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Neutron density distributions of neutron-rich nuclei studied with the isobaric yield ratio difference

  • Regular Article - Theoretical Physics
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Abstract

The isobaric yield ratio difference (IBD) between two reactions of similar experimental setups is found to be sensitive to nuclear density differences between projectiles. In this article, the IBD probe is used to study the density variation in neutron-rich 48Ca . By adjusting diffuseness in the neutron density distribution, three different neutron density distributions of 48Ca are obtained. The yields of fragments in the 80A MeV 40, 48Ca + 12C reactions are calculated by using a modified statistical abrasion-ablation model. It is found that the IBD results obtained from the prefragments are sensitive to the density distribution of the projectile, while the IBD results from the final fragments are less sensitive to the density distribution of the projectile.

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Authors and Affiliations

  1. Institute of Particle and Nuclear Physics, Henan Normal University, 453007, Xinxiang, China

    Chun-Wang Ma, Xiao-Man Bai, Jiao Yu & Hui-Ling Wei

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  1. Chun-Wang Ma
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  2. Xiao-Man Bai
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  3. Jiao Yu
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Correspondence to Chun-Wang Ma.

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Communicated by M. Hjorth-Jensen

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Ma, CW., Bai, XM., Yu, J. et al. Neutron density distributions of neutron-rich nuclei studied with the isobaric yield ratio difference. Eur. Phys. J. A 50, 139 (2014). https://doi.org/10.1140/epja/i2014-14139-1

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