EPJ Web of Conferences
Volume 17, 20115th International Conference FUSION11
|Number of page(s)||4|
|Section||Session 16 Posters|
|Published online||19 October 2011|
Study of the effect of shell closure on the nuclear dissipation
Department of Physics, Panjab University, Chandigarh - 160014, India
2 Department of Physics and Astrophysics, Delhi University, Delhi - 110007, India
3 Inter University Accelerator Centre, Aruna Asaf Ali Marg, New Delhi - 110067, India
4 Nuclear Physics Division, Bhabha Atomic Research Centre, Mumbai - 499985, India
Neutron multiplicity measurements are carried out for the 19F + 194,196,198Pt systems at excitation energy range of 48 to 67.5 MeV. Out of these three compound nuclei (CN) 217Fr, 215Fr and 213Fr, one of the CN (213Fr) has neutron shell closure (NC=126). Experimentally obtained neutron multiplicities are compared with the standard statistical model predictions. It has been observed that the standard statistical model under-predicts the experimental pre-scission neutron multiplicities values. Also the comparison of pre-scission neutron multiplicities for different compound nuclei (CN) indicates the signature of shell effects on nuclear dissipation, which results in the lowering of the pre-scission neutron multiplicities.
© Owned by the authors, published by EDP Sciences, 2011
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