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Related papers: Laser-assisted nuclear photoeffect reexamined

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To estimate realistic cross sections in ultra peripheral heavy ion collisions we must remove effects of strong absorption. One method to eliminate these effects make use of a Glauber model calculation, where the nucleon-nucleon energy…

Nuclear Theory · Physics 2009-11-10 C. G. Roldao , A. A. Natale

Several nucleon-nucleon potentials, Paris, Nijmegen, Argonne, and those derived by quantum inversion, which describe the NN interaction for T-lab below 300$ MeV are extended in their range of application as NN optical models. Extensions are…

Nuclear Theory · Physics 2009-11-07 A. Funk , H. V. von Geramb , K. A. Amos

Alpha elastic scattering angular distributions of the 106Cd(alpha,alpha)106Cd reaction were measured at three energies around the Coulomb barrier to provide a sensitive test for the alpha + nucleus optical potential parameter sets.…

Considering the contributions of the main term of the relativistic Coulombian Green function given by Hostler to the second order of S matrix element and taking into account only the large components of the Dirac spinor of the ground state…

Atomic Physics · Physics 2007-05-23 A. Costescu , S. Spanulescu , C. Stoica

Low-energy fusion of heavy ions is a fascinating coupling-assisted quantum tunnelling problem, whose understanding is crucial for advancing the synthesis of new elements and isotopes. Quantum dynamical coupled-channels calculations of…

Nuclear Theory · Physics 2025-07-02 Nicholas Thomson , Laura Moschini , Alexis Diaz-Torres

Gamma-rays from cosmological sources contain information about gamma-ray interactions. Standard model and non-standard model photon interactions along the path between the source and the observer can lead to changes in the energy or state…

High Energy Astrophysical Phenomena · Physics 2014-08-19 Rebecca Reesman , T. P. Walker

The classical nonlinear laser-plasma interaction theory is corrected. Given the effects of vacuum polarization (induced by extreme laser) as nonlinear media response, one-dimensional wave equations of a monochromatic laser field are derived…

Plasma Physics · Physics 2015-06-15 Wenbo Chen , Zhigang Bu , Hehe Li , Yuee Luo , Peiyong Ji

The semiclassical model of relativistic Coulomb excitation is studied in situations in which the impact parameter is small enough so that projectile and target charge distributions overlap. The electromagnetic effects of this overlap are…

Nuclear Theory · Physics 2008-11-26 B. F. Bayman , F. Zardi

The total cross section for double ionization of lithiumlike ions by a high-energy photon is calculated in leading order of the nonrelativistic perturbation theory. The partial contributions due to simultaneous and sequential emissions of…

Atomic Physics · Physics 2009-11-11 A. I. Mikhailov , I. A. Mikhailov , A. V. Nefiodov , G. Plunien

The effect of the electromagnetic radiation on the spontaneous charge emission from heavy atomic nuclei is estimated in a model which may be relevant for proton emission and alpha-particle decay in laser fields. Arguments are given that the…

Nuclear Theory · Physics 2018-09-28 M. Apostol

In experiments on the electron linac LUE-40 of RDC "Accelerator" NSC KIPT, the flux-averaged cross-sections $\langle{\sigma(E_{\rm{\gamma max}})}\rangle_{\rm{exp}}$ of photonuclear reactions ${^{100}\rm{Mo}}(\gamma,n)^{99}\rm{Mo}$,…

Revivals of optical coherence of molecular photoassociation driven by two ultrashort laser pulses are addressed in the Condon approach. Based on textbook examples and numerical simulation of KrF excimer molecules, a prediction is made about…

Atomic Physics · Physics 2015-06-26 Alexander G. Rudavets , Alexander M. Dykhne

An important ingredient for applications of nuclear physics to e.g. astrophysics or nuclear energy are the cross sections for reactions of neutrons with rare isotopes. Since direct measurements are often not possible, indirect methods like…

Nuclear Theory · Physics 2014-10-07 Ch. Elster , L. Hlophe , V. Eremenko , F. M. Nunes , G. Arbanas , J. E. Escher , I. J. Thompson

Photoelectric effect in a Ge-on-Si single-photon avalanche detector (SPAD) at a sub-photon energy in incident pulsed laser radiation is considered in frames of classical electrodynamics of continuous media. It is shown that the energy of…

Optics · Physics 2019-03-04 Valeri I. Kovalev

The method of screening and renormalization for including the Coulomb interaction in the framework of momentum-space integral equations is applied to the three- and four-body nuclear reactions. The Coulomb effect on the observables and the…

Nuclear Theory · Physics 2009-11-13 A. Deltuva

Plasma effect is observed in CCDs exposed to heavy ionizing alpha-particles with energies in the range 0.5 - 5.5 MeV. The results obtained for the size of the charge clusters reconstructed on the CCD pixels agrees with previous measurements…

Instrumentation and Detectors · Physics 2015-05-28 Juan Estrada , Jorge Molina , J. Blostein , G. Fernandez

For complete development of quantum electrodynamics in the presence of a strong external field, the proper understanding of resonant processes and all their peculiarities is essential. We present our attempt to analytically investigate the…

High Energy Physics - Phenomenology · Physics 2022-01-05 Sergei P. Roshchupkin , Nikita R. Larin , Victor V. Dubov

Novel measurements of $(\alpha,\gamma)$ and $(\alpha$,n) reaction cross sections on the target nucleus $^{151}$Eu, close to the reaction thresholds, support the setting up of recent parameters of the $\alpha$-particle optical model…

Nuclear Experiment · Physics 2015-03-17 V. Avrigeanu , M. Avrigeanu

The NUCLEON satellite experiment is designed to directly investigate the energy spectra of cosmic-ray nuclei and the chemical composition (Z=1-30) in the energy range of 2-500 TeV. The experimental results are presented, including the…

Cross sections for proton inelastic collision with different nuclei are described within the Glauber and multiple scattering approximations. A significant difference between approximate `Glauber' formula and exact calculations with a…

High Energy Physics - Phenomenology · Physics 2008-11-26 Tadeusz Wibig , Dorota Sobczynska