Polarization transfer in 4He((e)over-right-arrow, (e)over-right-arrow′ (p)over-right-arrow) and 16O((e)over-right-arrow, (e)over-right-arrow′ (p)over-right-arrow) in a relativistic Glauber model -: art. no. 014605

被引:11
|
作者
Lava, P
Ryckebusch, J
Van Overmeire, B
Strauch, S
机构
[1] Univ Ghent, Dept Subatom & Radiat Phys, B-9000 Ghent, Belgium
[2] George Washington Univ, Dept Phys, Washington, DC 20052 USA
来源
PHYSICAL REVIEW C | 2005年 / 71卷 / 01期
关键词
D O I
10.1103/PhysRevC.71.014605
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
Polarization-transfer components for He-4(e(-->),e(')p(-->))H-3 and O-16(e(-->),e'p(-->))N-15 are computed within the relativistic multiple-scattering Glauber approximation (RMSGA). The RMSGA framework adopts relativistic single-particle wave functions and electron-nucleon couplings. The predictions closely match those of a relativistic plane-wave model indicating the smallness of the final-state interactions for polarization-transfer components. Also short-range correlations play a modest role for the studied observables, as long as small proton missing momenta are probed in quasielastic kinematics. The predictions with free and various parametrizations for the medium-modified electromagnetic form factors are compared to the world data.
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页数:10
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