Investigations of the synthesis of the superheavy element 
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Manjunatha, H. C.; Sridhar, K.N.; Sowmya, N.

doi:10.1103/physrevc.98.024308

Cited by 95 publications

(31 citation statements)

References 44 publications

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“…The amount of energy released from the cluster decay such as 4 He, 6 Li, 9 Be, 12 C, 14 N, 20,22 Ne, 23 N, [24][25][26] Mg, [28][29][30] Si, 31 P, [32][33][34] S, 35 Cl, 36,38,40 Ar, and [40][41][42][43][44][45][46] Ca are studied using mass excess values available in the reference [54]. The Figure 1 shows the variation of scattering potential with the mass number of clusters.…”

Section: Resultsmentioning

confidence: 99%

“…Earlier workers [27][28][29][30][31][32][33][34][35][36][37][38][39][40][41][42][43][44] studied different decay modes such as spontaneous fission, ternary fission, cluster decay and alpha decay in the heavy and super-heavy region and also predicted suitable projectile-target combinations to synthesize these super-heavy nuclei. Karpeshin [45] has shown that the choice of a specific shape of the proximity potential affects not only the shape of the barrier, but can also change the total kinetic energy of fragments by tens of MeV.…”

Section: Introductionmentioning

confidence: 99%

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Cluster radioactivity in superheavy nuclei 299-306122

Manjunatha

Raj²,

Nagaraja³

et al. 2020

J. Nucl. Phy. Mat. Sci. Rad. A.

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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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Section: Resultsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Cluster radioactivity in superheavy nuclei 299-306122

Manjunatha

Raj²,

Nagaraja³

et al. 2020

J. Nucl. Phy. Mat. Sci. Rad. A.

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“…The proximity potential is evaluated using the set of equations described in [45]. Using the total interacting potential and proximity potential, the penetration probability P is evaluated using the WKB approximation as follows:…”

Section: Alpha and Cluster Decaymentioning

confidence: 99%

“…The cluster decay half-lives are also evaluated using semi-microscopic methods [41][42][43]. Earlier researchers studied different decay modes using different models and semi-empirical relations to evaluate the half-lives [44][45][46][47][48][49][50][51][52][53][54][55][56][57].…”

Section: Introductionmentioning

confidence: 99%

Decay of dinuclear systems formed from dubnium

et al. 2021

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The radioactivity of the superheavy nuclei 250−275 Db is studied and presented using the Coulomb and proximity potentials. The half-lives corresponding to different decay modes such as α, cluster decay ( 12 C, 14 N, 18,20 O, 23 F, 20 Ne, 34 S, 28 Mg and 40 Ca) and spontaneous fission in the superheavy nuclei 250−275 Db are studied. The studied half-lives are compared with the available experiments. The decay modes and the branching ratios of isotopes of dubnium are presented. The isotopes of dubnium, 254−263 Db, are identified as α emitters, whereas isotopes such as 250−253 Db and 264−275 Db are identified as having spontaneous fission. The identified alpha emitting isotopes of dubnium have decay energies from 6 MeV to 10 MeV and half-lives 1 ms to 100 s. The possible projectile-target combinations to synthesise the superheavy nuclei 253−263 Db were predicted. The fusion of spherical projectile and target yields larger evaporation residue cross-sections.

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“…It is also evident from the literature that mass asymmetry in fission due to the fragmentation during the formation of superheavy nuclei [16]. The different decay modes such as /cluster-decay, heavy particle radioactivity and spontaneous fission half-lives are dominant in the heavy and superheavy region [17][18][19][20][21][22][23][24][25][26][27][28][29][30]. The main decay mode depends on the binding energy and type of fragmentation structure connected with them.…”

Section: Introductionmentioning

confidence: 99%