A full next-to-leading order study of direct photon pair production in hadronic collisions

被引：187

作者：

Binoth, T ^{[1
]}

Guillet, JP ^{[1
]}

Pilon, E ^{[1
]}

Werlen, M ^{[1
]}

机构：

[1] Univ Savoie, Lab Annecy Le Vieux Phys Theor, CNRS, UMR 5108, F-74941 Annecy Le Vieux, France

来源：

EUROPEAN PHYSICAL JOURNAL C | 2000年 / 16卷 / 02期

关键词：

D O I：

10.1007/s100520050024

中图分类号：

O412 [相对论、场论]; O572.2 [粒子物理学];

学科分类号：

摘要：

We discuss the production of photon pairs in hadronic collisions, from fixed target to LHC energies. The study which follows is based on a QCD calculation at full next-to-leading order accuracy, including single and double fragmentation contributions, and implemented in the form of a general purpose computer program of "partonic event generator" type. To illustrate the possibilities of this code, we present a comparison with observables measured by the WA70 and DO collaborations, and some predictions for the irreducible background to the search of Higgs bosons at LHC in the channel h --> gamma gamma. We also discuss theoretical scale uncertainties for these predictions, and examine several infrared sensitive situations which deserve further study.

引用

页码：311 / 330

页数：20

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