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Related papers: Beta-decay studies for applied and basic nuclear p…

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The non-parametric bootstrap method is used to evaluate the uncertainties of two $\alpha$ decay formulas, the universal decay law (UDL) and the new Geiger-Nuttall law (NGNL). Such a method can simultaneously obtain the uncertainty of each…

Nuclear Theory · Physics 2020-05-20 Boshuai Cai , Guangshang Chen , Jiongyu Xu , Cenxi Yuan , Chong Qi , Yuan Yao

In this work, the large-scale shell-model calculations for $\beta$-decay properties have been done. The $\beta$-delayed $\gamma$-ray spectroscopy has been performed recently at ILL, Grenoble [M. Si \textit{et al.}, Phys. Rev. C {\bf 106},…

Nuclear Theory · Physics 2023-01-27 Shweta Sharma , Praveen C. Srivastava , Anil Kumar

The study of neutrinoless double beta decay has attracted much attention as it can provide valuable information about the mass and the nature of the neutrino. The double beta decay (DBD) itself is also of interest in nuclear physics. While…

Instrumentation and Detectors · Physics 2021-11-18 Swati Thakur , A. Mazumdar , R. Shah , V. Vatsa , V. Nanal , M. S. Pose , Pushpendra P. Singh , P. K. Raina , R. G. Pillay

The article provides a theoretical substantiation for a significant increase in the level of accuracy in determining the neutron lifetime using an alternative concept of neutron beta decay. Neutrons are distributed among different subsets…

Nuclear Theory · Physics 2023-08-03 V. V. Vasiliev

Precision measurements in allowed nuclear beta decays and neutron decay are reviewed and analyzed both within the Standard Model and looking for new physics. The analysis incorporates the most recent experimental and theoretical…

High Energy Physics - Phenomenology · Physics 2021-07-06 Adam Falkowski , Martín González-Alonso , Oscar Naviliat-Cuncic

The results of experimental investigations of changes in beta-decay count rate of radioactive elements, are presented, and an explanation of those on the base of a new physical conception of forming the observed three-dimensional space from…

High Energy Physics - Experiment · Physics 2016-08-31 Yu. A. Baurov , A. A. Konradov , V. F. Kushniruk , Yu. G. Sobolev

Beta-delayed neutron emission is important for nuclear structure and astrophysics as well as for reactor applications. Significant advances in nuclear experimental techniques in the past two decades have led to a wealth of new measurements…

The RENO experiment reports measured flux and energy spectrum of reactor electron antineutrinos\,($\overline{\nu}_e$) from the six reactors at Hanbit Nuclear Power Plant. The measurements use 966\,094\,(116\,111)\,$\overline{\nu}_e$…

We report on key signal contributions in photothermal deflection spectroscopy (PDS) of semiconductors at photon energies below the bandgap energy and show how to extract the actual absorption properties from the measurement data. To this…

Materials Science · Physics 2019-07-24 Walter Dickmann , Johannes Dickmann , Florian Feilong Bruns , Stefanie Kroker

We analyze the cross section for inverse beta decay, focusing on the moderate energies (a few MeV to hundreds of MeV) relevant for reactor and supernova neutrinos. We discuss the updated evaluations of values and uncertainties in the cross…

High Energy Physics - Phenomenology · Physics 2025-02-25 Giulia Ricciardi , Natascia Vignaroli , Francesco Vissani

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

Experiments using nuclei to probe new physics beyond the Standard Model, such as neutrinoless $\beta\beta$ decay searches testing whether neutrinos are their own antiparticle, and direct detection experiments aiming to identify the nature…

Nuclear Theory · Physics 2017-03-28 Javier Menéndez

Background: The understanding and description of forbidden decays provides interesting challenges for nuclear theory. These calculations could help to test underlying nuclear models and interpret experimental data. Purpose: Compare a direct…

Recently synthesis of superheavy nuclei has been achieved in hot fusion reactions. A systematic theoretical calculation of alpha decay half-lives in this region of the periodic system, may be useful in the identification of new nuclei in…

Nuclear Theory · Physics 2011-02-15 Frank Bello , Javier Aguilera , Oscar Rodríguez

The direct measuring method is considered to get nuclear reactor antineutrino spectrum. We suppose to isolate partial spectra of the fissile isotopes by using the method of antineutrino spectrum extraction from the inverse beta decay…

High Energy Physics - Phenomenology · Physics 2009-02-24 V. V. Sinev

A new evaluation of 2beta-decay half lives and their systematics is presented. These data extend the previous evaluation and include the analysis of all recent measurements. The nuclear matrix elements for 2beta-decay transitions in 12…

Nuclear Theory · Physics 2014-07-09 Boris Pritychenko

The $\beta$-delayed neutron emission in the $^{85, 86}$As $\beta$-decays has been measured at the Ion Guide Isotope Separator On Line facility of the Accelerator Laboratory of the University of Jyv\"askyl\"a. The complete $\beta$-decays…

$\beta$-decay, a process that changes a neutron into a proton (and vice versa), is the dominant decay mode of atomic nuclei. This decay offers a unique window to physics beyond the standard model, and is at the heart of microphysical…

Reaction measurements on fission products are being planned at both Argonne National Lab and at the Facility for Rare Isotope Beams. These indirect experiments produce specific short-lived nuclei via beta decay, and the subsequent neutron…

Nuclear Theory · Physics 2023-06-21 Oliver Gorton , Calvin Johnson , Jutta Escher