期刊
PHYSICAL REVIEW C
卷 100, 期 1, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevC.100.014614
关键词
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资金
- IUAC-UGC, Government of India [IUAC/XIII.7/UFR-58310]
- DST, Government of India [INT/RUS/RFBR/P-250]
- DAE-BRNS, Government of India [36(6)/14/23/2016-BRNS]
In the present work, the pre- and post-scission neutron multiplicities were measured for the reaction O-18 + W-186 at different excitation energies populating the compound nucleus Pb-204, using the National Array of Neutron Detectors (NAND) facility at IUAC, New Delhi, India. Here, we investigated the entrance channel effect on the nuclear dissipation involved in the heavy ion fusion-fission dynamics. The statistical model analysis was performed using the code VECSTAT. The prescribed reaction O-18 + W-186 had similar value of the mass asymmetry as the system O-16 + Ta-181 studied earlier, populating the compound nucleus Tl-197. Specifically, we observed the similar behavior from both the systems against the nuclear dissipation, with the similar value of the mass asymmetry. The role of the entrance channel parameters on the nuclear dissipation was also discussed in the present work.
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