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We study the energy released from phase-transition induced collapse of neutron stars, which results in large amplitude stellar oscillations. To model this process we use a Newtonian hydrodynamic code, with a high resolution shock-capturing…

High Energy Astrophysical Phenomena · Physics 2010-05-25 K. S. Cheng , T. Harko

The extreme intensities obtainable with lasers such as Gemini allow non-linear QED phenomena to be investigated according to our calculations. Electron-positron pair production from a pure vacuum target, which has yet to be observed…

Neutrino-pair bremsstrahlung radiation is considered due to electron--phonon scattering of degenerate, relativistic electrons in a lattice of spherical atomic nuclei in a neutron star crust. The neutrino energy generation rate is calculated…

Astrophysics · Physics 2007-05-23 D. G. Yakovlev , A. D. Kaminker

Since two decades, laser-driven neutron emissions are studied as they represent a complementary source to conventional neutron sources, with further more different characteristics (i.e. shorter bunch duration and higher number of neutrons…

We calculate the rate of the emission of the photons from the QGP. We base on the real-time kinetic approach [1] without an explicit assumption about a complete thermal equilibrium in the emitting system. ( Figures can be obtained from the…

High Energy Physics - Phenomenology · Physics 2007-05-23 A. Makhlin

The magnificent development of strong X-ray lasers motivates the advancement of pair production process studies into higher laser frequency region. In this paper, a resonant electron-positron pair production process with the absorption of…

Atomic Physics · Physics 2015-06-17 Huayu Hu , Jie Huang

We develop the quantum theory of the spin light of neutrino ($SL\nu$) exactly accounting for the effect of background matter. Contrary to the already performed studies of the $SL\nu$, in this paper we derive explicit and closed expressions…

High Energy Physics - Phenomenology · Physics 2009-11-11 Alexander Grigoriev , Alexander Studenikin , Alexei Ternov

Using a quantum kinetic equation coupled to Maxwell's equation we study the possibility that focused beams at proposed X-ray free electron laser facilities can generate electric field strengths large enough to cause spontaneous…

Nuclear Theory · Physics 2008-11-26 R. Alkofer , M. B. Hecht , C. D. Roberts , S. M. Schmidt , D. V. Vinnik

We investigate the phenomenon of electron-positron pair production from vacuum in the presence of a strong electric field of circular polarization. By means of a nonperturbative approach based on the quantum kinetic equations (QKEs), we…

High Energy Physics - Phenomenology · Physics 2024-04-04 I. A. Aleksandrov , A. Kudlis

The SciBooNE Collaboration has performed a search for charged current coherent pion production from muon neutrinos scattering on carbon, \nu_\mu ^{12}C \to \mu^- ^{12}C \pi^+, with two distinct data samples. No evidence for coherent pion…

High Energy Physics - Experiment · Physics 2009-01-16 SciBooNE Collaboration , K. Hiraide

The production of ion beams from the interaction of a circularly polarized laser pulse with a nanometric double-layer target is discussed in the regime where all electrons are expelled from the target by laser radiation pressure.…

Plasma Physics · Physics 2013-09-06 M. Grech , S. Skupin , R. Nuter , L. Gremillet , E. Lefebvre

We describe the importance of having low-energy (10-100 MeV) neutrino beams produced through the decay of boosted radioactive ions (``beta-beams''). We focus on the interest for neutrino-nucleus interaction studies and their impact for…

High Energy Physics - Phenomenology · Physics 2009-11-11 Cristina Volpe

Tunneling electron-positron pair production is studied in a new setup in which a strong low-frequency and a weak high-frequency laser field propagate in the same direction and collide head-on with a relativistic nucleus. The…

High Energy Physics - Phenomenology · Physics 2009-10-29 A. Di Piazza , E. Lötstedt , A. I. Milstein , C. H. Keitel

We present the results of kinetic modelling of quantum effects in laser-beam interaction. In the developed numerical model, electron-positron pair production by hard photons, hard photon emission and the electromagnetic fields generated by…

Plasma Physics · Physics 2015-05-27 Evgeny Nerush , Igor Kostyukov

Electron-positron pair creation due to combined nuclear Coulomb and strong laser fields is investigated for the tunneling regime. The energy spectra and angular distributions of the pair are found analytically for the first time. The energy…

Atomic Physics · Physics 2009-11-13 M. Yu. Kuchiev , D. J. Robinson

A method is suggested to produce, with the help of colliding laser photons with bunches of relativistic ions having two energy levels, both intense beams of monochromatic polarized X-ray fluorescence photons and significant number of X-ray…

High Energy Physics - Experiment · Physics 2010-04-05 K. A. Ispirian , M. K. Ispiryan

We demonstrate paired generation of a single photo-electron in a quantum dot and a single photon from a single polarization-entangled photon pair that is generated by spontaneous parametric down conversion. The electron is reated in a GaAs…

We study the exclusive electroproduction of a photon pair in the kinematical regime where the diphoton invariant mass is large and where the nucleon flies almost in its original direction. We discuss the relative importance of the QCD…

High Energy Physics - Phenomenology · Physics 2020-07-01 A. Pedrak , B. Pire , L. Szymanowski , J. Wagner

We treat the production of neutrons, photons, and neutrinos through photomeson interactions of relativistic protons with ambient photons in the compact inner jets of blazars. We show that the presence of the external UV radiation field…

Astrophysics · Physics 2009-11-07 Armen M. Atoyan , Charles D. Dermer

We calculate the electron energy spectrum of ionization by a high energy photon, accompanied by creation of electron-positron pair. The total cross section of the process is also obtained. The asymptotics of the cross section does not…

Quantum Physics · Physics 2015-06-26 E. G. Drukarev , A. I. Mikhailov , I. A. Mikhailov , Kh. Yu. Rakhimov , W. Scheid
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