Experimental studies of the competition between fusion and quasifission in the formation of heavy and superheavy nuclei

DJ Hinde, M Dasgupta, EC Simpson - Progress in Particle and Nuclear …, 2021 - Elsevier
Quasifission competes with fusion, and can suppress the cross sections for formation of
heavy elements by orders of magnitude. Its understanding is important both to map out …

Colliding heavy nuclei take multiple identities on the path to fusion

KJ Cook, DC Rafferty, DJ Hinde, EC Simpson… - Nature …, 2023 - nature.com
The properties of superheavy elements probe extremes of physics and chemistry. They are
synthesised at accelerator laboratories using nuclear fusion, where two atomic nuclei …

Multi-modal mass-asymmetric fission of 178Pt from simultaneous mass-kinetic energy fitting

BMA Swinton-Bland, J Buete, DJ Hinde, M Dasgupta… - Physics Letters B, 2023 - Elsevier
The observation of mass-asymmetric fission in neutron-deficient 180 Hg dramatically
expanded the region of mass-asymmetric fission found across the nuclide chart, and has led …

Fusion-fission analysis of and nuclear reactions across the Coulomb barrier

Vijay, N Grover, K Sharma, MS Gautam, MK Sharma… - Physical Review C, 2022 - APS
By using the symmetric-asymmetric Gaussian barrier distribution (SAGBD) model, Wong
formula, and coupled channel approach, heavy ion fusion dynamics is investigated for C …

Search for possible fission modes at high excitation energies in

T Banerjee, EM Kozulin, NT Burtebayev, KB Gikal… - Physical Review C, 2022 - APS
Background: Shell effects have been found to influence both the compound nuclear fission
(CNF) and quasifission processes. Besides quasifission processes, which fission modes …

Fusion studies in reactions at energies below and near the Coulomb barrier

S Sanila, AM Vinodkumar, BRS Babu, N Madhavan… - Physical Review C, 2022 - APS
Background: The coupled-channels model has been highly successful in interpreting
experimental subbarrier fusion. The statistical model framework has traditionally been used …

Contributions of quasifission and fusion-fission in the reaction at 145 MeV laboratory beam energy using the Boltzmann-Uehling-Uhlenbeck model

Y Feng, Y Huang, E Xiao, X Lei, L Zhu, J Su - Physical Review C, 2023 - APS
Background: Understanding the mechanism of the quasifission reaction is important,
because it is an essential competitor to the fusion reaction leading to superheavy elements …

Energy dissipation and suppression of capture cross sections in heavy ion reactions

DY Jeung, DJ Hinde, E Williams, M Dasgupta… - Physical Review C, 2021 - APS
Background: At energies above the capture barrier, coupled-channels (CC) calculations with
a standard nuclear potential diffuseness (0.65 fm) increasingly overestimate experimental …

[HTML][HTML] New signature of non-equilibrium fission from pre-scission α-particle emission

YK Gupta, GK Prajapati, BV John, BN Joshi, LS Danu… - Physics Letters B, 2022 - Elsevier
The pre-scission α-particle multiplicity (α pre), measured in 16 O (96 MeV)+ 232 Th reaction,
is observed to be significantly lower than the global trend reported earlier. Statistical model …

Experimental evidence of shell effects in slow quasifission

A Pal, S Santra, PC Rout, A Kundu, D Chattopadhyay… - Physical Review C, 2024 - APS
Mass distributions of fission fragments arising from the slow quasifission (SQF) process,
derived by comparing the measured data with theory for several reactions, show distinct …