Chin. Phys. Lett.  2014, Vol. 31 Issue (05): 052401    DOI: 10.1088/0256-307X/31/5/052401
NUCLEAR PHYSICS |
Notch Test for Radial Sensitivity on Neutron Density Distribution in 48Ca Probed by α-Particle Elastic Scattering
ZHANG Xiao-Fu1, PANG Dan-Yang1,2**
1School of Physics and Nuclear Energy Engineering, Beihang University, Beijing 100191
2International Research Center for Nuclei and Particles in the Cosmos, Beihang University, Beijing 100191
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ZHANG Xiao-Fu, PANG Dan-Yang 2014 Chin. Phys. Lett. 31 052401
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Abstract Notch tests are made to study the sensitive regions in the neutron density distribution in the ground state of 48Ca probed by the angular distributions of differential cross sections of α-particle elastic scattering at 104 MeV with optical model potentials calculated by using a systematic single-folding model. An improved notch scheme is proposed, which perturbs the neutron density distribution of the target nucleus locally. Results of the notch tests show that the angular distribution of differential cross sections for α particle elastic scattering at 104 MeV only probe the surface of the neutron density distribution in 48Ca.
Published: 24 April 2014
PACS:  24.10.Ht (Optical and diffraction models)  
  24.50.+g (Direct reactions)  
  25.55.-e (3H-, 3He-, and 4He-induced reactions)  
  25.70.Bc (Elastic and quasielastic scattering)  
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https://cpl.iphy.ac.cn/10.1088/0256-307X/31/5/052401       OR      https://cpl.iphy.ac.cn/Y2014/V31/I05/052401
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ZHANG Xiao-Fu
PANG Dan-Yang
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