Power corrections for N-jettiness subtractions at $$ \mathcal{O}\left({\alpha}_s\right) $$
Abstract
We continue the study of power corrections for N -jettiness subtractions by analytically computing the complete next-to-leading power corrections at O(αs) for colorsinglet production. This includes all nonlogarithmic terms and all partonic channels for Drell-Yan and gluon-fusion Higgs production. These terms are important to further improve the numerical performance of the subtractions, and to better understand the structure of power corrections beyond their leading logarithms, in particular their universality. We emphasize the importance of computing the power corrections differential in both the invariant mass, Q, and rapidity, Y, of the color-singlet system, which is necessary to account for the rapidity dependence in the subtractions. This also clarifies apparent disagreements in the literature. Performing a detailed numerical study, we find excellent agreement of our analytic results with a previous numerical extraction.
- Authors:
-
- Massachusetts Inst. of Technology (MIT), Cambridge, MA (United States). Center for Theoretical Physics
- Univ. of California, Berkeley, CA (United States). Berkeley Center for Theoretical Physics; Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States). Theory Group
- Deutsches Elektronen-Synchrotron (DESY), Hamburg (Germany)
- Zhejiang Univ., Hangzhou (China). Dept. of Physics
- Publication Date:
- Research Org.:
- Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States); Massachusetts Inst. of Technology (MIT), Cambridge, MA (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC), Nuclear Physics (NP); National Science Foundation (NSF)
- OSTI Identifier:
- 1494096
- Alternate Identifier(s):
- OSTI ID: 1635392
- Grant/Contract Number:
- AC02-05CH11231; SC0011090; PHY-1607611
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Journal of High Energy Physics (Online)
- Additional Journal Information:
- Journal Name: Journal of High Energy Physics (Online); Journal Volume: 2018; Journal Issue: 12; Journal ID: ISSN 1029-8479
- Publisher:
- Springer Berlin
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS; QCD phenomenology
Citation Formats
Ebert, Markus A., Moult, Ian, Stewart, Iain W., Tackmann, Frank J., Vita, Gherardo, and Zhu, Hua Xing. Power corrections for N-jettiness subtractions at $ \mathcal{O}\left({\alpha}_s\right) $. United States: N. p., 2018.
Web. doi:10.1007/jhep12(2018)084.
Ebert, Markus A., Moult, Ian, Stewart, Iain W., Tackmann, Frank J., Vita, Gherardo, & Zhu, Hua Xing. Power corrections for N-jettiness subtractions at $ \mathcal{O}\left({\alpha}_s\right) $. United States. https://doi.org/10.1007/jhep12(2018)084
Ebert, Markus A., Moult, Ian, Stewart, Iain W., Tackmann, Frank J., Vita, Gherardo, and Zhu, Hua Xing. Thu .
"Power corrections for N-jettiness subtractions at $ \mathcal{O}\left({\alpha}_s\right) $". United States. https://doi.org/10.1007/jhep12(2018)084. https://www.osti.gov/servlets/purl/1494096.
@article{osti_1494096,
title = {Power corrections for N-jettiness subtractions at $ \mathcal{O}\left({\alpha}_s\right) $},
author = {Ebert, Markus A. and Moult, Ian and Stewart, Iain W. and Tackmann, Frank J. and Vita, Gherardo and Zhu, Hua Xing},
abstractNote = {We continue the study of power corrections for N -jettiness subtractions by analytically computing the complete next-to-leading power corrections at O(αs) for colorsinglet production. This includes all nonlogarithmic terms and all partonic channels for Drell-Yan and gluon-fusion Higgs production. These terms are important to further improve the numerical performance of the subtractions, and to better understand the structure of power corrections beyond their leading logarithms, in particular their universality. We emphasize the importance of computing the power corrections differential in both the invariant mass, Q, and rapidity, Y, of the color-singlet system, which is necessary to account for the rapidity dependence in the subtractions. This also clarifies apparent disagreements in the literature. Performing a detailed numerical study, we find excellent agreement of our analytic results with a previous numerical extraction.},
doi = {10.1007/jhep12(2018)084},
journal = {Journal of High Energy Physics (Online)},
number = 12,
volume = 2018,
place = {United States},
year = {Thu Dec 13 00:00:00 EST 2018},
month = {Thu Dec 13 00:00:00 EST 2018}
}
Web of Science
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