OBSERVATION OF VERY-HIGH-ENERGY COSMIC-RAY FAMILIES IN EMULSION CHAMBERS AT HIGH MOUNTAIN ALTITUDES .1.

被引：84

作者：

BARADZEI, LT

BORISOV, AS

CHERDYNTSEVA, KV

GUSEVA, ZM

DENISOVA, VG

DOBROTIN, NA

DUNAEVSKY, AM

KANEVSKAYA, EA

KARPOVA, SA

MAXIMENKO, VM

NAM, RA

PUCHKOV, VS

SLAVATINSKY, SA

SMIRNOVA, MD

SMORODIN, YA

URYSON, AV

ZELEVINSKAYA, NG

ZIMIN, MV

ZHDANOV, GB

MIKHAILOVA, IA

MUKHAMEDSHIN, RA

DOROSHENKO, OE

NIKOLAEVA, LP

SUKHOV, LV

ZATSEPIN, GT

AMINEVA, TP

FEDOROVA, GF

IVANENKO, IP

ILJINA, NP

KOPENKIN, VV

MANAGADZE, AK

POPOVA, EG

RAKOBOLSKAYA, IV

ROGANOVA, TM

STROGOVA, OP

SVESHNIKOVA, LG

CHADRANYAN, LK

KHISANISHVILI, LA

ROINISHVILI, NN

SVANIDZE, MS

AZIMOV, ZA

BOBODJANOV, IB

GUBAR, NE

GULOV, YA

NORMURADOV, F

KHALILOV, DA

MYRTOJIEVA, S

MULLAJANOV, EG

NOSOV, AN

NURITDINOV, K

机构：

[1] ACAD SCI USSR,INST NUCL RES,MOSCOW V-71,USSR

[2] MV LOMONOSOV STATE UNIV,INST NUCL PHYS,MOSCOW 117234,USSR

[3] ACAD SCI GESSR,INST PHYS,TBILISI,GEORGIA,USSR

[4] ACAD SCI TASSR,INST PHYS & ENGN,DUSHANBE,TADZHIKISTAN,USSR

[5] ACAD SCI UZSSR,INST PHYS & ENGN,TASHKENT,UZBEKISTAN,USSR

[6] ACAD SCI KASSR,INST HIGH ENERGY PHYS,ALMA ATA 480021,KAZAKHSTAN,USSR

[7] UNIV LODZ,INST PHYS,PL-90131 LODZ,POLAND

[8] HIGH PEDAGOG SCH,KIELCE,POLAND

[9] UNIV ESTADUAL CAMPINAS,INST FIS GLEB WATAGHIN,BR-13100 CAMPINAS,SP,BRAZIL

[10] CTR BRASILEIRO PESQUISAS FIS,BR-20000 RIO DE JANEIRO,BRAZIL

[11] WASEDA UNIV,SCI & ENGN RES LAB,TOKYO 160,JAPAN

[12] AOYAMA GAKUIN UNIV,COLL SCI & ENGN,INST COSM RAY RES,TOKYO 150,JAPAN

[13] KINKI UNIV,FAC SCI & TECHNOL,SAYAMA,OSAKA 589,JAPAN

来源：

NUCLEAR PHYSICS B | 1992年 / 370卷 / 02期

基金：

巴西圣保罗研究基金会;

关键词：

D O I：

10.1016/0550-3213(92)90291-I

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：

Characteristics of cosmic-ray hadronic interactions in the 10(15)-10(17) eV range are studied by observing a total of 429 cosmic-ray families of visible energy greater than 100 TeV found in emulsion chamber experiments at high mountain altitudes, Chacaltaya (5200 m above sea level) and the Pamirs (4300 m above sea level). Extensive comparisons were made with simulated families based on models so far proposed. concentrating on the relation between the observed family flux and the behaviour of high-energy showers in the families, hadronic and electromagnetic components. It is concluded that there must be global change in characteristics of hadronic interactions at around 10(16) eV deviating from those known in the accelerator energy range. specially in the forwardmost angular region of the collision. A detailed study of a new shower phenomenon of small-p(T) particle emissions, p(T) being of the order of 10 MeV/c, is carried out and its relation to the origin of huge "halo" phenomena associated with extremeLy high energy families is discussed as one of the possibilities. General characteristics of such super-families are surveyed.

引用

页码：365 / 431

页数：67

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