31 citations · 169 across the 14 of their papers we have counts for
14 papers
Relativistic Structure of the Deuteron: 1.Electro-disintegration and y-scaling
C. Ciofi degli Atti, D. Faralli, A. Yu. Umnikov +1
Realistic solutions of the spinor-spinor Bethe-Salpeter equation for the deuteron with realistic interaction kernel including the exchange of pi, sigma, omega, rho, eta and delta m…
Nucleon and nuclear spin structure functions
S. Scopetta, A. Yu. Umnikov, C. Ciofi degli Atti +1
Nuclear effects in polarized inelastic electron scattering off polarized and polarized are discussed; in the resonance region, Fermi motion effects are found to be muc…
Chiral-Odd Structure Function h_1^D(x) and Tensor Charge of the Deuteron
A. Yu. Umnikov, Han-xin He, F. C. Khanna
The chiral-odd structure function h_{1}^D(x) and the tensor charge of the deuteron are studied within the Bethe-Salpeter formalism for the deuteron amplitude. Utilizing a simple mo…
Deep inelastic scattering on the deuteron in the Bethe-Salpeter formalism II: Realistic -interaction
A. Yu. Umnikov, F. C. Khanna, L. P. Kaptari
We present a systematic study of the leading twist structure functions of the deuteron, F_2^D, b_{1,2}^D and g_1^D in a fully relativistic approach. Our study is based on a realist…
Parametrization of Realistic Bethe-Salpeter Amplitude for the Deuteron
A. Yu. Umnikov
The parametrization of the realistic Bethe-Salpeter amplitude for the deuteron is given. Eight components of the amplitude in the Euclidean space are presented as an analytical fit…
Relativistic Calculation of Structure Functions b_{1,2}(X) of the Deuteron
A. Yu. Umnikov
The structure functions b_{1,2}^D(X) of the deuteron are studied within covariant approach. It is shown that usual nonrelativistic convolution model result in incorrect behavior of…
Bethe-Salpeter Amplitudes and Static Properties of the Deuteron
L. P. Kaptari, A. Yu. Umnikov, S. G. Bondarenko +3
Extended calculations of the deuteron's static properties, based on the numerical solution of the Bethe-Salpeter equation, are presented. A formalism is developed, which provides a…
Spin Structure Function of the Deuteron in the Resonance Region and the GDH Sum Rule for the Neutron
C. Ciofi degli Atti, S. Scopetta, A. Yu. Umnikov +1
The nuclear effects in the spin-dependent structure function of the deuteron are studied in the kinematics of future experiments at CEBAF, ().…
The Neutron Spin Structure Function from the Deuteron Data in the Resonance Region
C. Ciofi degli Atti, S. Scopetta, A. Yu. Umnikov +1
Nuclear effects in the spin-dependent structure function of the deuteron are studied in the kinematics of future experiments at CEBAF, (). The…
The Spectrum and Confinement for the Bethe-Salpeter Equation
A. Yu. Umnikov, F. C. Khanna
The problem of calculating of the mass spectrum of the two-body Bethe-Salpeter equation is studied with no reduction to the three-dimensional ("quasipotential") equation. The metho…
On the Off-Mass-Shell Deformation of the Nucleon Structure Function
A. Yu. Umnikov, F. C. Khanna, L. P. Kaptari
The off-mass-shell behavior of the nucleon structure function, , is studied within an approach motivated by the Sullivan model. Deep inelastic scattering on the nucleon is c…
The Deuteron Spin Structure Functions in the Bethe-Salpeter Approach and the Extraction of the Neutron Structure Function
A. Yu. Umnikov, L. P. Kaptari, K. Yu. Kazakov +1
The nuclear effects in the spin-dependent structure functions and are calculated in the relativistic approach based on the Bethe-Salpeter equation with a realistic…
The Spin-Dependent Structure Functions of Nuclei in the Meson-Nucleon Theory
L. P. Kaptari, A. Yu. Umnikov, C. Ciofi degli Atti +2
A theoretical approach to the investigation of spin-dependent structure functions in deep inelastic scattering of polarized leptons off polarized nuclei, based on the effective mes…
A Relativistic Approach to Deep Inelastic Scattering on the Deuteron
A. Yu. Umnikov, L. P. Kaptari, K. Yu. Kazakov +1
A covariant field theoretical approach to deep inelastic scattering on the deuteron is presented. The deuteron structure function is calculated in terms of the Bethe-Salpeter ampli…