English
Related papers

Related papers: Charge-Exchange and multi-scattering effects in (e…

200 papers

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

After a brief overview of relevant studies on one-nucleon knockout showing the importance of quantitatively understanding the origin of the quenched spectroscopic factors extracted from data, attention is focussed on two-nucleon emission as…

Nuclear Theory · Physics 2007-05-23 S. Boffi , C. Giusti , F. D. Pacati , M. Schwamb

The charge-exchange reaction pd->npp at 1 GeV projectile proton energy is studied in the multiple-scattering expansion technique. This reaction is considered in a special kinematics, when the transfer momentum from the beam proton to fast…

Nuclear Theory · Physics 2009-11-10 N. B. Ladygina , A. V. Shebeko

The triton energy spectra of the charge-exchange $^{12}$C($^3$He,t) reaction at 2 GeV beam energy are analyzed in the quasi-elastic nucleon knock-out region. Considering that this region is mainly populated by the charge-exchange of a…

Nuclear Theory · Physics 2009-09-25 Neelima G. Kelkar , B. K. Jain

A semiclassical model is employed to study the effects of rescattering on (e,e'p) cross sections. We consider a two-step process with the propagation of an intermediate nucleon and use Glauber theory to account for the effects of N--N…

Nuclear Theory · Physics 2010-12-15 C. Barbieri , L. Lapikás , D. Rohe

A microscopic description of the quasielastic (p,n) charge-exchange reaction (here, charge-exchange scattering between analogue states) is presented and discussed. Emphasis is focused on the spin-isospin structure of the projectile-target…

Nuclear Theory · Physics 2008-11-26 H. F. Arellano , W. G. Love

The contribution of rescattering to final state interactions in the (e,e'p) cross section is studied using a semiclassical model. This approach considers a two-step process with the propagation of an intermediate nucleon and uses Glauber…

Nuclear Theory · Physics 2007-05-23 C. Barbieri , L. Lapikas

Since a long time electron scattering has been envisaged as a powerful and preferential tool to investigate nuclear properties. In particular, the (e,e'p) knockout reaction has provided a wealth of information on the single particle (s.p.)…

Nuclear Theory · Physics 2017-09-29 Carlotta Giusti

Contributions of nucleon-nucleon (NN) correlations, meson exchange currents and the residual final state interactions (FSI) on exclusive two-nucleon knock-out reactions induced by electron scattering are investigated. All contributions are…

Nuclear Theory · Physics 2009-11-06 D. Knödler , H. Müther

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 similarities in the experimental indications for multinucleon mechanisms in $(\gamma,p)$ and $(e,e'p)$ processes are pointed out. For both types of reactions, the substantial role of two-nucleon emission processes for transitions to…

Nuclear Theory · Physics 2009-10-22 J. Ryckebusch , L. Machenil , M. Vanderhaeghen , V. Van der Sluys , M. Waroquier

The role of the meson-exchange current correction to the nuclear charge operator is studied in electron scattering processes involving the excitation of medium and heavy nuclei to energies up to the quasi-elastic peak. The effect of these…

Nuclear Theory · Physics 2009-10-30 A. M. Lallena

We have extended our model for charged current neutrino-nucleus interactions to neutral current reactions. For the elementary neutrino-nucleon interaction, we take into account quasielastic scattering, Delta excitation and the excitation of…

Nuclear Theory · Physics 2008-11-26 T. Leitner , L. Alvarez-Ruso , U. Mosel

The charge-exchange (3He,t) scattering to the isobaric analog state (IAS) of the target can be considered as "elastic" scattering of 3He by the isovector term of the optical potential (OP) that flips the projectile isospin. Therefore, the…

Nuclear Theory · Physics 2015-06-18 Bui Minh Loc , Dao T. Khoa , R. G. T. Zegers

Resonant-exchange scattering plays a key role in many-body dynamics and transport phenomena (such as spin, charge, or excitation diffusion) at low and moderate temperatures. Recent investigations have shown that the locking of phase shifts…

Quantum Physics · Physics 2025-08-14 I. Simbotin , R. Côté

A theoretical description of nucleon knockout reactions initiated by polarized electron scattering from polarized nuclei is presented. Explicit expressions for the complete set of reduced response functions (independent of the polarization…

Nuclear Theory · Physics 2008-11-26 J. E. Amaro , T. W. Donnelly

The high energy proton-neutron charge exchange scattering reaction is studied in an effective hadron model for the energy range of s from 45.9 to 414.61 GeV*GeV. The main features of the observed differential cross section, the forward peak…

High Energy Physics - Phenomenology · Physics 2007-05-23 Y. Yan , R. Tegen , T. Gutsche , V. E. Lyubovitskij , Amand Faessler

The contributions of short-range nucleon-nucleon (NN) correlations, various meson exchange current (MEC) terms and the influence of $\Delta$ isobar excitations (isobaric currents, IC) on exclusive two-nucleon knockout reactions induced by…

Nuclear Theory · Physics 2008-11-26 D. Knödler , H. Müther , P. Czerski

The problem of the final state interaction in quasi-elastic $(e,e')$ scattering at large $Q^2$, is investigated by exploiting the idea that the ejected nucleon needs a finite amount of time to assume its asymptotic form. It is shown that…

Nuclear Theory · Physics 2009-11-06 Mikhail A. Braun , Claudio Ciofi degli Atti , Daniele Treleani

The available data on the forward charge exchange of nucleons on the deuteron up to 2GeV per nucleon are reviewed. The value of the inclusive nd->pnn/np->pn cross section ratio is sensitive to the fraction of spin-independent neutron-proton…

Nuclear Experiment · Physics 2014-11-20 F. Lehar , C. Wilkin
‹ Prev 1 2 3 10 Next ›