NSR Query Results
Output year order : Descending NSR database version of March 21, 2024. Search: Author = I.Egorova Found 24 matches. 2019CH29 Bull.Rus.Acad.Sci.Phys. 83, 392 (2019) V.Chudoba, L.V.Grigorenko, A.S.Fomichev, A.A.Bezbakh, I.A.Egorova, S.N.Ershov, A.V.Gorshkov, V.A.Gorshkov, G.Kaminski, S.A.Krupko, I.Mukha, E.Yu.Nikolskii, Yu.L.Parfenova, S.I.Sidorchuk, P.G.Sharov, R.S.Slepnev, L.Standylo, S.V.Stepantsov, G.M.Ter-Akopian, R.Wolski, M.V.Zhukov Detailed Study of External Correlations in the Low-Energy Spectrum of Beryllium-6
doi: 10.3103/S1062873819040142
2018CH56 Phys.Rev. C 98, 054612 (2018) V.Chudoba, L.V.Grigorenko, A.S.Fomichev, A.A.Bezbakh, I.A.Egorova, S.N.Ershov, M.S.Golovkov, A.V.Gorshkov, V.A.Gorshkov, G.Kaminski, S.A.Krupko, I.Mukha, E.Yu.Nikolskii, Yu.L.Parfenova, S.I.Sidorchuk, P.G.Sharov, R.S.Slepnev, L.Standylo, S.V.Stepantsov, G.M.Ter-Akopian, R.Wolski, M.V.Zhukov Three-body correlations in direct reactions: Example of 6Be populated in the (p, n) reaction NUCLEAR REACTIONS 1H(6Li, 6Be), E=47 MeV/nucleon; measured Eα, Iα, E(p), I(p), αp- and pp-coin, p(θ) and α(θ), differential σ(E) of channels populating g.s. and first 2+ state in 6Be, angular kinetic energy distributions of 6Be decay using two annular telescopes of position-sensitive silicon detectors with CsI(Tl) crystal arrays for particle detection using the U-400M cyclotron and ACCULINNA facility at the FLNR-JINR facility. 6Be; deduced integral invariant mass spectrum, density matrix spin structure for the 2+ state, energy distributions for the α+p+p decay of the 6Be continuum. Monte Carlo simulations. Relevance to high-statistics few-body correlation data to extract detailed information on the reaction mechanism.
doi: 10.1103/PhysRevC.98.054612
2018PA43 Phys.Rev. C 98, 034608 (2018) Yu.L.Parfenova, L.V.Grigorenko, I.A.Egorova, N.B.Shulgina, J.S.Vaagen, M.V.Zhukov From Coulomb excitation cross sections to nonresonant astrophysical rates in three-body systems: The 17Ne case NUCLEAR REACTIONS C, Si, Pb(17Ne, X), E=500 MeV/nucleon; calculated σ, and 17Ne E1 strength function extrapolated to astrophysical energies, eikonal model cross sections of the nuclear, E1 nuclear, and E1 Coulomb dissociation on Pb target, EMD cross sections. 15O(2p, γ)17Ne, T9=0.02-10; calculated astrophysical non-resonant radiative capture rate. Three-body hyperspherical harmonic (HH) method. Comparison with experimental data.
doi: 10.1103/PhysRevC.98.034608
2017RY01 Acta Phys.Pol. B48, 683 (2017) S.A.Rymzhanova, L.V.Grigorenko, I.A.Egorova, A.G.Knyazev, Y.L.Parfenova, P.G.Sharov Three-body Correlations Data Analysis Through Monte Carlo Simulation in Decay of 10He NUCLEAR REACTIONS 3H(8He, p)10He, E*=0-8 MeV. 10He; calculated neutron halo nucleus three-body decay (2n plus 8He) corresponding to 0+, 1- and 2+ states - 10He angular correlations, energy distribution between the neutron pair using TEG-DDR Monte Carlo event generator simulations. Compared with published data.
doi: 10.5506/APhysPolB.48.683
2017SH29 Phys.Rev. C 96, 025807 (2017) P.G.Sharov, A.S.Fomichev, A.A.Bezbakh, V.Chudoba, I.A.Egorova, M.S.Golovkov, T.A.Golubkova, A.V.Gorshkov, L.V.Grigorenko, G.Kaminski, A.G.Knyazev, S.A.Krupko, M.Mentel, E.Yu.Nikolskii, Yu.L.Parfenova, P.Pluchinski, S.A.Rymzhanova, S.I.Sidorchuk, R.S.Slepnev, S.V.Stepantsov, G.M.Ter-Akopian, R.Wolski Search for 2p decay of the first excited state of 17Ne NUCLEAR REACTIONS 1H(18Ne, d), E=35 MeV/nucleon, [18Ne secondary beam from 9Be(20Ne, X), E=53 MeV/nucleon primary reaction]; measured deuterons, dpp-coin, time-of-flight, energy loss, missing mass and excitation energy spectra of 17Ne at Flerov Laboratory of Nuclear Reactions at JINR-Dubna. 17Ne; deduced level, upper limit of 2p-decay branch (Γ2p/Γγ) of the first excited state of 17Ne and comparison with theoretical predictions.
doi: 10.1103/PhysRevC.96.025807
2016EG02 Phys.Rev. C 94, 034322 (2016) Electric dipole response of neutron-rich calcium isotopes in relativistic quasiparticle time blocking approximation NUCLEAR STRUCTURE 40,42,44,46,48,50,52,54Ca; calculated excitation spectra of collective vibrations (phonons) and phonon-nucleon coupling vertices for J≤6 and natural parity, E1 strengths, integrated dipole strength below 10 MeV and compared with that in Pb, Sn, and Ni isotopes, fraction of the energy-weighted sum rule (EWSR) RQTBA, transition densities for 48Ca; deduced dependence of pygmy dipole strength on the isospin asymmetry parameter. Covariant Lagrangian of quantum hydrodynamics with relativistic quasiparticle time blocking approximation (RQTBA), and relativistic quasiparticle random-phase approximation (RQRPA) calculations. Comparison with experimental data.
doi: 10.1103/PhysRevC.94.034322
2014BR19 Phys.Rev.Lett. 113, 232501 (2014) K.W.Brown, R.J.Charity, L.G.Sobotka, Z.Chajecki, L.V.Grigorenko, I.A.Egorova, Yu.L.Parfenova, M.V.Zhukov, S.Bedoor, W.W.Buhro, J.M.Elson, W.G.Lynch, J.Manfredi, D.G.McNeel, W.Reviol, R.Shane, R.H.Showalter, M.B.Tsang, J.R.Winkelbauer, A.H.Wuosmaa Observation of Long-Range Three-Body Coulomb Effects in the Decay of 16Ne RADIOACTIVITY 16Ne(2p) [from Be(17Ne, X), E=57.6 MeV/nucleon]; measured decay products, Ep, Ip; deduced resonance width limit, correlations between the momenta of the three decay products, dependence on the long-range nature of the Coulomb interaction. Comparison with theoretical calculations, available data.
doi: 10.1103/PhysRevLett.113.232501
2014MA26 Acta Phys.Pol. B45, 229 (2014) J.Marganiec, F.Wamers, F.Aksouh, Y.Aksyutina, H.Alvarez-Pol, T.Aumann, S.Beceiro, C.Bertulani, K.Boretzky, M.J.G.Borge, M.Chartier, A.Chatillon, L.Chulkov, D.Cortina-Gil, I.Egorova, H.Emling, O.Ershova, C.Forssen, L.M.Fraile, H.Fynbo, D.Galaviz, H.Geissel, L.Grigorenko, M.Heil, D.H.H.Hoffmann, J.Hoffmann, H.Johansson, B.Jonson, M.Karakoc, C.Karagiannis, O.Kiselev, J.V.Kratz, R.Kulessa, N.Kurz, C.Langer, M.Lantz, K.Larsson, T.Le Bleis, R.Lemmon, Yu.A.Litvinov, K.Mahata, C.Muntz, T.Nilsson, C.Nociforo, G.Nyman, W.Ott, V.Panin, Yu.Parfenova, S.Paschalis, A.Perea, R.Plag, R.Reifarth, A.Richter, K.Riisager, C.Rodriguez-Tajes, D.Rossi, G.Schrieder, N.Shulgina, H.Simon, J.Stroth, K.Summerer, J.Taylor, O.Tengblad, E.Tengborn, H.Weick, M.Wiescher, C.Wimmer, M.Zhukov Study of the 15O(2p, γ)17Ne Cross Section by Coulomb Dissociation of 17Ne for the rp Process of Nucleosynthesis NUCLEAR REACTIONS Pb(17Ne, 2p)15O, E=500 MeV/nucleon; measured reaction products, Eγ, Iγ, Ep, Ip; deduced σ, σ(E), resonances. Comparison with theoretical calculations, R3BROOT package.
doi: 10.5506/APhysPolB.45.229
2014SH23 Phys.Rev. C 90, 024610 (2014) P.G.Sharov, I.A.Egorova, L.V.Grigorenko Anomalous population of 10He states in reactions with 11Li NUCLEAR REACTIONS 1H(11Li, 10He), E not given; calculated excitation functions for population of different states in 10He through proton knockout reaction; deduced superposition of 1-, 0+ and 2+ states rather than resonant 0+ ground state for the experimentally observed resonance at 1.2-1.5 MeV, with 1- state calculated as the lowest excitation in 10He, and its ground-state at approximately 2.1 MeV instead of 1.3 MeV. Discussed three-body correlations in 10He, α-knockout from 14Be, core-recoil effect, halo structure, and constraints on the spectrum of 9He. Sudden removal of proton and three-body model.
doi: 10.1103/PhysRevC.90.024610
2013SI09 Bull.Rus.Acad.Sci.Phys. 77, 355 (2013); Izv.Akad.Nauk RAS, Ser.Fiz 77, 398 (2013) S.I.Sidorchuk, A.A.Bezbakh, R.Wolski, M.S.Golovkov, A.V.Gorshkov, V.A.Gorshkov, L.V.Grigorenko, I.A.Egorova, G.Kaminski, S.A.Krupko, E.A.Kuzmin, E.Yu.Nikolskii, Yu.Ts.Oganessian, Yu.L.Parfenova, R.S.Slepnev, S.V.Stepantsov, G.M.Ter-Akopian, A.S.Fomichev, V.Chudoba, P.G.Sharov, P.Jaluvkova Correlation Investigations of the Low-Energy 10He Spectrum NUCLEAR REACTIONS 3H(8He, p), E=21.5 MeV/nucleon; measured reaction products, Ep, Ip; deduced missing mass spectrum, J, π of excited states. Comparison with available data.
doi: 10.3103/S1062873813040278
2012EG03 Phys.Rev.Lett. 109, 202502 (2012) I.A.Egorova, R.J.Charity, L.V.Grigorenko, Z.Chajecki, D.Coupland, J.M.Elson, T.K.Ghosh, M.E.Howard, H.Iwasaki, M.Kilburn, Jenny Lee, W.G.Lynch, J.Manfredi, S.T.Marley, A.Sanetullaev, R.Shane, D.V.Shetty, L.G.Sobotka, M.B.Tsang, J.Winkelbauer, A.H.Wuosmaa, M.Youngs, M.V.Zhukov Democratic Decay of 6Be Exposed by Correlations NUCLEAR REACTIONS Be(7Be, X)6Be, E=70 MeV/nucleon; measured reaction products, Eα, Iα, Ep, Ip; deduced three-body energy-angular correlations, three-body democratic decay. Comparison with a three-cluster-model calculations.
doi: 10.1103/PhysRevLett.109.202502
2012FO02 Phys.Lett. B 708, 6 (2012) A.S.Fomichev, V.Chudoba, I.A.Egorova, S.N.Ershov, M.S.Golovkov, A.V.Gorshkov, V.A.Gorshkov, L.V.Grigorenko, G.Kaminski, S.A.Krupko, I.G.Mukha, Yu.L.Parfenova, S.I.Sidorchuk, R.S.Slepnev, L.Standylo, S.V.Stepantsov, G.M.Ter-Akopian, R.Wolski, M.V.Zhukov Isovector soft dipole mode in 6Be NUCLEAR REACTIONS 1H(6Li, 6Be), E=47 MeV/nucleon; measured reaction products. 6Be; deduced σ(θ), J, π, population of continuum states by detecting α+p+p coincidences, negative parity states, isovector soft dipole mode associated with the 6Li ground state. Comparison with Monte-Carlo calculations.
doi: 10.1016/j.physletb.2012.01.004
2012GR21 Phys.Rev. C 86, 061602 (2012) L.V.Grigorenko, I.A.Egorova, R.J.Charity, M.V.Zhukov Sensitivity of three-body decays to the reactions mechanism and the initial structure by example of 6Be NUCLEAR STRUCTURE 6Be; calculated excitation spectra of 0+ and 2+ states as function of the spin composition of the source function, dependence of the 6Be excitation spectra on the radius parameter r0 of the 7Be; analyzed neutron-knockout reactions on 7Be reaction mechanism, effects of initial-state structure, three-body decay. Comparison with experimental data.
doi: 10.1103/PhysRevC.86.061602
2012SI07 Phys.Rev.Lett. 108, 202502 (2012) S.I.Sidorchuk, A.A.Bezbakh, V.Chudoba, I.A.Egorova, A.S.Fomichev, M.S.Golovkov, A.V.Gorshkov, V.A.Gorshkov, L.V.Grigorenko, P.Jaluvkova, G.Kaminski, S.A.Krupko, E.A.Kuzmin, E.Yu.Nikolskii, Yu.Ts.Oganessian, Yu.L.Parfenova, P.G.Sharov, R.S.Slepnev, S.V.Stepantsov, G.M.Ter-Akopian, R.Wolski, A.A.Yukhimchuk, S.V.Filchagin, A.A.Kirdyashkin, I.P.Maksimkin, O.P.Vikhlyantsev Structure of 10He Low-Lying States Uncovered by Correlations NUCLEAR REACTIONS 3H(8He, p), E=21.5 MeV/nucleon; measured reaction products, Ep, Ip. 10He; deduced σ, ground and low-lying state energies, J, π, resonance width. Comparison with available data.
doi: 10.1103/PhysRevLett.108.202502
2012TE04 Bull.Rus.Acad.Sci.Phys. 76, 1172 (2012); Izv.Akad.Nauk RAS, Ser.Fiz 76, 1311 (2012) G.M.Ter-Akopian, A.A.Bezbakh, R.Wolski, M.S.Golovkov, A.V.Gorshkov, V.A.Gorshkov, L.V.Grigorenko, I.A.Egorova, G.Kaminski, S.A.Krupko Research program for the radioactive beams of the ACCULINNA-2 separator
doi: 10.3103/S1062873812110226
2011FO08 Int.J.Mod.Phys. E20, 1491 (2011) A.S.Fomichev, I.G.Mukha, S.V.Stepantsov, L.V.Grigorenko, E.V.Litvinova, V.Chudoba, I.A.Egorova, M.S.Golovkov, A.V.Gorshkov, V.A.Gorshkov, G.Kaminski, S.A.Krupko, Yu.L.Parfenova, S.I.Sidorchuk, R.S.Slepnev, G.M.Ter-Akopian, R.Wolski, M.V.Zhukov Lifetime of 26S and a limit for its 2p decay energy NUCLEAR STRUCTURE 24,26S, 25P; calculated ground state function width, T1/2, energies and charge radii, pairing gap. RMF approach, three-cluster decay model. RADIOACTIVITY 25P(p), 26S(2p) [from Be(32S, X)26S/25P, E=50.3 MeV/nucleon]; measured reaction products, TOF, Ep, Ip; deduced yields, T1/2 limits. Comparison with other data.
doi: 10.1142/S0218301311018216
2010GR06 Phys.Rev. C 82, 014615 (2010) L.V.Grigorenko, I.A.Egorova, M.V.Zhukov, R.J.Charity, K.Miernik Two-proton radioactivity and three-body decay. V. Improved momentum distributions RADIOACTIVITY 6Be, 19Mg, 54Fe(2p); calculated classical trajectories, energy distribution, momentum density distribution contour maps, angular distributions and inclusive energies for true three-body decays. Exactly solvable semianalytical models with simplified three-body Hamiltonians. Discussed effect of screening by atomic electrons. Comparison with experimental data.
doi: 10.1103/PhysRevC.82.014615
2010MU12 Phys.Rev. C 82, 054315 (2010) I.Mukha, K.Summerer, L.Acosta, M.A.G.Alvarez, E.Casarejos, A.Chatillon, D.Cortina-Gil, I.A.Egorova, J.M.Espino, A.Fomichev, J.E.Garcia-Ramos, H.Geissel, J.Gomez-Camacho, L.Grigorenko, J.Hofmann, O.Kiselev, A.Korsheninnikov, N.Kurz, Yu.A.Litvinov, E.Litvinova, I.Martel, C.Nociforo, W.Ott, M.Pfutzner, C.Rodriguez-Tajes, E.Roeckl, M.Stanoiu, N.K.Timofeyuk, H.Weick, P.J.Woods Spectroscopy of proton-unbound nuclei by tracking their decay products in-flight: One- and two- proton decays of 15F, 16Ne, and 19Na NUCLEAR REACTIONS 9Be(17Ne, X)16Ne, E=410 MeV/nucleon; 9Be(20Mg, X), E=450 MeV/nucleon; measured Ep, Ip, p(heavy-ion)-coin, p(heavy-ion)(θ), pp(heavy-ion fragment)-coin, pp(heavy-ion fragment)(θ), Monte-Carlo simulations. 14O, 15F, 16Ne; deduced levels, J, resonances, proton-decay modes, widths. 17Ne and 20Mg beams from fragmentation of 24Mg beam at 591 MeV/nucleon. RADIOACTIVITY 15F, 19Na(p); 16Ne(2p); measured Ep, Ip, p(14O)-coin, p(14O)(θ), p(18Ne)-coin, p(18Ne)(θ), pp(14O)(θ), pp(14O)-coin; deduced decay energies and widths. Monte-Carlo simulations of angular correlation spectra.
doi: 10.1103/PhysRevC.82.054315
2006DR09 Bull.Rus.Acad.Sci.Phys. 70, 245 (2006) V.A.Drozdov, I.M.Egorova, D.O.Eremenko, S.Yu.Platonov, O.V.Fotina, M.Kh.Eslamizadekh, O.A.Yuminov Duration of induced fission reaction of heavy nuclei as source of information on nuclear matter viscosity NUCLEAR REACTIONS Pt, 208Pb, 238U(28Si, X), E* ≈ 0-250 MeV; calculated fission time, neutron multiplicity.
2002EG03 Bull.Rus.Acad.Sci.Phys. 66, 1622 (2002) I.M.Egorova, S.O.Eremenko, S.Yu.Platonov, O.V.Fotina, O.A.Yuminov Time characteristics of nucleus-nucleus reactions: direct Monte Carlo analysis of experimental data NUCLEAR REACTIONS 28Si(12C, X), E=45, 54, 66, 84 MeV; 28Si(19F, X), E=60 MeV; analyzed time characteristics of particle emission. Monte Carlo approach.
1998EG01 Bull.Rus.Acad.Sci.Phys. 62, 725 (1998) I.M.Egorova, D.O.Eremenko, Yu.L.Parfenova, S.Yu.Platonov, O.V.Fotina, O.A.Yuminov Multiplicity of Prescission Neutrons in Nucleus-Nucleus Reactions NUCLEAR REACTIONS 208Pb(16O, X), 232Th(19F, X), E=86-150 MeV; calculated fusion, fission σ, prescission neutron multiplicity. Comparison with data.
1998EG02 Bull.Rus.Acad.Sci.Phys. 62, 834 (1998) I.M.Egorova, D.O.Eremenko, S.Yu.Platonov, O.A.Yuminov, F.Malaguti, A.Uguzzoni, G.Forster Angular Correlations of Fission Fragments in the Study of Nuclear Reaction Mechanisms NUCLEAR REACTIONS 2H(238U, 239U), E=5 MeV/nucleon; calculated fragment energy, angular distributions following projectile fission. Stopping method.
1996EG02 Bull.Rus.Acad.Sci.Phys. 60, 772 (1996) I.M.Egorova, D.O.Eremenko, F.Malaguti, S.Yu.Platonov, O.V.Fotina, O.A.Yuminov Slowing-Down Method for Investigating the Near-Barrier Fission of Heavy Nuclei NUCLEAR STRUCTURE 239U; calculated fission fragments energy spectra, product yields time dependence, different decay channels durations. 266Sg; calculated induced fission duration energy dependence. Slowing down method. NUCLEAR REACTIONS 32S(238U, α), E=5.5 MeV/nucleon; calculated residual nucleus fission fragment spectra. 90Zr(180W, α), E=5.5 MeV/nucleon; calculated α-spectra. Slowing down method. RADIOACTIVITY 266Cn(α) [from 90Zr(180W, α), E=5.5 MeV/nucleon]; calculated α-spectra. Slowing down method.
1995YU05 Nucl.Instrum.Methods Phys.Res. B95, 543 (1995) O.A.Yuminov, S.Yu.Platonov, D.O.Eremenko, N.V.Eremin, I.M.Egorova, V.O.Kordyukevich, O.V.Fotina, F.Malaguti, A.D'Arrigo, G.Giardina, A.Taccone, G.Vannini, A.Moroni, R.A.Ricci, L.Vannucci A Novel Experimental Technique of Nuclear Lifetime Measurements NUCLEAR REACTIONS 7Li(16O, α), (16O, t), E=120 MeV; measured α-spectra. 19F, 20Ne levels deduced T1/2, Γα/Γ. Layered target technique, comparison with other methods.
doi: 10.1016/0168-583X(94)00602-4
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