Isospin dependence of projectile fragmentation and neutron-skin thickness of neutron-rich nuclei

MA Chun-Wang; WANG Shan-Shan

doi:10.1088/1674-1137/35/11/007

Chinese Physics C> 2011, Vol. 35> Issue(11) : 1017-1021 DOI: 10.1088/1674-1137/35/11/007

Isospin dependence of projectile fragmentation and neutron-skin thickness of neutron-rich nuclei

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Abstract：
By investigating the cross section distributions of fragments produced in the 140 A MeV ^40,48Ca+⁹Be and 1 A GeV ^124,136Xe+Pb reactions, the isospin dependence of projectile fragmentation in fragment production is studied. In the framework of the statistical abrasion-ablation model, the 1 A GeV ¹³⁶Xe+²⁰⁸Pb reaction is calculated. By adjusting the diffuseness parameter in neutron density distribution of ¹³⁶Xe, we find the isospin dependence of projectile fragmentation in fragment production is sensitive to the neutron-skin thickness of the projectile nucleus.

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MA Chun-Wang and WANG Shan-Shan. Isospin dependence of projectile fragmentation and neutron-skin thickness of neutron-rich nuclei[J]. Chinese Physics C, 2011, 35(11): 1017-1021. doi: 10.1088/1674-1137/35/11/007

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Received: 2011-02-11
Revised: 2011-06-13

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沈阳化工大学材料科学与工程学院沈阳 110142

Isospin dependence of projectile fragmentation and neutron-skin thickness of neutron-rich nuclei

Received Date: 2011-02-11

Accepted Date: 2011-06-13

Available Online: 2011-11-05

Abstract: By investigating the cross section distributions of fragments produced in the 140 A MeV ^40,48Ca+⁹Be and 1 A GeV ^124,136Xe+Pb reactions, the isospin dependence of projectile fragmentation in fragment production is studied. In the framework of the statistical abrasion-ablation model, the 1 A GeV ¹³⁶Xe+²⁰⁸Pb reaction is calculated. By adjusting the diffuseness parameter in neutron density distribution of ¹³⁶Xe, we find the isospin dependence of projectile fragmentation in fragment production is sensitive to the neutron-skin thickness of the projectile nucleus.

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Isospin dependence of projectile fragmentation and neutron-skin thickness of neutron-rich nuclei

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