Determination of equation of state of quark matter from J / psi and Upsilon suppression at RHIC and LHC - INSPIRE

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Determination of equation of state of quark matter from J / psi and Upsilon suppression at RHIC and LHC

Dipali Pal
(
- Calcutta, VECC
)
,
Binoy Krishna Patra
(
- Calcutta, VECC
)
,
Dinesh Kumar Srivastava
(
- Calcutta, VECC
)

Feb, 2000

19 pages

Published in:

Eur.Phys.J.C 17 (2000) 179-186

e-Print:

hep-ph/0002298 [hep-ph]

DOI:

10.1007/s100520000452

View in:

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Abstract:

The long life-time of the quark-gluon plasma likely to be created in the relativistic heavy ion collisions at RHIC and LHC energies renders it sensitive to the details of the equation of state of the quark-matter. We show that the

p_T

dependence of the survival probability of the directly produced

J/\psi

at RHIC energies and that of the directly produced

\Upsilon

at LHC energies is quite sensitive to the speed of sound in the quark matter, which relates the pressure and the energy density of the plasma. The transverse expansion of the plasma is shown to strongly affect the

J/\psi

suppression at LHC energies.

scattering: heavy ion
J/psi(3100): hadroproduction
Upsilon(9460): hadroproduction
J/psi(3100): yield
Upsilon(9460): yield
quark gluon: plasma
quark: matter
thermodynamics
quarkonium: lifetime
transverse momentum: spectrum

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Figures(12)

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