Charged K* photoproduction in a Regge model

Charged K* photoproduction in a Regge model
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DOI:
10.1103/physrevc.81.035206
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发表时间:
2009-10
期刊:
影响因子:
3.1
通讯作者:
S. Ozaki;H. Nagahiro;A. Hosaka
S. Ozaki;H. Nagahiro;A. Hosaka
中科院分区:
物理与天体物理2区
文献类型:
--
作者:
S. Ozaki;H. Nagahiro;A. Hosaka

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我们研究了{gamma}p->K*{sup +}{Lambda}反应的Regge方法。对于散射振幅的规范不变性,我们对s通道振幅、接触项振幅以及t通道振幅进行了正则化。我们得到了一个减少的行为的总截面的CLAS的初步数据显示。我们还计算了自旋密度矩阵,并发现我们的Regge模型和以前的费曼(等压线)模型之间的明显差异。
We investigate the {gamma}p->K*{sup +}{Lambda} reaction within a Regge approach. For the gauge invariance of the scattering amplitude, we reggeize the s channel and contact-term amplitudes as well as the t-channel amplitude. We obtain a decreasing behavior of the total cross section as the CLAS's preliminary data show. We also calculate spin density matrices and find clear differences between our Regge model and the previous Feynman (isobar) model.