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-decay half-lives of superheavy nuclei from a modified generalized liquid-drop model

Santhosh, K. P.; Nithya, C.; Hassanabadi, H.; Akrawy, Dashty T.

doi:10.1103/physrevc.98.024625

Cited by 52 publications

(24 citation statements)

References 33 publications

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“…Royer et al [59,60] studied emission of light nuclei using generalized liquid drop model (GLDM) by taking an account mass and charge asymmetry. However, many researchers [61][62][63] have modified the proximity potential and studied and heavy particle radioactivity. In the present work, the generalized liquid drop model (GLDM) has been modified by replacing E prox with the nuclear potential in which the Danisov 2002 proximity potential [58] were included.…”

Section: Resultsmentioning

confidence: 99%

Investigations on Fission of Compound Nuclei with Z=120

Manjunatha

Sowmya

et al. 2021

Braz J Phys

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Section: Resultsmentioning

confidence: 99%

Investigations on Fission of Compound Nuclei with Z=120

Manjunatha

Sowmya

et al. 2021

Braz J Phys

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“…A potential cause for this behavior was identified. This has to do with the fact that, in GLDM, the diffuseness parameter b eff is set to a constant equal to 0.99 fm for all SHN [33,[35][36][37]. The GLDM potential is the sum of volume, surface, Coulomb, and proximity potentials.…”

Section: Resultsmentioning

confidence: 99%

$α$-decay half-lives of superheavy nuclei with $Z=122-125$

Nagib

2021

Preprint

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For α decay half-life calculations in this work, the Coulomb and proximity potential model with a new semiempirical formula for diffuseness parameter developed in previous work [Phys. Rev. C 100, 024601 (2019)] is used. The present model in this work is compared with the generalized liquid-drop model (GLDM), universal decay law (UDL), and experimental half-lives in the region Z = 104 − 118. Next, the predicted half-lives of 51 superheavy nuclei (SHN) with Z = 122 − 125 by the present model are compared with those of GLDM, and UDL. The present model is revealed to be more accurate in reproducing experimental half-lives compared to GLDM and UDL. Moreover, it is found that the predictions of the present model and UDL are highly consistent while GLDM largely deviates from the other two. A study of the competition between α decay and spontaneous fission (SF) shows that α decay is the dominant mode. Among the studied SHN with Z = 122−125, 295−307 122 and 314−320 125 are identified as potential candidates whose half-lives are relatively long enough to be experimentally detected in the future through their α-decay chains. The identified candidates are in good agreement with other recent work.

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“…The authors used dinuclear system (DNS) model in which the capture cross-section is taken as the sum of the We have studied the dominant decay modes of SHE by comparing the α decay half-lives and spontaneous fission half-lives. The α decay half-lives are calculated using our model (MGLDM) [49] and SF half-lives are calculated using semi-empirical relation given by Santhosh et al [46]. The nuclei with alpha decay half-lives less than the SF half-lives survive fission and thus can be detected in laboratories via alpha decay.…”

Section: -250mentioning

confidence: 99%