Diffractive production of jets and weak bosons and tests of hard-scattering factorization

被引：94

作者：

Alvero, L

Collins, JC

Terron, J

Whitmore, JJ

机构：

[1] Penn State Univ, Dept Phys, University Pk, PA 16802 USA

[2] Univ Autonoma Madrid, Dept Fis Teor, Madrid, Spain

来源：

PHYSICAL REVIEW D | 1999年 / 59卷 / 07期

关键词：

D O I：

10.1103/PhysRevD.59.074022

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We extract diffractive parton densities from data on diffractive deep inelastic scattering (DIS) and on diffractive photoproduction of jets. We explore the results of several Ansatze for the functional form of the parton densities. Then we use the fitted parton densities to predict the diffractive production of jets and of W's and Z's in p (p) over bar collisions at the Fermilab Tevatron. To fit the photoproduction data requires a large gluon density in the Pomeron. The predictions for the Tevatron cross sections are substantially higher than data; this signals a breakdown of hard-scattering factorization in diffractive hadron-hadron collisions. [S0556-2821(99)00309-4].

引用

页码：1 / 17

页数：17

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