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首页> 外文期刊>Nuclear Physics, A: Journal Devoted to the Experimental Study of the Fundamental Constituents of Matter and Their Actions >ANALYSING POWER PUZZLE OF P+LI-6 SCATTERING - CONSISTENT ANALYSIS WITH DENSITY AND MOMENTUM DEPENDENT FINITE RANGE EFFECTIVE INTERACTION
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ANALYSING POWER PUZZLE OF P+LI-6 SCATTERING - CONSISTENT ANALYSIS WITH DENSITY AND MOMENTUM DEPENDENT FINITE RANGE EFFECTIVE INTERACTION

机译：P + LI-6散射的解析力拼图-密度和动量相关有限范围有效相互作用的一致性分析

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The p+Li-6 angular distribution data at E(p) = 10-136 MeV for both the ground state (1(+)) and the first excited state (3(1)(+)) of Li-6 are analysed with a density and momentum dependent finite range effective interaction (SBM) in a single folding model. For the polarised incident protons at E(p) = 10, 49.75, 65 and 80 MeV, the analyses of the analysing power data are also carried out. For comparison, analyses with the density independent M3Y interaction and pure phenomenological potential are presented. The transition densities are computed from the Li-6(e,e') data in the Fourier-Bessel series expansion method. The SBM potential along with these experimental density profiles of Li-6 gives a reasonable description of both the cross section and the analysing power data. In a coupled channel calculation, the effect of coupling the ground state to the 3(1)(+) resonant state of Li-6 is found to be important at E(p) = 10 and 24 MeV. The effect of this coupling becomes less significant at higher incident energies where the simple one step distorted wave Born approximation calculations fit the measured cross section data. The puzzling discrepancy observed in the previous analyses of the analysing power data is greatly reduced by the use of the SBM interaction. [References: 28]
机译：分析了Li-6的基态（1（+））和第一激发态（3（1）（+））在E（p）= 10-136 MeV时的p + Li-6角分布数据在单个折叠模型中具有依赖于密度和动量的有限范围有效相互作用（SBM）。对于E（p）= 10、49.75、65和80 MeV的极化入射质子，还对分析能力数据进行了分析。为了进行比较，提出了与密度无关的M3Y相互作用和纯现象学潜力的分析。用傅立叶-贝塞尔级数展开法从Li-6（e，e'）数据计算跃迁密度。 SBM电位以及Li-6的这些实验密度分布图给出了横截面和分析功率数据的合理描述。在耦合通道计算中，发现在E（p）= 10和24 MeV时，将基态耦合到Li-6的3（1）（+）共振态的影响很重要。这种耦合的影响在较高的入射能量处变得不那么显着，在这种情况下，简单的一步失真波伯恩近似计算就可以拟合所测得的横截面数据。通过使用SBM交互，可以大大减少先前分析功率数据的分析中观察到的令人困惑的差异。 [参考：28]

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