Jet Reconstruction in Heavy Ion Collisions

Matteo Cacciari; Juan Rojo; Gavin P. Salam; Gregory Soyez

doi:10.1140/epjc/s10052-011-1539-z

Jet Reconstruction in Heavy Ion Collisions

Matteo Cacciari, Juan Rojo, Gavin P. Salam, Gregory Soyez

(Astro)-Particles Physics

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Abstract

We examine the problem of jet reconstruction at heavy-ion colliders using jet-area-based background subtraction tools as provided by FastJet. We use Monte Carlo simulations with and without quenching to study the performance of several jet algorithms, including the option of filtering, under conditions corresponding to RHIC and LHC collisions. We find that most standard algorithms perform well, though the anti-kt and filtered Cambridge/Aachen algorithms have clear advantages in terms of the reconstructed transverse-momentum offset and dispersion.

Original language	English
Article number	1539
Journal	European Physical Journal C. Particles and Fields
Volume	71
DOIs	https://doi.org/10.1140/epjc/s10052-011-1539-z
Publication status	Published - 8 Oct 2010

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31 pages, 17 figures

Keywords

hep-ph

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10.1140/epjc/s10052-011-1539-z

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title = "Jet Reconstruction in Heavy Ion Collisions",

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AU - Cacciari, Matteo

AU - Rojo, Juan

AU - Salam, Gavin P.

AU - Soyez, Gregory

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PY - 2010/10/8

Y1 - 2010/10/8

N2 - We examine the problem of jet reconstruction at heavy-ion colliders using jet-area-based background subtraction tools as provided by FastJet. We use Monte Carlo simulations with and without quenching to study the performance of several jet algorithms, including the option of filtering, under conditions corresponding to RHIC and LHC collisions. We find that most standard algorithms perform well, though the anti-kt and filtered Cambridge/Aachen algorithms have clear advantages in terms of the reconstructed transverse-momentum offset and dispersion.

AB - We examine the problem of jet reconstruction at heavy-ion colliders using jet-area-based background subtraction tools as provided by FastJet. We use Monte Carlo simulations with and without quenching to study the performance of several jet algorithms, including the option of filtering, under conditions corresponding to RHIC and LHC collisions. We find that most standard algorithms perform well, though the anti-kt and filtered Cambridge/Aachen algorithms have clear advantages in terms of the reconstructed transverse-momentum offset and dispersion.

KW - hep-ph

U2 - 10.1140/epjc/s10052-011-1539-z

DO - 10.1140/epjc/s10052-011-1539-z

M3 - Article

SN - 1434-6044

VL - 71

JO - European Physical Journal C. Particles and Fields

JF - European Physical Journal C. Particles and Fields

M1 - 1539

ER -

Jet Reconstruction in Heavy Ion Collisions

Abstract

Bibliographical note

Keywords

UN SDGs

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