47 citations · 202 across the 21 of their papers we have counts for
21 papers
Configurational entropy and the Roper resonance in QCD
G. Karapetyan
The electroexcitation of the Roper resonance, which defines the first radially excited state of the nucleon, is examined within the soft-wall AdS/QCD model. Such…
Nuclear information entropy, gravitational form factor, and glueballs in AdS/QCD
G. Karapetyan, R. da Rocha
The nuclear configurational entropy (NCE) is employed to derive two parameters encoding the Pomeron Regge trajectory and the spectrum of closed strings, which are also related to t…
Nuclear configurational entropy and high energy hadron-hadron scattering reactions
G. Karapetyan
In this work, the high energy hadron-hadron scattering is studied in the framework of holographic AdS/QCD models, using the Brower-Polchinski-Strassler-Tan Pomeron exchange kernel…
Total hadronic and photonic cross sections and the nuclear configurational entropy concept
G. Karapetyan
In the framework of eikonalized mini-jet model, contributions from gluon recombination effects are studied for the free proton in and reactions. The nuclear configu…
Configurational entropy of heavy-quark QCD exotica: engendering the next generation
G. Karapetyan, R. da Rocha
The mass spectroscopy of exotic meson states is scrutinized in the AdS/QCD paradigm. The differential configurational entropy is then used to study, derive, and analyze the mass sp…
Baryon production probability via the nuclear configurational entropy
G. Karapetyan
We study the net-baryon production at forward rapidities within the Color Glass Condensate paradigm. At high energy regime, the leading baryon production mechanism is shown to chan…
Nuclear configurational entropy of the energy-energy correlation in annihilation processes
G. Karapetyan
In this paper the nuclear configurational entropy of the energy--energy correlation function is scrutinized, in collisions to hadrons in the back-to-back region, within th…
Configurational entropy and and mesons production in QCD
G. Karapetyan
In the present work the electroproduction for diffractive and mesons by considering AdS/QCD correspondence and Color Glass Condensate (CGC) approximation are studied with r…
Investigation of 11B+197Au Reaction at Intermediate Energies
G. S. Karapetyan, N. A. Demekhina, A. R. Balabekyan
Mechanism of nuclear reactions on 197Au induced by 11B ions at energies above Coulomb barrier was studied by induced-activity method and gamma-spectroscopy. The cross sections of t…
Systematic study of actinide and pre-actinide fission modes
E. Andrade-II, G. S. Karapetyan, A. Deppman +6
In this work, we present new experimental data on mass distribution of fission fragments from Am proton-induced fission at MeV measured at the LNR Phasotron (JINR). T…
Fission and spallation data evaluation using induced-activity method
G. S. Karapetyan
The induced-activity investigations in off-line analysis performed in different experiments, concerning pre-actinide and actinide nuclei, are here presented and discussed. Generali…
Complete and incomplete fusion competition in 11B-induced fission reaction on medium mass targets at intermediate energies
N. A. Demekhina, G. S. Karapetyan, A. R. Balabekyan
The cross sections for the binary fission of 197Au, 181Ta and 209Bi targets induced by 11B ions were measured at intermediate energies. The fission products cross sections were stu…
Production of isomeric states in the deuteron-induced reaction of gold at incident energy 4 GeV
A. R. Balabekyan, N. A. Demekhina, G. S. Karapetyan +6
The independent cross section ratio for production of nuclei from 197Au targets irradiated with 4 GeV deuterons have been measured by off-line gamma-spectroscopy. On the basis of t…
Recoil Properties of Fragments Formed in the 4.4 GeV Deuteron-Induced Reaction on Gold target
A. R. Balabekyan, N. A. Demekhina, G. S. Karapetyan +9
The recoil properties of fragments produced by the interaction of 4.4 GeV deuteron with 197Au target have been studied. New experimental data on recoil properties for 90 nuclei, va…
Target Residues Formed in the Deuteron-Induced Reaction of Gold at Incident Energy 2.2 AGeV
A. R. Balabekyan, N. A. Demekhina, G. S. Karapetyan +10
The cross sections of 110 radioactive nuclide with mass numbers 22 < A < 198 amu from the interaction of 2.2 GeV/nucleon deuterons from the Nuclotron of the Laboratory of High Ener…
Fission of pre-actinide nuclei
A. Deppman, G. S. Karapetyan, V. Guimarães +3
A study of photofission on 181Ta nucleus induced by bremsstrahlung photons with endpoint energies of 50 and 3500 MeV has been performed. The fission yields have been measured by us…
The analysis of cross-sections of proton and deuteron induced reactions on tin isotopes at the beam energy of 3.65 GeV/nucleon
A. R. Balabekyan, N. A. Demekhina, V. M. Zhamkochyan +1
In the given paper the total inelastic cross-sections of the reactions of protons and deuterons on nuclear targets of enriched tin isotopes were compared. The factorization of cros…
Proton-induced fission on 241Am, 238U and 237Np at intermediate energies
A. Deppman, E. Andrade-II, V. Guimaraes +3
Intermediate energy data of proton-induced fission on 241Am, 238U and 237Np targets were analysed and investigated using the computational simulation code CRISP. Inelastic interact…
Photo-fission of 232Th and 238U at intermediate energies
A. Deppman, E. Andrade-II, V. Guimaraes +2
In this work we present an analysis of the yields of fission fragments induced by bremsstrahlung photons with endpoint energies of 50 and 3500 MeV on 232Th and 238U targets using t…
Investigation of induced fission of natPb by accelerated 7Li ions
N. A. Demekhina, G. S. Karapetyan, V. Guimaraes
Cross-sections for fragments produced by the fission reaction induced by accelerated 7Li ions impinged into an natPb target at 245 MeV were obtained. We have applied the induced-ac…
Super-asymmetric fission of heavy nuclei induced by intermediate energy protons
A. Deppman, E. Andrade-II, V. Guimaraes +7
In this work we present the results for the investigation of intermediate-mass fragment (IMF) production with the proton-induced reaction at 660 MeV on 238U and 237Np target. The d…