Heavy-quark deep-inelastic scattering with a running mass - INSPIRE

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Heavy-quark deep-inelastic scattering with a running mass

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

Nov, 2010

15 pages

Published in:

Phys.Lett.B 699 (2011) 345-353

e-Print:

1011.5790 [hep-ph]

DOI:

10.1016/j.physletb.2011.04.026

PDG:

{\mathit {\mathit c}}

Report number:

DESY-10-212

View in:

ADS Abstract Service

reference search114 citations

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Abstract: (Elsevier)

We study the production of heavy quarks in deep-inelastic scattering within perturbative QCD. As a new result, we employ for the first time the running mass definition in the MS¯ scheme for deep-inelastic charm and bottom production. We observe an improved stability of the perturbative expansion and a reduced theoretical uncertainty due to variations of the renormalization and factorization scales. As our best estimate we extract from a global fit to fixed-target and HERA collider data for the charm-quark an MS¯ mass of mc(mc)=1.01±0.09(exp)±0.03(th)GeV .

Note:

16 pages Latex, 8 figures

Deep-inelastic scattering
Heavy-quark structure functions
Running quark mass
Charm quark mass
factorization
quantum chromodynamics: perturbation theory
heavy quark: electroproduction
renormalization
DESY HERA Stor
stability

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