Next-to-leading-logarithmic power corrections for N -jettiness subtraction in color-singlet production

Radja Boughezal; Andrea Isgrò; Francis John Petriello

doi:10.1103/PhysRevD.97.076006

Next-to-leading-logarithmic power corrections for N -jettiness subtraction in color-singlet production

Radja Boughezal, Andrea Isgrò, Francis John Petriello

Physics and Astronomy

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

67 Scopus citations

Abstract

We present a detailed derivation of the power corrections to the factorization theorem for the 0-jettiness event shape variable T. Our calculation is performed directly in QCD without using the formalism of effective field theory. We analytically calculate the next-to-leading logarithmic power corrections for small T at next-to-leading order in the strong coupling constant, extending previous computations which obtained only the leading-logarithmic power corrections. We address a discrepancy in the literature between results for the leading-logarithmic power corrections to a particular definition of 0-jettiness. We present a numerical study of the power corrections in the context of their application to the N-jettiness subtraction method for higher-order calculations, using gluon-fusion Higgs production as an example. The inclusion of the next-to-leading-logarithmic power corrections further improves the numerical efficiency of the approach beyond the improvement obtained from the leading-logarithmic power corrections.

Original language	English (US)
Article number	073008
Journal	Physical Review D
Volume	97
Issue number	7
DOIs	https://doi.org/10.1103/PhysRevD.97.076006
State	Published - Apr 1 2018

Funding

R. B. is supported by the Department of Energy (DOE) under Contract No. DE-AC02-06CH11357. F. P. is supported by the DOE Grants No. DE-FG02-91ER40684 and No. DE-AC02-06CH11357. A. I. is supported by the DOE Grant No. DE-FG02-91ER40684 and the National Science Foundation (NSF) Grant No. NSF-1520916. This research used resources of the Argonne Leadership Computing Facility, which is a DOE Office of Science User Facility supported under Contract No. DE-AC02-06CH11357. R. B. and F. P. thank the Aspen Center for Physics and the Perimeter Institute for kind hospitality during the course of this work. This research was supported in part by Perimeter Institute for Theoretical Physics. Research at Perimeter Institute is supported by the Government of Canada through Industry Canada and by the Province of Ontario through the Ministry of Economics Development and Innovation.

ASJC Scopus subject areas

Physics and Astronomy (miscellaneous)

Access to Document

10.1103/PhysRevD.97.076006

Cite this

@article{c231d840d1404da09abbcd0a64ac428a,

title = "Next-to-leading-logarithmic power corrections for N -jettiness subtraction in color-singlet production",

abstract = "We present a detailed derivation of the power corrections to the factorization theorem for the 0-jettiness event shape variable T. Our calculation is performed directly in QCD without using the formalism of effective field theory. We analytically calculate the next-to-leading logarithmic power corrections for small T at next-to-leading order in the strong coupling constant, extending previous computations which obtained only the leading-logarithmic power corrections. We address a discrepancy in the literature between results for the leading-logarithmic power corrections to a particular definition of 0-jettiness. We present a numerical study of the power corrections in the context of their application to the N-jettiness subtraction method for higher-order calculations, using gluon-fusion Higgs production as an example. The inclusion of the next-to-leading-logarithmic power corrections further improves the numerical efficiency of the approach beyond the improvement obtained from the leading-logarithmic power corrections.",

author = "Radja Boughezal and Andrea Isgr{\`o} and Petriello, \{Francis John\}",

note = "Funding Information: R. B. is supported by the Department of Energy (DOE) under Contract No. DE-AC02-06CH11357. F. P. is supported by the DOE Grants No. DE-FG02-91ER40684 and No. DE-AC02-06CH11357. A. I. is supported by the DOE Grant No. DE-FG02-91ER40684 and the National Science Foundation (NSF) Grant No. NSF-1520916. This research used resources of the Argonne Leadership Computing Facility, which is a DOE Office of Science User Facility supported under Contract No. DE-AC02-06CH11357. R. B. and F. P. thank the Aspen Center for Physics and the Perimeter Institute for kind hospitality during the course of this work. This research was supported in part by Perimeter Institute for Theoretical Physics. Research at Perimeter Institute is supported by the Government of Canada through Industry Canada and by the Province of Ontario through the Ministry of Economics Development and Innovation. Publisher Copyright: {\textcopyright} 2018 authors. Published by the American Physical Society. Published by the American Physical Society under the terms of the »https://creativecommons.org/licenses/by/4.0/» Creative Commons Attribution 4.0 International license. Further distribution of this work must maintain attribution to the author(s) and the published article's title, journal citation, and DOI. Funded by SCOAP.",

year = "2018",

month = apr,

day = "1",

doi = "10.1103/PhysRevD.97.076006",

language = "English (US)",

volume = "97",

journal = "Physical Review D",

issn = "2470-0010",

publisher = "American Physical Society",

number = "7",

}

TY - JOUR

T1 - Next-to-leading-logarithmic power corrections for N -jettiness subtraction in color-singlet production

AU - Boughezal, Radja

AU - Isgrò, Andrea

AU - Petriello, Francis John

N1 - Funding Information: R. B. is supported by the Department of Energy (DOE) under Contract No. DE-AC02-06CH11357. F. P. is supported by the DOE Grants No. DE-FG02-91ER40684 and No. DE-AC02-06CH11357. A. I. is supported by the DOE Grant No. DE-FG02-91ER40684 and the National Science Foundation (NSF) Grant No. NSF-1520916. This research used resources of the Argonne Leadership Computing Facility, which is a DOE Office of Science User Facility supported under Contract No. DE-AC02-06CH11357. R. B. and F. P. thank the Aspen Center for Physics and the Perimeter Institute for kind hospitality during the course of this work. This research was supported in part by Perimeter Institute for Theoretical Physics. Research at Perimeter Institute is supported by the Government of Canada through Industry Canada and by the Province of Ontario through the Ministry of Economics Development and Innovation. Publisher Copyright: © 2018 authors. Published by the American Physical Society. Published by the American Physical Society under the terms of the »https://creativecommons.org/licenses/by/4.0/» Creative Commons Attribution 4.0 International license. Further distribution of this work must maintain attribution to the author(s) and the published article's title, journal citation, and DOI. Funded by SCOAP.

PY - 2018/4/1

Y1 - 2018/4/1

N2 - We present a detailed derivation of the power corrections to the factorization theorem for the 0-jettiness event shape variable T. Our calculation is performed directly in QCD without using the formalism of effective field theory. We analytically calculate the next-to-leading logarithmic power corrections for small T at next-to-leading order in the strong coupling constant, extending previous computations which obtained only the leading-logarithmic power corrections. We address a discrepancy in the literature between results for the leading-logarithmic power corrections to a particular definition of 0-jettiness. We present a numerical study of the power corrections in the context of their application to the N-jettiness subtraction method for higher-order calculations, using gluon-fusion Higgs production as an example. The inclusion of the next-to-leading-logarithmic power corrections further improves the numerical efficiency of the approach beyond the improvement obtained from the leading-logarithmic power corrections.

AB - We present a detailed derivation of the power corrections to the factorization theorem for the 0-jettiness event shape variable T. Our calculation is performed directly in QCD without using the formalism of effective field theory. We analytically calculate the next-to-leading logarithmic power corrections for small T at next-to-leading order in the strong coupling constant, extending previous computations which obtained only the leading-logarithmic power corrections. We address a discrepancy in the literature between results for the leading-logarithmic power corrections to a particular definition of 0-jettiness. We present a numerical study of the power corrections in the context of their application to the N-jettiness subtraction method for higher-order calculations, using gluon-fusion Higgs production as an example. The inclusion of the next-to-leading-logarithmic power corrections further improves the numerical efficiency of the approach beyond the improvement obtained from the leading-logarithmic power corrections.

UR - https://www.scopus.com/pages/publications/85046736733

UR - https://www.scopus.com/inward/citedby.url?scp=85046736733&partnerID=8YFLogxK

U2 - 10.1103/PhysRevD.97.076006

DO - 10.1103/PhysRevD.97.076006

M3 - Article

AN - SCOPUS:85046736733

SN - 2470-0010

VL - 97

JO - Physical Review D

JF - Physical Review D

IS - 7

M1 - 073008

ER -

Next-to-leading-logarithmic power corrections for N -jettiness subtraction in color-singlet production

Abstract

Funding

ASJC Scopus subject areas

Access to Document

Other files and links

Fingerprint

Cite this