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The analysis of the recent neutral-current neutrino-nucleus scattering cross sections measured by the MiniBooNE Collaboration requires relativistic theoretical descriptions also accounting for the role of final state interactions. In this…

Nuclear Theory · Physics 2013-05-29 Andrea Meucci , Carlotta Giusti , Franco Davide Pacati

The strength of final state interaction (FSI) between struck proton and spectator neutron in $^2\vec{H}(e,e'p)$ scattering depends on the alignment of the deuteron. We study the resulting FSI effects in the tensor analyzing power in detail…

Nuclear Theory · Physics 2016-09-08 A. Bianconi , S. Jeschonnek , N. N. Nikolaev , B. G. Zakharov

At large proton energy, the final state interactions of the knocked out nucleon in $\eep$ reactions off nuclear targets can be described within the eikonal approximation, treating the spectator particles as a collection of fixed scattering…

Nuclear Theory · Physics 2009-11-06 O. Benhar , N. N. Nikolaev , J. Speth , A. A. Usmani , B. G. Zakharov

We study Final State Interaction effects (FSI) in inclusive electron scattering of several GeV from nuclear matter. We consider separately the cases of 'elastic' and 'inelastic' knockout of respectively a nucleon and a non-nucleonic…

Nuclear Theory · Physics 2009-10-22 A. S. Rinat , M. F. Taragin

Energy Density Functionals are of major interest for the study of the atomic nucleus as, coupled with mean-field and beyond N-body approaches, they are applicable to the whole nuclear chart, including superheavy elements. On the one hand,…

Nuclear Theory · Physics 2026-01-01 G. Zietek , N. Pillet , M. Anguiano , P. Carpentier , N. Dubray , R. N. Bernard , G. Blanchon , D. Regnier

The convolution approach, widely employed to describe final state interactions in the response of many-body systems, is derived from the expression of the nuclear response in the zeroth-order ladder approximation. Within this framework, the…

Nuclear Theory · Physics 2015-06-12 Omar Benhar

The $^{12}C(e,e'p)$ reaction is analyzed in a model which explicitly includes final state interactions due to the coupling of the proton and neutron emission channels. We find that the effects of the final state interactions due to charge…

Nuclear Theory · Physics 2008-11-26 S. Jeschonnek , S. Krewald , A. Szczurek

We perform a fully relativistic calculation of the $^2 H(e,e'\vec p)n$ reaction in the impulse approximation employing the Gross equation to describe the deuteron ground state, and we use the SAID parametrization of the full NN scattering…

Nuclear Theory · Physics 2010-04-06 Sabine Jeschonnek , J. Wallace Van Orden

The electronic states of a parabolic quantum dot in a magnetic field are studied with the inclusion of the spin-orbit interaction. The analitycal formulae for the ground state energy of the interacting system are derived. The spin-orbit…

Condensed Matter · Physics 2009-10-28 L. Jacak , J. Krasnyj , A. Wojs

Are effects of short range correlations in the ground state of the target nucleus (initial state correlations ISC) observable in experiments on quasielastic $A(e,e'p)$ scattering at large missing momentum $p_{m}$? Will the missing momentum…

Nuclear Theory · Physics 2007-05-23 A. Bianconi , S. Jeschonnek , N. N. Nikolaev , J. Speth , B. G. Zakharov

Spin-polarization response functions are examined for high-energy $(\vec{e},e'\vec{p})$ reaction by computing the full 18 response functions for the proton kinetic energy $T_{p'}=$ 0.515 GeV and 3.179 GeV with an 16O target. The Dirac…

Nuclear Theory · Physics 2008-11-26 Hiroshi Ito , S. E. Koonin , Ryoichi Seki

The analysis of the recent neutral-current elastic neutrino and antineutrino-nucleus scattering cross sections measured by the MiniBooNE Collaboration requires relativistic theoretical descriptions also accounting for the role of…

Nuclear Theory · Physics 2014-04-01 Andrea Meucci , Carlotta Giusti

It is shown that the effects of the Final State Interaction (FSI) in the exclusive processes 3He(e,e'p)2H and 3He(e,e'p)(pn), can be successfully treated in terms of a Generalized Eikonal Approximation (GEA), based upon the direct…

Nuclear Theory · Physics 2009-11-11 C. Ciofi degli Atti , L. P. Kaptari

Strong final state interaction (FSI) effects can play a central role in the Standard Model prediction of weak $K\to 2\pi$ matrix elements. Here, I discuss how FSI's affect the direct CP violation parameter $\vepp / \vep$ by solving the…

High Energy Physics - Phenomenology · Physics 2007-05-23 Elisabetta Pallante

The electrodisintegration of the deuteron is considered within a relativistic model of nucleon-nucleon interaction based on the Bethe-Salpeter approach with a separable interaction kernel. The exclusive cross section is calculated within…

Nuclear Theory · Physics 2012-01-24 S. G. Bondarenko , V. V. Burov , E. P. Rogochaya

We present quasi-elastic neutrino-nucleus cross sections in the energy range from 150 MeV up to 5 GeV for the target nuclei 12C and 56Fe. A relativistic description of the nuclear dynamics and the neutrino-nucleus coupling is adopted. For…

Nuclear Theory · Physics 2009-11-11 M. C. Martinez , P. Lava , N. Jachowicz , J. Ryckebusch , K. Vantournhout , J. M. Udias

The magnetic dipole (M1) and the Gamow-Teller (GT) excitations of finite nuclei have been studied in a fully self-consistent Hartree-Fock (HF) plus random phase approximation (RPA) approach by using a Skyrme energy density functional with…

Nuclear Theory · Physics 2015-06-18 Peiwei Wen , Li-Gang Cao , J. Margueron , H. Sagawa

Models developed within the framework of the relativistic impulse approximation for quasielastic (QE) electron and neutrino-nucleus scattering are discussed. Different descriptions of final-state interactions (FSI) in the inclusive…

Nuclear Theory · Physics 2011-10-19 Carlotta Giusti , Andrea Meucci

We explore the nuclear responses at intermediate energies, particularly in the spin longitudinal and spin transverse isovector channels, within the continuum random phase approximation framework. We also employ an extension of the standard…

Nuclear Theory · Physics 2009-09-25 A. De Pace , M. Viviani

Finite Formation Time (FFT) effects in the exclusive reaction ^4He(e,e'p)^3H at high values of Q^2 are introduced and discussed. It is shown that the minimum in the momentum distributions predicted by the Plane Wave Impulse Approximation…

Nuclear Theory · Physics 2009-11-07 H. Morita , M. Braun , C. Ciofi degli Atti , D. Treleani