and Rohringer, H. and Schoefbeck, R. and Strauss, J. and Taurok, A. and Bencze, György and Hajdu, Csaba and Hidas, Pál and Horváth, Dezső and Siklér, Ferenc and Veszprémi, Viktor and Vesztergombi, György and Zsigmond, Anna Júlia and Molnár, József and Pálinkás, József and Karancsi, János and Raics, Péter and Trócsányi, Zoltán and Ujvári, Balázs and Veres, Gábor and Krajczár, Krisztián (2013) Measurement of the inelastic proton-proton cross section at√s = 7 TeV. PHYSICS LETTERS B, 722 (1-3). pp. 5-27. ISSN 0370-2693

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Abstract

A measurement is presented of the inelastic proton-proton cross section at a centre- of-mass energy of √s = 7 TeV. Using the CMS detector at the LHC, the inelastic cross section is measured through two independent methods based on information from (i) forward calorimetry (for pseudorapidity 3 < |η| < 5), in collisions where at least one proton loses more than 5 × 10−6 of its longitudinal momentum, and (ii) the central tracker ( |η| < 2.4), in collisions containing an interaction vertex with more than one, two, or three tracks with transverse momenta pT > 200 MeV/c. The measurements cover a large fraction of the inelastic cross section for particle production over about nine units of pseudorapidity and down to small transverse momenta. The results are compared with those of other experiments, and with models used to describe high- energy hadronic interactions.

Item Type: Article
Subjects: Q Science / természettudomány > QC Physics / fizika
SWORD Depositor: MTMT SWORD
Depositing User: MTMT SWORD
Date Deposited: 12 Jun 2024 13:52
Last Modified: 12 Jun 2024 13:52
URI: https://real.mtak.hu/id/eprint/197231

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