Charged ρ-meson production in neutrino-induced reactions at ⟨E ν⟩ ≈ 10 GeV

被引：1
|
作者：
Agababyan, N. M. [1 ]
Ammosov, V. V. [1 ]
Grigoryan, N. [1 ]
Gulkanyan, H. [1 ]
Ivanilov, A. A. [1 ]
Karamyan, Zh. [1 ]
Korotkov, V. A. [1 ]
机构：
[1] Inst High Energy Phys, Protvino, Russia
来源：
PHYSICS OF ATOMIC NUCLEI | 2011年 / 74卷 / 02期
关键词：
NUCLEAR-MEDIUM INFLUENCE; STRANGENESS SUPPRESSION; INCLUSIVE PRODUCTION; COHERENT PRODUCTION; NEON INTERACTIONS; SCATTERING; NEUTRINOPRODUCTION; HADRONS;
D O I：
10.1134/S1063778811020025
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：
The production of charged rho mesons on nuclei and nucleons is investigated in charged current neutrino interactions at moderate energies (aEuroE (aEuro parts per thousand) a parts per thousand 10 GeV), using the data obtained with SKAT bubble chamber. No strong nuclear effects are observed in rho (+) and rho (-) production. The fractions of charged and neutral pions originating from rho decays are obtained and compared with higher-energy data. From analysis of the obtained and available data on rho (+) and K*(+)(892) neutrino production, the strangeness suppression factor is extracted: lambda (s) = 0.18 +/- 0.03. Estimation is obtained for cross section of coherent rho (+) neutrino production on nuclei.
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收藏
页码：221 / 228
页数：8
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