Coherent π0-Photoproduction From the Deuteron Near Threshold

被引：3
|
作者：
Darwish, E. M. [1 ,2 ]
Mahrous, E. M. [1 ]
Alsehli, M. E. [1 ]
机构：
[1] Taibah Univ, Fac Sci, Phys Dept, POB 30002, Medina, Saudi Arabia
[2] Sohag Univ, Fac Sci, Phys Dept, Sohag 82524, Egypt
来源：
SIXTH SAUDI INTERNATIONAL MEETING ON FRONTIERS OF PHYSICS 2018 (SIMFP2018) | 2018年 / 1976卷
关键词：
D O I：
10.1063/1.5042402
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
Coherent photoproduction of pi(0)-meson from the deuteron near pi(0)-production threshold is investigated with special emphasize on single polarization observables. We report numerical results for the linear photon asymmetry Sigma and tensor deuteron spin asymmetries T-2M (M=0,1,2). The sensitivity of obtained results to the D-state contribution in the deuteron wave function of realistic NN potentials is studied. It is shown that the influence of D-state contribution on the predicted spin observables is sizable, and it provides important constraints for the extraction of the elementary neutron amplitude. Compared with the experimental data from TAPS collaboration for differential cross section, we obtain a satisfactory agreement.
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页数：4
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