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 - INSPIRE

DataBETA

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

D0

Collaboration

Oct 29, 2014

13 pages

Published in:

Phys.Rev.D 91 (2015) 7, 072002

Published: Apr 6, 2015

e-Print:

1410.8052 [hep-ex]

DOI:

10.1103/PhysRevD.91.072002

Report number:

FERMILAB-PUB-14-430-E

Experiments:

FNAL-E-0823

View in:

reference search16 citations

Citations per year

Abstract: (APS)

We present a measurement of the distribution of the variable ϕη* 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 s=1.96 TeV. The data are corrected for detector effects and presented in bins of dimuon rapidity and mass. The variable ϕη* probes the same physical effects as the Z/γ* 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 ϕη* distributions for dilepton masses away from the Z→ℓ+ℓ- boson mass peak. The data are compared to QCD predictions based on the resummation of multiple soft gluons.

Note:

Accepted for publication in Phys.Rev.D

12.38.Qk
13.85.Qk
14.70.Hp
muon: pair production
dimuon: mass spectrum
dimuon: transverse momentum
Z0: transverse momentum
photon: transverse momentum
efficiency
resolution

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