Nuclear stopping as a probe to in-medium nucleon-nucleon cross-section in intermediate-energy heavy ion collisions - INSPIRE

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Nuclear stopping as a probe to in-medium nucleon-nucleon cross-section in intermediate-energy heavy ion collisions

Jian-Ye Liu
(
)
,
Wen-Jun Guo
(
- Lanzhou, Inst. Modern Phys.
)
,
Shun-Jin Wang
(
)
,
Wei Zuo
(
)
,
Qiang Zhao
(
- Lanzhou, Inst. Modern Phys.
)

Feb, 2001

13 pages

Published in:

Phys.Rev.Lett. 86 (2001) 975

e-Print:

nucl-th/0102023 [nucl-th]

DOI:

10.1103/PhysRevLett.86.975

View in:

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Abstract: (APS)

Using an isospin-dependent quantum molecular dynamics, nuclear stopping in intermediate heavy ion collisions has been studied. The calculation has been done for colliding systems with different neutron-proton ratios in beam energy ranging from 15 MeV/ u to 150 MeV/ u. It is found that, in the energy region from above Fermi energy to 150 MeV/ u, nuclear stopping is very sensitive to the isospin dependence of in-medium nucleon-nucleon cross section, but insensitive to symmetry potential. From this investigation, we propose that nuclear stopping can be used as a new probe to extract the information on the isospin dependence of in-medium nucleon-nucleon cross section in intermediate energy heavy ion collisions.

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