Large Longitudinal Spin Alignment of Excited Projectiles in Intermediate Energy Inelastic Scattering

被引：5

作者：

Hoff, D. E. M. ^{[1
,2
]}

Charity, R. J. ^{[1
,2
]}

Brown, K. W. ^{[1
,2
]}

Pruitt, C. D. ^{[1
,2
]}

Sobotka, L. G. ^{[1
,2
]}

Webb, T. B. ^{[1
,2
]}

Potel, G. ^{[3
]}

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

来源：

PHYSICAL REVIEW LETTERS | 2017年 / 119卷 / 23期

关键词：

HEAVY-ION REACTIONS; ANGULAR-MOMENTUM TRANSFER; DECAY; DISTRIBUTIONS; POLARIZATION; COLLISIONS; COULOMB; AU-197;

D O I：

10.1103/PhysRevLett.119.232501

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We study the sequential breakup of E/A = 24.0 MeV Li-7 projectiles excited through inelastic interactions with C, Be, and Al target nuclei. For peripheral events that do not excite the target, we find very large spin alignment of the excited Li-7 projectiles longitudinal to the beam axis. This spin alignment is independent of the target used, and we propose a simple alignment mechanism that arises from an angular-momentum-excitation-energy mismatch. This mechanism is independent of the potential used for scattering and should be present in many scattering experiments.

引用

页数：5

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