Measurement of the $\phi^*_\eta$ distribution of muon pairs with masses between 30 and 500 GeV in 10.4 fb$^{-1}$ of $p\bar{p}$ collisions

V.M. Abazov G. Sajot 1 J. Stark 1 S. Greder 2 F. Miconi 2 I. Ripp-Baudot 2 G. Grenier 3 T. Kurca 3 P. Lebrun 3 J.-F. Grivaz 4 T. Guillemin 4 M. Jaffré 4 P. Pétroff 4 U. Bassler 5 M. Besancon 5 E. Chapon 6 F. Couderc 5 F. Deliot 5 A. Fauré 5 A. Grohsjean 5 C. Royon 5 V. Shary 5 M. Titov 5 B. Tuchming 5 D. Vilanova 5 M.-C. Cousinou 7 A. Duperrin 7 W. Geng 7 E. Kajfasz 7 S. Kermiche 7 E. Nagy 7 N. Osman 7
1 LPSC - Laboratoire de Physique Subatomique et de Cosmologie
2 DRS-IPHC - Département Recherches Subatomiques
3 IPNL - Institut de Physique Nucléaire de Lyon
4 LAL - Laboratoire de l'Accélérateur Linéaire
5 IRFU - Institut de Recherches sur les lois Fondamentales de l'Univers
6 LLR - Laboratoire Leprince-Ringuet
7 CPPM - Centre de Physique des Particules de Marseille
Abstract : We present a measurement of the distribution of the variable $\phi^*_\eta$ for muon pairs with masses between 30 and 500 GeV, using the complete Run II data set collected by the D0 detector at the Fermilab Tevatron proton-antiproton collider. This corresponds to an integrated luminosity of 10.4 fb$^{-1}$ at $\sqrt{s}$ = 1.96 TeV. The data are corrected for detector effects and presented in bins of dimuon rapidity and mass. The variable $\phi^*_\eta$ probes the same physical effects as the $Z/\gamma^*$ boson transverse momentum, but is less susceptible to the effects of experimental resolution and efficiency. These are the first measurements at any collider of the $\phi^*_\eta$ distributions for dilepton masses away from the $Z\rightarrow \ell^+\ell^-$ boson mass peak. The data are compared to QCD predictions based on the resummation of multiple soft gluons.
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Physical Review D, American Physical Society, 2015, 91, pp.072002. 〈10.1103/PhysRevD.91.072002〉
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http://hal.in2p3.fr/in2p3-01078719
Contributeur : Emmanuelle Vernay <>
Soumis le : jeudi 30 octobre 2014 - 08:10:16
Dernière modification le : mercredi 23 janvier 2019 - 14:38:46

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V.M. Abazov, G. Sajot, J. Stark, S. Greder, F. Miconi, et al.. Measurement of the $\phi^*_\eta$ distribution of muon pairs with masses between 30 and 500 GeV in 10.4 fb$^{-1}$ of $p\bar{p}$ collisions. Physical Review D, American Physical Society, 2015, 91, pp.072002. 〈10.1103/PhysRevD.91.072002〉. 〈in2p3-01078719〉

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