Comparison between global phenomenological and microscopic optical potentials for proton as projectile below 100 MeV

LI Xiao-Hua; LIANG Chun-Tian; CAI Chong-Hai

doi:10.1088/1674-1137/33/6/003

Chinese Physics C> 2009, Vol. 33> Issue(6) : 415-422 DOI: 10.1088/1674-1137/33/6/003

Comparison between global phenomenological and microscopic optical potentials for proton as projectile below 100 MeV

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Abstract：
For 112 target nuclei (52 elements) with proton as projectile, we calculate the reaction cross sections and elastic scattering angular distributions, as well as the χ² values for 16 kinds of proton optical model potentials: two sets of phenomenological global optical potentials and the microscopic optical potentials proposed by Shen et al for 14 sets of Skyrme force parameters: GS1-6, SBJS, SKM, SGI-Ⅱ, SKa-b, SG0I-Ⅱ. We find that for obtaining the proton microscopic optical potential based on the nuclear matter approach with Skyrme force, SGI, SKa and SKb are the three sets of optimal Skyrme force parameters.

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LI Xiao-Hua, LIANG Chun-Tian and CAI Chong-Hai. Comparison between global phenomenological and microscopic optical potentials for proton as projectile below 100 MeV[J]. Chinese Physics C, 2009, 33(6): 415-422. doi: 10.1088/1674-1137/33/6/003

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Received: 2008-09-22
Revised: 2008-12-09

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沈阳化工大学材料科学与工程学院沈阳 110142

Comparison between global phenomenological and microscopic optical potentials for proton as projectile below 100 MeV

Corresponding author: LI Xiao-Hua,

Received Date: 2008-09-22
Accepted Date: 2008-12-09
Available Online: 2009-06-05

Abstract:

For 112 target nuclei (52 elements) with proton as projectile, we calculate the reaction cross sections and elastic scattering angular distributions, as well as the χ² values for 16 kinds of proton optical model potentials: two sets of phenomenological global optical potentials and the microscopic optical potentials proposed by Shen et al for 14 sets of Skyrme force parameters: GS1-6, SBJS, SKM, SGI-Ⅱ, SKa-b, SG0I-Ⅱ. We find that for obtaining the proton microscopic optical potential based on the nuclear matter approach with Skyrme force, SGI, SKa and SKb are the three sets of optimal Skyrme force parameters.