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Related papers: Proton emission systematics along proton drip line

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Emission processes including $\alpha$-decay, heavy cluster decays, proton and di-proton emission are analyzed in terms of the well known factorisation between the penetrability and reduced width. By using a shifted harmonic oscilator plus…

Nuclear Theory · Physics 2009-09-01 D. S. Delion

The simultaneous emission of two protons is an exotic and complex three-body process. It is very important for experimental groups investigating the nuclear stability on the proton drip line to have a simple rule predicting the two-proton…

Nuclear Theory · Physics 2022-03-14 D. S. Delion , S. A. Ghinescu

A very simple formula is presented that relates the logarithm of the half-life, corrected by the centrifugal barrier, with the Coulomb parameter in proton decay processes. The corresponding experimental data lie on two straight lines which…

Nuclear Theory · Physics 2009-11-11 D. S. Delion , R. J. Liotta , R. Wyss

In the present study, proton emission half-lives have been investigated for the deformed proton emitters with $53\leq Z \leq 83$ in the deformed Gamow-like model, where the deformation effect has been included in the Coulomb potential. The…

Nuclear Theory · Physics 2024-03-08 Dong-Meng Zhang , Xiao-Yuan Hu , Lin-Jing Qi , Hong-Ming Liu , Ming Li , Xiao-Hua Li

The proton radioactivity half-lives of spherical proton emitters are investigated theoretically. The potential barriers preventing the emission of protons are determined in the quasimolecular shape path within a generalized liquid drop…

Nuclear Theory · Physics 2009-08-12 J. M. Dong , H. F. Zhang , G. Royer

In the present work we systematically study the half--lives of proton radioactivity for $51 \leq Z \leq 83$ nuclei based on the Gamow--like model with a screened electrostatic barrier. In this model there are two parameters while…

Nuclear Theory · Physics 2019-05-09 Jiu-Long Chen , Xiao-Hua Li , Jun-Hao Cheng , Jun-Gang Deng , Xi-Jun Wu

The focus of this work is to create benchmark simulations of decay rates to statistical equilibrium in transport plasma models for Coulomb particle interactions given by a coupled Vlasov-Poisson Fokker-Planck-Landau equation, as well as…

Statistical Mechanics · Physics 2020-09-24 Clark A. Pennie , Irene M. Gamba

We develop a new fully quantum method for determination of widths for nuclear decay by proton emission where multiple internal reflections of wave packet describing tunneling process inside proton--nucleus radial barrier are taken into…

Nuclear Theory · Physics 2010-02-01 Sergei P. Maydanyuk , Sergei V. Belchikov

Beta-delayed proton emission in the lower half of the sd-shell will involve deformed nuclei. We derive the normalized matrix element connecting emission of one particle from an initial rotational nuclear state to another final rotating…

Nuclear Theory · Physics 2025-01-22 K. Riisager , E. A. M. Jensen , A. S. Jensen

The Schr\"odinger equation and Bloch theorem are applied to examine a system of protons confined within a periodic potential, accounting for deviations from ideal harmonic behavior due to real-world conditions like truncated and…

General Physics · Physics 2024-05-08 L. Gamberale , G. Modanese

We discuss two approaches which, by applying the screening method, permit one to include the long range proton-proton (pp) Coulomb force in proton-deuteron (pd) momentum-space scattering calculations. In the first one, based on…

Nuclear Theory · Physics 2024-02-13 H. Witała , J. Golak , R. Skibiński

Half-lives of proton emission for Z$\ge$51 nuclei are calculated within a simple analytical model based on the WKB approximation for the barrier penetration probability which includes the centrifugal and overlapping effects besides the…

Nuclear Theory · Physics 2017-09-13 R. Budaca , A. I. Budaca

On the basis of the exact relations the general formula for the static dielectric permittivity for Coulomb system is found in the region of small wave vectors. The obtained formula describes the dielectric function of the Coulomb system in…

Statistical Mechanics · Physics 2017-08-02 V. B. Bobrov , S. A. Trigger

We calculate the rate of the rare decay $^{11}\text{Be}$ into $^{10}\text{Be} + p +e^- + \bar{\nu}_e$ using Halo effective field theory, thereby describing the process of beta-delayed proton emission. We assume a shallow $1/2^+$ resonance…

Nuclear Theory · Physics 2021-09-13 Wael Elkamhawy , Zichao Yang , Hans-Werner Hammer , Lucas Platter

Proton-rich nuclei possess unique properties in the nuclear chart. Due to the presence of both continuum coupling and Coulomb interaction, phenomena such as halos, Thomas-Ehrman shift, and proton emissions can occur. Experimental data are…

Nuclear Theory · Physics 2021-04-30 N. Michel , J. G. Li , F. R. Xu , W. Zuo

This work extends the previously developed mean force emission theory to describe electron-ion plasmas. Results are compared to molecular dynamics simulations. The main extensions are to account for the attractive nature of electron-ion…

Plasma Physics · Physics 2025-06-09 Julian P. Kinney , Heath J. LeFevre , Carolyn C. Kuranz , Scott D. Baalrud

The slow dynamics for a colloidal suspension of particles interacting with a hard-core repulsion complemented by a short-ranged attraction is discussed within the frame of mode-coupling theory for ideal glass transitions for parameter…

Soft Condensed Matter · Physics 2007-05-23 Matthias Sperl

Debye shielding, collisional transport, Landau damping of Langmuir waves, and spontaneous emission of these waves are introduced, in typical plasma physics textbooks, in different chapters. This paper provides a compact unified introduction…

Plasma Physics · Physics 2012-11-26 Dominique Escande , Fabrice Doveil , Yves Elskens

The process of proton emission from nuclei is studied by utilizing the two-potential approach of Gurvitz and Kalbermann in the context of the full many-body problem. A time-dependent approach is used for calculating the decay width.…

The possibility of the magnetic monopole decay in the constant electric field is investigated and the exponential factor in the probability is obtained. Corrections due to Coulomb interaction are calculated. The relation between masses of…

High Energy Physics - Theory · Physics 2009-11-11 A. K. Monin
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