NDLI: Single photons, dileptons and hadrons from relativistic heavy ion collisions and quark-hadron phase transition

Content Provider	Springer Nature Link
Author	Srivastava, Dinesh Kumar
Copyright Year	2001
Abstract	The production of single photons in Pb+Pb collisions at the CERN SPS as measured by the WA98 experiment is analysed. A quark gluon plasma is assumed to be formed initially, which expands, cools, hadronizes, and undergoes freeze-out. A rich hadronic equation of state is used and the transverse expansion of the interacting system is taken into account. The recent estimates of photon production in quark-matter (at two loop level) along with the dominant reactions in the hadronic matter leading to photons are used. About half of the radiated photons are seen to have a thermal origin. The same treatment and the initial conditions provide a very good description to hadronic spectra measured by several groups and the intermediate mass dileptons measured by the NA50 experiment, lending a strong support to the conclusion that quark gluon plasma has been formed in these collisions. Predictions for RHIC and LHC energies are also given.
Starting Page	235
Ending Page	249
Page Count	15
File Format	PDF
ISSN	03044289
Journal	Pramana
Volume Number	57
Issue Number	2-3
e-ISSN	09737111
Language	English
Publisher	Springer India
Publisher Date	2001-01-01
Publisher Place	New Delhi
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Quantum chromodynamics quark-gluon plasma relativistic heavy ion collisions photon dilepton hadron transverse momentum phase transition charm Physics Astronomy Astrophysics
Content Type	Text
Resource Type	Article
Subject	Physics and Astronomy

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