Power corrections in the N -jettiness subtraction scheme
Journal Article
·
· Journal of High Energy Physics (Online)
- 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
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.
- Research Organization:
- Argonne National Laboratory (ANL), Argonne, IL (United States)
- Sponsoring Organization:
- National Science Foundation (NSF); USDOE Office of Science (SC), High Energy Physics (HEP)
- Grant/Contract Number:
- AC02-06CH11357; FG02-91ER40684; NSF PHY11-25915
- OSTI ID:
- 1395311
- Journal Information:
- Journal of High Energy Physics (Online), Vol. 2017, Issue 3; ISSN 1029-8479
- Publisher:
- Springer BerlinCopyright Statement
- Country of Publication:
- United States
- Language:
- English
Cited by: 66 works
Citation information provided by
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