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arXiv 0710.0769nucl-th
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用变换谐振子基计算四体连续-离散耦合通道

Four-body continuum-discretized coupled-channels calculations using a transformed harmonic oscillator basis

M. Rodríguez-Gallardo, J. M. Arias, J. Gómez-Camacho, R. C. Johnson, A. M. Moro, I. J. Thompson, J. A. Tostevin

摘要:

讨论了弱束缚三体系统与目标的散射问题。一个变换的谐振子基础是用来提供一个适当的离散和有限的基础处理的连续部分的频谱的弹丸。连续离散耦合通道框架用于散射计算。该方法适用于不同的反应,6 He +12 C在229.8 MeV,6 He +64 Zn在10和13.6 MeV,和6 He +208 Pb在22 MeV,由Borromean核6 He诱导。库仑和核与目标的相互作用都被考虑在内。

英文摘要:

The scattering of a weakly bound three-body system by a target is discussed. A transformed harmonic oscillator basis is used to provide an appropriate discrete and finite basis for treating the continuum part of the spectrum of the projectile. The continuum-discretized coupled channels framework is used for the scattering calculations. The formalism is applied to different reactions, 6He+12C at 229.8 MeV, 6He+64Zn at 10 and 13.6 MeV, and 6He+208Pb at 22 MeV, induced by the Borromean nucleus 6He. Both the Coulomb and nuclear interactions with a target are taken into account.

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