Exclusive vector photoproduction: confirmation of Regge theory

被引：60

作者：

Donnachie, A ^{[1
]}

Landshoff, PV

机构：

[1] Univ Manchester, Dept Phys, Manchester M13 9PL, Lancs, England

[2] Univ Cambridge, DAMTP, Cambridge, England

来源：

PHYSICS LETTERS B | 2000年 / 478卷 / 1-3期

关键词：

D O I：

10.1016/S0370-2693(00)00194-5

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

Recent small-t ZEUS data for exclusive rho photoproduction are in excellent agreement with exchange of the classical soft pomeron with slope alpha' = 0.25 GeV-2. Adding in a flavour-blind hard-pomeron contribution, whose magnitude is calculated from the data for exclusive J/psi photoproduction, gives a good fit also to the ZEUS data for rho photoproduction at larger values of t. and to phi photoproduction. (C) 2000 Elsevier Science B.V. All rights reserved.

引用

页码：146 / 150

页数：5

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