Analyzing Power in Elastic Scattering of Polarized Protons from Neutron-rich Helium Isotopes

The vector analyzing power has been measured for the elastic scattering of neutron-rich 6 He from polarized protons at 71 MeV/nucleon. Two approaches based on local one-body potentials were applied to investigate the spin-orbit interaction between a proton and a 6 He nucleus. An optical model analys...

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Bibliographic Details
Published in:Few-body systems 2013-08, Vol.54 (7-10), p.1393-1398
Main Authors: Sakaguchi, S., Iseri, Y., Uesaka, T., Tanifuji, M., Aoi, N., Hiyama, E., Ichikawa, Y., Ishikawa, S., Itoh, K., Itoh, M., Iwasaki, H., Kawabata, T., Kawahara, T., Kuboki, H., Maeda, Y., Nakao, T., Okamura, H., Sakai, H., Sasamoto, Y., Sasano, M., Satou, Y., Sekiguchi, K., Suda, K., Suzuki, D., Tamii, A., Wakui, T., Yako, K., Yamaguchi, M., Yamamoto, Y.
Format: Article
Language:English
Subjects:
Atomic
Clusters
Hadrons
Heavy Ions
Helium
Isotopes
Molecular
Nuclear Physics
Optical and Plasma Physics
Particle and Nuclear Physics
Particle physics
Physics
Physics and Astronomy
Protons
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Summary:The vector analyzing power has been measured for the elastic scattering of neutron-rich 6 He from polarized protons at 71 MeV/nucleon. Two approaches based on local one-body potentials were applied to investigate the spin-orbit interaction between a proton and a 6 He nucleus. An optical model analysis revealed that the spin-orbit potential for 6 He is characterized by a shallow and long-ranged shape compared with the global systematics of stable nuclei. A semi-microscopic analysis with a α +  n + n cluster folding model suggests that the inclusion of realistic interaction between a proton and the α core is important in describing the p - 6 He elastic scattering.
ISSN:0177-7963
1432-5411
DOI:10.1007/s00601-013-0617-1