Physics – Nuclear Physics – Nuclear Experiment
Scientific paper
2011-09-05
Physics of Atomic Nuclei, Vol. 58, No. 11, 1995, pp. 1905-1910; Yadernaya Fizika, Vol. 58, No. 11, 1995, pp. 2014-2020
Physics
Nuclear Physics
Nuclear Experiment
14 pages, 5 figures, 2 tables; Translated from Yadernaya Fizika
Scientific paper
10.1063/7788-1905(95)5811-5
The transverse-momentum distributions and correlation characteristics of relativistic $\alpha$ particles from the coherent dissociation of a carbon nucleus into three $\alpha$ particles at 4.5 GeV/$c$ are studied in lead-enriched emulsion. Comparative analysis of data obtained in ordinary and lead-enriched emulsion stacks is performed. It is shown that the statistical model of rapid fragmentation does not describe the momentum and correlation characteristics of a $\alpha$ particles in the rest frame of the carbon nucleus. The estimated decay temperature of $^{12}$C is weakly dependent on the target atomic mass. It is shown that the carbon nucleus undergoing fragmentation acquires angular momentum in the collision.
Belaga V. V.
Benjaza A. A.
Chernov G. M.
Rusakova V. V.
Salamov J. A.
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