Power corrections in the N -jettiness subtraction scheme
Abstract
We discuss the leading-logarithmic power corrections in the N-jettiness subtraction scheme for higher-order perturbative QCD calculations. We compute the next-to-leading order power corrections for an arbitrary N-jet process, and we explicitly calculate the power correction through next-to-next-to-leading order for color-singlet production for both $$q\bar{q}$$ and gg initiated processes. Our results are compact and simple to implement numerically. Including the leading power correction in the N-jettiness subtraction scheme substantially improves its numerical efficiency. Finally, we discuss what features of our techniques extend to processes containing final-state jets.
- Authors:
-
- Argonne National Lab. (ANL), Argonne, IL (United States). High Energy Physics Division
- Beijing Normal Univ., Beijing (China). Dept. of Physics; Beijing Normal Univ., Beijing (China). Center of Advanced Quantum Studies; Peking Univ., Beijing (China). Center for High-Energy Physics; Univ. of Maryland, College Park, MD (United States). Maryland Center for Fundamental Physics
- Northwestern Univ., Evanston, IL (United States). Dept. of Physics & Astronomy; Argonne National Lab. (ANL), Argonne, IL (United States). High Energy Physics Division
- Publication Date:
- Research Org.:
- Argonne National Laboratory (ANL), Argonne, IL (United States)
- Sponsoring Org.:
- National Science Foundation (NSF); USDOE Office of Science (SC), High Energy Physics (HEP)
- OSTI Identifier:
- 1395311
- Grant/Contract Number:
- AC02-06CH11357; FG02-91ER40684; NSF PHY11-25915
- 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: 2017; Journal Issue: 3; Journal ID: ISSN 1029-8479
- Publisher:
- Springer Berlin
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 71 CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS
Citation Formats
Boughezal, Radja, Liu, Xiaohui, and Petriello, Frank. Power corrections in the N -jettiness subtraction scheme. United States: N. p., 2017.
Web. doi:10.1007/JHEP03(2017)160.
Boughezal, Radja, Liu, Xiaohui, & Petriello, Frank. Power corrections in the N -jettiness subtraction scheme. United States. https://doi.org/10.1007/JHEP03(2017)160
Boughezal, Radja, Liu, Xiaohui, and Petriello, Frank. Thu .
"Power corrections in the N -jettiness subtraction scheme". United States. https://doi.org/10.1007/JHEP03(2017)160. https://www.osti.gov/servlets/purl/1395311.
@article{osti_1395311,
title = {Power corrections in the N -jettiness subtraction scheme},
author = {Boughezal, Radja and Liu, Xiaohui and Petriello, Frank},
abstractNote = {We discuss the leading-logarithmic power corrections in the N-jettiness subtraction scheme for higher-order perturbative QCD calculations. We compute the next-to-leading order power corrections for an arbitrary N-jet process, and we explicitly calculate the power correction through next-to-next-to-leading order for color-singlet production for both $q\bar{q}$ and gg initiated processes. Our results are compact and simple to implement numerically. Including the leading power correction in the N-jettiness subtraction scheme substantially improves its numerical efficiency. Finally, we discuss what features of our techniques extend to processes containing final-state jets.},
doi = {10.1007/JHEP03(2017)160},
journal = {Journal of High Energy Physics (Online)},
number = 3,
volume = 2017,
place = {United States},
year = {Thu Mar 30 00:00:00 EDT 2017},
month = {Thu Mar 30 00:00:00 EDT 2017}
}
Web of Science
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