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The differential production cross section of the phi(1020) meson in sqrt(s)=7 TeV pp collisions measured with the ATLAS detector

G. Aad S. Albrand 1 M.L. Andrieux 1 Q. Buat 1 B. Clement 1 J. Collot 1 S. Crépé-Renaudin 1 B. Dechenaux 1 T. Delemontex 1 P.A. Delsart 1 C. Gabaldon 1 M.H. Genest 1 J.Y. Hostachy 1 E. Laisne 1 F. Ledroit-Guillon 1 A. Lleres 1 A. Lucotte 1 F. Malek 1 J. Stark 1 X. Sun 1 B. Trocmé 1 J. Wang 1 C. Weydert 1 C. Biscarat 2 E. Cogneras 2 G. Rahal 2 D. Boumediene 3 Emmanuel Busato 3 D. Calvet 3 S. Calvet 3 Reina Coromoto Camacho Toro 3 Diane Cinca 4 J. Donini 3 R. Febbraro 3 N. Ghodbane 3 Ph. Gris 3 C. Guicheney 3 H. Liao 3 D. Pallin 3 Daniela Paredes Hernández 3 F. Podlyski 3 C. Santoni 3 F. Vazeille 3 S. Abdel Khalek 5 N. Andari 5 C. Arnault 5 E. Augé 5 P. Barrillon 5 M. Benoit 5 S. Binet 5 C. Bourdarios 5 C. de la Taille 5 J.B. de Vivie de Regie 5 L. Duflot 5 M. Escalier 5 L. Fayard 5 D. Fournier 5 J.-F. Grivaz 5 S. Henrot-Versillé 5 J. Hrivnac 5 L. Iconomidou-Fayard 5 J. Idarraga 5 M. Kado 5 N. Lorenzo Martinez 5 P. Matricon 5 F. Niedercorn 5 L. Poggioli 5 P. Puzo 5 A. Renaud 5 D. Rousseau 5 G. Rybkin 5 J.B. Sauvan 6 J. Schaarschmidt 5 A.C. Schaffer 5 E. Scifo 5 L. Serin 5 S. Simion 5 R. Tanaka 5 M. Teinturier 5 H.L. Tran 5 J.J. Veillet 5 F. Wicek 5 D. Zerwas 5 Zhiqing Zhang 5 S. Aoun 7 C.P. Bee 7 C. Bertella 7 N. Bousson 7 J. C. Clémens 7 Y. Coadou 7 F. Djama 7 F. Etienne 7 L. Feligioni 7 D. Hoffmann 7 F. Hubaut 7 E. B. F. G. Knoops 7 E. Le Guirriec 7 B. Li 7 J. Maurer 7 E. Monnier 7 Y. Nagai 7 J. Odier 7 P. Pralavorio 7 A. Rozanov 7 M. Talby 7 N. Tannoury 7 E. Tiouchichine 7 S. Tisserant 7 J. Toth 7 F. Touchard 7 L. Vacavant 7 N. Berger 8 M. Delmastro 8 L. Di Ciaccio 8 T.K.O. Doan 8 S. Elles 8 C. Goy 8 T. Hryn'Ova 8 S. Jézéquel 8 H. Keoshkerian 8 R. Lafaye 8 J. Leveque 8 V.P. Lombardo 8 N. Massol 8 E. Petit 8 H. Przysiezniak 8 G. Sauvage 8 E. Sauvan 8 M. Schwoerer 8 T. Todorov 8 I. Wingerter-Seez 8 R. Zitoun 8 O. Simard 8
Abstract : A measurement is presented of the phi to K+K- production cross section at sqrt(s) = 7 TeV using pp collision data corresponding to an integrated luminosity of 383 mub-1, collected with the ATLAS experiment at the LHC. Selection of phi(1020) mesons is based on the identification of charged kaons by their energy loss in the pixel detector. The differential cross section is measured as a function of the transverse momentum, pTphi, and rapidity, |yphi|, of the phi(1020) meson in the fiducial region 500 < pTphi< 1200 MeV, |yphi| < 0.8, kaon pTK> 230 MeV and kaon momentum pK< 800 MeV.The integrated phi(1020)-meson production cross section in this fiducial range is measured to be s(phi K+K-) = 570 pm 8 (stat) pm 66 (syst) pm 20 (lumi) mub.
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Submitted on : Wednesday, February 26, 2014 - 8:39:36 AM
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G. Aad, S. Albrand, M.L. Andrieux, Q. Buat, B. Clement, et al.. The differential production cross section of the phi(1020) meson in sqrt(s)=7 TeV pp collisions measured with the ATLAS detector. European Physical Journal C: Particles and Fields, Springer Verlag (Germany), 2014, 74, pp.2895. ⟨10.1140/epjc/s10052-014-2895-2⟩. ⟨in2p3-00951984⟩

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