Discovery of jet quenching at RHIC and the opacity of the produced gluon plasma - INSPIRE

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Discovery of jet quenching at RHIC and the opacity of the produced gluon plasma

Apr, 2001

4 pages

Part of Quark matter 2001. Proceedings, 15th International Conference on Ultrarelativistic nucleus nucleus collisions, QM 2001, Stony Brook, USA, January 15-20, 2001

Published in:

Nucl.Phys.A 698 (2002) 631-634

Contribution to:

15th International Conference on Ultrarelativistic Nucleus-Nucleus Collisions (QM2001)

e-Print:

nucl-th/0104035 [nucl-th]

DOI:

10.1016/S0375-9474(01)01445-2

View in:

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Abstract:

The predicted quenching of jets in A+A at RHIC energies has been discovered by STAR and PHENIX in preliminary data reported at this conference. We apply the GLV theory of QCD radiative energy loss to estimate the opacity, L/\lambda_g, of the gluon plasma produced in Au+Au collisions at 130 AGeV. We show that (in contrast to the factor of two Cronin enhancement of \pi^0 found at the SPS by WA98) the factor of 5-8 suppression of p_T \sim 2-4 GeV \pi^0 reported by PHENIX can be accounted for with an effective static plasma opacity L/\lambda_g \approx 3-4.

talk: Stony Brook 2001/01/15
scattering: heavy ion
gold
gluon: hadroproduction
gluon: plasma
plasma: opacity
quantum chromodynamics: perturbation theory
energy loss: energy dependence
gluon: jet
jet: quenching

References(17)

Figures(0)

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