NUCLEON TRAJECTORY DEGENERACY IN BACKWARD PHOTOPRODUCTION

被引：19

作者：

BARGER, V

WEILER, P

机构：

[1] Department of Physics, University of Wisconsin, Madison

来源：

PHYSICS LETTERS B | 1969年 / B 30卷 / 02期

关键词：

D O I：

10.1016/0370-2693(69)90410-9

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

New backward scattering data on γp → π0p and γp → π+n are fitted with Nα, Nγ and Δδ Regge exchanges. We find an Nα - Nγ trajectory degeneracy and residues β (Nγ) ≈ 0.6 β (Nα). The Δδ exchange amplitude dominates at large u, while the Nα - Nγ contribution plays a prominent role at small u. © 1969.

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页码：105 / &

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