Title of article :
Can shadowing mimic the QCD phase transition?
Author/Authors :
L.V. Bravina، نويسنده , , E.E Zabrodin، نويسنده , , Amand Faessler، نويسنده , , C. Fuchs، نويسنده ,
Issue Information :
روزنامه با شماره پیاپی سال 1999
Abstract :
The directed flow of protons is studied in the quark-gluon string model as a function of the impact parameter for S+S and Pb+Pb reactions at 160 AGeV/c. A significant reduction of the directed flow in midrapidity range, which can lead to the development of the antiflow, is found due to the absorption of early emitted particles by massive spectators (shadowing effect). This effect can mimic the formation of the quark-gluon plasma (QGP). However, in the absorption scenario the antiflow is stronger for the system of light colliding nuclei than for the heavy ones, while in the case of the plasma creation the effect should be opposite.
Keywords :
Shadowing effect , Softening of the equation of state , Quark-gluon string model , Directed flow , Heavy ion collisions
Journal title :
PHYSICS LETTERS B
Journal title :
PHYSICS LETTERS B