Dynamical grooming of QCD jets
Abstract
We propose a new class of infrared-collinear (IRC) and Sudakov safe observables with an associ-ated jet grooming technique that removes dynamically soft and large angle branches. It is based onidentifying thehardestbranch in the Cambridge/Aachen re-clustering sequence and discarding priorsplittings that occur at larger angles. This leads to a dynamically generated cut-off on the phase spaceof the tagged splitting that is encoded in a Sudakov form factor. In this exploratory study we focus onthe mass and momentum sharing distributions of the tagged splitting which we analyze analyticallyto modified leading logarithmic accuracy and compare to Monte-Carlo simulations
- Publication Date:
- Research Org.:
- Brookhaven National Lab. (BNL), Upton, NY (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC), Nuclear Physics (NP) (SC-26)
- OSTI Identifier:
- 1598077
- Alternate Identifier(s):
- OSTI ID: 1601766
- Report Number(s):
- BNL-213657-2020-JAAM
Journal ID: ISSN 2470-0010; PRVDAQ; 034004
- Grant/Contract Number:
- SC0012704
- Resource Type:
- Published Article
- Journal Name:
- Physical Review D
- Additional Journal Information:
- Journal Name: Physical Review D Journal Volume: 101 Journal Issue: 3; Journal ID: ISSN 2470-0010
- Publisher:
- American Physical Society
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 73 NUCLEAR PHYSICS AND RADIATION PHYSICS
Citation Formats
Mehtar-Tani, Yacine, Soto-Ontoso, Alba, and Tywoniuk, Konrad. Dynamical grooming of QCD jets. United States: N. p., 2020.
Web. doi:10.1103/PhysRevD.101.034004.
Mehtar-Tani, Yacine, Soto-Ontoso, Alba, & Tywoniuk, Konrad. Dynamical grooming of QCD jets. United States. doi:10.1103/PhysRevD.101.034004.
Mehtar-Tani, Yacine, Soto-Ontoso, Alba, and Tywoniuk, Konrad. Thu .
"Dynamical grooming of QCD jets". United States. doi:10.1103/PhysRevD.101.034004.
@article{osti_1598077,
title = {Dynamical grooming of QCD jets},
author = {Mehtar-Tani, Yacine and Soto-Ontoso, Alba and Tywoniuk, Konrad},
abstractNote = {We propose a new class of infrared-collinear (IRC) and Sudakov safe observables with an associ-ated jet grooming technique that removes dynamically soft and large angle branches. It is based onidentifying thehardestbranch in the Cambridge/Aachen re-clustering sequence and discarding priorsplittings that occur at larger angles. This leads to a dynamically generated cut-off on the phase spaceof the tagged splitting that is encoded in a Sudakov form factor. In this exploratory study we focus onthe mass and momentum sharing distributions of the tagged splitting which we analyze analyticallyto modified leading logarithmic accuracy and compare to Monte-Carlo simulations},
doi = {10.1103/PhysRevD.101.034004},
journal = {Physical Review D},
number = 3,
volume = 101,
place = {United States},
year = {2020},
month = {2}
}
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Publisher's Version of Record
DOI: 10.1103/PhysRevD.101.034004
DOI: 10.1103/PhysRevD.101.034004
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