/ Experiment-Nucl nucl-ex/0604003

Clustering in light nuclei in fragmentation above 1 A-GeV

Andreeva, N.P. (IPT, Kazakstan) ; Gaitinov, A.Sh. (IPT, Kazakstan) ; Artemenkov, D.A. (Dubna, JINR) ; Bradnova, V. (Dubna, JINR) ; Kachalova, N.A. (Dubna, JINR) ; Kovalenko, A.D. (Dubna, JINR) ; Malakhov, A.I. (Dubna, JINR) ; Rukoyatkin, P.A. (Dubna, JINR) ; Rusakova, V.V. (Dubna, JINR) ; Shchedrina, T.V. (Dubna, JINR) ; Zarubin, P.I. (Dubna, JINR) ; Zarubina, I.G. (Dubna, JINR) ; Chernyavsky, M.M. (Lebedev Inst.) ; Kharlamov, S.P. (Lebedev Inst.) ; Gerasimov, S.G. (Lebedev Inst.) ; Goncharova, L.A. (Lebedev Inst.) ; Larionova, V.G. (Lebedev Inst.) ; Orlova, G.I. (Lebedev Inst.) ; Peresadko, N.G. (Lebedev Inst.) ; Polukhina, N.G. (Lebedev Inst.) ; Haiduc, M. (Bucharest, Inst. Space Sciences) ; Stan, E. (Bucharest, Inst. Space Sciences) ; Moiseenko, A.A. (Yerevan Phys. Inst.) ; Sarkisyan, V.R. (Yerevan Phys. Inst.) ; Stanoeva, R. (Sofiya, Inst. Nucl. Res.) ; Tsakov, I. (Sofiya, Inst. Nucl. Res.) ; Vokal, S. (Kosice U.) ; Vokalova, A. (Kosice U.)

Published in: Eur.Phys.J.
Year: 2006
Vol.: A27S1
Page No: 295-300
Pages: 7

Abstract: The relativistic invariant approach is applied to analyzing the 3.3 A GeV $^{22}$Ne fragmentation in a nuclear track emulsion. New results on few-body dissociations have been obtained from the emulsion exposures to 2.1 A GeV $^{14}$N and 1.2 A GeV $^{9}$Be nuclei. It can be asserted that the use of the invariant approach is an effective means of obtaining conclusions about the behavior of systems involving a few He nuclei at a relative energy close to 1 MeV per nucleon. The first observations of fragmentation of 1.2 A GeV $^{8}$B and $^{9}$C nuclei in emulsion are described. The presented results allow one to justify the development of few-body aspects of nuclear astrophysics.

Web-Page: http://publish.edpsciences.org/abstract/EPJA/V27S1/P295

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