Expansion time of hot nuclei produced by a relativistic deuteron beam

The multifragmentation time scale is measured for d (4.4 GeV) + Au collisions by the analysis of the relative angle correlation function for the intermediate-mass fragments. The experiment was performed with the FASA 4 π setup installed at the external beam of the superconducting accelerator Nuclotr...

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Bibliographic Details
Published in:Physics of atomic nuclei 2015-07, Vol.78 (5), p.574-578
Main Authors: Karnaukhov, V. A., Avdeyev, S. P., Karcz, W., Kirakosyan, V.V., Rukoyatkin, P. A., Stegaylov, V. I., Oeschler, H., Botvina, A. S.
Format: Article
Language:English
Subjects:
Analysis
CORRELATION FUNCTIONS
DEUTERON BEAMS
DEUTERON REACTIONS
Elementary Particles and Fields
GEV RANGE
GOLD 197 TARGET
HOT NUCLEI
NUCLEAR CASCADES
NUCLEAR FRAGMENTATION
NUCLEAR PHYSICS AND RADIATION PHYSICS
Particle and Nuclear Physics
Physics
Physics and Astronomy
RELATIVISTIC RANGE
STATISTICAL MODELS
Superconductors
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Summary:The multifragmentation time scale is measured for d (4.4 GeV) + Au collisions by the analysis of the relative angle correlation function for the intermediate-mass fragments. The experiment was performed with the FASA 4 π setup installed at the external beam of the superconducting accelerator Nuclotron. A combined approach of intranuclear cascade prescription followed by the Statistical Model of Multifragmentation is used for the analysis of the data. Multifragmentation of a target spectator is measured to be 100 fm/ c (CL > 99.5%) delayed in relation to the collision moment. The latter is fixed by the registration of the fast fragment with Z = 4, produced at the collisionmoment.
ISSN:1063-7788
1562-692X
DOI:10.1134/S1063778815040079