Speaker
Prof.
L Gutay
(Purdue University)
Description
It is shown that de-confinement can be achieved in high multiplicity non jet $\bar{p}p$ collisions at $\sqrt{s}$= 1.8 TeV Fermi National Accelerator Laboratory(FNAL- E735) experiment. In this paper we use the same data but analyze the transverse momentum spectrum in the framework of the clustering of color sources. This frame-work naturally predicts the reduction in the charged particle multiplicity with respect to the value expected from the number of independent strings. The initial temperature and energy density are obtained from the data via the color reduction factor $F(\xi)$ and the associated string density parameter $\xi$. The energy density ($\varepsilon/T^{4}$) $\sim$ 11.5 for $ \langle dN_{c}/d\eta \rangle \sim $ 25.0 is close to the value for 0-10\%
central events in Au+Au collisions at $\sqrt{s_{NN}}$= 200 GeV. The shear viscosity to entropy density ratio($\eta/s$) is $\sim$ 0.2 at the transition temperature of 167 MeV.
Primary author
Prof.
L Gutay
(Purdue University)
Co-authors
Dr
A Hirsch
(Purdue University)
Prof.
C Pajares
(Universidale de Santiago de Compos tela)
Prof.
R Scharenberg
(Purdue university)
Dr
brijesh srivastava
(Purdue University)
