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The deuteron form factors are calculated using two model wave functions obtained from the 2007 CST high precision fits to $np$ scattering data. Included in the calculation are a new class of isoscalar $np$ interaction currents which are…

Nuclear Theory · Physics 2020-02-12 Franz Gross

The paper considers the electrodisintegration of the deuteron for kinematic conditions of the JLab experiment E-94-019. The calculations have been performed within the covariant Bethe-Salpeter approach with a separable kernel of…

Nuclear Theory · Physics 2011-03-07 S. G. Bondarenko , V. V. Burov , E. P. Rogochaya

A review of the hadron electromagnetic form factors obtained in a light-front constituent quark model, based on the eigenfunctions of a mass operator, is presented. The relevance of different components in the q-q interaction for the…

Nuclear Theory · Physics 2009-10-31 E. Pace , G. Salme` , F. Cardarelli , S. Simula

The electromagnetic form factors of $\pi$ and $K$ mesons and deuteron are calculated in modified impulse approximation using instant form of relativistic Hamiltonian dynamics. The different model wave functions are used. Meson wave function…

High Energy Physics - Phenomenology · Physics 2007-05-23 A. F. Krutov , V. E. Troitsky

We compute the gravitational form factors (GFFs) and study their applications for the description of the mechanical properties such as the pressure, shear force distributions, and the mechanical radius of the proton from its light-front…

High Energy Physics - Phenomenology · Physics 2024-03-19 Sreeraj Nair , Chandan Mondal , Siqi Xu , Xingbo Zhao , Asmita Mukherjee , James P. Vary

The decays of narrow light vector mesons into pseudoscalar mesons and dileptons are calculated to leading order in a recently proposed scheme which treats pseudoscalar and vector mesons on equal footing. Since all required parameters have…

High Energy Physics - Phenomenology · Physics 2014-11-20 Carla Terschluesen , Stefan Leupold

The electromagnetic and gravitational form factors of decuplet baryons are systematically studied with a covariant quark-diquark approach. The model parameters are firstly discussed and determined through comparison with the lattice…

High Energy Physics - Phenomenology · Physics 2023-11-15 JiaQi Wang , Dongyan Fu , Yubing Dong

Deuteron elastic and deep inelastic electromagnetic properties have been studied within the front-form Hamiltonian dynamics, using a Poincar\'e-covariant current operator. The deuteron elastic form factors are strongly sensitive to…

Nuclear Theory · Physics 2016-11-23 E. Pace , G. Salme`

We obtain the gravitational form factors (GFFs) and investigate their applications for the description of the mechanical properties, i.e., the distributions of pressures, shear forces inside proton, and the mechanical radius, in a…

High Energy Physics - Phenomenology · Physics 2020-12-29 Dipankar Chakrabarti , Chandan Mondal , Asmita Mukherjee , Sreeraj Nair , Xingbo Zhao

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

Elastic ed scattering, with deuteron polarization, up to high momentum transfer provides detailed information on the deuteron wave function. This determines the range dependence of the orbital and spin components of the one- and two-body…

Nuclear Theory · Physics 2007-05-23 E. Lomon

The electromagnetic form factors of light and heavy pseudoscalar mesons are calculated within two covariant constituent-quark models, a light-front and a dispersion relation approach. We investigate the details and physical origins of the…

High Energy Physics - Phenomenology · Physics 2011-08-31 B. El-Bennich , J. P. B. C. de Melo , B. Loiseau , J. -P. Dedonder , T. Frederico

We generalize the recoil polarization method for the determination of the proton form factor to the case of the disintegration of vector polarized deuterons by longitudinally polarized electrons, $\vec d(\vec e, e'n)p$. We suggest to…

Nuclear Theory · Physics 2009-11-10 E. Tomasi-Gustafsson , G. I. Gakh , A. P. Rekalo , M. P. Rekalo

We present predictions for the formation of (anti)nuclear bound states in nucleus-nucleus reactions at RHIC energies. he phase space coalescence method is used in combination with RQMD-v2.4 transport calculations to demonstrate the…

Nuclear Theory · Physics 2019-08-17 B. Monreal , W. J. Llope , R. Mattiello , S. Y. Panitkin , H. Sorge , N. Xu

A parameter-free evaluation of the $N - \Delta$ electromagnetic transition form factors is carried out in a light-front constituent quark model, based on $N$ and $\Delta$ eigenstates of a mass operator which reproduces a large set of hadron…

Nuclear Theory · Physics 2009-10-28 F. Cardarelli , E. Pace , G. Salme' , S. Simula

The electromagnetic form factors of the proton and the neutron are computed within lattice QCD using simulations with quarks masses fixed to their physical values. Both connected and disconnected contributions are computed. We analyze two…

High Energy Physics - Lattice · Physics 2019-08-28 C. Alexandrou , S. Bacchio , M. Constantinou , J. Finkenrath , K. Hadjiyiannakou , K. Jansen , G. Koutsou , A. Vaquero Aviles Casco

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

We study deeply virtual Compton scattering and deep exclusive meson electroproduction on a deuteron target. We model the Generalized Quark Distributions in the deuteron by using the impulse approximation for the lowest Fock-space state on…

High Energy Physics - Phenomenology · Physics 2014-11-17 F. Cano , B. Pire

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 obtain the deuteron's wave functions as eigenstates of the light-front quantum chromodynamics (QCD) Hamiltonian using a fully relativistic and nonperturbative approach based on light-front quantization, without an explicit confining…

High Energy Physics - Phenomenology · Physics 2025-05-20 Chandan Mondal , Satvir Kaur , Jiatong Wu , Siqi Xu , Xingbo Zhao , James P. Vary