OBSERVATION OF THE PRODUCTION OF CHARMED SIGMA(C)ASTERISK(++) BARYONS IN NEUTRINO INTERACTIONS AT THE SKAT BUBBLE-CHAMBER

被引：0

作者：

AMMOSOV, VV

VASILEV, IL

IVANILOV, AA

IVANOV, PV

KONYUSHKO, VI

KORABLEV, VM

KOROTKOV, VA

MAKEEV, VV

MYAGKOV, AG

POLYARUSH, AY

SOKOLOV, AA

机构：

来源：

JETP LETTERS | 1993年 / 58卷 / 04期

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中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Quasielastic production of charmed baryons at protons has been studied with the SKAT bubble chamber, exposed to a neutrino beam at the Serpukhov U-70 accelerator. The results are reported. The first observation of a SIGMA(c)*++ baryon, with a mass M(SIGMA(c)*+++) = 2.530 +/- 0.005 +/- 0.005 GeV, is reported. Estimates are found for some reaction cross sections: sigma(nup --> mu -SIGMA(c)++) = (2.3 +/- 2.0) X 10(-4) cm2 and sigma(nup --> mu -SIGMA(c)*++) = (4.5 +/- 4.0) X 10(-40) cm2.

引用

页码：247 / 251

页数：5

共 41 条

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