https://doi.org/10.1140/epja/i2006-08-045-2
Nuclear Physics in Astrophysics II
Clustering in light nuclei in fragmentation above 1 A GeV
1
Institute for Physics and Technology, Almaty, Republic of Kazakhstan
2
Joint Institute for Nuclear Research, Dubna, Russia
3
Lebedev Institute of Physics, Russian Academy of Sciences, Moscow, Russia
4
Institute of Space Sciences, Magurele, Romania
5
Yerevan Physics Institute, Yerevan, Armenia
6
Institute for Nuclear Research and Nuclear Energy, Sofia, Bulgaria
7
P.J. Safărik University, Kosice, Slovak Republic
Received:
20
June
2005
Accepted:
20
December
2005
Published online:
14
March
2006
The relativistic invariant approach is applied to analyzing the 3.3 A GeV 22Ne fragmentation in a nuclear track emulsion. New results on few-body dissociations have been obtained from the emulsion exposures to 2.1 A GeV 14N and 1.2 A GeV 9Be 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 1MeV per nucleon. The first observations of fragmentation of 1.2 A GeV 8B and 9C nuclei in emulsion are described. The presented results allow one to justify the development of few-body aspects of nuclear astrophysics.
PACS: 21.45.+v Few-body systems – / 23.60.+e α decay – / 25.10.+s Nuclear reactions involving few-nucleon systems –
© Società Italiana di Fisica and Springer-Verlag, 2006