NSR Query Results
Output year order : Descending NSR database version of April 27, 2024. Search: Author = S.P.Kamerdzhiev Found 48 matches. 2022KA54 Phys.Atomic Nuclei 85, 425 (2022) Characteristics of Pygmy and Giant Resonances within a Microscopic Model for Taking into Account Complex Configurations: Formalism
doi: 10.1134/S1063778822050052
2022SH13 Phys.Atomic Nuclei 85, 42 (2022) M.I.Shitov, D.A.Voitenkov, S.P.Kamerdzhiev, S.V.Tolokonnikov Self-Consistent Calculations of Probabilities for Transitions between 3-1 and 2+1 One-Phonon States in Tin Isotopes NUCLEAR STRUCTURE 118,120,122,124Sn; calculated probabilities for transitions between low-lying one-phonon states in nuclei where there is pairing, B(E1). Self-consistent approach based on the DF3-a Fayans energy density functional.
doi: 10.1134/S1063778822010124
2021KA49 Phys.Atomic Nuclei 84, 649 (2021) Microscopic Model to Take into Account Complex Configurations for Pygmy and Giant Resonances
doi: 10.1134/S1063778821050082
2020KA57 Eur.Phys.J. A 56, 265 (2020) Microscopic theory of pygmy- and giant resonances: accounting for complex 1p1h(X)phonon configurations
doi: 10.1140/epja/s10050-020-00224-7
2018KA45 JETP Lett. 108, 155 (2018) S.P.Kamerdzhiev, D.A.Voitenkov, E.E.Saperstein, S.V.Tolokonnikov Self-Consistent Calculations of the Quadrupole Moments of the Lowest 3- States in Sn and Pb Isotopes NUCLEAR STRUCTURE 100,102,104,106,108,110,112,114,116,118,120,122,124,126,128,130,132Sn, 190,192,194,196,198,200,202,204,206,208,210,212Pb; calculated energies and B(E3). Comparison with available data.
doi: 10.1134/S0021364018150079
2017KA54 JETP Lett. 106, 139 (2017) S.P.Kamerdzhiev, D.A.Voitenkov, E.E.Saperstein, S.V.Tolokonnikov, M.I.Shitov Self-consistent description of EL transitions between one-phonon states in magic nuclei NUCLEAR STRUCTURE 132Sn, 208Pb; calculated energy levels, J, π, B(E2) using quantum theory of many-body systems.
doi: 10.1134/S0021364017150085
2016AC03 JETP Lett. 104, 374 (2016) O.I.Achakovskiy, S.P.Kamerdzhiev, V.I.Tselyaev Radiative strength function and the pygmy dipole resonance in 208Pb and 70Ni NUCLEAR REACTIONS 208Pb, 70Ni(γ, X), (3He, 3He'), E<10 MeV; analyzed available data; 208Pb, 70Ni. deduced the pygmy-resonance parameters and the E1 strength function.
doi: 10.1134/S0021364016180053
2016KA64 Phys.Atomic Nuclei 79, 567 (2016) S.P.Kamerdzhiev, O.I.Achakovskiy, A.V.Avdeenkov, S.Goriely On microscopic theory of radiative nuclear reaction characteristics NUCLEAR REACTIONS 72Ni(γ, x), E=5-14 MeV; calculated photoabsorption σ. 115,119Sn(n, γ)(n, γ), E=0.007-10 MeV;121Sn, 208Pb(n, γ), E=0.001-10 MeV; calculated σ. 67Ni, 117,119Sn(n, γ), E≈50, 560 keV; calculated γ multiplicity, σ(Εγ). Different approaches and data and some results taken from publications. NUCLEAR STRUCTURE 58,68,72Ni; calculated pygmy dipole resonance energy, fraction of EWSR. 132Sn, 208Pb; calculated E1 photon strength function. 58,60,62,68,72Ni;110,112,116,118,120,122,124,132,136Sn, 208Pb; calculated γ radiative width Γγ for s-wave neutrons. Different approaches and data and some results taken from publications.
doi: 10.1134/S106377881604013X
2014AC01 Eur.Phys.J. A 50, 6 (2014) O.I.Achakovskiy, S.P.Kamerdzhiev, E.E.Saperstein, S.V.Tolokonnikov Magnetic moments of odd-odd spherical nuclei NUCLEAR STRUCTURE 14,15,16N, 15,17O, 16,17,18,19F, 38,39,40K, 39,41Ca, 40,42Sc, 40,41,42Sc, 54,55,56,57,58,59,60,61Co, 55,56,57,58,59,61Ni, 56,57,58Cu, 87Kr, 89,91Zr, 89Y, 87,90,91Nb, 91,93Mo, 93,94Tc, 95Ru, 105,107,109,111,131,132In, 107,111,113,115,123,125,127,132,133Sn, 113,115,117,123,125,126,127,128,129,132,133,134Sb, 135,137Xe, 136,137,138Cs, 137,139Ba, 138,139,140La, 139,141Ce, 143Nd, 141,142Pr, 143,145,147Sm, 144,145,146Eu, 147Gd, 191,193,195,197,199,201,203,205,206,208Tl, 193,195,197,199,201,203,205,207,209,211Pb, 201,202,203,204,205,206,207,208,209,210,211,212Bi, 211Rn, 213Ra, 212,213Fr; calculated ground state and excited state μ. Compared with other calculations and available data. 58Co, 106,110In, 124Sb, 194,196,198,200,202,204Tl; calculated ground state μ obtained by mixing of two configurations. Compared to data. 55,56,57,59,60Co, 57,61Ni; calculated μ. Compared with published shell model calculations. Self-consistent TFFS (Theory of Finite Fermi Systems).
doi: 10.1140/epja/i2014-14006-1
2014SA54 Phys.Atomic Nuclei 77, 1033 (2014) E.E.Saperstein, O.I.Achakovskiy, S.P.Kamerdzhiev, S.Krewald, J.Speth, S.V.Tolokonnikov Phonon coupling effects in magnetic moments of magic and semimagic nuclei NUCLEAR STRUCTURE 188,190,192,194,196,198,200,202,204,206,207,208,209Pb, 187,189,191,193,195,197,199,201,203,205,207Tl, 209Bi, 100,102,104,106,108,110,112,114,116,118,120,122,124,126,128,130,132,134Sn, 105,107,109,111,113,115,117,119,121,123,125,127In, 115,117,119,121,123,125,127,129,131,133Sb; calculated energy levels, J, π, magnetic moments, B(E2). Comparison with experimental data.
doi: 10.1134/S1063778814080122
2010AV04 Phys.Atomic Nuclei 73, 1119 (2010) A.V.Avdeenkov, S.Goriely, S.P.Kamerdzhiev Impact of the phonon coupling on the radiative neutron capture NUCLEAR REACTIONS 123,149Sn(n, γ), E<10 MeV; 124,150Sn(γ, X), E<28 MeV; calculated σ; deduced phonon contribution to pigmy-dipole resonance and radiative neutron capture σ. Extended theory of Finite fermi Systems (ETFFS).
doi: 10.1134/S1063778810070057
2009AV04 Phys.Atomic Nuclei 72, 1332 (2009); Yad.Fiz. 72, 1385 (2009) A.V.Avdeenkov, S.P.Kamerdzhiev Pygmy dipole resonance in nuclei NUCLEAR REACTIONS 124Sn(α, αγ), E = 0-30 MeV; calculated photoabsorption σ, isoscalar and isovector strength functions, energies and B(E1) for pygmy and dipole resonances.
doi: 10.1134/S1063778809080080
2006KA17 Phys.Atomic Nuclei 69, 418 (2006); Yad.Fiz. 69, 442 (2006) Photonuclear Data and Modern Physics of Giant Resonances NUCLEAR STRUCTURE 40,44,48Ca, 50Ti, 52Cr, 54Fe, 90Zr, 104,120,132Sn, 140Ce, 206,208Pb; calculated resonance properties, strength distributions, photoabsorption σ.
doi: 10.1134/S1063778806030057
2006KA34 Phys.Atomic Nuclei 69, 1110 (2006) Extended Theory of Finite Fermi Systems for Magic and Nonmagic Nuclei NUCLEAR REACTIONS 208Pb(e, e'), E=50 MeV; 208Pb(p, p'), E=200 MeV; analyzed particle spectra, isoscalar E2 strength function. 40Ca(α, α'), E=240 MeV; calculated Eα, σ(θ=1.08°). Extended theory of finite Fermi systems, comparisons with data. NUCLEAR STRUCTURE 40,44,48Ca, 104,120,132Sn; calculated pygmy resonance energies. RPA, extended theory of finite Fermi systems, comparisons with data.
doi: 10.1134/S1063778806070039
2004KA06 Yad.Fiz. 67, 180 (2004); Phys.Atomic Nuclei 67, 183 (2004); Erratum Yad.Fiz. 67, 1632 (2004); Phys.Atomic Nuclei 67, 1610 (2004) S.P.Kamerdzhiev, E.V.Litvinova Green's Function Method in the Problem of Complex Configurations in Fermi Systems with pairing NUCLEAR STRUCTURE 104,120,132Sn; calculated dipole photoabsorption σ, isovector dipole resonance energies, widths; deduced pairing contributions. Green's function method.
doi: 10.1134/1.1644022
2003LI11 Yad.Fiz. 66, 584 (2003); Phys.Atomic Nuclei 66, 558 (2003) E.V.Litvinova, S.P.Kamerdzhiev, V.I.Tselyaev Temperature Generalization of the Quasiparticle Random-Phase Approximation with Allowance for a Continuum NUCLEAR STRUCTURE 104,120Sn; calculated dipole photoabsorption σ vs excitation energy, resonance features. Continuum quasiparticle RPA.
doi: 10.1134/1.1563722
2002KA57 Phys.Rev. C66, 044304 (2002) Excitations of the unstable nuclei 48Ni and 49Ni NUCLEAR STRUCTURE 48,49Ni, 48Ca, 49Sc; calculated strength functions, resonance features. Continuum RPA and odd RPA.
doi: 10.1103/PhysRevC.66.044304
2001KA06 Phys.Rev. C63, 034304 (2001) S.P.Kamerdzhiev, R.J.Liotta, V.I.Tselyaev Random Phase Approximation for Odd Nuclei and Its Application to the Description of the Electric Dipole Modes in 17O NUCLEAR STRUCTURE 16,17O; calculated E1 resonance photoabsorption σ. Generalization of RPA for odd nuclei.
doi: 10.1103/PhysRevC.63.034304
2001KA33 Yad.Fiz. 64, No 4, 686 (2001); Phys.Atomic Nuclei 64, 627 (2001) S.P.Kamerdzhiev, E.V.Litvinova Some Problems in the Generalized Theory of Finite Fermi Systems
doi: 10.1134/1.1368221
1999AV02 Yad.Fiz. 62, No 4, 610 (1999); Phys.Atomic Nuclei 62, 563 (1999) A.V.Avdeenkov, S.P.Kamerdzhiev Description of Excitations in Odd Nonmagic Nuclei by Green's Function Method NUCLEAR STRUCTURE 119,121Sn; calculated single-particle strength distributions, neutron states spectrocopic factors. Single-particle Green's function method.
1999AV03 Pisma Zh.Eksp.Teor.Fiz. 69, 669 (1999); JETP Lett. 69, 715 (1999) A.V.Avdeenkov, S.P.Kamerdzhiev On the Mechanisms of Superfluidity in Atomic Nuclei
doi: 10.1134/1.568080
1999AV05 Phys.Lett. 459B, 423 (1999) A.V.Avdeenkov, S.P.Kamerdzhiev The Role of Ground State Correlations in the Single-Particle Strength of Odd Nuclei with Pairing NUCLEAR STRUCTURE 119,121Sn; calculated single-particle levels, spectroscopic factors; deduced role of ground-state correlations, quasiparticle-phonon interactions. Comparisons with data.
doi: 10.1016/S0370-2693(99)00719-4
1998TS15 Bull.Rus.Acad.Sci.Phys. 62, 880 (1998) V.I.Tselyaev, S.P.Kamerdzhiev, R.Liotta, E.V.Litvinova Calculation of E1 Resonance by the ' QRPA + Continuum ' Model NUCLEAR STRUCTURE 104,120Sn; calculated isovector E1 resonance strength distribution; deduced role of single-particle continuum. QRPA plus continuum model.
1997AV07 Bull.Rus.Acad.Sci.Phys. 61, 1656 (1997) A.V.Avdeenkov, S.P.Kamerdzhiev Effect of Quasiparticle-Phonon Interaction on Single-Particle Filling Numbers for Nonmagic Nuclei NUCLEAR STRUCTURE 86Kr, 120Sn, 208Pb; calculated single-particle occupancies; deduced quasiparticle-phonon interaction contribution. Green's function method.
1997KA20 Yad.Fiz. 60, No 3, 572 (1997); Phys.Atomic Nuclei 60, 497 (1997) Equations for Single-Particle Green's Functions in Nonmagic Nuclei
1997KA50 Bull.Rus.Acad.Sci.Phys. 61, 122 (1997) Microscopic Theory of Giant Resonances (A Review) NUCLEAR STRUCTURE 40,48Ca, 208Pb, 100,132Sn, 56,78Ni, 16O; compiled, reviewed giant multipole resonance calculations; deduced models improvement related features.
1997KA80 Fiz.Elem.Chastits At.Yadra 28, 333 (1997); Phys.Part.Nucl. 28, 134 (1997) S.P.Kamerdzhiev, G.Ya.Tertychnyi, V.I.Tselyaev The Method of Time-Ordered Graph Decoupling and Its Application to the Description of Giant Resonances in Magic Nuclei NUCLEAR STRUCTURE 40,48Ca, 56Ni, 208Pb; calculated giant resonance E, Γ, photoabsorption σ. Time-ordered graph decoupling method.
1996AV07 Bull.Rus.Acad.Sci.Phys. 60, 1716 (1996) A.V.Avdeenkov, S.P.Kamerdzhiev On Application of the Optical Potential Theory to Calculation of Nucleon-Nucleus Cross Sections NUCLEAR REACTIONS 120Sn, 208Pb(n, γ)E=0-4 MeV; calculated optical potentials, s-wave absorption σ. Green function potential, particle+phonon states.
1996KA53 Bull.Rus.Acad.Sci.Phys. 60, 702 (1996) S.P.Kamerdzhiev, E.V.Litvinova Simple Model of Dynamic Correlation Effects in a Nuclear Ground State NUCLEAR STRUCTURE 40Ca, 16O; calculated levels, B(λ). Microscopic two-level model, ground state correlation effects.
1991KA26 Phys.Lett. 267B, 12 (1991) S.P.Kamerdzhiev, G.Ya.Tertychnyi, V.I.Tselyaev Calculations of E1 Resonances in 40Ca, 48Ca and 208Pb Including 1p1h(x) Phonon Configurations NUCLEAR STRUCTURE 40,48Ca, 208Pb; calculated E1 resonances, Γ, sum rule strength. Microscopic model, (1px1h)+phonon configuration. NUCLEAR REACTIONS 40,48Ca(γ, X), E=8-32 MeV; 208Pb(γ, X), E ≈ 6-20 MeV; calculated absorption σ(E). Microscopic model, (1px1h)+phonon configuration.
doi: 10.1016/0370-2693(91)90515-R
1991KA30 Pisma Zh.Eksp.Teor.Fiz. 53, 393 (1991); JETP Lett.(USSR) 53, 412 (1991) S.P.Kamerdzhiev, G.Ya.Tertychnyi Calculations of the E1 Resonance in 48Ca in the 1P1H + 2P2H + Continuum Approximation NUCLEAR REACTIONS 48Ca(γ, X), E ≈ 12-26 MeV; calculated double photoabsorption σ(E). 48Ca deduced E1 resonance, Γ. Finite Fermi system theory, RPA.
1991KA42 Izv.Akad.Nauk SSSR, Ser.Fiz. 55, 49 (1991); Bull.Acad.Sci.USSR, Phys.Ser. 55, No.1, 45 (1991) Effects from Ground-State 2p2h Correlation on the M1 Resonance in 208Pb NUCLEAR STRUCTURE 208Pb; calculated B(λ), isovector M1 resonance spreading width; deduced 2p-2h ground state correlation role. Microscopic model, 1p-1h coupling to phonon included.
1989KA28 Z.Phys. A334, 19 (1989) A Microscopic Model Taking into Account 2p2h Configurations in Magic Nuclei. Calculations of M1 Excitations NUCLEAR STRUCTURE 16O, 40,42,44,48Ca, 54Fe, 90Zr, 208Pb; calculated B(λ). Green's function formalism, 2p-2h configurations, microscopic model.
1988KA36 Izv.Akad.Nauk SSSR, Ser.Fiz. 52, 874 (1988); Bull.Acad.Sci.USSR, Phys.Ser. 52, No.5, 38 (1988) Calculating M1 Excitations in 42Ca, 44Ca, and 54Fe Incorporating 1p1h (x) Phonon Configurations NUCLEAR STRUCTURE 42,44Ca, 54Fe; calculated levels, B(λ). Phonon coupled to 1p-1h.
1986KA29 Yad.Fiz. 43, 1426 (1986) Analysis of the Microscopic Model of taking 2p2h Configurations into Account NUCLEAR STRUCTURE 48Ca, 90Zr, 208Pb; calculated levels, B(M1). Microscopic model.
1986KA48 Yad.Fiz. 44, 606 (1986) Single-Particle Characteristics in Problem taking Account of Complex Configurations NUCLEAR STRUCTURE 208Pb; calculated neutron energy levels. Single particle motion, quasiparticle-phonon interaction.
1985TK01 Yad.Fiz. 42, 832 (1985) The ' 1p1h + Phonon ' Configuration Effect on M1 Excitations in Magic Nuclei NUCLEAR STRUCTURE 40,48Ca, 208Pb, 90Zr; calculated levels, B(λ). Microscopic model.
1984KA08 Izv.Akad.Nauk SSSR, Ser.Fiz. 48, 97 (1984); Bull.Acad.Sci.USSR, Phys.Ser. 48, No.1, 95 (1984) Calculation of M1-Resonance Characteristics in 208Pb and Estimate of 1p1h + 31--Phonon Configurations NUCLEAR STRUCTURE 208Pb; calculated B(M1) distribution. Finite Fermi system, diagrammatic approach.
1984KA18 Phys.Lett. 142B, 225 (1984) M1 Resonance Calculations in Magic Nuclei taking into Account 1p1h + Phonon Configurations NUCLEAR STRUCTURE 40,48Ca, 208Pb, 90Zr; calculated M1 resonance characteristics, strength distribution, B(M1). Microscopic model, Green's function technique.
doi: 10.1016/0370-2693(84)91186-9
1984KA39 Pisma Zh.Eksp.Teor.Fiz. 40, 31 (1984); JETP Lett.(USSR) 40, 756 (1984) Calculated Properties of M1 Excitations in 40Ca and 48Ca NUCLEAR STRUCTURE 40,48Ca; calculated levels, B(M1) strength distribution. Microscopic model.
1977KA20 Acta Phys.Pol. B8, 415 (1977) S.P.Kamerdzhiev, I.N.Borzov, V.N.Tkachev M1 Resonance and Comparative Study of E1, E2 and M1 Resonances in Near-Threshold Region NUCLEAR STRUCTURE 88Sr, 90Zr, 114,116,120,124,126Sn, 140Ce, 202,204,208Pb; calculated M1 resonance characteristics. NUCLEAR REACTIONS 90Zr, 208Pb, 120Sn(γ, γ); calculated E1, E2, M1 resonance contributions to absorption σ.
1976TK01 Yad.Fiz. 24, 715 (1976); Sov.J.Nucl.Phys. 24, 373 (1976) V.N.Tkachev, I.N.Borzov, S.P.Kamerdzhiev M1 Transitions in Spherical Nuclei NUCLEAR STRUCTURE 88Sr, 90Zr, 140Ce, 114,116,120,124,126Sn, 140Ce, 202,204,208Pb; calculated M1 resonances, γ absorption σ, B(λ). 207,209Pb, 209Bi, 207Tl; calculated μ, B(M1).
1975BO10 Yad.Fiz. 21, 31 (1975); Sov.J.Nucl.Phys. 21, 15 (1975) Electric Quadrupole Transitions in 88Sr and 90Zr NUCLEAR STRUCTURE 88Sr, 90Zr; calculated levels, B(E2).
1973KA36 Phys.Lett. 47B, 147 (1973) Electric Quadrupole Transitions in 120Sn and 208Pb NUCLEAR STRUCTURE 120Sn, 208Pb; calculated levels, B(E2).
doi: 10.1016/0370-2693(73)90592-3
1972KA32 Yad.Fiz. 15, 676 (1972); Sov.J.Nucl.Phys. 15, 379 (1972) E1 and E2 Transitions in Medium and Heavy Spherical Nuclei NUCLEAR STRUCTURE 112,120,124Sn, 208Pb; calculated levels, B(E2); analyzed giant resonance structure.
1971KA37 Yad.Fiz. 13, 1335 (1971); Sov.J.Nucl.Phys. 13, 767 (1971) Low-Lying 2+ Levels of Pb208 NUCLEAR STRUCTURE 208Pb; calculated low-lying levels, B(E2).
1969KA30 Yadern.Fiz. 9, 324 (1969); Soviet J.Nucl.Phys. 9, 190 (1969) Collective Oscillations of Nuclei in the Theory of Finite Fermi Systems NUCLEAR STRUCTURE 124Sn, 204Pb; calculated effective monopole, quadrupole charges.
1967KA21 Yadern.Fiz. 5, 971 (1967); Soviet J.Nucl.Phys. 5, 693 (1967) E2 transition and Effective Quadrupole Charge in Odd Near-Magic Nuclei
Back to query form |