121 citations · 685 across the 36 of their papers we have counts for
34 papers · 1 filter
Isospin symmetry breaking in double-pion production in the region of and the scalar meson
M. N. Platonova, V. I. Kukulin
The first attempt is made to provide a quantitative theoretical interpretation of the WASA-at-COSY experimental data on the basic double-pion production reactions …
-wave dibaryon resonances in elastic scattering and near-threshold pion production
O. A. Rubtsova, V. I. Kukulin, M. N. Platonova
It is demonstrated within the dibaryon-induced model for interaction that scattering in waves is governed mainly by the production of the intermediate dibaryon resona…
Properties of dibaryons in nuclear medium
M. Kakenov, V. I. Kukulin, V. N. Pomerantsev +1
Properties of six-quark dibaryons in nuclear medium are considered by example of nuclei within the three-cluster model. Dibaryon production in nuclei leads to the appe…
Nature of -wave interaction and dibaryon production at nucleonic resonance thresholds
V. I. Kukulin, O. A. Rubtsova, M. N. Platonova +3
Phase shifts and inelasticity parameters for scattering in the partial-wave channels -- and at energies from zero to about 1 GeV are…
Theoretical Study of Spin Observables in Elastic Scattering at Energies MeV
M. N. Platonova, V. I. Kukulin
Various spin observables (analyzing powers and spin-correlation parameters) in elastic scattering at MeV are analyzed within the framework of the refined Glau…
To the nature of nuclear force
V. I. Kukulin, V. N. Pomerantsev, O. A. Rubtsova +1
It has been shown for the first time that interaction, at least in some partial waves, can be quantitatively described by the superposition of a long-range one-pion exchange a…
Single pole dominance in short- and intermediate-range interaction
V. I. Kukulin, V. N. Pomerantsev, O. A. Rubtsova +1
It is demonstrated that both elastic and inelastic scattering at laboratory energies up to 600--800 MeV, at least in some partial waves characterized by a large inelasticity,…
In-medium bound states and pairing gap
O. A. Rubtsova, V. I. Kukulin, V. N. Pomerantsev +1
The propagator of two nucleons in infinite nuclear matter is evaluated by a diagonalization of the RPA Hamiltonian. This effective Hamiltonian is non-Hermitian and, for spec…
New estimation for neutron-neutron scattering length: charge symmetry and charge independence breaking revisited
E. S. Konobeevski, S. V. Zuyev, V. I. Kukulin +1
Recent experimental results for neutron-neutron scattering length are reanalyzed from the point of view of three-nucleon force contribution. We found that the limiting value of $a_…
Refined Glauber model versus Faddeev calculations and experimental data for spin observables
M. N. Platonova, V. I. Kukulin
Spin-dependent observables in intermediate-energy elastic scattering within the framework of the refined Glauber model are considered. The improvements include an account of a…
Manifestation of the -wave diproton resonance in single-pion production in collisions
M. N. Platonova, V. I. Kukulin
It is demonstrated that many important features of single-pion production in collisions at intermediate energies (- MeV) can naturally be explained by sup…
Discrete Wave-Packet Representation in Nuclear Matter Calculations
H. Müther, O. A. Rubtsova, V. I. Kukulin +1
The Lippmann-Schwinger equation for the nucleon-nucleon -matrix as well as the corresponding Bethe-Goldstone equation to determine the Brueckner reaction matrix in nuclear matte…
Wave-packet continuum discretization for quantum scattering
O. A. Rubtsova, V. I. Kukulin, V. N. Pomerantsev
A general approach to a solution of few- and many-body scattering problems based on a continuum-discretization procedure is described in detail. The complete discretization of cont…
Hidden dibaryons in one- and two-pion production in NN collisions
M. N. Platonova, V. I. Kukulin
Processes of one- and two-pion production in collisions are considered in connection with excitation of intermediate dibaryon resonances. In particular, relative contributions…
New general approach in few-body scattering calculations: Solving discretized Faddeev equations on a graphics processing unit
V. N. Pomerantsev, V. I. Kukulin, O. A. Rubtsova
Background: The numerical solution of few-body scattering problems with realistic interactions is a difficult problem that normally must be solved on powerful supercomputers, takin…
ABC effect as a signal of chiral symmetry restoration in hadronic collisions
M. N. Platonova, V. I. Kukulin
A new nonconventional mechanism for the basic 2π-fusion reaction pn --> d+(ππ)_0 in the energy region T_p = 1.0-1.4 GeV is suggested. The mechanism is aimed at providing a consiste…
Three-body breakup within the fully discretized Faddeev equations
O. A. Rubtsova, V. N. Pomerantsev, V. I. Kukulin +1
A novel approach is developed to find the three-body breakup amplitudes and cross sections within the modified Faddeev equation framework. The method is based on the lattice-like d…
Solving three-body scattering problem in the momentum lattice representation
V. N. Pomerantsev, V. I. Kukulin, O. A. Rubtsova
A brief description of the novel approach towards solving few-body scattering problems in a finite-dimensional functional space of the -type is presented. The method is based…
Continuum discretization methods in a composite-particle scattering off a nucleus: the benchmark calculations
O. A. Rubtsova, V. I. Kukulin, A. M. Moro
The direct comparison of two different continuum discretization methods towards the solution of a composite particle scattering off a nucleus is presented. The first approach -- th…
Isoscalar short-range current in the deuteron induced by an intermediate dibaryon
V. I. Kukulin, I. T. Obukhovsky, P. Grabmayr +1
A new model for short-range isoscalar currents in the deuteron and in the NN system is developed; it is based on the generation of an intermediate dibaryon which is the basic ingre…
Dibaryons as carriers of strong internucleon interactions and a basis for nuclear physics based on QCD
V. I. Kukulin, V. N. Pomerantsev
New concept of intermediate- and short-range nuclear force proposed by the authors a few years ago is discussed briefly. The general concept is based on an assumption on generation…
Description of intermediate- and short-range NN nuclear force within a covariant effective field theory
Amand Faessler, V. I. Kukulin, M. A. Shikhalev
The present paper is aimed to developing an effective field theory in the GeV region to describe consistently both elastic and inelastic NN-scattering in a fully covariant way. In…
Dibaryon model for nuclear force and the properties of the system
V. N. Pomerantsev, V. I. Kukulin, V. T. Voronchev +1
The dibaryon model for interaction, which implies the formation of an intermediate six-quark bag dressed by a -field, is applied to the system, where it results in a n…
The properties of the three-nucleon system with the dressed-bag model for interaction. II: Coulomb and CSB effects
V. I. Kukulin, V. N. Pomerantsev, Amand Faessler
Coulomb and charge-symmetry breaking effects in the He ground state within the dressed dibaryon model developed recently for and forces are examined in detail. Partic…