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Large Longitudinal Spin Alignment of Excited Projectiles in Intermediate Energy Inelastic Scattering
D E M Hoff1, R J Charity1, K W Brown1
1Departments of Chemistry and Physics, Washington University, St. Louis, Missouri 63130, USA.
Abstract:
We study the sequential breakup of E/A=24.0 MeV ^{7}Li 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 ^{7}Li 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.
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