Hard Exclusive Electroproduction of Vector Mesons at HERMES

被引：0
|
作者：
Augustyniak, W. [1 ]
机构：
[1] Soltan Inst Nucl Studies, PL-00681 Warsaw, Poland
来源：
19TH PARTICLES AND NUCLEI INTERNATIONAL CONFERENCE (PANIC11) | 2012年 / 1441卷
关键词：
vector meson; helicity amplitude; SDME; GPD; SCHC;
D O I：
10.1063/1.3700491
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Exclusive production of vector mesons was studied with the HERMES spectrometer at the DESY laboratory by scattering 27.6 GeV longitudinally polarized electrons or positrons off unpolarized hydrogen and deuterium as well as off transversely polarized hydrogen internal targets. Results of the measurements of the Spin Density Matrix Elements ( SDMEs) for rho(0) and phi, the ratios of helicity amplitudes for rho(0) on unpolarized H and D targets as well as of the transverse target spin asymmetry (A(UT)) for omega and phi production on a transversely polarized H target will be reported.
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页码：126 / 130
页数：5
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