Measurement of the Differential and Double-Differential Drell-Yan Cross Sections in Proton-Proton Collisions at $\sqrt{s} =$ 7 TeV - INSPIRE

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Measurement of the Differential and Double-Differential Drell-Yan Cross Sections in Proton-Proton Collisions at $\sqrt{s} =$ 7 TeV

CMS

Collaboration

Oct 27, 2013

62 pages

Published in:

JHEP 12 (2013) 030

Published: Dec, 2013

e-Print:

1310.7291 [hep-ex]

DOI:

10.1007/JHEP12(2013)030

Report number:

CMS-SMP-13-003,
CERN-PH-EP-2013-168

Experiments:

CERN-LHC-CMS

View in:

reference search171 citations

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Abstract: (arXiv)

Measurements of the differential and double-differential Drell-Yan cross sections are presented using an integrated luminosity of 4.5(4.8) inverse femtobarns in the dimuon (dielectron) channel of proton-proton collision data recorded with the CMS detector at the LHC at

\sqrt{s}

= 7 TeV. The measured inclusive cross section in the Z-peak region (60-120 GeV) is

\sigma(\ell \ell)

= 986.4 +/- 0.6 (stat.) +/- 5.9 (exp. syst.) +/- 21.7 (th. syst.) +/- 21.7 (lum.) pb for the combination of the dimuon and dielectron channels. Differential cross sections

d\sigma/dm

for the dimuon, dielectron, and combined channels are measured in the mass range 15 to 1500 GeV and corrected to the full phase space. Results are also presented for the measurement of the double-differential cross section

d^2\sigma/dm d |y|

in the dimuon channel over the mass range 20 to 1500 GeV and absolute dimuon rapidity from 0 to 2.4. These measurements are compared to the predictions of perturbative QCD calculations at next-to-leading and next-to-next-to-leading orders using various sets of parton distribution functions.

Note:

Replaced with published version. Added journal reference and DOI

Hadron-Hadron Scattering
parton: distribution function
p p: scattering
higher-order: 2
higher-order: 1
quantum chromodynamics: perturbation theory
muon: pair production
electron: pair production
Drell-Yan process
differential cross section

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