Large longitudinal spin alignment generated in inelastic nuclear reactions

被引:3
|
作者
Hoff, D. E. M. [1 ,2 ]
Potel, G. [3 ]
Brown, K. W. [1 ,2 ,5 ,6 ]
Charity, R. J. [1 ,2 ]
Pruitt, C. D. [1 ,2 ]
Sobotka, L. G. [1 ,2 ]
Webb, T. B. [1 ,2 ]
Roeder, B. [4 ]
Saastamoinen, A. [4 ]
机构
[1] Washington Univ, Dept Chem, St Louis, MO 63130 USA
[2] Washington Univ, Dept Phys, St Louis, MO 63130 USA
[3] Michigan State Univ, Natl Superconducting Cyclotron Lab, E Lansing, MI 48824 USA
[4] Texas A&M Univ, Cyclotron Inst, College Stn, TX 77840 USA
[5] Michigan State Univ, Dept Phys, Natl Superconducting Cyclotron Lab, E Lansing, MI 48824 USA
[6] Michigan State Univ, Dept Astron, E Lansing, MI 48824 USA
基金
美国国家科学基金会;
关键词
ANGULAR-CORRELATIONS; SCATTERING; C-12; FRAGMENTATION; C-12+C-12;
D O I
10.1103/PhysRevC.97.054605
中图分类号
O57 [原子核物理学、高能物理学];
学科分类号
070202 ;
摘要
Large longitudinal spin alignment of E/A = 24MeV Li-7 projectiles inelastically excited by Be, C, and Al targets was observed when the latter remain in their ground state. This alignment is a consequence of an angular-momentum-excitation-energy mismatch, which is well described by a DWBA cluster-model (alpha + t). The longitudinal alignment of several other systems is also well described by DWBA calculations, including one where a cluster model is inappropriate, demonstrating that the alignment mechanism is a more general phenomenon. Predictions are made for inelastic excitation of C-12 for beam energies above and below the mismatch threshold.
引用
收藏
页数:11
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