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Many experiments whose goal is the search for neutrino-less double beta decay are taking data or in a final construction stage. The need for a tool that allows for an objective comparison between the sensitivity of different experiments is…

Instrumentation and Detectors · Physics 2014-02-21 M. Biassoni , O. Cremonesi , P. Gorla

In the present work, we have predicted the half-lives for the $\beta^{-}$ decay for higher forbidden unique transitions in the mass range of nuclei from A = 40-138. For these transitions, the experimental data for half-lives are not…

Nuclear Theory · Physics 2024-09-18 Archana Saxena , Praveen C. Srivastava

The $\beta$-decay half-lives of neutron-rich nuclei with $20 \leqslant Z \leqslant 50$ are systematically investigated using the newly developed fully self-consistent proton-neutron quasiparticle random phase approximation (QRPA), based on…

Nuclear Theory · Physics 2013-05-27 Z. M. Niu , Y. F. Niu , H. Z. Liang , W. H. Long , T. Nikšić , D. Vretenar , J. Meng

We present a novel method for measuring the half-life of highly charged radioisotopes by non-destructive nuclear recoil detection in a Penning ion trap. A specific emphasis is placed on $\rm ^7Be^{3+}$, which plays a crucial role in stellar…

Instrumentation and Detectors · Physics 2025-08-12 Scott Moroch , Carolyn Chun , Doug VanDerwerken , Ariana Shearin , Brian Beaudoin , Klaus Blaum , Timothy Koeth

To measure the main characteristics of radiative neutron decay, namely its relative intensity BR (branching ratio), it is necessary to measure the spectra of double coincidences between beta-electron and proton as well as the spectra of…

The self-consistent proton-neutron quasiparticle random phase approximation approach is employed to calculate $\beta$-decay half-lives of neutron-rich even-even nuclei with $8\leqslant Z \leqslant 30$. A newly proposed nonlinear…

Nuclear Theory · Physics 2016-03-23 Z. Y. Wang , Z. M. Niu , Y. F. Niu , J. Y. Guo

We present a technique for separating nuclear double beta decay ($\beta\beta$-decay) events from background neutrino interactions due to $^{8}$B decays in the sun. This background becomes dominant in a kiloton-scale liquid-scintillator…

Instrumentation and Detectors · Physics 2017-03-08 Andrey Elagin , Henry Frisch , Brian Naranjo , Jonathan Ouellet , Lindley Winslow , Taritree Wongjirad

A measurement of neutrinoless double beta decay in one isotope does not allow to determine the underlying physics mechanism. We discuss the discrimination of mechanisms for neutrinoless double beta decay by comparing ratios of half life…

High Energy Physics - Phenomenology · Physics 2008-11-26 F. Deppisch , H. Päs

Nuclear radial distance is a prerequisite for generating any alpha-decay half-life formula by taking a suitable effective potential. We study the emission process of alpha particles from an isolated quasi-bound state generated by an…

Nuclear Theory · Physics 2018-08-01 Swagatika Bhoi , Basudeb Sahu

We employ, within the framework of Skyrme energy-density functional theory, the subtracted second random-phase approximation, recently developed for charge-exchange excitations, to compute $\beta$-decay half-lives in four nuclei, $^{24}$O,…

Nuclear Theory · Physics 2025-06-24 Danilo Gambacurta , Marcella Grasso

Bound-state $\beta^-$-decay is a rare radioactive process where the created electron is trapped in an atomic orbital instead of being emitted. It can be observed in highly ionized atoms in particular when normal beta decay is energetically…

Nuclear Theory · Physics 2025-07-14 Priyanka Choudhary , Chong Qi

A detailed study of $\alpha$-clusters decay is exhibited by incorporating crucial microscopic nuclear structure information into the estimations of half-life and preformation factor. For the first time, using the k-cross validation…

Nuclear Theory · Physics 2024-02-08 G. Saxena , P. K. Sharma , Prafulla Saxena

The pseudo SU(3) approach has been used to describe many low-lying rotational bands, as well as BE(2) and B(M1) intensities in rare earth and actinide nuclei, both with even-even and odd-mass numbers . The double beta half lives of some of…

For the first time, half-lives and energy spectra of forbidden $\beta$ decays are calculated within the realistic shell model. Namely, we approach this issue starting from a realistic nucleon-nucleon potential and deriving effective…

Nuclear Theory · Physics 2024-07-04 G. De Gregorio , R. Mancino , L. Coraggio , N. Itaco

For r-process nucleosynthesis the beta decay rates of very neutron-rich nuclei are important ingredients. We consider the region around the neutron number N=82 and calculate the half-lives and rates for a number of nuclei. Forms for beta…

Astrophysics · Physics 2008-12-01 Kamales Kar , Soumya Chakravarti

Nuclei will play a prominent role in searches for physics beyond the Standard Model as the active material in experiments. In order to reliably interpret new physics signals, one needs an accurate model of the underlying nuclear dynamics.…

Nuclear Theory · Physics 2024-12-06 Garrett B. King , Saori Pastore

The mechanism of beta decay in nature is not understood yet. Mirrored energy spectra of electron and antineutrino can clarify the situation. A special experiment is needed to measure antineutrino spectrum from known beta-decaying isotope to…

High Energy Physics - Phenomenology · Physics 2021-02-26 S. V. Silaeva , V. V. Sinev

Tremendous efforts are required to scale the summit of observing neutrinoless double beta decay ($0 \nu \beta \beta$). This article quantitatively explores the interplay between exposure (target mass X data taking time) and background…

High Energy Physics - Experiment · Physics 2020-01-28 M. K. Singh , H. T. Wong , L. Singh , V. Sharma , V. Singh , Q. Yue