INELASTIC CROSS-SECTION FOR P-AIR COLLISIONS FROM AIR SHOWER EXPERIMENTS AND TOTAL CROSS-SECTION FOR P-P COLLISIONS UP TO ROOT-S=24 TEV

被引:156
作者
HONDA, M
NAGANO, M
TONWAR, S
KASAHARA, K
HARA, T
HAYASHIDA, N
MATSUBARA, Y
TESHIMA, M
YOSHIDA, S
机构
[1] TATA INST FUNDAMENTAL RES,BOMBAY 400005,INDIA
[2] KANAGAWA UNIV,FAC ENGN,YOKOHAMA,KANAGAWA,JAPAN
[3] YUGE NATL COLL MARITIME TECHNOL,YUGE,EHIME,JAPAN
[4] NAGOYA UNIV,STE LAB,COSM RAY SECT,NAGOYA,AICHI 464,JAPAN
[5] TOKYO INST TECHNOL,DEPT PHYS,TOKYO 152,JAPAN
关键词
D O I
10.1103/PhysRevLett.70.525
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
Based on an analysis of the extensive air shower data accumulated over the last ten years at Akeno Cosmic Ray Observatory, the value of the proton-air nuclei inelastic cross section (sigma(in)p-air) has been determined assuming the validity of quasi-Feynman scaling of particle production in the fragmentation region. The energy dependence of sigma(in)p-air can be represented as 290(E/1 TeV)0.052 mb in the energy interval 10(16.2)-10(17.6) eV, where E is the incident proton energy. The total p-p cross section (sigma(tot)p-p), derived using the nuclear distribution function obtained from the shell model, increases with energy as 38.5+1.37ln2(square-root s/10 GeV) mb.
引用
收藏
页码:525 / 528
页数:4
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