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Observing the Ping-pong Modality of Isospin Degree of Freedom in Cluster Emission from Heavy Ion Reactions
- Publication Year :
- 2022
- Publisher :
- arXiv, 2022.
-
Abstract
- Two-body correlations of the isotope-resolved light and heavy clusters are measured in $^{86}$Kr+$^{\rm 208}$Pb reactions at 25 MeV/u. The yield and kinetic variables of the $A=3$ isobars, triton and $^3$He, are analyzed in coincidence with the heavy clusters of $7\le A \le 14$ emitted at the earlier chance. While the velocity spectra of both triton and $^3$He exhibit scaling behavior over the type of the heavy clusters, the yield ratios of ${\rm t/^3He}$ correlate reversely to the neutron-to-proton ratio $N/Z$ of the latter, showing the ping-pong modality of the $N/Z$ of emitted clusters. The commonality that the $N/Z$ of the residues keeps the initial system value is extended to the cluster emission in heavy ion reactions. The comparison of transport model calculations to the data is discussed.
- Subjects :
- FOS: Physical sciences
Nuclear Experiment (nucl-ex)
Nuclear Experiment
Subjects
Details
- Database :
- OpenAIRE
- Accession number :
- edsair.doi.dedup.....afd2b3dc025d3d4a28e639c048d33cf5
- Full Text :
- https://doi.org/10.48550/arxiv.2209.04079