Geometry of vanishing flow: a new probe to determine the in-medium nucleon nucleon cross-section

Details Geometry of vanishing flow: a new probe to determine the in-medium nucleon nucleon cross-section Geometry of vanishing flow: a new probe to determine the in-medium nucleon nucleon cross-section

2010-10-06

arxiv.org/abs/1010.1120v2

Pramana 77:289-295,2011

Physics

Nuclear Physics

Nuclear Theory

Scientific paper

10.1007/s12043-011-0026-2

We study the transverse flow throughout the mass range from $^{20}Ne+^{20}Ne$ to $^{131}Xe+^{131}Xe$ as a function of the impact parameter. We find that at smaller impact parameters the flow is negative while going through the impact parameter, transverse flow vanishes at a particular colliding geometry named GVF. We find that the mass dependence of GVF is insensitive to the equation of state and momentum dependent interactions whereas it is quite sensitive to the cross section. So it can act as a useful tool to pin down the nucleon nucleon cross section.

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