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Related papers: First access to beta half-lives approaching the r-…

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Using the finite temperature quasi-particle random phase approximation (FTQRPA) on the basis of finite temperature Skyrme-Hartree-Fock + BCS method, we study $\beta^-$-decay half-lives for even-even neutron magic nuclei with N=82 in a…

Nuclear Theory · Physics 2010-01-11 F. Minato , K. Hagino

The results of a study of the beta decays of three proton-rich nuclei with $T_z=\text{-}2$, namely $^{48}$Fe, $^{52}$Ni and $^{56}$Zn, produced in an experiment carried out at GANIL, are reported. In all three cases we have extracted the…

In this work we studied $\beta$-decay properties for deformed neutron-rich nuclei in the region Z=36-43. We use the deformed pn-QRPA methods with the realistic CD-Bonn forces, and include both the Gamow-Teller and first-forbidden types of…

Nuclear Theory · Physics 2015-02-10 Dong-Liang Fang , B. Alex Brown , Toshio Suzuki

The lifetime of the Lambda-hyperon for the nonmesonic decay Lambda N ---> N N has been determined by a measurement at COSY Juelich of the delayed fission of heavy hypernuclei produced in proton - Au collisions at T_p=1.9 GeV. It is found…

High Energy Physics - Experiment · Physics 2009-10-31 B. Kamys , P. Kulessa , H. Ohm , K. Pysz , Z. Rudy , H. Stroeher , W. Cassing

This manuscript reviews recent progress in our understanding of the nucleosynthesis of medium and heavy elements in supernovae. Recent hydrodynamical models of core-collapse supernovae show that a large amount of proton rich matter is…

50% of the heavy element abundances are produced via slow neutron capture reactions in different stellar scenarios. The underlying nucleosynthesis models need the input of neutron capture cross sections. One of the fundamental signatures…

Possibilities to search for double beta decay of alpha/beta unstable nuclei, many of which have higher energy release than "conventional" (beta stable) double beta decay candidates, are discussed. First experimental half-life limits on…

Nuclear Experiment · Physics 2009-11-10 V. I. Tretyak , F. A. Danevich , S. S. Nagorny , Yu. G. Zdesenko

The production cross section of neutron-rich isotopes of Ca, Zn, Te, Xe, and Pt are predicted in the diffusive multi-nucleon transfer reactions with stable and radioactive beams. With these isotopes one can treat the neutron shell evolution…

Nuclear Theory · Physics 2015-06-19 Myeong-Hwan Mun , G. G. Adamian , N. V. Antonenko , Yongseok Oh , Youngman Kim

Weak decays in heavy nuclei with charge numbers Z=101-109 are studied within a microscopic formalism based on deformed self-consistent Skyrme Hartree-Fock mean-field calculations with pairing correlations. The half-lives of beta+ decay and…

Nuclear Theory · Physics 2020-11-16 Pedro Sarriguren

We perform a Markov Chain Monte Carlo (MCMC) statistical analysis of a number of measured ground-state-to-ground-state single $\beta^+$/electron-capture and $\beta^-$ decays in the nuclear mass range A = 62 - 142. The corresponding…

Nuclear Theory · Physics 2016-11-15 Frank F. Deppisch , Jouni Suhonen

The first-forbidden transition of nuclear $\beta$ decay is expected to play crucial roles in many aspects in nuclear physics, nuclear astrophysics and particle physics such as the stellar $\beta$-decay rates and the reactor anti-neutrino…

Nuclear Theory · Physics 2023-10-31 Bin-Lei Wang , Long-Jun Wang

We tabulate the ground-state odd-proton and odd-neutron spins and parities, proton and neutron pairing gaps, binding energy, one- and two-neutron separation energies, quantities related to beta-delayed one- and two-neutron emission…

Nuclear Theory · Physics 2007-05-23 P. Moller , J. R. Nix , K. -L. Kratz

The low-energy structure of 231Ac has been investigated by means of gamma ray spectroscopy following the beta-decay of 231Ra. Multipolarities of 28 transitions have been established by measuring conversion electrons with a mini-orange…

The aim of this work is experimental discovery and research of a rare neutron mode, the radiative beta-decay, where a new particle, the radiative gamma-quantum, is formed along with the expected decay products beta-electron, recoil proton…

$\beta$-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…

A systematic study of the $\beta$-decay of neutron-deficient nuclei has been carried out and has provided spectroscopic information of importance for both nuclear structure and nuclear astrophysics. Following an overview of the most…

Nuclear Experiment · Physics 2023-03-23 S. E. A. Orrigo , B. Rubio , W. Gelletly

The nuclear fission of very neuron-rich nuclei related to the r-process is essential for the termination of nucleosynthesis flows on the nuclear chart and the final abundances. Nevertheless, most of the available fission data for the…

The nucleosynthesis of elements beyond iron is dominated by the s and r processes. However, a small amount of stable isotopes on the proton-rich side cannot be made by neutron capture and are thought to be produced by photodisintegration…

Astrophysics · Physics 2009-06-30 I. Dillmann , M. Heil , F. Käppeler , T. Rauscher , F. -K. Thielemann

The last decades brought an impressive progress in synthesizing and studying properties of nuclides located very far from the beta stability line. Among the most fundamental properties of such exotic nuclides, usually established first, is…

Nuclear Experiment · Physics 2015-06-03 M. Pfützner , L. V. Grigorenko , M. Karny , K. Riisager

We present our recent study of cross sections and angular distributions of projectile fragments from heavy-ion reactions at beam energy of 15 MeV/nucleon. We studied the production cross sections and the angular distributions of…

Nuclear Experiment · Physics 2021-03-22 O. Fasoula , G. A. Souliotis , Y. K. Kwon , K. Tshoo , M. Veselsky , S. J. Yennello , A. Bonasera