Substructure of high-$p_T$ Jets at the LHC - INSPIRE

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Substructure of high- $p_T$ Jets at the LHC

Leandro G. Almeida
(
- YITP, Stony Brook
)
,
Seung J. Lee
(
- YITP, Stony Brook
)
,
Gilad Perez
(
- YITP, Stony Brook
)
,
George F. Sterman
(
- YITP, Stony Brook
)
,
Ilmo Sung
(
- YITP, Stony Brook
)

Jul, 2008

5 pages

Published in:

Phys.Rev.D 79 (2009) 074017

e-Print:

0807.0234 [hep-ph]

DOI:

10.1103/PhysRevD.79.074017

Report number:

YITP-SB-08-31

View in:

ADS Abstract Service

reference search296 citations

Citations per year

Abstract: (arXiv)

We study high-pt jets from QCD and from highly-boosted massive particles such as tops, W, Z and Higgs, and argue that infrared-safe observables can help reduce QCD backgrounds. Jets from QCD are characterized by different patterns of energy flow compared to the products of highly-boosted heavy particle decays, and we employ a variety of jet shapes, observables restricted to energy flow within a jet, to explore this difference. Results from Monte Carlo generators and arguments based on perturbation theory support the discriminating power of the shapes we refer to as planar flow and angularities. We emphasize that for massive jets, these and other observables can be analyzed perturbatively.

Note:

5 pages and 4 figures

p p: inclusive reaction
jet: hadroproduction
transverse momentum: high
event shape analysis
jet: mass
energy flow: planar
top: hadronic decay
gauge boson: hadronic decay
quantum chromodynamics: background
angular distribution

References(28)

Figures(4)

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