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Using the instant form dynamics of Poincar\'e invariant quantum mechanics and the modified relativistic impulse approximation proposed previously we calculate asymptotics of electromagnetic form factors for the deuteron considered as…

Nuclear Theory · Physics 2009-01-14 A. F. Krutov , V. E. Troitsky , N. A. Tsirova

We discuss the applicability of pQCD to the elastic scattering of electrons on protons and deuterons. We analyze the $Q^2$-dependence of the reduced deuteron form factor, taking into account the recent data on the electric proton form…

High Energy Physics - Phenomenology · Physics 2007-05-23 Michail P. Rekalo , Egle Tomasi-Gustafsson

We present new parameterizations of vector and axial nucleon form factors. We maintain an excellent descriptions of the form factors at low momentum transfers ($Q^2$), where the spatial structure of the nucleon is important, and use the…

High Energy Physics - Experiment · Physics 2008-11-26 A. Bodek , S. Avvakumov , R. Bradford , H. Budd

The sensitivity of the deuteron form factor to contributions from the excited states of the nucleon is explored using a simple model of the nucleon-nucleon interaction which employs a tower of charged nucleon resonances. The model is…

Nuclear Theory · Physics 2007-05-23 Kelly Ann Herbst , Franz Gross

Based on the recent, high precision data for elastic electron scattering from protons and deuterons, at relatively large momentum transfer $Q^2$, we determine the neutron electric form factor up to $Q^2=3.5$ GeV$^2$. The values obtained…

Nuclear Theory · Physics 2009-11-07 Egle Tomasi-Gustafsson , Michail P. Rekalo

We calculate the deuteron electromagnetic form factors in a modified version of Weinberg's chiral effective field theory approach to the two-nucleon system. We derive renormalizable integral equations for the deuteron without partial wave…

Nuclear Theory · Physics 2015-06-18 E. Epelbaum , A. M. Gasparyan , J. Gegelia , M. R. Schindler

Making use of the effective field theory expansion recently developed by the authors, we compute the electromagnetic form factors of the deuteron analytically to next-to-leading order (NLO). The computation is rather simple, and involves…

Nuclear Theory · Physics 2009-10-31 David B. Kaplan , Martin J. Savage , Mark B. Wise

Based on a Perturbative QCD analysis of the deuteron form factor, a model for the reduced form factor is suggested. The numerical result is consistent with the data in the intermediate energy region.

High Energy Physics - Phenomenology · Physics 2008-11-26 Jun Cao , Hui-fang Wu

The main features of obtaining the asymptotic behaviour of the electric structure function A(p) at large values of the transmitted momentum are analysed. The asymptotic behaviour of the structure function A(p) was determined to take into…

Nuclear Theory · Physics 2020-06-24 V. I. Zhaba

Within the framework of the study of radiative corrections to the polarization observed in elastic $ed$-scattering in leptonic variables have been calculated the Born values of vector AB^L, AB^T and tensor AB^LL, AB^TT, AB^LT asymmetries.…

Nuclear Theory · Physics 2019-07-15 V. I. Zhaba

A rigorous extraction of the deuteron charge form factors from tensor polarization data in elastic electron-deuteron scattering, at given values of the 4-momentum transfer, is presented. Then the world data for elastic electron-deuteron…

Nuclear Experiment · Physics 2008-11-26 TheJLAB t20 collaboration , D. Abbott

Experimental observables of the elastic eD-scattering in the region of intermediate energies are discussed. We offer the analysis of the available experimental data, which reproduces the results of the calculations with popular…

High Energy Physics - Phenomenology · Physics 2009-09-25 A. P. Kobushkin , A. I. Syamtomov

We discuss the recent data on the electric proton form factor, obtained at JLab, which show a spectacular deviation from the commonly assumed dipole behavior. We discuss the implication of these results on the deuteron structure and on the…

Nuclear Theory · Physics 2007-05-23 Egle Tomasi-Gustafsson , Michail P. Rekalo

We extend the original idea of reduced nuclear amplitudes to capture individual helicity amplitudes and discuss various applications to exclusive processes involving the deuteron. Specifically, we consider deuteron form factors, structure…

Nuclear Theory · Physics 2023-05-03 J. Flores , S. S. Chabysheva , J. R. Hiller

The gravitational form factors of the deuteron are calculated in the framework of non-relativistic chiral effective field theory. Non-relativistic reduction of the matrix element of the energy-momentum tensor operator for spin-one systems…

Nuclear Theory · Physics 2024-12-31 J. Yu. Panteleeva , E. Epelbaum , A. M. Gasparyan , J. Gegelia

The gravitational form factors of light nuclei are evaluated up to momenta of the order of the nucleon mass, using the impulse approximation. The nucleon gravitational form factors are reduced non-relativistically, and used to derive the…

Nuclear Theory · Physics 2024-04-18 Fangcheng He , Ismail Zahed

We find the leading order result for the anapole form factor of the deuteron using effective field theory. The momentum dependence of the anapole form factor is different from that of the matrix element of the strange currents in the…

Nuclear Theory · Physics 2009-10-31 Martin J. Savage , Roxanne P. Springer

We treat baryons as bound states of scalar or axialvector diquarks and a constituent quark which interact through quark exchange. This description results as an approximation to the relativistic Faddeev equation for three quarks which…

Nuclear Theory · Physics 2009-10-31 M. Oettel , S. Ahlig , R. Alkofer , C. Fischer

We present a high-quality description of the deuteron electromagnetic form factors in a soft-wall AdS/QCD approach. We first propose an effective action describing the dynamics of the deuteron in the presence of an external vector field.…

High Energy Physics - Phenomenology · Physics 2015-06-03 Thomas Gutsche , Valery E. Lyubovitskij , Ivan Schmidt , Alfredo Vega

Polarization observables of the A(d,d')X reactions have been calculated according to the received coeffcients of the analytical form for deuteron wave function in coordinate space for the nucleon-nucleon Nijmegen group potentials (NijmI,…

Nuclear Theory · Physics 2019-07-15 V. I. Zhaba