Jet Quenching in the Hadron Gas: An Exploratory Study - INSPIRE

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Jet Quenching in the Hadron Gas: An Exploratory Study

Philipp Dorau
(
- Frankfurt U.
)
,
Jean-Bernard Rose
(
- Frankfurt U. and
- Frankfurt U., FIAS
)
,
Daniel Pablos
(
- Bergen U.
)
,
Hannah Elfner
(
- Darmstadt, GSI and
- Frankfurt U.
)

Oct 15, 2019

7 pages

Published in:

Phys.Rev.C 101 (2020) 3, 035208

Published: Mar 19, 2020

e-Print:

1910.07027 [nucl-th]

DOI:

10.1103/PhysRevC.101.035208

View in:

reference search22 citations

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Abstract: (APS)

The suppression of high-momentum particles in heavy-ion collisions in comparison to elementary reactions is one of the main indications for the formation of a quark-gluon plasma. In recent studies, full jets are being reconstructed and substructure observables are gaining importance in assessing the medium modifications of hard probes. In this work, the effect of the late-stage hadronic interactions are explored within the hadronic transport approach simulating many accelerated strongly-interacting hadrons. High-momentum particles are incorporated in a radially expanding hadron gas to analyze the corresponding angular distributions, also refered to as “jet shape” observables. We find that for such an observable the full hadron gas can be approximated with a pion gas with constant elastic cross sections of 100 mb. In addition, the temperature and probe energy dependence of diffusion coefficients q̃ and ẽ quantifying the transverse and parallel momentum transfers are extracted. The species dependence and the importance of different interaction types are investigated. Parametrizations are presented that can be employed in future jet quenching calculations to include the effect of the hadronic phase.

Note:

8 pages, 5 figures

Hadronic Physics and QCD
hadron: gas
jet: quenching
momentum: high
effect: hadronic
pi: gas
quark gluon: plasma
matter: effect
heavy ion: scattering
angular distribution

References(33)

Figures(12)

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