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Title: Study of the Involvement of {sup 8}Be and {sup 9}B Nuclei in the Dissociation of Relativistic {sup 10}C, {sup 10}B, and {sup 12}C Nuclei

Abstract

The results obtained by estimating the contribution of 8Be and 9B nuclei to the coherent dissociation of {sup 10}C, {sup 10}B, and {sup 12}C 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 2α2p ensembles and having a maximum at 4.1 ± 0.3 MeV. A 8Be nucleus manifests itself in the coherent-dissociation reaction {sup 10}B → {sup 2}He + H with a probability of (25 ± 5)%, (14 ± 3)% of it being due to 9B decays. The ratio of the branching fractions of the {sup 9}B + n and {sup 9}Be + p mirror channels is estimated at 6 ± 1. An analysis of the relativistic dissociation of {sup 12}C nuclei in a nuclear track emulsion revealed nine 3α events corresponding to the Hoyle state.

Authors:
;  [1];  [2]; ; ;  [1];  [2]; ;  [1]; ;  [2]; ;  [1];  [3]; ;  [2]; ;  [1];  [4];  [5] more »; « less
  1. Joint Institute for Nuclear Research (Russian Federation)
  2. National Research Center Kurchatov Institute, Institute for High Energy Physics (Russian Federation)
  3. Institute of Space Science (Romania)
  4. Yerevan Physics Institute (YerPhI) (Armenia)
  5. South-Western University (Bulgaria)
Publication Date:
OSTI Identifier:
22759624
Resource Type:
Journal Article
Journal Name:
Physics of Atomic Nuclei
Additional Journal Information:
Journal Volume: 80; Journal Issue: 6; Other Information: Copyright (c) 2017 Pleiades Publishing, Ltd.; Country of input: International Atomic Energy Agency (IAEA); Journal ID: ISSN 1063-7788
Country of Publication:
United States
Language:
English
Subject:
73 NUCLEAR PHYSICS AND RADIATION PHYSICS; BERYLLIUM 8; BERYLLIUM 9; BORON 10; BORON 9; BRANCHING RATIO; CARBON 10; CARBON 12; DISSOCIATION; EMULSIONS; HELIUM 2; MEV RANGE 01-10; RELATIVISTIC RANGE; STARS

Citation Formats

Artemenkov, D. A., Bradnova, V., Britvich, G. I., Zaitsev, A. A., Zarubin, P. I., E-mail: zarubin@lhe.jinr.ru, Zarubina, I. G., Kalinin, V. A., Kattabekov, R. R., Kornegrutsa, N. K., Kostin, M. Yu., Maksimov, A. V., Mamatkulov, K. Z., Mitseva, E., Neagu, A., Pikalov, V. A., Polkovnikov, M. K., Rukoyatkin, P. A., Rusakova, V. V., Sarkisyan, V. R., Stanoeva, R., and others, and. Study of the Involvement of {sup 8}Be and {sup 9}B Nuclei in the Dissociation of Relativistic {sup 10}C, {sup 10}B, and {sup 12}C Nuclei. United States: N. p., 2017. Web. doi:10.1134/S1063778817060047.
Artemenkov, D. A., Bradnova, V., Britvich, G. I., Zaitsev, A. A., Zarubin, P. I., E-mail: zarubin@lhe.jinr.ru, Zarubina, I. G., Kalinin, V. A., Kattabekov, R. R., Kornegrutsa, N. K., Kostin, M. Yu., Maksimov, A. V., Mamatkulov, K. Z., Mitseva, E., Neagu, A., Pikalov, V. A., Polkovnikov, M. K., Rukoyatkin, P. A., Rusakova, V. V., Sarkisyan, V. R., Stanoeva, R., & others, and. Study of the Involvement of {sup 8}Be and {sup 9}B Nuclei in the Dissociation of Relativistic {sup 10}C, {sup 10}B, and {sup 12}C Nuclei. United States. doi:10.1134/S1063778817060047.
Artemenkov, D. A., Bradnova, V., Britvich, G. I., Zaitsev, A. A., Zarubin, P. I., E-mail: zarubin@lhe.jinr.ru, Zarubina, I. G., Kalinin, V. A., Kattabekov, R. R., Kornegrutsa, N. K., Kostin, M. Yu., Maksimov, A. V., Mamatkulov, K. Z., Mitseva, E., Neagu, A., Pikalov, V. A., Polkovnikov, M. K., Rukoyatkin, P. A., Rusakova, V. V., Sarkisyan, V. R., Stanoeva, R., and others, and. Wed . "Study of the Involvement of {sup 8}Be and {sup 9}B Nuclei in the Dissociation of Relativistic {sup 10}C, {sup 10}B, and {sup 12}C Nuclei". United States. doi:10.1134/S1063778817060047.
@article{osti_22759624,
title = {Study of the Involvement of {sup 8}Be and {sup 9}B Nuclei in the Dissociation of Relativistic {sup 10}C, {sup 10}B, and {sup 12}C Nuclei},
author = {Artemenkov, D. A. and Bradnova, V. and Britvich, G. I. and Zaitsev, A. A. and Zarubin, P. I., E-mail: zarubin@lhe.jinr.ru and Zarubina, I. G. and Kalinin, V. A. and Kattabekov, R. R. and Kornegrutsa, N. K. and Kostin, M. Yu. and Maksimov, A. V. and Mamatkulov, K. Z. and Mitseva, E. and Neagu, A. and Pikalov, V. A. and Polkovnikov, M. K. and Rukoyatkin, P. A. and Rusakova, V. V. and Sarkisyan, V. R. and Stanoeva, R. and others, and},
abstractNote = {The results obtained by estimating the contribution of 8Be and 9B nuclei to the coherent dissociation of {sup 10}C, {sup 10}B, and {sup 12}C 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 2α2p ensembles and having a maximum at 4.1 ± 0.3 MeV. A 8Be nucleus manifests itself in the coherent-dissociation reaction {sup 10}B → {sup 2}He + H with a probability of (25 ± 5)%, (14 ± 3)% of it being due to 9B decays. The ratio of the branching fractions of the {sup 9}B + n and {sup 9}Be + p mirror channels is estimated at 6 ± 1. An analysis of the relativistic dissociation of {sup 12}C nuclei in a nuclear track emulsion revealed nine 3α events corresponding to the Hoyle state.},
doi = {10.1134/S1063778817060047},
journal = {Physics of Atomic Nuclei},
issn = {1063-7788},
number = 6,
volume = 80,
place = {United States},
year = {2017},
month = {11}
}