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Related papers: Electron Screening in 7Be + p --> 8B + photon reac…

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We evaluate the effect of screening by bound electron in the 7Be + p --> 8B + photon reaction, where 7Be target contains bound electron, in the framework of the adiabatic representation of the three particle problem. A comparison with two…

Astrophysics · Physics 2009-10-30 V. B. Belyaev , D. E. Monakhov , D. V. Naumov , F. M. Penkov

How important would be a precise assessment of the electron screening effect, on determining the bare astrophysical $S$-factor ($S_b(E)$) from experimental data? We compare the $S_b(E)$ obtained using different screening potentials, (1) in…

Nuclear Theory · Physics 2011-04-11 Sachie Kimura , Aldo Bonasera

We calculate the electron screening effect in low energy nuclear fusion reactions by taking non-adiabaticity of the tunnleing process into account. In order to investigate deviations from the adiabatic limit, we use the dynamical norm…

Nuclear Theory · Physics 2009-09-25 K. Hagino , N. Takigawa , M. Abe

Screening effects of electrons on inhomogeneous nuclear matter, which includes spherical, slablike, and rodlike nuclei as well as spherical and rodlike nuclear bubbles, are investigated in view of possible application to cold neutron star…

Nuclear Theory · Physics 2009-11-10 Gentaro Watanabe , Kei Iida

We study the effect of screening by bound electrons in low energy nuclear reactions. We use molecular dynamics to simulate the reactions involving many electrons: D+$d$, D+D, $^3$He+$d$, $^3$He+D, $^6$Li+$d$, $^6$Li+D, $^7$Li+$p$, $^7$Li+H.…

Nuclear Theory · Physics 2009-11-11 S. Kimura , A. Bonasera , S. Cavallaro

We have studied the 7Be(p,photon)8B reaction in the Halo effective field theory (EFT) framework. The leading order (LO) results were published in Phys.Rev.C89,051602(2014) after the isospin mirror process, 7Li(n,photon)8Li, was addressed in…

Nuclear Theory · Physics 2015-08-28 Xilin Zhang , Kenneth M. Nollett , D. R. Phillips

Two models are presented for the description of the electron screening effects that appear in laboratory nuclear reactions at astrophysical energies. The two-electron screening energy of the first model agrees very well with the recent LUNA…

Nuclear Theory · Physics 2009-11-06 Theodore E. Liolios

We consider several nuclear fusion reactions that take place at the center of the sun, which are omitted in the standard pp-chain model. More specifically the reaction rates of the nonradiative production of ^3He, ^7Be, and ^8B nuclei in…

The capture of electrons by the nucleus $^{7}Be$ from the three-body initial state $p+e^{-}+^{7}Be$ in the continuum is studied. On the basis of the expansion of the three-body continuum wave function in the small parameter $\epsilon\approx…

Astrophysics · Physics 2008-11-26 V. B. Belyaev , M. Tater , E. Truhlik

The effect of screening by atomic electrons on the behavior of electron and positron wave functions in the continuous spectrum at small distances is studied. It is shown that these asymptotics are affected not only by the static potential…

Atomic Physics · Physics 2025-01-28 P. A. Krachkov , A. I. Milstein

We make a multipole expansion of the atomic/molecular electrostatic charge distribution as seen by the valence electron up to the quadrupole term. The Tridiagonal Representation Approach (TRA) is used to obtain an exact bound state solution…

Quantum Physics · Physics 2019-04-02 A. D. Alhaidari , H. Bahlouli

Study of the role of the electron screening in the $\alpha$ decay is advanced, aimed at the experimental test in the storage rings. To this end, systematic calculation of the effect in heavy ions of the nuclei within the Ra to Po domain of…

Nuclear Theory · Physics 2022-02-23 F. F. Karpeshin , M. B. Trzhaskovskaya , L. F. Vitushkin

The Sudbury Neutrino Observatory has recently finished its third and final phase, and has accumulated over 1082 days of neutrino data, spanning the energy range from approximately 5-20 MeV. Almost all the observed neutrinos are due to the…

High Energy Physics - Experiment · Physics 2019-08-13 Chris Howard

Recent laboratory experiments have measured fusion cross sections at center-of-mass energies low enough for the effects of atomic and molecular electrons to be important. To extract the cross section for bare nuclei from these data (as…

Nuclear Theory · Physics 2009-10-28 T. D. Shoppa , M. Jeng , S. E. Koonin , K. Langanke , R. Seki

Several nuclear reactions involving the Be7 nucleus, not included into the standard model of the pp-chain, are discussed. A qualitative analysis of their possible influence on the fate of the Be7 in solar plasma and of their role in the…

Nuclear Theory · Physics 2009-10-30 D. E. Monakhov , V. B. Belyaev , S. A. Sofianos , S. A. Rakityansky , W. Sandhas

The interplay between nuclear and electromagnetic forces in astrophysical relevant reactions at very low energies is nowadays one of the major subjects of investigation in nuclear astrophysics. Puzzling results concerning the role of…

Nuclear Theory · Physics 2010-10-22 Agatino Musumarra

We estimate the nuclear fusion rates for the transition OH-->F from the ground and excited molecular states and also consider effect of screening of electric charges of nuclei by bound electrons in the case of colliding atoms O and H. We…

Nuclear Theory · Physics 2007-05-23 V. B. Belyaev , D. V. Naumov , F. M. Penkov

Reactions between light charged nuclei at sub-Coulomb energies are crucial in astrophysical environments, but accurate cross-section measurements are hindered by electron screening. Traditional methods, including polynomial extrapolation…

Nuclear Theory · Physics 2025-06-11 D. Chattopadhyay

This paper presents a detailed study of the electron degeneracy and nonlinear screening effects which play a crucial role in the validity of Salpeter's weak-screening model. The limitations of that model are investigated and an improved one…

Nuclear Theory · Physics 2009-09-29 Theodore E. Liolios

We present analytical solutions to a quantum-mechanical three-body problem in three dimensions, which describes a helium-like two-electron atom. Similarly to Hooke's atom, the Coulombic electron-nucleus interaction potentials are replaced…

Quantum Physics · Physics 2017-02-15 C. A. Downing
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