Calculating Pull for Non-Singlet Jets
Abstract
The pull vector is a jet observable sensitive to the distribution of soft radiation controlled by the color flow in a collider event. We present calculations to leading order in the soft and collinear limits for the pull vector measured between pairs of jets that do not form a color-singlet dipole. Our calculations are presented within the context of three jets events, on which pull is measured between the two subleading jets. A subset of these calculations can be re-interpreted as a bottom--anti-bottom quark jet pair in a color octet configuration, which can be a background to Higgs production at large boost. We also present a universal expression for the pull distribution in the high-boost and small jet radius limit. This distribution is controlled by color SU(3) quadratic Casimirs that arise from product representations of pairs of QCD jets.
Keywords
Cite
@article{arxiv.1910.02085,
title = {Calculating Pull for Non-Singlet Jets},
author = {Yunjia Bao and Andrew J. Larkoski},
journal= {arXiv preprint arXiv:1910.02085},
year = {2019}
}
Comments
v1: 21 pages (+title page), 6 figures, 1 table, v2: JHEP version, 22 pages (+title page), additional discussion on discrimination power and expected formal accuracy