Parton Distribution Functions and Benchmark Cross Sections at NNLO - INSPIRE

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Parton Distribution Functions and Benchmark Cross Sections at NNLO

S. Alekhin
(
- DESY, Zeuthen and
- Serpukhov, IHEP
)
,
J. Blumlein
(
- DESY, Zeuthen
)
,
S. Moch
(
- DESY, Zeuthen
)

Feb, 2012

65 pages

Published in:

Phys.Rev.D 86 (2012) 054009

e-Print:

1202.2281 [hep-ph]

DOI:

10.1103/PhysRevD.86.054009

Report number:

DESY-12-023,
DO-TH-11-31,
LPN-12-033,
SFB-CPP-12-08

Experiments:

ABM

View in:

ADS Abstract Service

reference search441 citations

Citations per year

Abstract: (arXiv)

We present a determination of parton distribution functions (ABM11) and the strong coupling constant alpha_s at next-to-leading order and next-to-next-to-leading order (NNLO) in QCD based on world data for deep-inelastic scattering and fixed-target data for the Drell-Yan process. The analysis is performed in the fixed-flavor number scheme for n_f=3,4,5 and uses the MSbar-scheme for alpha_s and the heavy-quark masses. At NNLO we obtain the value alpha_s(M_Z) = 0.1134 +- 0.0011. The fit results are used to compute benchmark cross sections at hadron colliders to NNLO accuracy and to compare to data from the LHC.

Note:

68 pages latex, 32 figures; final version (analysis of LHC jet data added, expanded discussion and additional references)

12.38.Bx
12.38.Qk
parton: distribution function
heavy quark: mass
strong interaction: coupling constant
higher-order: 2
higher-order: 1
lepton p: deep inelastic scattering
quantum chromodynamics: perturbation theory
Drell-Yan process

References(203)

Figures(33)

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,
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)
,
P. Jimenez-Delgado
(
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