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Related papers: Proton recoil polarization in exclusive (e,e'pp) r…

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We report the first measurements of the transverse ($P_{x}$ and $P_{y}$) and longitudinal ($P_{z}$) components of the polarization transfer to a bound proton in the deuteron via the $^{2}\mathrm{H}(\vec{e},e'\vec{p})$ reaction, over a wide…

The nuclear structure dependence of direct reactions that remove a pair of like or unlike nucleons from a fast $^{12}$C projectile beam are considered. Specifically, we study the differences in the two-nucleon correlations present and the…

Nuclear Theory · Physics 2015-06-05 E. C. Simpson , P. Navrátil , R. Roth , J. A. Tostevin

The reaction $^2$H$(e,e^\prime p)n$ has been studied with full kinematic coverage for photon virtuality $1.75<Q^2<5.5$ GeV$^2$. Comparisons of experimental data with theory indicate that for very low values of neutron recoil momentum…

Nuclear Experiment · Physics 2010-04-06 K. S. Egiyan , the CLAS Collaboration

The differential cross section and polarization observables for the elastic reaction induced by deuteron scattering off electrons at rest are calculated in the one-photon-exchange (Born) approximation. Specific attention is given to the…

Nuclear Theory · Physics 2023-12-06 G. I. Gakh , M. I. Konchatni , N. P. Merenkov , E. Tomasi-Gustafsson , A. G. Gakh

Recent experimental results on the proton and neutron polarizabilities are examined from the point of view of backward dispersion relations. Results are found to be in reasonable agreement with the measured values. A rigorous relationship…

High Energy Physics - Phenomenology · Physics 2011-07-19 Barry R. Holstein , A. M. Nathan

Coincidence reactions of the type $\svec{A}(\svec{e},e'N)B$ involving the scattering of polarized electrons from deformed polarized targets are discussed within the context of the plane--wave impulse approximation. A general expression for…

High Energy Physics - Phenomenology · Physics 2009-10-22 J. A. Caballero , T. W. Donnelly , G. I. Poulis , E. Garrido , E. Moya de Guerra

The inverse $\beta$-decay reaction, anti-nu_e + p --> e^+ + n, for low-energy anti-neutrinos coming from nuclear reactors is of great current interest in connection with high-precision measurements of the neutrino mixing angle…

Nuclear Theory · Physics 2014-05-07 U. Raha , F. Myhrer , K. Kubodera

Predictions for electron induced proton knockout from the $p_{1/2}$ and $p_{3/2}$ shells in $^{16}$O are presented using various approximations for the relativistic nucleonic current. Results for the differential cross section,…

Nuclear Theory · Physics 2008-11-26 J. M. Udias , J. A. Caballero , E. Moya de Guerra , J. E. Amaro , T. W. Donnelly

A study of the deuteron breakup reaction $pd \to (pp)n$ with forward emission of a fast proton pair with small excitation energy $E_{pp}<$ 3 MeV has been performed at the ANKE spectrometer at COSY--J\"ulich. An exclusive measurement was…

Polarization transfer in the 4He(e,e'p)3H reaction at a Q^2 of 0.4 (GeV/c)^2 was measured at the Mainz Microtron MAMI. The ratio of the transverse to the longitudinal polarization components of the ejected protons was compared with the same…

Multistep direct scattering of the ejectile proton is considered in (e,e'p) reactions in the quasi-free region as an improvement over the usual treatment of final-state interactions by means of an optical potential. The theory is applied to…

Nuclear Theory · Physics 2009-10-30 P. Demetriou , S. Boffi , C. Giusti , F. D. Pacati

Background: Exclusive two-nucleon knockout after electroexcitation of nuclei ($A(e,e'NN)$ in brief) is considered to be a primary source of information about short-range correlations (SRC) in nuclei. For a proper interpretation of the data,…

Nuclear Theory · Physics 2016-03-23 Camille Colle , Wim Cosyn , Jan Ryckebusch

Total reaction cross sections are predicted for proton scattering from various nuclei. A simple functional form has been used that reproduces the total reaction cross sections for the scattering of protons from (15) nuclei spanning the mass…

Nuclear Theory · Physics 2009-11-07 P. K. Deb , K. Amos

We analyze recent data from high-momentum-transfer $(p,pp)$ and $(p,ppn)$ reactions on Carbon. For this analysis, the two-nucleon short-range correlation (NN-SRC) model for backward nucleon emission is extended to include the motion of the…

Nuclear Theory · Physics 2009-11-11 E. Piasetzky , M. Sargsian , L. Frankfurt , M. Strikman , J. W. Watson

The differential cross section and the polarization observables for $\Delta $--isobar production in the deuteron electrodisintegration process, $e^-+d\to e^-+\Delta +N$, are calculated in a general formalism based on structure functions.…

High Energy Physics - Phenomenology · Physics 2009-08-05 G. I. Gakh , E. Tomasi-Gustafsson , A. G. Gakh

The expressions for the differential cross section and of the polarization observables for the reaction $\bar p+p\rightarrow e^++e^-$ are given in terms of the nucleon electromagnetic form factors in the laboratory system. Radiative…

High Energy Physics - Phenomenology · Physics 2015-03-17 G. I. Gakh , N. P. Merenkov , E. Tomasi-Gustafsson

High-energy hadronic reactions with proton-to-neutron transitions (and vice versa) with small momentum transfer allow to study the properties of nearly on-shell pions, which cannot be accessed otherwise. We overview the recent results for…

High Energy Physics - Phenomenology · Physics 2015-11-02 B. Z. Kopeliovich , I. K. Potashnikova , Ivan Schmidt

We study (p,2p) and (p,pn) reactions at proton energies in the range of 100 MeV -- 1 GeV. Our purpose is to explore the most sensitive observables in unpolarized reactions with inverse kinematics involving radioactive nuclei. We formulate a…

Nuclear Theory · Physics 2014-09-16 T. Aumann , C. A. Bertulani , J. Ryckebusch

We use a relativistic model of meson-exchange currents to compute the proton-neutron and proton-proton yields in $(e,e')$ scattering from $^{12}$C in the 2p-2h channel. We compute the response functions and cross section with the…

The cross sections of the single proton knock-out reactions from 24F, 25F, and 26F on a 12C target were measured at energies of about 50 MeV/nucleon. Ground state populations of 6.6+-.9 mb, 3.8+-0.6 mb for the reactions 12C(24F,23O) and…