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We considered the systematics of $\alpha$-decay (AD) half-life (HL) of super-heavy nuclei versus the decay energy and the total $\alpha$-kinetic energy. We calculated the HL using the experimental Q_{$\alpha$} values. The computed…

Nuclear Theory · Physics 2017-06-28 S. S. Hosseini , H. Hassanabadi

In the present work, we study {\alpha} decay and proton emission half-lives within the modified Gamow-like model, which introduces the effects of the nucleus's deformation. The calculations show that it is necessary to consider the…

Nuclear Theory · Physics 2022-12-07 Qiong Xiao , Jun-Hao Cheng , Tong-Pu Yu

The allowed Gamow-Teller (GT) transitions are the most common weak nuclear processes of spin-isospin $(\sigma\tau)$ type. These transitions play a key role in numerous processes in the domain of nuclear physics. Equally important is their…

Nuclear Theory · Physics 2025-05-13 Jameel-Un Nabi , Necla Cakmak , Muhammad Majid , Cevad Selam

For r-process nucleosynthesis the beta decay rates for a number of neutron-rich intermediate heavy nuclei are calculated. The model for the beta strength function is able to reproduce the observed half~lives quite well.

Astrophysics · Physics 2008-11-26 Kamales Kar , Soumya Chakravarti , V. R. Manfredi

In this paper, $\beta^-$ and $\beta$-delayed neutron decays of $^{46,47}$Cl are reported from an experiment carried out at the National Superconducting Cyclotron Laboratory using the Beta Counting System. The half-lives of both $^{46}$Cl…

Using the time-of-flight technique, we measured the beta-delayed neutron emission of $^{132}$Cd. From our large-scale shell model (LSSM) calculation using the N$^3$LO interaction [Z.Y. Xu et al., Phys. Rev. Lett. 131, 022501 (2023)], we…

The half-life of the 2 neutrino double-beta-decay of 160Gd, a process which was previously reported as theoretically forbidden, is estimated by including the pairing interaction, which mixes different occupations and opens channels for the…

Nuclear Theory · Physics 2009-11-07 Jorge G. Hirsch , Octavio Castanos , Peter O. Hess , Osvaldo Civitarese

The $\beta$-decay half-lives of $^{128\text{--}130}$Cd have been measured with the newly commissioned GRIFFIN $\gamma$-ray spectrometer at the TRIUMF-ISAC facility. The time structures of the most intense $\gamma$-rays emitted following the…

Nuclear Experiment · Physics 2017-11-16 Dunlop , R. , Bildstein , V. , Dillmann , I. , Jungclaus , A. , Svensson , C. E. , Andreoiu , C. , Ball , G. C. , Bernier , N. , Bidaman , H. , Boubel , P. , Burbadge , C. , Caballero-Folch , R. , Dunlop , M. R. , Evitts , L. J. , Garcia , F. , Garnsworthy , A. B. , Garrett , P. E. , Hackman , G. , Hallam , S. , Henderson , J. , Ilyushkin , S. , Kisliuk , D. , Krücken , R. , Lassen , J. , Li , R. , MacConnachie , E. , MacLean , A. D. , McGee , E. , Moukaddam , M. , Olaizola , B. , Padilla-Rodal , E. , Park , J. , Paetkau , O. , Petrache , C. M. , Pore , J. L. , Radich , A. J. , Ruotsalainen , P. , Smallcombe , J. , Smith , J. K. , Tabor , S. L. , Teigelhöfer , A. , Turko , J. , Zidar , T

The $(\beta ^{-}\beta ^{-})_{0\nu}$ decay of $^{94,96}$Zr, $^{98,100}$Mo, $^{104}$Ru, $^{110}$Pd, $^{128,130}$Te and $^{150}$Nd isotopes for the $0^{+}\to 0^{+}$ transition is studied in the Projected Hartree-Fock-Bogoliubov framework. In…

Nuclear Theory · Physics 2009-11-13 K. Chaturvedi , R. Chandra , P. K. Rath , P. K. Raina , J. G. Hirsch

Systematic alpha-nucleus folding potentials are used to analyze alpha-decay half-lives of superheavy nuclei. Preformation factors of about several per cent are found for all nuclei under study. The systematic behavior of the preformation…

Nuclear Theory · Physics 2014-11-18 Peter Mohr

Weak decays in superheavy nuclei with proton numbers Z = 118 - 120 and neutron numbers N = 175 - 184 are studied within a microscopic formalism based on deformed self-consistent Skyrme Hartree-Fock mean-field calculations with pairing…

Nuclear Theory · Physics 2021-02-23 Pedro Sarriguren

The expression for super-allowed beta-decay transition rates have been derived within the context of Coriolis coupling model. The derived expressions, valid for the beta-decay between any two mirror nuclei, has been applied to calculate…

Nuclear Theory · Physics 2009-04-06 M. Sultan Parvez , F. Bary Malik

Beta-decay rates for spherical neutron-rich r-process waiting-point nuclei are calculated within a fully self-consistent Quasiparticle Random-Phase Approximation, formulated in the Hartree-Fock-Bogolyubov canonical single-particle basis.…

Nuclear Theory · Physics 2009-10-31 J. Engel , M. Bender , J. Dobaczewski , W. Nazarewicz , R. Surman

A many body Hamiltonian involving the mean field for a projected spherical single particle basis, the pairing interactions for alike nucleons and the dipole-dipole proton-neutron interactions in the particle-hole ($ph$) and…

Nuclear Theory · Physics 2011-01-28 C. M. Raduta , A. A. Raduta

Alpha emission from a nucleus is a fundamental decay process in which the alpha particle formed inside the nucleus tunnels out through the potential barrier. We describe alpha decay of $^{212}$Po and $^{104}$Te by means of the configuration…

Nuclear Theory · Physics 2012-10-01 R. Id Betan , W. Nazarewicz

In this paper, we have calculated the $\alpha$-decay half-lives of superheavy nuclei with $106 \leq Z \leq 126$ and a neutron number of $150 \leq N \leq 200$ within proximity potentials and deformed-spherical Coulomb potentials by using…

Nuclear Theory · Physics 2020-08-12 O. N. Ghodsi , M. Hassanzad

We propose to use charged-current neutrino-nucleus interactions as a probe of the many virtual transitions involved in neutrinoless double-beta decay. By performing neutrino and anti-neutrino interaction studies on the initial and final…

High Energy Physics - Phenomenology · Physics 2011-08-23 Cristina Volpe

The upper limit on the mass of the Majorana neutrino, extracted from the limits on the nonobservation of the neutrinoless double-$\beta$ ($0\nu\beta\beta$) decay, is hampered by uncertainties in the matrix elements of the transition…

Nuclear Theory · Physics 2025-09-10 J. Terasaki , O. Civitarese

In this study, we calculate the nuclear matrix elements (NMEs) for the light neutrino-exchange mechanism of neutrinoless double beta $0\nu\beta\beta$) decay of $^{124}$Sn within the framework of the interacting nuclear shell model using the…

Nuclear Theory · Physics 2024-03-05 Shahariar Sarkar , P. K. Rath , V. Nanal , R. G. Pillay , Pushpendra P. Singh , Y. Iwata , K. Jha , P. K. Raina

Current bounds on neutrino Majorana mass are affected by significant uncertainties in the nuclear calculations for neutrinoless double-beta decay. A key issue for a data-driven improvement of the nuclear theory is the actual value of the…