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Title: 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:
 [1]; ORCiD logo [2];  [3]
  1. Argonne National Lab. (ANL), Argonne, IL (United States). High Energy Physics Division
  2. 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
  3. 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}
}

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