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Related papers: Atomic effects in astrophysical nuclear reactions

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The availability of the double-differential charged-current neutrino cross section, measured by the MiniBooNE collaboration using a carbon target, allows for a systematic comparison of nuclear effects in quasi-elastic electron and neutrino…

Nuclear Theory · Physics 2015-05-20 Omar Benhar

We present the first theoretical treatment of the formation of highly excited neutral H atoms (H$^{*}$) for strongly driven H$_{2}$. This process, with one electron ionizing and one captured in a Rydberg state, was recently reported in an…

Atomic Physics · Physics 2015-05-28 A. Emmanouilidou , D. Tchitchekova , C. Lazarou , U. Eichmann

We present the results of our calculation which has been performed to study the nuclear effects in the quasielastic, inelastic and deep inelastic scattering of neutrinos(antineutrinos) from nuclear targets. These calculations are done in…

Nuclear Theory · Physics 2008-08-12 M. Sajjad Athar , S. Chauhan , S. K. Singh , M. J. Vicente Vacas

Coulomb dissociation is an especially simple and important reaction mechanism. Since the perturbation due to the electric field of the nucleus is exactly known, firm conclusions can be drawn from such measurements. Electromagnetic matrix…

Nuclear Theory · Physics 2009-11-06 Gerhard Baur , Kai Hencken , Dirk Trautmann , Stefan Typel , Hermann H. Wolter

The screening of a test charge by partially degenerate non-ideal free electrons at conditions related to warm dense matter and dense plasmas is investigated using linear response theory and the local field correction based on ab inito…

Plasma Physics · Physics 2021-03-09 Zhandos Moldabekov , Tobias Dornheim , Michael Bonitz

The ultraperipheral collisions are the source of various interesting phenomena based on photon-induced reactions. We calculate cross sections for single and any number of n, p, $\alpha$, $\gamma$-rays in ultraperipheral heavy-ion collision…

We study nuclear effect in the $F^A_3(x)$ structure function in the deep inelastic neutrino reactions on iron by taking into account Fermi motion, binding, target mass correction, shadowing and anti-shadowing corrections. Calculations have…

Nuclear Theory · Physics 2015-05-14 M. Sajjad Athar , I Ruiz Simó , S. K. Singh , M. J. Vicente Vacas

Inertial confinement fusion hotspots and cluster Coulomb explosion plasmas may develop a positive net electric charge. The Coulomb barrier penetrability and the rate of nuclear fusion reactions at ultra-low energies ($\lesssim 10$ keV) are…

Nuclear Theory · Physics 2019-06-18 Salvatore Simone Perrotta , Aldo Bonasera

The electron-to-nucleon ratio or electron fraction is a key parameter in many astrophysical studies. Its value is determined by weak-interaction rates that are based on theoretical calculations subject to several nuclear physics…

Solar and Stellar Astrophysics · Physics 2010-12-15 A. Arcones , G. Martinez-Pinedo , L. F. Roberts , S. E. Woosley

Photon-nuclear reaction in a transport model frame, namely an Extended Quantum Molecular Dynamics (EQMD) model, has been realised at the photon energy of 70-140 MeV in the quasi-deuteron (QD) regime. For an important application, we pay a…

Nuclear Theory · Physics 2018-03-22 B. S. Huang , Y. G. Ma , W. B. He

A new linked cluster expansion for the calculation of ground state observables of complex nuclei with realistic interactions has been developed [1-3]; using the V8' potential [4] the ground state energy, density and momentum distribution of…

Nuclear Theory · Physics 2007-05-23 M. Alvioli , C. Ciofi degli Atti , I. Marchino , H. Morita

We analyze the effect of plasma screening on nuclear reaction rates in dense matter composed of atomic nuclei of one or two types. We perform semiclassical calculations of the Coulomb barrier penetrability taking into account a radial mean…

Solar and Stellar Astrophysics · Physics 2009-08-20 A. I. Chugunov , H. E. De Witt

The Coulomb interaction between the two protons is included in the calculation of three-nucleon hadronic and electromagnetic reactions using screening and renormalization approach. Calculations are done using integral equations in momentum…

Nuclear Theory · Physics 2008-11-26 A. Deltuva , A. C. Fonseca , P. U. Sauer

We discuss a possibility to observe fast secondary electrons ($\delta-$electrons) during nuclear $\beta^{-}$-decay in few-electron atoms and ions. Formulas for the corresponding probabilities and explicit expression for the energy spectrum…

Nuclear Theory · Physics 2016-02-17 Alexei M. Frolov

Neutrino-nucleus reactions as applied to astrophysics are reviewed.

Nuclear Theory · Physics 2010-12-28 K. Kubodera , S. Nozawa

We investigate neutrino-nucleus collisions at intermediate energies incorporating quasi-elastic scattering and the excitation of 13 resonances as elementary processes, taking into account medium effects such as Fermi motion, Pauli blocking,…

Nuclear Experiment · Physics 2009-09-29 T. Leitner , O. Buss , U. Mosel , L. Alvarez-Ruso

In conventional nuclear experiments a beam of accelerated nuclei collides with a target nucleus that is surrounded by other nuclei in a molecule, in condensed matter, or in a plasma environment. It is shown that for low collision energies…

Nuclear Theory · Physics 2007-05-23 M. Yu. Kuchiev , B. L. Altshuler , V. V. Flambaum

A relationship between the Coulomb inclusive break-up probability and the radiative capture reaction rate for weakly-bound three-body systems is established. This direct link provides a robust procedure to estimate the reaction rate for…

Nuclear Theory · Physics 2016-04-22 J. Casal , M. Rodríguez-Gallardo , J. M. Arias , J. Gómez-Camacho

The description of the dynamics of an electron in an external electromagnetic field of arbitrary intensity is one of the most fundamental outstanding problems in electrodynamics. Remarkably, to date there is no unanimously accepted…

Nuclear processes in solid environment are investigated. It is shown that if a slow, quasi-free heavy particle of positive charge interacts with a "free" electron of a metallic host, it can obtain such a great magnitude of momentum in its…

General Physics · Physics 2017-01-25 Péter Kálmán , Tamás Keszthelyi
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