Fusion and quasifission studies in reactions forming Rn via evaporation residue measurements

Shamlath, A.; Prasad, E.; Madhavan, N.; Laveen, P. V.; Gehlot, J.; Nasirov, A. K.; Giardina, G.; Mandaglio, G.; Nath, S.; Banerjee, Tathagata; Vinodkumar, A. M.; Shareef, M.; Jhingan, A.; Varughese, T.; Kumar, D. Anantha; Devi, P.; Khushboo, .; Jisha, P.; Kumar, Neeraj; Hosamani, M. M.; Kailas, S.

doi:10.1103/physrevc.95.034610

Cited by 20 publications

(5 citation statements)

References 68 publications

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“…16 O + 203,205 Tl using the code PACE4 [34,35]. Transmission efficiencies for the present systems were then scaled from the calibration reaction by comparing the fraction of their respective angular distributions passing through the geometrical acceptance of HYRA, i.e., 9.5 • , in a way similar to our previous measurements [32,[36][37][38][39][40][41]. Figure 1 shows the angular distributions of ERs at different beam energies for the measured reactions, viz.…”

Section: B Transmission Efficiencymentioning

confidence: 94%

Evaporation residue cross-section measurements for O16+Tl203,205

et al. 2019

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Section: B Transmission Efficiencymentioning

confidence: 94%

Evaporation residue cross-section measurements for O16+Tl203,205

et al. 2019

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“…By taking into Fig. 17 The predicted [216] excitation functions for production of 100 Sn( ), 101 Sn( ), 102 Sn( ), and 103 Sn( ) in xn-decay channels of the reactions 58 Ni + 46 Ti (a) and 56 Ni + 46 Ti (b) consideration the beam intensities and optimal production cross-sections, we found that the best candidate for the production of 100 Sn among reactions with radioactive ion beams is the 56 Ni + 46 Ti reaction via 2n emission channel. The production cross-sections of the doubly magic nucleus 100 Sn via light particle evaporation and cluster emission channels are comparable.…”

Section: Simplified Statistical Methodsmentioning

confidence: 99%

How to extend the chart of nuclides?

et al. 2020

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In the past 85 years the number of known nuclides increased by more than a factor of ten, resulting in 4000 presently known isotopes of 118 elements. This considerable progress we owe to the discovery of new reaction types along with the development of powerful accelerators and experimental techniques for separation and identification of reaction products. Model predictions indicate that still about 4000 further nuclides are waiting for their discovery. The vastest unexplored territory is located on the neutron-rich side in the upper half of the chart of nuclides and hides the answers to some of the most fundamental questions of nuclear physics like the limits of nuclear stability, element synthesis in the universe or stellar evolution. The access to these nuclei is presently limited by available beam intensities and/or the lack of appropriate methods for their production and identification. The latter concerns particularly new neutron-rich isotopes of transuranium and superheavy elements. To extend this area, the hope is presently based on multinucleon transfer reactions and on the application of fusion reactions with radioactive ion beams. But how promising are these approaches? Based on a survey of present-day knowledge, we will treat the questions where we currently are on our journey towards new territory on the chart of nuclides, how the chances are to gain new territory in the future and which challenges we will have to face.

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“…They cover a broad range of fissility (0.6 to 0.763) of the compound nuclei. Further, non-compound nuclear fission processes are expected to be small for the above highly asymmetric systems [45]. It may therefore be assumed that the entire incident flux leads to CN formation and consequently the SM becomes applicable to calculate various observables in the above reactions.…”

Section: Description Of Model and Resultsmentioning

confidence: 99%

Quest for consistent modelling of statistical decay of the compound nucleus

2018

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A statistical model description of heavy ion induced fusion-fission reactions is presented where shell effects, collective enhancement of level density, tilting away effect of compound nuclear spin and dissipation are included. It is shown that the inclusion of all these effects provides a consistent picture of fission where fission hindrance is required to explain the experimental values of both pre-scission neutron multiplicities and evaporation residue cross-sections in contrast to some of the earlier works where a fission hindrance is required for pre-scission neutrons but a fission enhancement for evaporation residue cross-sections. * Electronic address: he.tatha@gmail.com

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Fusion and quasifission studies in reactions forming Rn via evaporation residue measurements

Cited by 20 publications

References 68 publications

Evaporation residue cross-section measurements for O16+Tl203,205

Evaporation residue cross-section measurements for O16+Tl203,205

How to extend the chart of nuclides?

Quest for consistent modelling of statistical decay of the compound nucleus

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