ULTRAHIGH-ENERGY PHOTONUCLEAR CROSS-SECTIONS

被引：15

作者：

GANDHI, R ^{[1
]}

SARCEVIC, I ^{[1
]}

BURROWS, A ^{[1
]}

DURAND, L ^{[1
]}

PI, H ^{[1
]}

机构：

[1] UNIV WISCONSIN, DEPT PHYS, MADISON, WI 53706 USA

来源：

PHYSICAL REVIEW D | 1990年 / 42卷 / 01期

关键词：

D O I：

10.1103/PhysRevD.42.263

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We present results of calculations of the total inelastic photon-air cross sections at ultrahigh energies (up to 108 GeV in the laboratory) of relevance to on-going cosmic-ray experiments. The calculations take into account the high-energy QCD structure of the photon and are performed for a variety of photon and proton structure functions. The total inelastic photon-air cross section is obtained from the photon-proton jet cross section via an eikonalization procedure using a QCD-based diffractive model. The results are discussed in the context of the apparent excess muon content of air showers associated with point sources. © 1990 The American Physical Society.

引用

页码：263 / 267

页数：5

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