PHOTOPRODUCTION AND ELECTROPRODUCTION OF NONSTRANGE BARYON RESONANCES IN THE RELATIVIZED QUARK-MODEL

被引：259

作者：

CAPSTICK, S

机构：

[1] Continuous Electron Beam Accelerator Facility, Newport News, VA 23606

来源：

PHYSICAL REVIEW D | 1992年 / 46卷 / 07期

关键词：

D O I：

10.1103/PhysRevD.46.2864

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

Photoproduction amplitudes for the nonstrange baryons are calculated in a quark model with an electromagnetic transition operator containing relativistic corrections, and relativized-quark-model wave functions. A one-parameter fit to the photocouplings shows significant improvements over models using the nonrelativistic transition operator or nonrelativistic wave functions. Helicity asymmetries and other ratios in the electroproduction of some low-lying resonances are also predicted.

引用

页码：2864 / 2881

页数：18

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