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The cross section for the diffractive deep-inelastic scattering process ep -> e X p is measured, with the leading final state proton detected in the H1 Forward Proton Spectrometer. The data sample covers the range x_pom<0.1 in fractional…

High Energy Physics - Experiment · Physics 2012-08-27 H1 Collaboration

We have investigated the phonon and the magnetic excitations in LaCoO3 by inelastic neutron scattering measurements. The acoustic phonon dispersions show some characteristic features of the folded Brillouin zone (BZ) for the rhombohedrally…

Strongly Correlated Electrons · Physics 2009-11-11 Y. Kobayashi , Thant Sin Naing , M. Suzuki , M. Akimitsu , K. Asai , K. Yamada , J. Akimitsu , P. Manuel , J. M. Tranquada , G. Shirane

The semi-inclusive reaction e+ p -> e+ X p was studied with the ZEUS detector at HERA using an integrated luminosity of 12.8 pb-1. The final-state proton, which was detected with the ZEUS leading proton spectrometer, carried a large…

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

Magnetic form factors corresponding to elastic electron scattering from odd-A nuclei are presented. The calculations are carried out in plane-wave Born approximation. The one-body properties are obtained in a deformed self-consistent…

The neutron rich exotic unbound 7He nucleus has been the subject of many experimental investigations. While the ground-state 3/2- resonance is well established, there is a controversy concerning the excited 1/2- resonance reported in some…

Nuclear Theory · Physics 2013-05-30 Simone Baroni , Petr Navratil , Sofia Quaglioni

Background: Understanding nuclear shape is a crucial problem in nuclear physics. In particular, determining the sign of quadrupole deformation, i.e., whether prolate or oblate, remains a challenging problem. Purpose: Our aim is to propose a…

Nuclear Theory · Physics 2024-10-02 Shin Watanabe , Yoshiki Suzuki , Masaaki Kimura , Kazuyuki Ogata

Data from H1 and ZEUS on the structure and the quark and gluon densities of the proton are discussed. A brief excursion is made into the field of inclusive diffraction by deep inelastic scattering. The comparison of e- p and e+ p scattering…

High Energy Physics - Experiment · Physics 2014-11-17 Guenter Wolf

The series of calculations of differential cross sections and analyzing powers (Ay) of the elastic proton scattering on isotopes 6He and 8He was presented in the framework of the theory of Glauber multiple diffraction scattering. The…

Nuclear Theory · Physics 2013-04-23 E. Ibraeva , O. Imambekov , A. Dzhazairov-Kahramanov

We report a determination of the n-$^3$He scattering length difference $\Delta b^{\prime} = b_{1}^{\prime}-b_{0}^{\prime} = $ ($-5.411$ $\pm$ $0.031$ (statistical) $\pm$ $0.039$ (systematic)) fm between the triplet and singlet states using…

Very recently, for the first time, the two channels of nuclear deeply virtual Compton scattering (DVCS), the coherent and incoherent ones, have been separated by the CLAS collaboration at JLab, using a $^4$He target. The incoherent channel,…

Nuclear Theory · Physics 2021-01-04 Sara Fucini , Sergio Scopetta , Michele Viviani

Gamma decays of the isovector giant dipole resonance (GDR) of the deformed nucleus $^{154}$Sm from $2^+_1$-Smekal-Raman and elastic scattering were measured using linearly polarized, quasimonochromatic photon beams. The two scattering…

An investigation of the hadronic final state in diffractive and non--diffractive deep--inelastic electron--proton scattering at HERA is presented, where diffractive data are selected experimentally by demanding a large gap in pseudo…

High Energy Physics - Experiment · Physics 2008-11-26 S. Aid

Using a simple model based on the knowledge of spherical and deformed Woods-Saxon potentials, it is shown that the recent observation of halo phenomena in $^{29}$F can be interpreted as an evidence for the prolate deformation of the ground…

Nuclear Theory · Physics 2021-02-24 Ikuko Hamamoto

The electric form factor of the neutron was determined from measurements of the \vec{d}(\vec{e},e' n)p reaction for quasielastic kinematics. Polarized electrons were scattered off a polarized deuterated ammonia target in which the deuteron…

Nuclear Experiment · Physics 2008-11-26 G. Warren , F. R. Wesselmann , H. Zhu , D. Day , P. McKee , N. Savvinov , M. Zeier

Our investigation of high energy $\rm{pp}$ and $\bar{\rm{p}}\rm{p}$ elastic scattering over the last two decades has led us to consider that the proton has three regions: i) an outer region consisting of a quark-antiquark…

High Energy Physics - Phenomenology · Physics 2017-09-29 M. M. Islam , R. J. Luddy

A measurement of the analyzing powers for the $^2$H$(\vec{p},pp)n$ break-up reaction was carried out at KVI exploiting a polarized-proton beam at an energy of 135 MeV. The scattering angles and energies of the final-state protons were…

The cross sections are calculated for the both elastic and inelastic scattering of 6He from 12C and 4He. A phenomenological optical potential is used to describe the elastic scattering. 4He is taken as spherical and inelastic couplings to…

Nuclear Theory · Physics 2015-04-10 Bora Canbula , Halil Babacan

Elastic proton scattering on ${}^{3}{H}$ nucleus is studied inbetween p-% ${}^{3}{H}$ and n-${}^{3}{He}$ thresholds, in the energy region where $\alpha$-particles first excited state is inbeded in the continuum. For this aim…

Nuclear Theory · Physics 2009-06-30 Rimantas Lazauskas

Deuteron-proton elastic scattering is studied in the multiple scattering expansion formalism. The four contributions are taken into account: one-nucleon-exchange, single- and double scattering, and $\Delta$-isobar excitation. The presented…

Nuclear Theory · Physics 2016-08-24 N. B. Ladygina

Neutron rich He nuclei have been investigated using relativistic mean field approach in co-ordinate space. Elastic partial scattering cross sections for proton scattering in inverse kinematics have been calculated using the theoretically…

Nuclear Theory · Physics 2015-06-04 Madhubrata Bhattacharya , G. Gangopadhyay , Subinit Roy