TOTAL INELASTICITY IN PN-14 INTERACTIONS AT 10(3)-10(4) TEV

被引：6

作者：

CAPDEVIELLE, JN ^{[1
]}

DUNAEVSKY, AM ^{[1
]}

KARPOVA, SA ^{[1
]}

KRUTIKOVA, NP ^{[1
]}

SLAVATINSKY, SA ^{[1
]}

机构：

[1] PUN LEBEDEV PHYS INST,MOSCOW 117924,RUSSIA

来源：

JOURNAL OF PHYSICS G-NUCLEAR AND PARTICLE PHYSICS | 1994年 / 20卷 / 06期

关键词：

D O I：

10.1088/0954-3899/20/6/010

中图分类号：

O57 [原子核物理学、高能物理学];

学科分类号：

070202 ;

摘要：

A number of characteristics of groups of the highest energy particles in extensive air showers (so-called gammah-families) measured in the cosmic ray Pamir experiment and the data from the Tian-Shan extensive air shower experiment were compared with those simulated using three different hN-14 interaction models distinguished mainly by the dependence of the total inelasticity on energy: namely increasing, constant and decreasing. The chemical composition of the primary cosmic rays varied from so-called normal to extremely enriched by heavy nuclei. The detection of gammah-families in emulsion chambers was also simulated. On the basis of the comparison, we conclude that the total inelasticity in hN-14 interactions up to laboratory energy of 10(4) TeV is greater than 0.55, and that an energy-independent value of 0.55 is in contradiction with the data we consider at any cross-section which is consistent with the cosmic ray experimental data and for any composition of primary cosmic rays from so-called normal to super-heavy. The quark-gluon string model with k(tot) increasing up to 0.84 at 10(4) TeV and the inelastic charge-exchange probability of 0.3-0.5 fits well the data used.

引用

页码：947 / 959

页数：13

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