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

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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.
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页码：247 / 251
页数：5
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