Quark and gluon form factors to four-loop order in QCD: the $N_f^3$ contributions - INSPIRE

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Quark and gluon form factors to four-loop order in QCD: the $N_f^3$ contributions

Nov 2, 2016

5 pages

Published in:

Phys.Rev.D 95 (2017) 3, 034030

Published: Feb 22, 2017

e-Print:

1611.00795 [hep-ph]

DOI:

10.1103/PhysRevD.95.034030

Report number:

MITP-16-097,
TCDMATH-16-15

View in:

ADS Abstract Service

reference search75 citations

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Abstract: (arXiv)

We calculate the four-loop massless QCD corrections with three closed quark lines to quark and gluon form factors. We apply a novel integration by parts algorithm based on modular arithmetic and compute all relevant master integrals for arbitrary values of the space-time dimension. This is the first calculation of a gluon form factor at this perturbative order in QCD.

Note:

4 pages

quark: form factor
gluon: form factor
quantum chromodynamics: massless
quantum chromodynamics: correction
correction: higher-order
higher-order: 4
master integral
mathematical methods

References(43)

Figures(0)

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