First photo-pion double polarization experiments using polarized (H)over-right-arrow(D)over-right-arrow at LEGS

被引:0
|
作者
Hoblit, S [1 ]
Ardashev, K [1 ]
Bade, C [1 ]
Blecher, M [1 ]
Cacace, C [1 ]
Caracappa, A [1 ]
Cichocki, A [1 ]
Commeaux, C [1 ]
d'Angelo, A [1 ]
Deininger, R [1 ]
Didelez, JP [1 ]
Gibson, C [1 ]
Hicks, K [1 ]
Honig, A [1 ]
Kageya, T [1 ]
Khandaker, M [1 ]
Kistner, O [1 ]
Lehmann, A [1 ]
Lincoln, F [1 ]
Lowry, M [1 ]
Lucas, M [1 ]
Mahon, J [1 ]
Meyer, H [1 ]
Miceli, L [1 ]
Morizzianni, D [1 ]
Norum, B [1 ]
Preedom, BM [1 ]
Saitoh, T [1 ]
Sandorfi, AM [1 ]
di Salvo, R [1 ]
Schaerf, C [1 ]
Thorn, C [1 ]
Wang, K [1 ]
Wei, X [1 ]
Whisnant, CS [1 ]
机构
[1] Brookhaven Natl Lab, Upton, NY 11973 USA
来源
SPIN 2002 | 2003年 / 675卷
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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
We report preliminary results of pi photo-production using polarized gamma beams and a polarized HD target. Four observables can be extracted simultaneously from the data, the cross section, the beam asymmetry Sigma, and the double-polarization observables G and E. The latter determines the GDH sum rule integral.
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收藏
页码:651 / 655
页数:5
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