Study of the Involvement of 8Be and 9B Nuclei in the Dissociation of Relativistic 10C, 10B, and 12C Nuclei

被引：3

作者：

Artemenkov, D. A. ^{[1
]}

Bradnova, V. ^{[1
]}

Britvich, G. I. ^{[2
]}

Zaitsev, A. A. ^{[1
,3
]}

Zarubin, P. I. ^{[1
,3
]}

Zarubina, I. G. ^{[1
]}

Kalinin, V. A. ^{[2
]}

Kattabekov, R. R. ^{[1
]}

Kornegrutsa, N. K. ^{[1
]}

Kostin, M. Yu. ^{[2
]}

Maksimov, A. V. ^{[2
]}

Mamatkulov, K. Z. ^{[1
]}

Mitseva, E. ^{[1
]}

Neagu, A. ^{[4
]}

Pikalov, V. A. ^{[2
]}

Polkovnikov, M. K. ^{[2
]}

Rukoyatkin, P. A. ^{[1
]}

Rusakova, V. V. ^{[1
]}

Sarkisyan, V. R. ^{[5
]}

Stanoeva, R. ^{[6
,7
]}

Firu, E. ^{[4
]}

Haiduc, M. ^{[4
]}

Kharlamov, S. P. ^{[3
]}

机构：

[1] Joint Inst Nucl Res, Ul Joliot Curie 6, Dubna 141980, Moscow Oblast, Russia

[2] Natl Res Ctr, Kurchatov Inst, Inst High Energy Phys, Pl Nauki 1, Protvino 142280, Moscow Oblast, Russia

[3] Russian Acad Sci, Lebedev Phys Inst, Leninskii Pr 53, Moscow 119991, Russia

[4] Inst Space Sci, Bucharest 077125, Romania

[5] Yerevan Phys Inst YerPhI, Alikhanian Bros Str 2, Yerevan 0036, Armenia

[6] South Western Univ, Blagoevgrad, Bulgaria

[7] Bulgarian Acad Sci, INRNE, 72 Tsarigradsko Chaussee, Sofia 1784, Bulgaria

来源：

PHYSICS OF ATOMIC NUCLEI | 2017年 / 80卷 / 06期

关键词：

EMULSION;

D O I：

10.1134/S1063778817060047

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 results obtained by estimating the contribution of 8Be and 9B nuclei to the coherent dissociation of C-10, B-10, and C-12 relativistic nuclei in nuclear track emulsions ("white" stars) are presented. The selection of white stars accompanied by 9B leads to a distinct peak appearing in the distribution of the excitation energy of 2 alpha 2p ensembles and having a maximum at 4.1 +/- 0.3 MeV. A 8Be nucleus manifests itself in the coherent-dissociation reaction B-10 -> He-2 + H with a probability of (25 +/- 5)%, (14 +/- 3)% of it being due to 9B decays. The ratio of the branching fractions of the B-9 + n and Be-9 + p mirror channels is estimated at 6 +/- 1. An analysis of the relativistic dissociation of C-12 nuclei in a nuclear track emulsion revealed nine 3 alpha events corresponding to the Hoyle state.

引用

页码：1126 / 1132

页数：7

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