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We perform a parameter-free calculation for the high-energy proton-nucleus scattering based on the Glauber theory. A complete evaluation of the so-called Glauber amplitude is made by using the factorization of the single-particle wave…

Nuclear Theory · Physics 2019-03-27 S. Hatakeyama , W. Horiuchi

The mixing of the levels of a compound nucleus in the field of a high-intensity light wave is considered. The cross sections for inelastic neutron scattering and radiative capture are computed with allowance for this effect. The effect of…

Atomic Physics · Physics 2019-02-21 E. A. Ayryan , A. H. Gevorgyan , I. V. Dovgan , K. B. Oganesyan

The one-loop helicity amplitudes for the elastic scattering process $\gamma\nu\to\gamma\nu$ in the Standard Model are computed at high center of mass energies. A general decomposition of the amplitudes is utilized to investigate the…

High Energy Physics - Phenomenology · Physics 2009-12-31 Ali Abbasabadi , Alberto Devoto , Wayne W. Repko

We describe a high order technique to generate quadrilateral decompositions and meshes for complex two dimensional domains using spectral elements in a field guided procedure. Inspired by cross field methods, we never actually compute…

Numerical Analysis · Mathematics 2019-10-02 Julian Marcon , David A. Kopriva , Spencer J. Sherwin , Joaquim Peiró

The scattering cross sections of the unpolarized electromagnetic and gravitational waves are shown to be equal for the extreme Reissner-Nordstr\"om black hole using $N=2$ supergravity. The conversion cross sections between the unpolarized…

General Relativity and Quantum Cosmology · Physics 2015-11-04 Luís C. B. Crispino , Sam R. Dolan , Atsushi Higuchi , Ednilton S. de Oliveira

Measurements of the elastic scattering cross section of 3He and 4He are important in order to improve constraints on theoretical models of 4He(3He,g)7Be, a key reaction in Big Bang nucleosynthesis and solar neutrino production. The…

Despite significant progress over more than 100 years, no accelerator has been unambiguously identified as the source of the locally measured flux of cosmic rays. High-energy electrons and positrons are of particular importance in the…

High Energy Astrophysical Phenomena · Physics 2018-11-30 Philipp Mertsch

Measurements of polarized neutron--polarized $^3$He scattering are reported. The target consisted of cryogenically-polarized solid $^3$He, thickness 0.04 atom/b and polarization 40%. The longitudinal and transverse total cross-section…

Nuclear Experiment · Physics 2009-10-30 C. D. Keith , C. R. Gould , D. G. Haase , M. L. Seely , P. R. Huffman , N. R. Roberson , W. Tornow , W. S. Wilburn

We present microscopic calculations of low energy scattering observables in all possible four nucleon systems : n-3H, p-3He and p-3H. Results were obtained by solving Faddeev-Yakubovski equations in configuration space, appropriately…

Nuclear Theory · Physics 2007-05-23 R. Lazauskas , J. Carbonell

We present detailed calculations on resonances in rotationally and spin-orbit inelastic scattering of OH ($X\,^2\Pi, j=3/2, F_1, f$) radicals with He and Ne atoms. We calculate new \emph{ab initio} potential energy surfaces for OH-He, and…

Measurements of the cross sections for charged current deep inelastic scattering in e-p collisions with longitudinally polarised electron beams are presented. The measurements are based on a data sample with an integrated luminosity of 175…

High Energy Physics - Experiment · Physics 2012-08-27 ZEUS Collaboration

The S-matrix in gravitational high energy scattering is computed from the region of large impact parameters b down to the regime where classical gravitational collapse is expected to occur. By solving the equation of an effective action…

High Energy Physics - Theory · Physics 2009-11-19 Giuseppe Marchesini , Enrico Onofri

Cross sections for e^+p neutral current deep inelastic scattering have been measured at a centre-of-mass energy of sqrt{s}=318 GeV with the ZEUS detector at HERA using an integrated luminosity of 63.2 pb^-1. The double-differential cross…

High Energy Physics - Experiment · Physics 2012-08-27 ZEUS Collaboration

We analyse the recent precision measurements of the lepton-hadron deep inelastic scattering at CERN and SLAC to extract model independent constraints among the nucleon matrix elements of the twist-4 operators. We also study a…

High Energy Physics - Phenomenology · Physics 2009-10-22 S. Choi , T. Hatsuda , Y. Koike , Su H. Lee

A computer program is presented which calculates the elastic and inelastic scattering in intermediate and high energy nuclear collisions. A coupled-channels method is used for Coulomb and nuclear excitations of E1, E2, E3, M1, and M2…

Nuclear Theory · Physics 2014-11-18 C. A. Bertulani , C. M. Campbell , T. Glasmacher

We use new scaling variables x_w and xi_w, and add low Q2 modifications to GRV94 and GRV98 leading order parton distribution functions such that they can be used to model electron, muon and neutrino inelastic scattering cross sections (and…

High Energy Physics - Experiment · Physics 2009-09-29 A. Bodek , U. K. Yang

In evaluating differential cross section of elastic scattering, different theories were applied to low-momentum and relativistic particles. For low-momentum motion, Lippmann-Schwinger scattering equation was applied, called fundamental…

General Physics · Physics 2022-09-14 Huai-Yu Wang

The hydroxyl radical, OH, is an important component of many natural and technological plasmas but there is little available information on processes involving its collisions with low-energy electrons. Low-energy electron collisions with OH…

Atomic Physics · Physics 2019-09-04 Kalyan Chakrabarti , Vincenzo Laporta , Jonathan Tennyson

We report on a consistent, microscopic calculation of the bound and scattering states in the 4He system employing a realistic nucleon-nucleon potential in the framework of the resonating group model (RGM). We present for comparison with…

Nuclear Theory · Physics 2009-10-30 H. M. Hofmann , G. M. Hale

Inverse Compton scattering appears to play a more important role in the diffuse Galactic continuum emission than previously thought, from MeV to GeV energies. We compare models having a large inverse Compton component with EGRET data, and…

Astrophysics · Physics 2007-05-23 I. V. Moskalenko , A. W. Strong
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