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NSR database version of May 10, 2024.

Search: Author = A.Y.Umnikov

Found 19 matches.

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1999CI11      Phys.Rev. C60, 034003 (1999)

C.Ciofi degli Atti, D.Faralli, A.Yu.Umnikov, L.P.Kaptari

Relativistic Structure of the Deuteron: Electrodisintegration and y scaling

NUCLEAR REACTIONS 2H(e, e'), E=high; calculated scaling functions, σ(E, θ). Relativistic impulse approximation, Bethe-Salpeter formalism.

doi: 10.1103/PhysRevC.60.034003
Citations: PlumX Metrics


1997UM01      Phys.Lett. 391B, 177 (1997)

A.Yu.Umnikov

Relativistic Calculation of Structure Functions b1, b2(x) of the Deuteron

NUCLEAR STRUCTURE 2H; calculated structure functions b1(x), b2(x). Relativistic approach, realistic calculations.

doi: 10.1016/S0370-2693(96)01440-2
Citations: PlumX Metrics


1997UM03      Z.Phys. A357, 333 (1997)

A.Yu.Umnikov

Parametrization of Realistic Bethe-Salpeter Amplitude for the Deuteron

NUCLEAR STRUCTURE 2H; calculated all components of realistic Bethe-Salpeter amplitude; deduced applicability to observables parametrization.

doi: 10.1007/s002180050250
Citations: PlumX Metrics


1997UM04      Phys.Lett. 398B, 6 (1997)

A.Yu.Umnikov, H.-X.He, F.C.Khanna

Chiral-Odd Structure Function h1(D)(x) and Tensor Charge of the Deuteron

NUCLEAR STRUCTURE 2H; calculated chiral odd structure function, ratio with respect to nucleon, tensor charge. Bethe-Salpeter formalism.

doi: 10.1016/S0370-2693(97)00195-0
Citations: PlumX Metrics


1997UM05      Phys.Rev. C56, 1700 (1997)

A.Yu.Umnikov, F.C.Khanna, L.P.Kaptari

Deep Inelastic Scattering on the Deuteron in the Bethe-Salpeter Formalism. II. Realistic NN Interaction

NUCLEAR STRUCTURE 2H; calculated charge, spin densities, structure functions; deduced relativistic effects. Bethe-Salpeter formalism, deep inelastic scattering.

doi: 10.1103/PhysRevC.56.1700
Citations: PlumX Metrics


1996CI03      Phys.Lett. 376B, 309 (1996)

C.Ciofi degli Atti, L.P.Kaptari, S.Scopetta, A.Yu.Umnikov

The Neutron Spin Structure Function from the Deuteron Data in the Resonance Region

NUCLEAR STRUCTURE 2H; analyzed structure function data. 1n deduced spin structure function.

doi: 10.1016/0370-2693(96)00283-3
Citations: PlumX Metrics


1996KA23      Phys.Rev. C54, 986 (1996)

L.P.Kaptari, A.Yu.Umnikov, S.G.Bondarenko, K.Yu.Kazakov, F.C.Khanna, B.Kampfer

Bethe-Salpeter Amplitudes and Static Properties of the Deuteron

NUCLEAR STRUCTURE 2H; calculated nucleon density, spin distributions, μ, quadrupole moment, other static properties. Bethe-Salpeter formalism, relativistic corrections.

doi: 10.1103/PhysRevC.54.986
Citations: PlumX Metrics


1996UM01      Phys.Rev. C53, 377 (1996)

A.Yu.Umnikov, F.C.Khanna, L.P.Kaptari

Off-Mass-Shell Deformation of the Nucleon Structure Function

NUCLEAR STRUCTURE 2H; calculated structure function relative to nucleon. 1n; calculated structure function relative to deuteron, free neutron. Sullivan model, off-mass shell behavior.

doi: 10.1103/PhysRevC.53.377
Citations: PlumX Metrics


1995KA01      Phys.Rev. C51, 52 (1995)

L.P.Kaptari, A.Yu.Umnikov, C.Ciofi degli Atti, S.Scopetta, K.Yu.Kazakov

Spin-Dependent Structure Functions of Nuclei in the Meson-Nucleon Theory

NUCLEAR STRUCTURE 2H, 3He; calculated spin-dependent structure function. Effective meson-nucleon theory.

doi: 10.1103/PhysRevC.51.52
Citations: PlumX Metrics


1995KA27      Phys.Lett. 351B, 400 (1995)

L.P.Kaptari, A.Yu.Umnikov, F.C.Khanna, B.Kampfer

The Tensor Analyzing Power T20 in Deuteron Break-Up Reactions within the Bethe-Salpeter Formalism

NUCLEAR REACTIONS 1H(polarized d, X), E=high; calculated T20, polarization transfer vs proton momentum after deuteron breakup, differential σ. Relativistic approach based on the Bethe-Salpeter equation, realistic meson exchange potential.

doi: 10.1016/0370-2693(95)00365-R
Citations: PlumX Metrics


1994KA05      Phys.Lett. 321B, 271 (1994)

L.P.Kaptari, K.Yu.Kazakov, A.Yu.Umnikov, B.Kampfer

The Spin-Dependent Deuteron Structure Function within an Effective Meson-Nucleon Theory

NUCLEAR STRUCTURE 2H; calculated ratio of spin structure function relative to that of the isoscalar nucleon.

doi: 10.1016/0370-2693(94)90476-6
Citations: PlumX Metrics


1994UM01      Phys.Rev. C49, 2311 (1994)

A.Yu.Umnikov, F.C.Khanna

Deep Inelastic Scattering on the Deuteron in the Bethe-Salpeter Formalism: Scalar meson exchange

NUCLEAR STRUCTURE 2H; calculated structure function relative to nucleon. Fully convariant field theoretical approach, deep inelastic scattering.

doi: 10.1103/PhysRevC.49.2311
Citations: PlumX Metrics


1994UM03      Z.Phys. A348, 211 (1994)

A.Yu.Umnikov, F.C.Khanna, L.P.Kaptari

On the Unfolding of Neutron Structure Functions from the Deuteron Data

NUCLEAR STRUCTURE 2,1H; analyzed structure function data. 1n deduced structure function.

doi: 10.1007/BF01291919
Citations: PlumX Metrics


1994UM04      Phys.Lett. 334B, 163 (1994)

A.Yu.Umnikov, L.P.Kaptari, K.Yu.Kazakov, F.C.Khanna

A Relativistic Approach to Deep Inelastic Scattering on the Deuteron

NUCLEAR STRUCTURE 2H; calculated structure function. Covariant field theoretical approach, realistic NN-interaction.

doi: 10.1016/0370-2693(94)90605-X
Citations: PlumX Metrics


1992KA24      Z.Phys. A341, 353 (1992)

L.P.Kaptari, A.Yu.Umnikov

On the Role of the Δ-Isobar in Deep Inelastic Scattering on the Deuteron

NUCLEAR STRUCTURE 2H; calculated structure function, ratio to nucleon function; deduced Δ-isobar role in deep inelastic scattering.

doi: 10.1007/BF01283545
Citations: PlumX Metrics


1991AN08      Nuovo Cim. 104A, 487 (1991)

A.N.Antonov, L.P.Kaptari, V.A.Nikolaev, A.Yu.Umnikov

Deep Inelastic Lepton-Nucleus Scattering and Nucleon Binding and Correlations in Nuclei

NUCLEAR STRUCTURE 12C, 56Fe; analyzed structure function data. Coherent density fluctuation model.

doi: 10.1007/BF02813586
Citations: PlumX Metrics


1990BR32      Izv.Akad.Nauk SSSR, Ser.Fiz. 54, 959 (1990); Bull.Acad.Sci.USSR, Phys.Ser. 52, No.5, 142 (1990)

E.L.Bratkovskaya, A.A.Goi, S.M.Dorkin, B.L.Reznik, A.Yu.Umnikov

The Inclusive Reaction ed → e'np. Final-State Interaction Effects, y-Scaling, and the Structure of the Deuteron

NUCLEAR REACTIONS 2H(e, e'np), E not given; analyzed data; deduced other effects than 2H structure function. Final state interactions, y-scaling.


1990GO17      Yad.Fiz. 51, 1273 (1990); Sov.J.Nucl.Phys. 51, 809 (1990)

A.A.Goy, B.L.Reznik, A.I.Titov, A.Yu.Umnikov

Final-State Interaction in Deuteron Electrodisintegration

NUCLEAR REACTIONS 2H(e, e'p), E=500 MeV; calculated σ(θ(e'), θp) vs nucleon momentum; deduced final state interaction role.


1988KA33      Pisma Zh.Eksp.Teor.Fiz. 47, 428 (1988); JETP Lett.(USSR) 47, 508 (1988)

L.P.Kapitar, B.L.Reznik, A.I.Titov, A.Yu.Umnikov

Meson Exchange Currents in Deep Inelastic Scattering by a Deuteron

NUCLEAR STRUCTURE 2H; calculated meson exchange current corrections to structure function.


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