Measurement of the differential cross-sections of prompt and non-prompt production of $J/\psi$ and $\psi(2\mathrm{S})$ in $pp$ collisions at $\sqrt{s} = 7$ and $8$ TeV with the ATLAS detector

G. Aad 1 S. Albrand 2 J. Brown 2 J. Collot 2 S. Crépé-Renaudin 2 P.A. Delsart 2 C. Gabaldon 2 M.H. Genest 2 J.Y. Hostachy 2 F. Ledroit-Guillon 2 A. Lleres 2 A. Lucotte 2 F. Malek 2 C. Monini 2 J. Stark 2 B. Trocmé 2 M. Wu 2 G. Rahal 3 D. Boumediene 4 E. Busato 4 D. Calvet 4 S. Calvet 4 J. Donini 4 E. Dubreuil 4 G. Gilles 4 Ph. Gris 4 H. Liao 4 R. Madar 4 D. Pallin 4 S.M. Romano Saez 4 C. Santoni 4 D. Simon 4 T. Theveneaux-Pelzer 4 F. Vazeille 4 Barnovska Z. 5 Berger N. 5 Delmastro P. 5 Di Ciaccio L. 5 Elles S. 5 Goy C. 5 Hryn’ova T. 5 Jézéquel S. 5 Koletsou I. 5 Lafaye R. 5 Levêque J. 5 Massol N. 5 Mastrandea P. 5 Sauvage G. 5 Sauvan E. 5 Simard O. 5 Todorov T. 5 Wingerter-Seez I. 5 Yatsenko E. 5 M.K. Ayoub 6 A. Bassalat 6 C. Bécot 6 S. Binet 6 C. Bourdarios 6 D. Delgove 6 J-B. de Vivie De Regie 6 L. Duflot 6 M. Escalier 6 L. Fayard 6 D. Fournier 6 E.L. Gkougkousis 6 J-F. Grivaz 6 T. Guillemin 6 F. Hariri 6 S. Henrot-Versille 6 J. Hrivnac 6 L. Iconomidou-Fayard 6 M. Kado 6 A. Lounis 6 N. Makovec 6 N. Morange 6 C. Nellist 6 P. Petroff 6 L. Poggioli 6 P. Puzo 6 A. Renaud 6 D. Rousseau 6 G. Rybkin 6 A.C. Schaffer 6 E. Scifo 6 L. Serin 6 S. Simion 6 R. Tanaka 6 D. Zerwas 6 Zhongkai Zhang 6 Y. Zhao 6 L. Alio 1 M. Barbero 1 Y. Coadou 1 C. Diaconu 1 S. Diglio 1 F. Djama 1 L. Feligioni 1 J. Gao 1 G.D. Hallewell 1 F. Hubaut 1 S.J. Kahn 1 E. B. F. G. Knoops 1 E. Le Guirriec 1 J. Liu 1 K. Liu 1 D. Madaffari 1 K. Mochizuki 1 E. Monnier 1 S. Muanza 1 Y. Nagai 1 E. Nagy 1 P. Pralavorio 1 A. Rozanov 1 T. Serre 1 M. Talby 1 R.E. Ticse Torres 1 E. Tiouchichine 1 S. Tisserant 1 J. Toth 1 F. Touchard 1 L. Vacavant 1
Abstract : The production rates of prompt and non-prompt $J/\psi$ and $\psi(2\mathrm{S})$ mesons are measured using 2.1 $fb^{-1}$ and 11.4 $fb^{-1}$ of data collected with the ATLAS experiment at the LHC, in proton-proton collisions at $\sqrt{s}=7$ and 8 TeV respectively. Production cross-sections for both prompt and non-prompt production sources, ratios of $\psi(2\mathrm{S})$ to $J/\psi$ production, and fractions of non-prompt to inclusive production for $J/\psi$ and $\psi(2\mathrm{S})$ are measured double-differentially as a function of meson $p_{T}$ and rapidity. These measurements are made in a restricted fiducial volume and also corrected for geometrical acceptance after which they are compared to a variety of theoretical predictions.
Type de document :
Article dans une revue
European Physical Journal C: Particles and Fields, Springer Verlag (Germany), 2016, 76, pp.283. 〈10.1140/epjc/s10052-016-4050-8〉
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Soumis le : lundi 14 décembre 2015 - 08:32:53
Dernière modification le : jeudi 11 octobre 2018 - 15:40:03

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G. Aad, S. Albrand, J. Brown, J. Collot, S. Crépé-Renaudin, et al.. Measurement of the differential cross-sections of prompt and non-prompt production of $J/\psi$ and $\psi(2\mathrm{S})$ in $pp$ collisions at $\sqrt{s} = 7$ and $8$ TeV with the ATLAS detector. European Physical Journal C: Particles and Fields, Springer Verlag (Germany), 2016, 76, pp.283. 〈10.1140/epjc/s10052-016-4050-8〉. 〈in2p3-01242737〉

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