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Related papers: A(e,e'p) reactions at GeV energies

200 papers

In a series of recent publications, a new approach to the non-relativistic reduction of the electromagnetic current operator in calculations of electro-nuclear reactions has been introduced. In one of these papers, the conjecture that at…

Nuclear Theory · Physics 2014-11-18 S. Jeschonnek , J. W. Van Orden

The $^{12}$C(p,2p)$^{11}$B reaction at $E_p =98.7$ MeV proton beam energy is analyzed using a rigorous three-particle scattering formalism extended to include the internal excitation of the nuclear core or residual nucleus. The excitation…

Nuclear Theory · Physics 2024-07-08 A. Deltuva , E. Cravo , R. Crespo , D. Jurčiukonis

In the literature, one often finds calculations of (e,e'p) reactions at GeV energies using the factorization approach. Factorization implies that the differential cross section can be written as the product of an off-shell electron-proton…

Nuclear Theory · Physics 2008-11-26 Sabine Jeschonnek

The application of Glauber theory has been playing an increasingly important role with the study of unstable or exotic nuclei. Its adaptation to medium and high-energy nucleus-nucleus collisions is severely limited because one has to…

Nuclear Theory · Physics 2026-03-18 W. Horiuchi , Y. Suzuki , R. B. Wiringa

Results for recoil nucleon induced polarization for $(e,e'\vec{p})$ are presented using various approximations for the relativistic nucleonic current, at the kinematics of a recent experiment at Bates. We see that the dynamical relativistic…

Nuclear Theory · Physics 2011-08-17 J. M. Udias , Javier R. Vignote

We discuss models to calculate one- and two-neutron capture reactions on light nuclei. These are applied to calculate the reaction rates of 15N(n,gamma)16N, 16N(n,gamma)17}N and 4He(2n,gamma)6He. The possible astrophysical importance is…

Nuclear Theory · Physics 2007-05-23 H. Herndl , R. Hofinger , H. Oberhummer

The extraction of neutrino oscillation parameters often requires the unambiguous identification of the reaction mechanism to be used for the energy determination. The use of nuclear targets and of beams with broad energy distributions…

Nuclear Theory · Physics 2015-06-03 Ulrich Mosel

Elastic scattering observables (differential cross section and analyzing power) are calculated for the reaction $^6$He(p,p)$^6$He at projectile energies starting at 71 MeV/nucleon. The optical potential needed to describe the reaction is…

Nuclear Theory · Physics 2013-05-30 S. P. Weppner , Ch. Elster

We calculate the cosmic ray spectrum of ultra high energy neutralinos that one should expect provided that the observed ultra high energy cosmic rays are produced by the decay of superheavy particles X, M_X>10^{12} GeV, in supersymmetric…

High Energy Physics - Phenomenology · Physics 2014-11-17 Alejandro Ibarra , Ramon Toldra

Relativistic calculations for the quasifree electron scattering process (e, e'p) and the direct knockout contribution to (gamma, p) reactions are presented. The spectroscopic factors determined from the former reaction are used to fix the…

Nuclear Theory · Physics 2009-10-30 J. I. Johansson , H. S. Sherif , G. M. Lotz

The status of "ab initio" microscopic calculations of the 2H(p,gamma)3He and 3He(p,e+nu_e)4He reactions is reviewed. The methods used to generate accurate nuclear ground- and scattering-state wave functions, and to construct realistic…

Nuclear Theory · Physics 2014-11-18 R. Schiavilla

Nucleon-knockout reactions on proton targets (p, pN ) have experienced a renewed interest due to the availability of inverse-kinematics experiment with exotic nuclei. Various theoretical descriptions have been used to describe these…

Nuclear Theory · Physics 2020-12-30 M. Gomez-Ramos , A. Deltuva , A. M. Moro

We study the breakup of 9Li projectiles in high energy (28.5 MeV/u) collisions with heavy nuclear targets (208Pb). The wave functions are calculated using a single-particle model for 9Li, and a simple optical potential model for the…

Nuclear Theory · Physics 2008-11-26 Carlos A. Bertulani

The inclusive 12C(p,p') and exclusive 12C(p,p'X) reactions have been studied with a beam energy of 156 MeV and for X = p and alpha. The study focuses on the (p,p'X) reaction mechanism and on the structure of 12C just above the…

A general framework for deconvoluting the effects of energy averaging on charged-particle reaction measurements is presented. There are many potentially correct approaches to the problem; the relative merits of some of are discussed. These…

Nuclear Experiment · Physics 2013-02-06 Carl R. Brune , Daniel B. Sayre

We report a significant improvement of an approximate method of including electron Coulomb distortion in electron induced reactions at momentum transfers greater than the inverse of the size of the target nucleus. In particular, we have…

Nuclear Theory · Physics 2009-10-31 K. S. Kim , L. E. Wright

We present ab-initio calculations for 3H, 4He, 16O, and 40Ca based on two-nucleon low-momentum interactions Vlowk within coupled-cluster theory. For 3H and 4He, our results are within 70 keV and 10 keV of the corresponding Faddeev and…

Nuclear Theory · Physics 2008-11-26 G. Hagen , D. J. Dean , M. Hjorth-Jensen , T. Papenbrock , A. Schwenk

The energy spectra of evaporated light charged particles (LCP) $\alpha$, p, d and t have been measured in $7^$Li(47 MeV) + ${24}^$Mg and ${19}^$F(96 MeV)+ ${12}^$C reactions. Both the systems populate the same compound nucleus ${31}^$F at…

A detailed study of the electromagnetic responses for quasielastic $(e,e')$ reactions from nuclear matter is presented within the framework of a relativistic model including momentum dependent scalar and vector mean field potentials in both…

Nuclear Theory · Physics 2020-01-08 S. Cruz-Barrios , J. A. Caballero

We apply our method of complex scaling, valid for a general class of potentials, in a search for nucleon-nucleon S-matrix poles up to 2 GeV laboratory kinetic energy. We find that the realistic potentials JISP16, constructed from inverse…

Nuclear Theory · Physics 2015-05-20 G. Papadimitriou , J. P. Vary