Notch Test for Radial Sensitivity on Neutron Density Distribution in <sup>48</sup>Ca Probed by <em>α</em>-Particle Elastic Scattering

doi:10.1088/0256-307X/31/5/052401

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-Yang^1,2**

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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