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We present a theoretical study of the inelastic scattering of vortex electrons by a hydrogen atom. In our study, special emphasis is placed on the effects of the Coulomb interaction between a projectile electron and a target atom. To…

Atomic Physics · Physics 2024-12-12 S. Strnat , J. Sommerfeldt , A. K. Sahoo , L. Sharma , A. Surzhykov

We measure the time-dependent temperature and density distribution of antiprotons and positrons while slowly combining them to make antihydrogen atoms in a nested Penning-Malmberg trap. The total antihydrogen yield and the number of atoms…

The neutrino cooling and gamma heating rates are considered as an important input needed to study the final phases of the evolution of high-mass stars. The weak-interaction mediated processes, namely the $\beta$-decay and electron capture,…

Nuclear Theory · Physics 2025-04-24 Ramoona Shehzadi , Jameel-Un Nabi , Huma Ali

Understanding of $\gamma$-ray production via neutron interactions on oxygen is essential for the study of neutrino neutral-current quasielastic interactions in water Cherenkov detectors. A measurement of $\gamma$-ray production from such…

The present contribution reports the first systematic finite-nucleus calculations performed using the Energy Density Functional method and a non-empirical pairing functional derived from low-momentum interactions. As a first step, the…

Nuclear Theory · Physics 2008-11-26 T. Duguet , T. Lesinski

We utilize the generalized contact formalism in conjunction with the Woods-Saxon mean-field description of the long-range part of the nuclear wave function to assess the relative prevalence of short-range correlation pairs within atomic…

Nuclear Theory · Physics 2024-07-23 Raz Yankovich , Ehoud Pazy , Nir Barnea

A new method for generation of quasimonoenergetic and low emittance fast ion/nuclei bunches of solid densities from nanotargets by two counterpropagating laser pulses of ultrarelativistic intensities is proposed, based on the threshold…

Plasma Physics · Physics 2011-06-14 H. K. Avetissian , A. K. Avetissian , G. F. Mkrtchian , Kh. V. Sedrakian

The cross section for semi-inclusive deep inelastic charged current neutrino scattering on hydrogen and deuterium in which a slow proton is observed in coincidence with the muon is computed as a function of Bjorken x and light-cone momentum…

Nuclear Theory · Physics 2016-09-08 G. D. Bosveld , A. E. L. Dieperink , A. G. Tenner

The effects of neutron irradiation on materials are often interpreted in terms of atomic recoils, initiated by neutron impacts and producing crystal lattice defects. In addition, there is a remarkable two-step process, strongly pronounced…

Materials Science · Physics 2023-06-19 Luca Reali , Mark R. Gilbert , Max Boleininger , Sergei L. Dudarev

A novel experiment has been commissioned at the Weizmann Institute of Science for the study of weak interactions via a high-precision measurement of the beta-neutrino angular correlation in the radioactive decay of short-lived $^{6}$He. The…

Nuclear Experiment · Physics 2017-11-23 I. Mukul , M. Hass , O. Heber , T. Y. Hirsh , Y. Mishnayot , M. L. Rappaport , G. Ron , Y. Shachar , S. Vaintraub

Neutron production in GeV-scale neutrino interactions is a poorly studied process. We have measured the neutron multiplicities in atmospheric neutrino interactions in the Sudbury Neutrino Observatory experiment and compared them to the…

High Energy Physics - Experiment · Physics 2019-06-20 SNO Collaboration , B. Aharmim , S. N. Ahmed , A. E. Anthony , N. Barros , E. W. Beier , A. Bellerive , B. Beltran , M. Bergevin , S. D. Biller , R. Bonventre , K. Boudjemline , M. G. Boulay , B. Cai , E. J. Callaghan , J. Caravaca , Y. D. Chan , D. Chauhan , M. Chen , B. T. Cleveland , G. A. Cox , X. Dai , H. Deng , F. B. Descamps , J. A. Detwiler , P. J. Doe , G. Doucas , P. -L. Drouin , M. Dunford , S. R. Elliott , H. C. Evans , G. T. Ewan , J. Farine , H. Fergani , F. Fleurot , R. J. Ford , J. A. Formaggio , N. Gagnon , K. Gilje , J. TM. Goon , K. Graham , E. Guillian , S. Habib , R. L. Hahn , A. L. Hallin , E. D. Hallman , P. J. Harvey , R. Hazama , W. J. Heintzelman , J. Heise , R. L. Helmer , A. Hime , C. Howard , M. Huang , P. Jagam , B. Jamieson , N. A. Jelley , M. Jerkins , K. J. Keeter , J. R. Klein , L. L. Kormos , M. Kos , A. Kruger , C. Kraus , C. B. Krauss , T. Kutter , C. C. M. Kyba , B. J. Land , R. Lange , J. Law , I. T. Lawson , K. T. Lesko , J. R. Leslie , I. Levine , J. C. Loach , R. MacLellan , S. Majerus , H. B. Mak , J. Maneira , R. D. Martin , A. Mastbaum , N. McCauley , A. B. McDonald , S. R. McGee , M. L. Miller , B. Monreal , J. Monroe , B. G. Nickel , A. J. Noble , H. M. O'Keeffe , N. S. Oblath , C. E. Okada , R. W. Ollerhead , G. D. Orebi Gann , S. M. Oser , R. A. Ott , S. J. M. Peeters , A. W. P. Poon , G. Prior , S. D. Reitzner , K. Rielage , B. C. Robertson , R. G. H. Robertson , M. H. Schwendener , J. A. Secrest , S. R. Seibert , O. Simard , D. Sinclair , J. Singh , P. Skensved , M. Smiley , T. J. Sonley , L. C. Stonehill , G. Tesic , N. Tolich , T. Tsui , R. Van Berg , B. A. VanDevender , C. J. Virtue , B. L. Wall , D. Waller , H. Wan Chan Tseung , D. L. Wark , J. Wendland , N. West , J. F. Wilkerson , J. R. Wilson , T. Winchester , A. Wright , M. Yeh , F. Zhang , K. Zuber

The laser interaction with an electron-positron-ion mixed plasma is studied, from the perspective of the associated high-order harmonic generation. For an idealized mixed plasma which is assumed with a sharp plasma-vacuum interface and…

Plasma Physics · Physics 2021-01-20 W. L. Zhang , T. Grismayer , K. M. Schoeffler , R. A. Fonseca , L. O. Silva

We present a detailed calculation of the electron-positron production rate using neutrinos in an intense laser field. The computation is done for the process neutrino to neutrino + electron + positron via the neutral channel and within the…

High Energy Physics - Phenomenology · Physics 2009-11-10 Todd M. Tinsley

We calculate the cross section of the gamma-ray production from neutral-current neutrino-oxygen quasi-elastic interaction, $\nu+\^{16}O \rightarrow \nu +p+^{15}N*$, or $\nu+^{16}O \rightarrow \nu+n+^{15}O*$, in which the residual nuclei…

High Energy Physics - Phenomenology · Physics 2015-05-30 T. Mori , R. Yamaguchi , M. Sakuda , A. M. Ankowski , O. Benhar

The process of neutrino production of electron positron pairs in a magnetic field of arbitrary strength, where electrons and positrons can be created in the states corresponding to excited Landau levels, is analysed. The mean value of the…

High Energy Physics - Phenomenology · Physics 2014-09-01 A. V. Kuznetsov , D. A. Rumyantsev , V. N. Savin

High flux of electron neutrinos($\nue$) is produced at nuclear power reactors through the decays of nuclei activated by neutron capture. Realistic simulation studies on the neutron transport and capture at the reactor core were performed.…

High Energy Physics - Experiment · Physics 2009-09-29 B. Xin , TEXONO Collaboration

We report on an experimental demonstration of efficient neutron generation based on direct laser acceleration in microwire-array targets irradiated by ultrashort (tens of femtoseconds) laser pulses. The optimal array period was identified,…

The investigation of the effects of average atomic ionization on nuclear reactions is of prime importance for nuclear astrophysics. No direct experimental measurement using a plasma target has been done yet. In this regard, we measured for…

Effective values for the key helium burning reaction rates, triple-alpha and 12C(alpha,gamma)16O, are obtained by adjusting their strengths so as to obtain the best match with the solar abundance pattern of isotopes uniquely or…

Solar and Stellar Astrophysics · Physics 2015-06-18 Sam M. Austin , Christopher West , Alexander Heger

The half lives of proton radioactivity of proton emitters are investigated theoretically. Proton-nucleus interaction potentials are obtained by folding the densities of the daughter nuclei with a finite range effective nucleon-nucleon…

Nuclear Theory · Physics 2012-06-08 T. R. Routray , S. K. Tripathy , B. B. Dash , B. Behera , D. N. Basu