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A supersymmetric construction of potentials describing the hard core interaction of the neutron-proton system for low energies is proposed. It considers only the binding energy case and uses the approximation of the Yukawa potential given…

Quantum Physics · Physics 2008-10-13 J. Oscar Rosas-Ortiz

Using the Covariant Spectator Theory (CST), one boson exchange (OBE) models have been found that give precision fits to low energy np scattering and the deuteron binding energy. The boson-nucleon vertices used in these models contain a…

Nuclear Theory · Physics 2014-06-18 Franz Gross

We investigate the dependence of polarisation observables in elastic deuteron Compton scattering below the pion production threshold on the spin-independent and spin-dependent iso-scalar dipole polarisabilities of the nucleon. The…

Nuclear Theory · Physics 2012-03-28 Harald W. Griesshammer , Deepshikha Shukla

Although the neutron (n) does not carry a total electric charge, its charge and magnetization distributions represented in momentum space by the electromagnetic form factors, $F_1^{(n)} (q^2)$ and $F_2^{(n)} (q^2)$, lead to an…

Nuclear Theory · Physics 2008-11-26 M. Nowakowski , N. G. Kelkar , T. Mart

We develop the theoretical framework for semi-inclusive deep-inelastic scattering on a polarized spin-1 target and apply it to scattering on the polarized deuteron with spectator nucleon tagging. In Part I (previous article) we present the…

High Energy Physics - Phenomenology · Physics 2026-03-26 W. Cosyn , C. Weiss

We discuss new spin observables presently accessible to measurement in the proton-deuteron (pd) system, namely polarization transfer coefficients from doubly spin-polarized initial state to the outgoing nucleon in the elastic…

Nuclear Theory · Physics 2025-05-21 H. Witała , J. Golak , R. Skibiński , H. Sakai , K. Sekiguchi

We review the recent progress made in studies of deuteron structure at small internucleon distances. This progress is largely facilitated by the new generation of experiments in deuteron electrodisintegration carried out at unprecedentedly…

Nuclear Experiment · Physics 2015-06-23 Werner Boeglin , Misak Sargsian

Light front dynamics is a promising approach for calculating the deuteron wave function and form factors at high momentum transfers. However, in light-front dynamics rotational invariance is not manifest, which results in a splitting in the…

Nuclear Theory · Physics 2007-05-23 Jason R. Cooke

We report on recent calculations of electromagnetic elastic form factors, helicity amplitudes and strong decay widths of N* resonances. The calculations are done in a collective constituent model for the nucleon, in which the resonances are…

Nuclear Theory · Physics 2008-02-03 A. Leviatan , R. Bijker

A general analytical expression has been obtained in the diffraction approximation for the polarization of nucleons arising in the deuteron stripping reaction on nuclei at intermediate energies of the incident particles. A tabulated density…

Nuclear Theory · Physics 2018-10-23 Valery I. Kovalchuk

Eta-deuteron scattering lengths are calculated. A summation of the multiple scattering series is carried out and the result is checked against more involved calculations. The necessity to go beyond the fixed nucleon approximation is…

Nuclear Theory · Physics 2008-11-26 A. M. Green , J. A. Niskanen , S. Wycech

Quantum hydrodynamic (QHD) model of charged spin-1/2 particles contains physical quantities defined for all particles of a species including particles with spin-up and with spin-down. Different population of states with different spin…

Plasma Physics · Physics 2015-04-01 Pavel A. Andreev

The complex Kohn variational principle and the (correlated) hyperspherical harmonics method are applied to study the proton-deuteron elastic scattering at energies above the deuteron breakup threshold. Results for the elastic cross section…

Nuclear Theory · Physics 2009-10-31 A. Kievsky , S. Rosati , M. Viviani

We report progress on nuclear structure functions, especially on their nuclear modifications and a new tensor structure function for the deuteron. To understand nuclear structure functions is an important step toward describing nuclei and…

High Energy Physics - Phenomenology · Physics 2016-04-20 S. Kumano

We report on a first measurement of tensor analyzing powers in quasi-elastic electron-deuteron scattering at an average three-momentum transfer of 1.7 fm$^{-1}$. Data sensitive to the spin-dependent nucleon density in the deuteron were…

General expressions for the unpolarized differential cross section and for various polarization observables in the coherent pseudoscalar meson photo- and electroproduction on the deuteron target have been obtained in one-photon-exchange…

High Energy Physics - Phenomenology · Physics 2019-08-07 G. I. Gakh , A. G. Gakh , E. Tomasi-Gustafsson

The pseudo-spin symmetry is reviewed. A mapping that produces the separation of the total angular momentum into pseudo-orbital and pseudo-spin degrees of freedom is discussed, together with the analytic transformations that take us from the…

We propose two new sources of a substantial tensor polarization of sea partons in the deuteron: the diffractive nuclear shadowing which depends on the alignment of nucleons in the polarized deuteron and the nuclear excess of pions in the…

High Energy Physics - Phenomenology · Physics 2016-09-06 N. N. Nikolaev , W. Schaefer

We review the theory and phenomenology of deep inelastic polarized lepton-nucleon scattering in the light of recent data with a deuteron target from the SMC at CERN and a Helium 3 target from the E142 experiment at SLAC. After including…

High Energy Physics - Phenomenology · Physics 2008-02-03 John Ellis , Marek Karliner

The deuteron form factors are calculated in the framework of the relativistic nucleon-meson dynamics. The relativistic effects change considerably the S- and D-waves of the deuteron, result in the dominating extra component in the deuteron…

Nuclear Theory · Physics 2011-04-15 J. Carbonell , V. A. Karmanov