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Analyzing power of n-3He elastic scattering from 1 to 2 MeV

Institution:	1. MOE Key Laboratory of Protein Sciences, School of Life Sciences, Tsinghua University, Beijing 100084, China;2. Joint Graduate Program of Peking-Tsinghua-NIBS, School of Life Sciences, Tsinghua University, Beijing 100084, China;3. The State Key Laboratory of Membrane Biology, Tsinghua-Peking Center for Life Sciences, School of Life Sciences, Tsinghua University, Beijing 100084, China;4. Key Laboratory of Bioinformatics and the Center of Biomedical Analysis, School of Life Sciences, Tsinghua University, Beijing 100084, China;5. Center for Stem Cell Biology and Regenerative Medicine, MOE Key Laboratory of Bioinformatics, THU-PKU Center for Life Sciences, School of Life Sciences, Beijing 100084, China;6. Department of Basic Medical Sciences, Tsinghua-Peking Center for Life Sciences, School of Medicine, Tsinghua University, Beijing 100084, China;7. Cancer Biology and Genetics Program, Memorial Sloan-Kettering Cancer Center, New York, NY 10065, USA

Abstract:	Measurements of the analyzing power A_y of the elastic n-³He scattering in the energy range from 0.95 to 2.0 MeV are reported. These results improve considerably the precision of the data base in the low energy domain. Recent R-matrix predictions are used as starting parameters in phase-shift analyses. The comparison with p-³H and p-³He data at nearby energies reveals the importance of Coulomb effects at these low energies and of the isospin structure of the A = 4 system.

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