On the determination of the time-scale of three-fragment emission in the 12.7 GeV 4He+238U reaction using the polycarbonate track detector Makrofol

Research output: Journal Publications and Reviews (RGC: 21, 22, 62)21_Publication in refereed journal

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Original languageEnglish
Article number55201
Journal / PublicationPhysica Scripta
Volume84
Issue number5
Publication statusPublished - Nov 2011

Abstract

The timescale for emission of three fragments (Z≥8) in the 12.7 GeV 4He+238U reaction has been studied using a sandwich configuration of the Makrofol polycarbonate track detector. In events with varying multiplicity of heavy fragments (Z>20), the differences of the correlation functions for relative angle and relative velocity between pairs of fragments have been studied in order to determine the fragment emission timescale. A sequential decay mechanism for the excited residual nuclei was found to be consistent with experimental data. It was determined that the fragment emission time decreased with decreasing multiplicity of heavy fragments from 120080 fm c-1 for events with two heavy fragments to 40050 fm c-1 for events with one heavy fragment. © 2011 The Royal Swedish Academy of Sciences.

Citation Format(s)

On the determination of the time-scale of three-fragment emission in the 12.7 GeV 4He+238U reaction using the polycarbonate track detector Makrofol. / Savović, Svetislav; Todorović, Živojin; Djordjevich, Alexandar; Jokić, Stevan.

In: Physica Scripta, Vol. 84, No. 5, 55201, 11.2011.

Research output: Journal Publications and Reviews (RGC: 21, 22, 62)21_Publication in refereed journal