Abstract
In the present work we have measured pre- and post-scission neutron multiplicities and from two compound nuclei, namely populated by systems at 72 MeV of excitation energy using the National Array of Neutron Detectors (NAND) facility at IUAC, New Delhi. Statistical model analysis has been performed for along with already existing data for and covering compound nuclei of Po with neutron number , 118, 122, and 126 respectively. Variation of experimental with of the compound nucleus does not show any special feature at neutron shell closure at compound nucleus excitation energy around 72 MeV considered here. In particular, it is found that dissipation alone is unable to reproduce the experimental for , and the role of entrance channel dynamics should be considered in future works.
3 More- Received 23 September 2017
- Revised 15 January 2018
DOI:https://doi.org/10.1103/PhysRevC.98.034601
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