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Related papers: Laser-Nucleus Interactions: The Quasiadiabatic Reg…

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The interaction between medium-weight nuclei and a strong zeptosecond laser pulse of MeV photons is investigated theoretically. Multiple absorption of photons competes with nuclear equilibration. We investigate the sudden regime. Here the…

Nuclear Theory · Physics 2021-05-11 Sergei Kobzak , Hans A. Weidenmüller , Adriana Pálffy

Nuclear reactions induced by a strong zeptosecond laser pulse are studied theoretically in the quasiadiabatic regime where the photon absorption rate is comparable to the nuclear equilibration rate. We find that multiple photon absorption…

Nuclear Theory · Physics 2014-05-28 A. Pálffy , H. A. Weidenmüller

A zeptosecond multi--MeV laser pulse may either excite a "plasma" of strongly interacting nucleons or a collective mode. We derive the conditions on laser energy and photon number such that either of these scenarios is realized. We use the…

Nuclear Theory · Physics 2011-05-26 Hans A. Weidenmueller

The process of nuclear excitation by electron capture in plasma environments generated by the interaction of ultra-strong optical lasers with solid-state samples is investigated theoretically. With the help of a plasma model we perform a…

Plasma Physics · Physics 2018-06-20 Jonas Gunst , Yuanbin Wu , Christoph H. Keitel , Adriana Pálffy

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

Introduction Theory of electromagnetic excitation and dissociation (Inelastic scattering at high energies: one-photon exchange, semiclassical approach and Glauber theory; Higher order electromagnetic effects, small xi-approximation)…

Nuclear Theory · Physics 2016-09-08 G. Baur , S. Typel , H. H. Wolter

Photonuclear reaction is described with an approach based on the quasideuteron nuclear photoabsorption model followed by the process of competition between light particle evaporation and fission for the excited nucleus. Thus fission process…

Nuclear Theory · Physics 2008-11-26 Tapan Mukhopadhyay , D. N. Basu

The coupling of photons with (ultra-) relativistic atomic nuclei is presented in two particular circumstances: very high electromagnetic fields and very short photon pulses. We consider a typical situation where the (bare) nuclei (fully…

Nuclear Theory · Physics 2013-12-05 M. Apostol , M. Ganciu

The direct interaction of nuclei with super-intense laser fields is studied. We show that present and upcoming high-frequency laser facilities, especially together with a moderate acceleration of the target nuclei, do allow for resonant…

Nuclear Theory · Physics 2009-11-11 Thomas J. Buervenich , Joerg Evers , Christoph H. Keitel

Intense laser technologies generate light with unprecedented and growing intensities. The possibility emerges that a nucleus responds nonlinearly to an intense light field, pointing to a yet little explored research area of nuclear…

Atomic Physics · Physics 2021-09-01 Tao Li , Xu Wang

Using the Brink-Axel hypothesis we derive the rate $R$ for nuclear dipole excitation by a laser pulse carrying $N \gg 1$ photons with average energy $\hbar \omega_0 \approx 5$ MeV. As expected $R \propto (\hbar \omega_0)^3$. The rate is…

Nuclear Theory · Physics 2020-05-06 Adriana Pálffy , Paul-Gerhard Reinhard , Hans A. Weidenmüller

From the synthesis and evolution of the elements to the celestial nuclear processes of stellar explosions and neutron star mergers, nuclear physics is the foundation of our understanding of the universe. After more than a century of…

Plasma Physics · Physics 2026-05-18 Q. Xiao , J. H. Cheng , Y. Y. Xu , Y. T. Zou , Z. Z. Ren , A. Ya. Dzyublik , T. P. Yu

The optimal parameters for nuclear excitation by electron capture in plasma environments generated by the interaction of ultra-strong optical lasers with solid matter are investigated theoretically. As a case study we consider a 4.85 keV…

Plasma Physics · Physics 2018-02-07 Yuanbin Wu , Jonas Gunst , Christoph H. Keitel , Adriana Pálffy

A three-level atom in a $\Lambda$ configuration trapped in an optical cavity forms a basic unit in a number of proposed protocols for quantum information processing. Through control with an appropriate laser, this system allows for…

Quantum Physics · Physics 2010-07-13 Joyee Ghosh , R. Ghosh , Deepak Kumar

The emission of multi-MeV ($\gamma$-ray) photons from the interaction of a high-powered laser pulse with a dense plasma target is studied using particle-in-cell simulations. A new set of diagnostic techniques is presented and applied to…

Plasma Physics · Physics 2021-07-02 A. H. Younis , A. Davidson , B. Hafizi , D. F. Gordon

A comprehensive analysis of multiparticle emissions following photon induced reactions at intermediate energies is provided. Photon induced reaction is described in the energy range of $\sim 30-140$ MeV with an approach based on the…

Nuclear Theory · Physics 2009-01-27 Tapan Mukhopadhyay , D. N. Basu

Electrons at the surface of a plasma that is irradiated by a laser with intensity in excess of $10^{23}~\mathrm{W}\mathrm{cm}^{-2}$ are accelerated so strongly that they emit bursts of synchrotron radiation. Although the combination of high…

Plasma Physics · Physics 2021-05-12 T. G. Blackburn , A. J. MacLeod , A. Ilderton , B. King , S. Tang , M. Marklund

The production of neutron-rich isotopes and the occurrence of neutron capture cascades via laser-driven (pulsed) neutron sources are investigated theoretically. The considered scenario involves the interaction of a laser-driven neutron beam…

Nuclear Theory · Physics 2021-01-12 Paul Hill , Yuanbin Wu

The vast majority of QED results are obtained in relatively weak fields and so in the framework of perturbation theory. However, forthcoming laser facilities providing extremely high fields can be used to enter not-yet-studied regimes.…

Plasma Physics · Physics 2019-07-01 C. Baumann , E. N. Nerush , A. Pukhov , I. Yu. Kostyukov

In dense astrophysical plasmas, neutron capture populates highly excited nuclear states close to the neutron threshold. The impact of additional low-energy nuclear excitations via coupling to the atomic shell on the ability of the so-formed…

Nuclear Theory · Physics 2014-07-28 Stephan Helmrich , Katja Spenneberg , Adriana Pálffy
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