Dr. Vineet Kumar

NA

K. Mahata, A. Shrivastava, K. Ramachandran, S. K. Pandit, V. V. Parkar, S. Mukhopadhyay, L. S. Danu, A. Kumar, P. C. Rout, S. Kaur, P. Mishra, P. Patale

In a decade since the discovery of asymmetric split in β-delayed fission of 180Tl the fission of the preactinides has witnessed considerable development both theoretically as well as experimentally. We had an ongoing experimental program to systematically explore the new kind of asymmetric fission observed in the preactinide region. In this regard we intend to measure fission fragment mass and TKE distribution of 194Hg populated in 19F+175Lu reaction. As more studies are required to understand the role of shell effects on the fission process in preactinides this measurement will be useful in constraining the theoretical models.

18

19F (fully stripped) pulsed

85 - 105

2 - 10

Hall 1, 30 D

yes

175Lu

No

No

34S+159Tb-->193Tl (23.04.2022 to 26.04.2022) 28Si+165Ho-->193Tl (27.04.2022 to 30.04.2022)

1. “Observation of asymmetric fission in 204Pb at low excitation energies”, Vineet Kumar, K. Mahata, Sangeeta Dhuri, A. Shrivastava, K. Ramachandran et. al. Phys. Rev. C 109, 014613 (2024). 2. “Quest for understanding neutron emission in nuclear fission:The case of 210Po”, Sangeeta Dhuri, K. Mahata, K. Ramachandran, P. C. Rout, A. Shrivastava, et. al. Phys. Rev. C 108, 054609 (2023). 3. “Measurement of mass and total kinetic energy distributions for the 12C+175Lu system”, Sangeeta Dhuri, K. Mahata, A. Shrivastava, K. Ramachandran, S. K. Pandit et. al. Phys. Rev. C 106, 014616 (2022). 4. “Evidence for the general dominance of proton shells in low-energy fission”, K. Mahata, C. Schmitt, S. Gupta, A. Shrivastava, G. Scamps, and K.-H. Schmidt, Phys. Lett. B 825, 136859 (2022). 5."Fission fragment mass distribution of 187Ir", Sangeeta Dhuri, K. Mahata, A. Shrivastava, K. Ramachandran, S. K. Pandit et. al. J. Phys. Conf. Ser. 2586 012075, (2023).