Standard

On the Casimir scaling violation in the cusp anomalous dimension at small angle. / Grozin, Andrey; Henn, Johannes; Stahlhofen, Maximilian.

In: Journal of High Energy Physics, Vol. 2017, No. 10, 52, 01.10.2017.

Research output: Contribution to journal › Article › peer-review

Harvard

Grozin, A, Henn, J & Stahlhofen, M 2017, 'On the Casimir scaling violation in the cusp anomalous dimension at small angle', Journal of High Energy Physics, vol. 2017, no. 10, 52. https://doi.org/10.1007/JHEP10(2017)052

APA

Grozin, A., Henn, J., & Stahlhofen, M. (2017). On the Casimir scaling violation in the cusp anomalous dimension at small angle. Journal of High Energy Physics, 2017(10), [52]. https://doi.org/10.1007/JHEP10(2017)052

Vancouver

Grozin A, Henn J, Stahlhofen M. On the Casimir scaling violation in the cusp anomalous dimension at small angle. Journal of High Energy Physics. 2017 Oct 1;2017(10):52. doi: 10.1007/JHEP10(2017)052

Author

Grozin, Andrey ; Henn, Johannes ; Stahlhofen, Maximilian. / On the Casimir scaling violation in the cusp anomalous dimension at small angle. In: Journal of High Energy Physics. 2017 ; Vol. 2017, No. 10.

BibTeX

@article{76eb275f8cef47eabb3407a4e52524a6,
title = "On the Casimir scaling violation in the cusp anomalous dimension at small angle",
abstract = "We compute the four-loop nf contribution proportional to the quartic Casimir of the QCD cusp anomalous dimension as an expansion for small cusp angle ϕ. This piece is gauge invariant, violates Casimir scaling, and first appears at four loops. It requires the evaluation of genuine non-planar four-loop Feynman integrals. We present results up to O(ϕ4). One motivation for our calculation is to probe a recent conjecture on the all-order structure of the cusp anomalous dimension. As a byproduct we obtain the four-loop HQET wave function anomalous dimension for this color structure.",
keywords = "Effective Field Theories, Heavy Quark Physics, Perturbative QCD, Resummation, Resum-mation, QCD, INTEGRATION, EXPONENTIATION, HQET, RENORMALIZATION",
author = "Andrey Grozin and Johannes Henn and Maximilian Stahlhofen",
note = "Publisher Copyright: {\textcopyright} 2017, The Author(s).",
year = "2017",
month = oct,
day = "1",
doi = "10.1007/JHEP10(2017)052",
language = "English",
volume = "2017",
journal = "Journal of High Energy Physics",
issn = "1029-8479",
publisher = "Springer US",
number = "10",

}

RIS

TY - JOUR

T1 - On the Casimir scaling violation in the cusp anomalous dimension at small angle

AU - Grozin, Andrey

AU - Henn, Johannes

AU - Stahlhofen, Maximilian

N1 - Publisher Copyright: © 2017, The Author(s).

PY - 2017/10/1

Y1 - 2017/10/1

N2 - We compute the four-loop nf contribution proportional to the quartic Casimir of the QCD cusp anomalous dimension as an expansion for small cusp angle ϕ. This piece is gauge invariant, violates Casimir scaling, and first appears at four loops. It requires the evaluation of genuine non-planar four-loop Feynman integrals. We present results up to O(ϕ4). One motivation for our calculation is to probe a recent conjecture on the all-order structure of the cusp anomalous dimension. As a byproduct we obtain the four-loop HQET wave function anomalous dimension for this color structure.

AB - We compute the four-loop nf contribution proportional to the quartic Casimir of the QCD cusp anomalous dimension as an expansion for small cusp angle ϕ. This piece is gauge invariant, violates Casimir scaling, and first appears at four loops. It requires the evaluation of genuine non-planar four-loop Feynman integrals. We present results up to O(ϕ4). One motivation for our calculation is to probe a recent conjecture on the all-order structure of the cusp anomalous dimension. As a byproduct we obtain the four-loop HQET wave function anomalous dimension for this color structure.

KW - Effective Field Theories

KW - Heavy Quark Physics

KW - Perturbative QCD

KW - Resummation

KW - Resum-mation

KW - QCD

KW - INTEGRATION

KW - EXPONENTIATION

KW - HQET

KW - RENORMALIZATION

UR - http://www.scopus.com/inward/record.url?scp=85031498653&partnerID=8YFLogxK

U2 - 10.1007/JHEP10(2017)052

DO - 10.1007/JHEP10(2017)052

M3 - Article

AN - SCOPUS:85031498653

VL - 2017

JO - Journal of High Energy Physics

JF - Journal of High Energy Physics

SN - 1029-8479

IS - 10

M1 - 52

ER -

ID: 9891592