High-precision momentum measurements of projectile fragments in Sn+Sn collisions at 1·A GeV
Julkaistu sarjassa
Research report / Department of Physics, University of JyväskyläTekijät
Päivämäärä
2012Oppiaine
FysiikkaProduction cross-sections and longitudinal velocity distributions of the projectilelike
residues produced in peripheral and mid-peripheral reactions 112Sn + 112Sn
and 124Sn + 124Sn both at an incident beam energy of 1 A GeV were measured
with the high-resolution magnetic spectrometer, the Fragment Separator of
GSI. For both reactions the characteristics of the velocity distributions and nuclide
production cross-sections were determined for residues with nuclear charge
Z 10. A comparison of the results of the two reactions is presented and the results
are studied in the frame of dynamical transport calculations coupled with
a statistical multifragmentation code. In mid-peripheral collisions the simulations
show that the rapidly expanding participant zone interacts with the
spectator matter giving substantial increase on the longitudinal velocity that
shows sensitivity to the nucleon-nucleon cross section and to the momentum
dependence of the nuclear mean eld.
Julkaisija
University of JyväskyläISBN
978-951-39-4631-9ISSN Hae Julkaisufoorumista
0075-465XAsiasanat
Metadata
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