Charged-particle distributions in $pp$ interactions at $\sqrt{s}=8$ TeV measured with the ATLAS detector at the LHC

G. Aad 1 Z. Barnovska 2 N. Berger 2 M. Delmastro 2 L. Di Ciaccio 2 S. Elles 2 K. Grevtsov 2 T. Hryn’ova 2 S. Jézéquel 2 I. Koletsou 2 R. Lafaye 2 J. Levêque 2 P. Mastrandea 2 G. Sauvage 2 E. Sauvan 2 O. Simard 2 T. Todorov 2 I. Wingerter-Seez 2 E. Yatsenko 2 D. Boumediene 3 E. Busato 3 D. Calvet 3 S. Calvet 3 A.R. Chomont 3 J. Donini 3 Ph. Gris 3 H. Liao 3 R. Madar 3 D. Pallin 3 S.M. Romano Saez 3 C. Santoni 3 D. Simon 3 F. Vazeille 3 S. Albrand 4 S. Berlendis 4 C. Camincher 4 J. Collot 4 S. Crépé-Renaudin 4 P.A. Delsart 4 C. Gabaldon 4 M.H. Genest 4 J.Y. Hostachy 4 F. Ledroit-Guillon 4 A. Lleres 4 A. Lucotte 4 F. Malek 4 E. Petit J. Stark 4 B. Trocmé 4 M. Wu 4 L. Alio 1 M. Barbero 1 A. Calandri T.P. Calvet 1 Y. Coadou 1 C. Diaconu 1 S. Diglio 1 F. Djama 1 V. Ellajosyula 1 L. Feligioni 1 J. Gao 1 A. Hadef 1 G.D. Hallewell 1 F. Hubaut 1 S.J. Kahn 1 E. B. F. G. Knoops 1 E. Le Guirriec 1 J. Liu K. Liu 1 D. Madaffari 1 K. Mochizuki 1 E. Monnier 1 S. Muanza 1 E. Nagy 1 P. Pralavorio 1 Y. Rodina 1 A. Rozanov 1 M. Talby 1 T. Theveneaux-Pelzer 3 R.E. Ticse Torres 1 S. Tisserant 1 J. Toth 1 F. Touchard 1 L. Vacavant 1 Chen Wang 1 M.K. Ayoub 5 A. Bassalat 5 S. Binet 5 C. Becot 5 C. Bourdarios 5 J.B. de Vivie De Regie 5 D. Delgove 5 L. Duflot 5 M. Escalier 5 L. Fayard 5 D. Fournier 5 E.L. Gkougkousis 5 J.-F. Grivaz 5 T. Guillemin 5 F. Hariri 5 S. Henrot-Versille 5 J. Hrivnac 5 L. Iconomidou-Fayard 5 M. Kado 5 A. Lounis 5 N. Makovec 5 N. Morange 5 C. Nellist 5 P. Petroff 5 L. Poggioli 5 P. Puzo 5 A. Renaud 5 G. Rybkin 5 D. Rousseau 5 A.C. Schaffer 5 L. Serin 5 E. Scifo 5 S. Simion 5 R. Tanaka D. Zerwas 5 Zhongkai Zhang 5 Y. Zhao 5
Abstract : This paper presents measurements of charged-particle distributions which are produced in proton--proton collisions at a centre-of-mass energy of $\sqrt{s}=8$ TeV and recorded by the ATLAS detector at the LHC. A special dataset recorded in 2012 with a small number of interactions per beam crossing (below 0.004) and corresponding to an integrated luminosity of $160 \mathrm{\mu b^{-1}}$ was used. A minimum-bias trigger was utilised to select a data sample of more than 9 million collision events. The multiplicity, pseudorapidity, and transverse momentum distributions of charged particles are shown in different regions of kinematics and charged-particle multiplicity, including measurements of final states at high multiplicity. The results are presented as particle-level distributions to which predictions of various Monte Carlo event generator models are compared.
Type de document :
Article dans une revue
European Physical Journal C: Particles and Fields, Springer Verlag (Germany), 2016, 76, pp.403. 〈10.1140/epjc/s10052-016-4203-9〉
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Soumis le : jeudi 17 mars 2016 - 17:38:02
Dernière modification le : jeudi 18 janvier 2018 - 01:48:33

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G. Aad, Z. Barnovska, N. Berger, M. Delmastro, L. Di Ciaccio, et al.. Charged-particle distributions in $pp$ interactions at $\sqrt{s}=8$ TeV measured with the ATLAS detector at the LHC. European Physical Journal C: Particles and Fields, Springer Verlag (Germany), 2016, 76, pp.403. 〈10.1140/epjc/s10052-016-4203-9〉. 〈in2p3-01290226〉

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