Issue |
EPJ Web Conf.
Volume 306, 2024
FUSION23 – International Conference on Heavy-Ion Collisions at Near-Barrier Energies
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Article Number | 01022 | |
Number of page(s) | 6 | |
DOI | https://doi.org/10.1051/epjconf/202430601022 | |
Published online | 18 October 2024 |
https://doi.org/10.1051/epjconf/202430601022
Excitation energy dependency of the low-energy fission dynamics: Probing through prompt gamma-ray spectroscopy
1 Nuclear Physics Division, Bhabha Atomic Research Centre, Mumbai 400 085, India
2 Department of Physics, Siksha Bhavana, Visva-Bharati University, Santiniketan, West Bengal 731 235, India
3 Homi Bhabha National Institute, Anushaktinagar, Mumbai 400 094, India
* e-mail: deyaniruddha@jinr.ru
* Present address: Flerov Laboratory of Nuclear Reactions, Joint Institute for Nuclear Research, Dubna 141 980, Russia.
*** e-mail: anagha.chakraborty@visva-bharati.ac.in
Published online: 18 October 2024
Fission Fragment Spectroscopy (FFS) technique has been utilized to make simultaneous measurements of both the relative charge and mass yield distributions of even-even fission fragments produced from the fission of 236U at two different excitation energies, Eex. The necessary analysis has been carried out on the measured yield distributions by employing the Multimodal Random Neck Rupture Model (MM-RNRM). The relative contribution of two different types of asymmetric mode of fission – Standard I and Standard II has been extracted at Eex = 6.5 and 21.5 MeV. An attempt has been made to study the evolution of these two asymmetric fission modes with respect to the values of Eex of the concerned fissioning system at low-excitation regime. The probable evidence, although at the primitive stage, for an oscillatory behavior of the relative contributions of different low-energy fission modes with increasing values of Eex has been presented.
© The Authors, published by EDP Sciences, 2024
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