Mach cone induced by $\gamma$-triggered jets in high-energy heavy-ion collisions - INSPIRE

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Mach cone induced by $\gamma$ -triggered jets in high-energy heavy-ion collisions

Hanlin Li
(
- Hua-Zhong Normal U.
)
,
Fuming Liu
(
- Hua-Zhong Normal U.
)
,
Guo-liang Ma
(
- SINAP, Shanghai
)
,
Xin-Nian Wang
(
- Hua-Zhong Normal U. and
- LBL, Berkeley
)
,
Yan Zhu
(
- Hua-Zhong Normal U.
)

Jun, 2010

4 pages

Published in:

Phys.Rev.Lett. 106 (2011) 012301

e-Print:

1006.2893 [nucl-th]

DOI:

10.1103/PhysRevLett.106.012301

View in:

reference search92 citations

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Abstract: (arXiv)

MMedium excitation by jet shower propagation inside a quark-gluon plasma is studied within a linear Boltzmann transport and a multiphase transport model. Contrary to the naive expectation, it is the deflection of both the jet shower and the Mach-cone-like excitation in an expanding medium that is found to gives rise to a double-peak azimuthal particle distribution with respect to the initial jet direction. Such deflection is the strongest for hadron-triggered jets which are often produced close to the surface of dense medium due to trigger-bias and travel against or tangential to the radial flow. Without such trigger bias, the effect of deflection on

\gamma

-jet showers and their medium excitation is weaker. Comparative study of hadron and

\gamma

-triggered particle correlations can therefore reveal the dynamics of jet-induced medium excitation in high-energy heavy-ion collisions.

25.75.Cj
25.75.Bh
25.75.Ld
25.75.-q
quark gluon: plasma
flow: transverse
heavy ion: scattering
dihadron: angular correlation
parton: multiple scattering
Boltzmann equation

References(28)

Figures(5)

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)
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(
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)
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(
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)
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)
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(
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)
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)
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Giorgio Torrieri
(
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)
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)
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)
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(
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)
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(
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)
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Miklos Gyulassy
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