Decay modes of superheavy nuclei using a modified generalized liquid drop model and a mass-inertia-dependent approach for spontaneous fission

2021 ◽  
Vol 104 (2) ◽  
Author(s):  
K. P. Santhosh ◽  
C. Nithya ◽  
Tinu Ann Jose
Keyword(s):  
Spontaneous Fission ◽  
Liquid Drop ◽  
Superheavy Nuclei ◽  
Liquid Drop Model ◽  
Decay Modes

On the Stability of Superheavy Nuclei against Fission, Alpha Decay and Electron Capture

1971 ◽  
Vol 26 (4) ◽  
pp. 643-652 ◽  
Author(s):  
Jens Grumann ◽  
Tihomir Morovic ◽  
Walter Greiner
Keyword(s):  
Potential Energy ◽  
Electron Capture ◽  
Spontaneous Fission ◽  
Energy Surface ◽  
Liquid Drop ◽  
Alpha Decay ◽  
Superheavy Nuclei ◽  
Liquid Drop Model ◽  
Α Decay ◽  
The Stability

AbstractThe potential energy surface has been calculated by two methods which are compared with re­spect to spontaneous fission. In the first one essentially the sum of the single particle energies is computed as was done in a previous paper3 while in the second one the Strutinsky technique of renormalizing to a liquid drop model has been applied. Also the half-lives for electron capture are investigated together with the predictions of the half-lives for spontaneous fission and α-decay. The results support the existence of superheavy nuclei in the regions around Z = 114 and Z = 164.

Investigations on the superheavy nuclei with magic number of neutrons and protons

2020 ◽  
Vol 29 (05) ◽  
pp. 2050028 ◽  
Author(s):  
H. C. Manjunatha ◽  
N. Sowmya ◽  
N. Manjunath ◽  
L. Seenappa
Keyword(s):  
Potential Model ◽  
Liquid Drop ◽  
Magic Number ◽  
Superheavy Nuclei ◽  
Magic Numbers ◽  
Saxon Potential ◽  
Liquid Drop Model ◽  
Fusion Reactions ◽  
Proximity Potential ◽  
Decay Modes

It was recognized that the magic numbers of nuclei 2, 20, 28, 50, 82 and 126 are predicted to be more stable than the neighbor nuclei. Later on the researchers predicted that the magic numbers for protons are 114, 122, 124 and 164 and the magic numbers for neutrons are 184, 196, 236 and 318. The predicted second generation magic number for proton and neutron comes in the superheavy nuclei region. The superheavy nuclei with magic number of protons/neutrons are [Formula: see text]114, [Formula: see text]114, [Formula: see text]122, [Formula: see text]122, [Formula: see text]124, [Formula: see text]124, [Formula: see text]126 and [Formula: see text]126. All the possible decay modes have been studied by using three different models such as modified generalized liquid drop model, dynamical cluster model and coulomb-proximity potential model. In the second part of this study, we have made detailed investigations to synthesize the above said nuclei using fusion reactions with modified Woods–Saxon potential model. This study also identifies the most possible projectile target combinations for the synthesis of the predicted magic nuclei in the superheavy nuclei region.

Competition between decay modes of superheavy nuclei 281−310Og

2020 ◽  
Vol 29 (10) ◽  
pp. 2050087
Author(s):  
N. Sowmya ◽  
H. C. Manjunatha ◽  
P. S. Damodara Gupta
Keyword(s):  
Spontaneous Fission ◽  
Potential Model ◽  
Superheavy Element ◽  
Alpha Decay ◽  
Cluster Decay ◽  
Superheavy Nuclei ◽  
Temperature Dependent ◽  
Proximity Potential ◽  
Decay Modes

In this work, we have made an attempt to study the cluster-decay half-lives and alpha-decay half-lives of the superheavy nuclei [Formula: see text]Og by considering the temperature-dependent (TD) and also temperature-independent (TID) proximity potential model. The evaluated half-lives were compared with that of the experiments. To predict the decay modes, we have compared the cluster-decay half-lives and alpha-decay half-lives with that of spontaneous fission half-lives. This work also predicts the decay chains of the superheavy nuclei [Formula: see text]Og and finds an importance in the synthesis of further isotopes of superheavy element Oganesson.

scholarly journals α decay half-lives of new superheavy nuclei within a generalized liquid drop model

2006 ◽  
Vol 74 (1) ◽  
Author(s):  
Hongfei Zhang ◽  
Wei Zuo ◽  
Junqing Li ◽  
G. Royer
Keyword(s):  
Liquid Drop ◽  
Superheavy Nuclei ◽  
Liquid Drop Model ◽  
Α Decay

scholarly journals Cluster radioactivity in superheavy nuclei 299-306122

2020 ◽  
Vol 8 (1) ◽  
pp. 55-63
Author(s):  
H. C. Manjunatha ◽  
S. Alfred Cecil Raj ◽  
A. M. Nagaraja ◽  
N. Sowmya
Keyword(s):  
Spontaneous Fission ◽  
Alpha Decay ◽  
Cluster Decay ◽  
Superheavy Nuclei ◽  
Decay Modes ◽  
Cluster Radioactivity ◽  
Exotic Decay

Cluster radioactivity is an intermediate between alpha decay and spontaneous fission. It is also an exotic decay obtained in superheavy nuclei. When a cluster decay is detected in superheavy nuclei, the daughter nuclei is having near or equal to doubly magic nuclei. We have investigated cluster decay of isotopes of He, Li, Be, Ne, N, Mg, Si, P, S, Cl, Ar and Ca in the superhaevy nuclei region 299-306122. We have also compared the logarithmic half-lives of cluster decay with that of other models such as Univ [1], NRDX [2], UDL [3] and Horoi [4]. From this study it is concluded that  cluster decay of 4He, 22Ne, 26Mg, 28Si 30Si, 34S, 40Ca and 46Ca are having shorter logarithmic half-lives compared to exotic cluster decay modes.

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