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NSR database version of April 11, 2024.

Search: Author = C.Stoyanov

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2020DZ01      Phys.Rev. C 101, 025805 (2020)

AlanA.Dzhioev, K.Langanke, G.Martinez-Pinedo, A.I.Vdovin, Ch.Stoyanov

Unblocking of stellar electron capture for neutron-rich N=50 nuclei at finite temperature

NUCLEAR STRUCTURE 78Ni, 82Ge, 86Kr, 88Sr; calculated electron-capture rates on neutron-rich nuclei at conditions of temperatures and densities relevant for collapse supernovae, GT+ strengths, neutron and proton single-particle energies, relative contribution of first forbidden transitions to the electron-capture rates. Thermal quasiparticle random-phase approximation (TQRPA) formalism.

doi: 10.1103/PhysRevC.101.025805
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2019DZ02      Phys.Rev. C 100, 025801 (2019)

A.A.Dzhioev, A.I.Vdovin, Ch.Stoyanov

Thermal quasiparticle random-phase approximation calculations of stellar electron capture rates with the Skyrme effective interaction

NUCLEAR REACTIONS 56Fe, 78Ni(e, X), E=5-40 MeV; calculated electron capture (EC) rates and σ(E) on nuclei in hot stellar environments, GT strengths vs transition energy, and σ(E) vs temperature. Calculations based on the Donnelly-Walecka multipole expansion method, with the spectral functions calculated using the self-consistent thermal quasiparticle random-phase approximation (TQRPA) with the Skyrme effective interaction: SkM*, SGII, and SLy4. Comparison with shell-model calculations.

doi: 10.1103/PhysRevC.100.025801
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2019TH01      Phys.Rev. C 99, 011304 (2019)

M.Thurauf, Ch.Stoyanov, M.Scheck, M.Jentschel, C.Bernards, A.Blanc, N.Cooper, G.De France, E.T.Gregor, C.Henrich, S.F.Hicks, J.Jolie, O.Kaleja, U.Koster, T.Kroll, R.Leguillon, P.Mutti, D.O'Donnell, C.M.Petrache, G.S.Simpson, J.F.Smith, T.Soldner, M.Tezgel, W.Urban, J.Vanhoy, M.Werner, V.Werner, K.O.Zell, T.Zerrouki

Low-lying octupole isovector excitation in 144Nd

NUCLEAR REACTIONS 143Nd(n, γ), E=cold; measured Eγ, Iγ, γγ-coin, γγ(θ), half-lives of 3- states by Doppler-shift technique (GRID) using EXILL array for γ detection at the Institut Laue-Langevin, Grenoble. 144Nd; deduced low-lying 3- levels, multipolarities, mixing ratios, B(M1), B(E2), B(E3). Comparison with quasiparticle phonon model (QPM) calculations.

doi: 10.1103/PhysRevC.99.011304
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2017ST09      Phys.Lett. B 770, 77 (2017)

R.Stegmann, C.Stahl, G.Rainovski, N.Pietralla, C.Stoyanov, M.P.Carpenter, R.V.F.Janssens, M.Lettmann, T.Moller, O.Moller, V.Werner, S.Zhu

Identification of the one-quadrupole phonon 2+1, ms state of 204Hg

NUCLEAR REACTIONS 12C, 27Al(204Hg, 204Hg'), E=890 MeV; measured reaction products, Eγ, Iγ. 204Hg; deduced energy levels, J, π, B(E2), level T1/2. DSAM, Coulomb excitation. Comparison with Quasi-particle Phonon Model (QPM) calculations.

doi: 10.1016/j.physletb.2017.04.032
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2016DZ02      Phys.Rev. C 94, 015805 (2016)

A.A.Dzhioev, A.I.Vdovin, G.Martinez-Pinedo, J.Wambach, Ch.Stoyanov

Thermal quasiparticle random-phase approximation with Skyrme interactions and supernova neutral-current neutrino-nucleus reactions

NUCLEAR REACTIONS 56Fe, 82Ge(ν, ν'), E<20 MeV; calculated inelastic neutral-current neutrino scattering σ(E) at supernova conditions, normalized spectra of outgoing neutrinos, normalized spectra of neutrino-antineutrino pairs, energy centroid for the spectrum of emitted neutrinos as a function of temperature. 56Fe, 82Ge; calculated ground-state and total GT0 strength distributions, energy centroid for the upward GT0 strength functions as function of temperature. Thermal quasiparticle random-phase approximation combined with the Skyrme energy density functional method (Skyrme-TQRPA). Comparison with results from hybrid approach of shell-model and RPA calculations.

doi: 10.1103/PhysRevC.94.015805
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2014AU01      Phys.Rev. C 89, 014335 (2014)

N.Auerbach, Ch.Stoyanov, M.R.Anders, S.Shlomo

Isoscalar and isovector dipole strength distributions in nuclei and the Schiff moment

NUCLEAR STRUCTURE 40,48Ca, 56,78Ni, 90,104Zr, 144Sm, 208Pb; calculated strength distribution S(E), S(E)/E, centroid energies, inverse energy moments of isoscalar and isovector dipole resonances (ISD and IVD). Influence dipole strength distribution on nuclear Schiff moment. Self-consistent HF-based RPA calculations using 18 different Skyrme-type effective interactions.

doi: 10.1103/PhysRevC.89.014335
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2014NA15      Phys.Lett. B 728, 303 (2014)

F.Naqvi, V.Werner, P.Petkov, T.Ahn, N.Cooper, G.Ilie, D.Radeck, C.Bernards, M.P.Carpenter, C.J.Chiara, R.V.F.Janssens, F.G.Kondev, T.Lauritsen, D.Seweryniak, Ch.Stoyanov, S.Zhu

Test of the π g7/2 subshell closure at Z = 58

NUCLEAR REACTIONS 24Mg(138Ce, 138Ce'), E=480 MeV; 24Mg(142Ce, 142Ce'), E=494 MeV; measured reaction products, Eγ, Iγ, particle-γ coin. 138,142Ce; deduced g-factors, B(E2) values. Yale plunger device and Gammasphere array.

doi: 10.1016/j.physletb.2013.11.057
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2013BA38      Phys.Rev. C 88, 021302 (2013)

C.Bauer, G.Rainovski, N.Pietralla, D.Bianco, A.Blazhev, T.Bloch, S.Bonig, A.Damyanova, M.Danchev, K.A.Gladnishki, T.Kroll, J.Leske, N.Lo Iudice, T.Moller, K.Moschner, J.Pakarinen, P.Reiter, M.Scheck, M.Seidlitz, B.Siebeck, C.Stahl, R.Stegmann, T.Stora, Ch.Stoyanov, D.Tarpanov, M.J.Vermeulen, D.Voulot, N.Warr, F.Wenander, V.Werner, H.De Witte

Local suppression of collectivity in the N=80 isotones at the Z=58 subshell closure

NUCLEAR REACTIONS 48Ti, 64Zn(140Nd, 140Nd'), E=399 MeV; measured Eγ, Iγ, (particle)γ-coin, yields using RILIS source and Miniball array at REX-ISOLDE-CERN facility. 140Nd; deduced E2 and diagonal matrix elements, B(E2) and Q2 for first 2+ state from Coulomb excitation. 48Ti, 64Zn, 140Sm; measured Eγ for first 2+ states. Comparison with shell-model and QPM calculations. Systematics of B(E2) values for first 2+ states in even-even N=80, Z=50-60 nuclei.

doi: 10.1103/PhysRevC.88.021302
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2012ZH49      J.Phys.:Conf.Ser. 366, 012053 (2012)

P.Zhivkov, A.Polanski, C.Stoyanov, O.Yordanov, N.Gutev

Comparison of models of neutron and residue production in targets heavy elements irradiated by relativistic proton and deuteron beams

NUCLEAR REACTIONS 1H(238U, x), (208Pb, x), E=1 GeV/nucleon; calculated charge and mass distribution using INCL.4-ABLA, QGSM-SMM (Quark-Gluon String Model with Statistical Multifragmentation Model) and CEM. Compared with published data.

doi: 10.1088/1742-6596/366/1/012053
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2011LO23      Phys.Rev. C 84, 044314 (2011)

N.Lo Iudice, Ch.Stoyanov, D.Tarpanov

E2 transitions in Sn isotopes within the quasiparticle-phonon model

NUCLEAR STRUCTURE 102,104,106,108,110,112,114,116,118,120,122,124,126,128,130Sn; analyzed first 2+ excitation energies, B(E2) values, configurations. Quasiparticle-phonon model, quadrupole pairing with bare effective charges. Comparison with experimental data.

doi: 10.1103/PhysRevC.84.044314
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2010TA32      J.Phys.:Conf.Ser. 205, 012029 (2010)

D.Tarpanov, Ch.Stoyanov, N.Lo Iudice, N.Van Giai, V.Voronov

Structure of the low-lying states in some N=80 isotones

NUCLEAR STRUCTURE 136Ba, 138Ce; calculated B(E2), B(M1), fragmentation of gigantic resonance using QPM with separable interaction from Skyrme force. Compared with data.

doi: 10.1088/1742-6596/205/1/012029
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2010YO11      J.Phys.:Conf.Ser. 205, 012052 (2010)

O.Yordanov, S.Batzev, L.Kostov, C.H.Stoyanov, P.Zhivkov, J.Adam, V.D.Kovalenko, M.I.Krivopustov, A.A.Solnyshkin, V.M.Tsoupko-Sitnikov, K.Katovsky, M.Majerle

Isotope production rates in a thick lead target in the reaction d+Pb at 2, 52 GeV

NUCLEAR REACTIONS Pb(d, X), E=2.52 GeV; measured reaction products; deduced Tl, Pb, Bi isotope yields, production rates.

doi: 10.1088/1742-6596/205/1/012052
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2009KR01      J.Radioanal.Nucl.Chem. 279, 567 (2009)

M.I.Krivopustov, A.V.Pavliouk, A.D.Kovalenko, I.I.Mariin, A.F.Elishev, J.Adam, A.Kovalik, Yu.A.Batusov, V.G.Kalinnikov, V.B.Brudanin, P.Chaloun, V.M.Tsoupko-Sitnikov, A.A.Solnyshkin, V.I.Stegailov, Sh.Gerbish, O.Svoboda, Z.Dubnicka, M.Kala, M.Kloc, A.Krasa, A.Kugler, M.Majerle, V.Wagner, R.Brandt, W.Westmeier, H.Robotham, K.Siemon, M.Bielewicz, S.Kilim, M.Szuta, E.Strugalska-Gola, A.Wojeciechowski, S.R.Hashemi-Nezhad, M.Manolopoulou, M.Fragopolou, S.Stoulos, M.Zamani-Valasiadou, S.Jokic, K.Katovsky, O.Schastny, I.V.Zhuk, A.S.Potapenko, A.A.Safronova, Zh.A.Lukashevich, V.A.Voronko, V.V.Sotnikov, V.V.Sidorenko, W.Ensinger, H.D.Severin, S.Batsev, L.Kostov, Kh.Protokhristov, Ch.Stoyanov, O.Yordanov, P.K.Zhivkov, A.V.Kumar, M.Sharma, A.M.Khilmanovich, B.A.Marcinkevich, S.V.Korneev, Ts.Damdinsuren, Ts.Togoo, H.Kumawat

First results studying the transmutation of 129I, 237Np, 238Pu, and 239Pu in the irradiation of an extended natU/Pb-assembly with 2.52 GeV deuterons

doi: 10.1007/s10967-007-7265-1
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2009LO02      Phys.Rev. C 80, 024311 (2009)

N.Lo Iudice, Ch.Stoyanov, N.Pietralla

Splitting of the 2+ mixed symmetry mode in the proximity of the N = 82 shell closure

NUCLEAR STRUCTURE 138,142Ce, 144Nd; calculated 2+ mixed symmetry states, B(E2), B(M1), configurations using quasiparticle phonon model calculations. Comparison with experimental data.

doi: 10.1103/PhysRevC.80.024311
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2008LO05      Phys.Rev. C 77, 044310 (2008)

N.Lo Iudice, Ch.Stoyanov, D.Tarpanov

Fine structure of proton-neutron mixed symmetry states in some N = 80 isotones

NUCLEAR STRUCTURE 134Xe, 136Ba, 138Ce; calculated level energies, B(E2), J, π, configurations, B(M1). Quasiparticle-phonon model. Comparison with experimental data.

doi: 10.1103/PhysRevC.77.044310
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2008TA12      Phys.Rev. C 77, 054316 (2008)

D.Tarpanov, H.Liang, N.Van Giai, C.Stoyanov

Mean-field study of single-particle spectra evolution in Z = 14 and N = 28 chains

NUCLEAR STRUCTURE 34,36,38,40,42Si, 44S, 46Ar, 48Ca; calculated spin-orbit splitting, subshell closure, single-particle levels. Skyrme-Hartree-Fock and relativistic Hartree-Fock mean field models.

doi: 10.1103/PhysRevC.77.054316
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2007TA22      Phys.Atomic Nuclei 70, 1402 (2007)

D.Tarpanov, C.Stoyanov, N.Van Giai, V.V.Voronov

Low-Lying electric dipole transitions in tin isotopic chain within the RPA model

NUCLEAR STRUCTURE Sn; calculated B(E1) distributions using QRPA.

doi: 10.1134/S1063778807080133
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2006LO04      Phys.Rev. C 73, 037305 (2006)

N.Lo Iudice, Ch.Stoyanov

Microscopic study of collectivity and proton-neutron symmetry in 92Zr

NUCLEAR STRUCTURE 92Zr; calculated levels, J, π, configurations, B(E2), B(M1), g factors. Quasiparticle-phonon model, comparison with data.

doi: 10.1103/PhysRevC.73.037305
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2005SE27      Rom.J.Phys. 50, 391 (2005)

A.P.Severyukhin, V.V.Voronov, N.Van Giai, Ch.Stoyanov

Nuclear structure calculations with a separable approximation for Skyrme interactions

NUCLEAR STRUCTURE 36,38,40Ar, 112,114,124,126,128,130,132,134Sn, 206,208Pb; calculated 2+ level energies, transition probabilities. 208Pb; calculated octupole strength distribution. Skyrme interactions, finite rank separable approximation.

2004KA62      Phys.Rev. C 70, 064307 (2004)

L.Kaubler, H.Schnare, R.Schwengner, H.Prade, F.Donau, P.von Brentano, J.Eberth, J.Enders, A.Fitzler, C.Fransen, M.Grinberg, R.-D.Herzberg, H.Kaiser, P.von Neumann-Cosel, N.Pietralla, A.Richter, G.Rusev, Ch.Stoyanov, I.Wiedenhover

Dipole and quadrupole excitations in 88Sr up to 6.8 MeV

NUCLEAR REACTIONS 88Sr(γ, γ'), E=6.8 MeV bremsstrahlung; measured Eγ, Iγ. 88Sr deduced levels, J, π, configurations, B(E1), B(M1), B(E2). Comparison with model predictions.

doi: 10.1103/PhysRevC.70.064307
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetM0775. Data from this article have been entered in the XUNDL database. For more information, click here.

2004LO07      Phys.Rev. C 69, 044312 (2004)

N.Lo Iudice, Ch.Stoyanov

A microscopic study of the proton-neutron symmetry and phonon structure of the low-lying states in 92Zr

NUCLEAR STRUCTURE 92Zr; calculated levels, J, π, configurations, transitions B(E2), B(E1), B(M1); deduced proton-neutron symmetry breaking, multiphonon states, related features. Microscopic multiphonon approach, RPA.

doi: 10.1103/PhysRevC.69.044312
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2004SC39      Phys.Rev. C 70, 044319 (2004)

M.Scheck, H.von Garrel, N.Tsoneva, D.Belic, P.von Brentano, C.Fransen, A.Gade, J.Jolie, U.Kneissl, C.Kohstall, A.Linnemann, A.Nord, N.Pietralla, H.H.Pitz, F.Stedile, C.Stoyanov, V.Werner

Dipole strength distributions in the stable Ba isotopes 134-138Ba: A study in the mass region of a nuclear shape transition

NUCLEAR REACTIONS 135,137Ba(γ, γ'), E=2.5, 3.1, 4.1 MeV bremsstrahlung; measured Eγ, Iγ. 135,137Ba deduced level energies, widths, branching ratios, dipole strength distributions. Comparison with quasiparticle-phonon model predictions.

doi: 10.1103/PhysRevC.70.044319
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2004SE10      Yad.Fiz. 67, 1783 (2004); Phys.Atomic Nuclei 67, 1756 (2004)

A.P.Severyukhin, V.V.Voronov, Ch.Stoyanov, N.Van Giai

Low-Lying States and Separabelized Skyrme Interactions

NUCLEAR STRUCTURE 124Sn; calculated level energies, B(E2), B(E3). Finite-rank separable approximation, quasiparticle RPA.

doi: 10.1134/1.1806919
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2004ST19      Phys.Rev. C 70, 014302 (2004)

C.Stoyanov, V.Zelevinsky

High-lying single-particle modes, chaos, correlational entropy, and doubling phase transition

NUCLEAR STRUCTURE 209Pb; calculated single-particle strength distribution, invariant correlational entropy. Quasiparticle-phonon model.

doi: 10.1103/PhysRevC.70.014302
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2004ST22      Yad.Fiz. 67, 1672 (2004); Phys.Atomic Nuclei 67, 1645 (2004)

Ch.Stoyanov, N.Lo Iudice

Microscopic Description of Mixed-Symmetry States in Nearly Spherical Nuclei

NUCLEAR STRUCTURE 92Zr, 94Mo; calculated levels, J, π, configurations, B(E2), B(M1). Quasiparticle-phonon model, mixed-symmetry states.

doi: 10.1134/1.1802351
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2004TS02      Nucl.Phys. A731, 273 (2004)

N.Tsoneva, H.Lenske, Ch.Stoyanov

Pygmy Dipole Resonances as a Manifestation of the Structure of the Neutron-Rich Nuclei

NUCLEAR STRUCTURE 120,122,124,126,128,130Sn; calculated level energies, B(E1), B(E2), B(E3), pygmy dipole resonance features.

doi: 10.1016/j.nuclphysa.2003.11.038
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2004TS03      Phys.Lett. B 586, 213 (2004)

N.Tsoneva, H.Lenske, Ch.Stoyanov

Probing the nuclear neutron skin by low-energy dipole modes

NUCLEAR STRUCTURE 120,122,124,126,128,130,132Sn; calculated level energies, transitions B(Eλ), pygmy dipole resonance features; deduced dependence on neutron skin thickness.

doi: 10.1016/j.physletb.2004.02.024
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2003KV01      J.Phys.(London) G29, 753 (2003)

J.Kvasil, N.Lo Iudice, Ch.Stoyanov, P.Alexa

Compressional and toroidal dipole modes in nuclei

NUCLEAR STRUCTURE 90Zr, 116Sn, 144Sm, 208Pb; analyzed dipole strength distributions; deduced sensitivity to single-particle energies, possible toroidal contribution.

doi: 10.1088/0954-3899/29/4/312
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2003SE04      Yad.Fiz. 66, 1480 (2003); Phys.Atomic Nuclei 66, 1434 (2003)

A.P.Severyukhin, V.V.Voronov, Ch.Stoyanov, N.Van Giai

Separable Skyrme Interactions and Quasiparticle RPA

NUCLEAR STRUCTURE 32,34,36,38S; calculated transition energies, B(E2), B(E3). 36Ar, 112Sn, 208Pb; calculated GDR strength distributions. 208Pb; calculated octupole strength distribution. Quasiparticle RPA with Skyrme interactions, comparison with data.

doi: 10.1134/1.1601746
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2003SE10      Nucl.Phys. A722, 123c (2003)

A.P.Severyukhin, V.V.Voronov, Ch.Stoyanov, N.Van Giai

Nuclear structure calculations with a separable approximation for Skyrme interactions

NUCLEAR STRUCTURE 112Sn; calculated levels, J, π, B(E2), B(E3), two-phonon contributions. Quasiparticle RPA, comparison with data.

doi: 10.1016/S0375-9474(03)01347-2
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2003SE17      Bull.Rus.Acad.Sci.Phys. 67, 95 (2003)

A.P.Severyukhin, Ch.Stoyanov, V.V.Voronov, N.Van Giai

Quasiparticle random phase approximation and structure of low-lying states in nuclei of Ar isotopes

NUCLEAR STRUCTURE 36,38,40Ar; calculated level energies, excitation B(E2), B(E3). Quasiparticle RPA, comparison with data.

2002LO10      Phys.Rev. C65, 064304 (2002)

N.Lo Iudice, Ch.Stoyanov

Microscopic Structure of Low-Lying Positive Parity States in Nuclei Near Shell Closure

NUCLEAR STRUCTURE 94Mo, 112Cd, 136Ba; calculated level configurations, transitions B(E2), B(M1). Quasiparticle-phonon model, comparison with data and other models.

doi: 10.1103/PhysRevC.65.064304
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2002SE07      Phys.Rev. C66, 034304 (2002)

A.P.Severyukhin, Ch.Stoyanov, V.V.Voronov, V.G.Nguyen

Quasiparticle Random Phase Approximation with Finite Rank Approximation for Skyrme Interactions

NUCLEAR STRUCTURE 36Ar; calculated B(E1), B(E2), B(E3) strength distributions. 18,20O, 36,38,40Ar, 112,114Sn, 206,208Pb; calculated B(E2), B(E3) for transitions to first 2+, 3- states. Quasiparticle RPA, comparison with data.

doi: 10.1103/PhysRevC.66.034304
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2001BE69      Yad.Fiz. 64, No 11, 1987 (2001); Phys.Atomic Nuclei 64, 1901 (2001)

A.G.Belov, Yu.P.Gangrsky, L.M.Melnikova, V.Yu.Ponomarev, N.Tsoneva, Ch.Stoyanov, A.Tonchev, N.Balabanov

Excitation of Isomeric 1h11/2 States in Nuclear Reactions Induced by γ Rays and Neutrons and in Beta Decay

NUCLEAR REACTIONS 134Xe, 136Ba, 138Ce(n, γ), E ≈ 6.5-7.5 MeV; 136Xe, 138Ba, 140Ce, 142Nd, 144Sm(γ, n), E ≈ 3.5-6.1 MeV; measured activation yields, isomeric ratios. Comparison with model predictions.

RADIOACTIVITY 139Pr, 141Pm, 143Eu(β+); measured Eγ, Iγ. 139Ce, 141Nd, 143Sm; deduced probability for isomer population.

doi: 10.1134/1.1423740
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetM0629.

2001ST21      Yad.Fiz. 64, No 6, 1223 (2001); Phys.Atomic Nuclei 64, 1147 (2001)

Ch.Stoyanov, N.Lo Iudice, N.Tsoneva, M.Grinberg

Properties of the Low-Lying Excited States in Even-Even Nuclei Around the Closed Shell N = 82

NUCLEAR STRUCTURE 136Ba, 144Nd; calculated levels, J, π, B(E2), B(M1). Quasiparticle phonon model.

doi: 10.1134/1.1383632
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2000KA08      Eur.Phys.J. A 7, 15 (2000)

L.Kaubler, H.Schnare, R.Schwengner, P.von Brentano, F.Donau, J.Eberth, J.Enders, A.Fitzler, C.Fransen, M.Grinberg, E.Grosse, R.-D.Herzberg, H.Kaiser, P.von Neumann-Cosel, N.Pietralla, H.Prade, A.Richter, S.Skoda, Ch.Stoyanov, H.-G.Thomas, H.Tiesler, D.Weisshaar, I.Wiedenhover

Is the 4.742 MeV State in 88Sr the 1- Two-Phonon State ?

NUCLEAR REACTIONS 88Sr, 11B, 12,13C(γ, γ'), E=6.7 MeV bremsstrahlung; measured Eγ, Iγ, γ polarization. 88Sr deduced levels, J, π, B(λ), no two-phonon state.

doi: 10.1007/s100500050004
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2000LO18      Phys.Rev. C62, 047302 (2000)

N.Lo Iudice, Ch.Stoyanov

Microscopic Description of Newly Discovered Mixed Symmetry States

NUCLEAR STRUCTURE 94Mo; calculated levels, J, π, configurations, transitions B(E2), B(M1). Quasiparticle phonon model, mixed symmetry states.

doi: 10.1103/PhysRevC.62.047302
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2000ST05      Nucl.Phys. A669, 14 (2000)

E.A.Stefanova, T.Kutsarova, I.Deloncle, M.-G.Porquet, M.Grinberg, E.Gueorguieva, Ts.Venkova, A.Minkova, F.Azaiez, S.Bouneau, C.Bourgeois, J.Duprat, B.J.P.Gall, C.Gautherin, F.Hoellinger, R.Lucas, H.Sergolle, N.Schulz, A.Wilson, Ch.Stoyanov

High-Spin States of 3888Sr50: Breaking of the neutron core

NUCLEAR REACTIONS 176Yb(28Si, F)88Sr, E=145 MeV; measured Eγ, Iγ, γγ-coin following compound nucleus fission. 88Sr deduced high-spin levels, possible J, π, configurations. Eurogam2 array. Comparison with neighboring isotones, quasiparticle-phonon model calculations.

doi: 10.1016/S0375-9474(99)00566-7
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Data from this article have been entered in the XUNDL database. For more information, click here.

2000ST18      Nucl.Phys. A672, 141 (2000)

Ch.Stoyanov, V.V.Voronov, N.Van Giai

Proton Decay of High-Lying States in Odd Nuclei

NUCLEAR STRUCTURE 41Sc, 59Cu, 91Nb; calculated non-statistical excited-state proton decay partial cross sections, branching ratios. Quasiparticle-phonon model. Comparison with data from one-nucleon transfer reactions.

doi: 10.1016/S0375-9474(00)00051-8
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2000TS01      Phys.Rev. C61, 044303 (2000)

N.Tsoneva, Ch.Stoyanov, Yu.P.Gangrsky, V.Yu.Ponomarev, N.P.Balabanov, A.P.Tonchev

Population of Isomers in the Decay of the Giant Dipole Resonance

NUCLEAR REACTIONS 138Ba, 140Ce, 142Nd, 144Sm(γ, n), E=10-26 MeV bremsstrahlung; measured σ, isomeric ratios. Comparison with quasiparticle-phonon model calculations.

doi: 10.1103/PhysRevC.61.044303
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1999SC19      Nucl.Phys. A652, 339 (1999)

W.Schauer, C.Doll, T.von Egidy, R.Georgii, J.Ott, H.-F.Wirth, A.Gollwitzer, G.Graw, R.Hertenberger, B.Valnion, M.Grinberg, Ch.Stoyanov

Study of 122Te with Charged Particle Reactions

NUCLEAR REACTIONS 122Te(d, d'), E=26 MeV; 123Te(d, t), E=28 MeV; 123Te(3He, α), E=32 MeV; 121Sb(3He, d), E=32 MeV; measured particle spectra, σ(θ). 122Te deduced levels, J, π, intruder band. Interacting boson model and quasiparticle phonon model calculations.

doi: 10.1016/S0375-9474(98)00643-5
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1999ST13      Nucl.Phys. A649, 93c (1999)

Ch.Stoyanov, V.Yu.Ponomarev, N.Tsoneva, M.Grinberg

The Influence of the GDR on the Low-Energy E1 Transitions in Spherical Nuclei

NUCLEAR STRUCTURE 120Sn, 144Sm, 144Nd; calculated hindered transitions B(E1); deduced two-phonon, GDR components. Comparison with data.

doi: 10.1016/S0375-9474(99)00045-7
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1999ST32      Phys.Rev. C60, 064321 (1999)

Ch.Stoyanov, I.Rotter, N.Van Giai

Trapping Effect and High-Lying Single-Particle Modes

NUCLEAR STRUCTURE 209Pb; calculated neutron single-particle strength distributions; deduced continuum coupling effects. Quasiparticle-phonon model.

doi: 10.1103/PhysRevC.60.064321
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1998GR23      Fiz.Elem.Chastits At.Yadra 29, 1456 (1998); Phys.Part.Nucl. 29, 606 (1998)

M.Grinberg, Ch.Stoyanov, N.Tsoneva

Interplay of Collective and Noncollective Modes at Low Excitation Energy in Spherical Nuclei

NUCLEAR STRUCTURE 144Nd, 144,146Sm, 124Te; calculated levels, J, π; deduced configurations. 138Ba, 140Ce, 142,144Nd, 144,146Sm, 124Te; calculated B(λ). 144Nd, 146Sm, 124Te; calculated transitions δ. Quasiparticle phonon model.

1998NG01      Phys.Rev. C57, 1204 (1998)

V.G.Nguyen, Ch.Stoyanov, V.V.Voronov

Finite Rank Approximation for Random Phase Approximation Calculations with Skyrme Interactions: An application to Ar isotopes

NUCLEAR STRUCTURE Ar; calculated even A=32-52 isotopes dipole, quadrupole isovector, isoscalar strength distributions; deduced giant dipole resonance mass dependence. RPA, finite rank approximation, Skyrme interaction.

doi: 10.1103/PhysRevC.57.1204
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1998PO07      Nucl.Phys. A635, 470 (1998)

V.Yu.Ponomarev, Ch.Stoyanov, N.Tsoneva, M.Grinberg

Boson Forbidden Low-Energy E1-Transitions in Spherical Nuclei

NUCLEAR STRUCTURE 120Sn, 144Sm, 144Nd; calculated transitions B(E1); deduced core dipole polarization effects. Quasiparticle phonon model.

doi: 10.1016/S0375-9474(98)00187-0
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1998TS05      Yad.Fiz. 61, No 5, 816 (1998); Phys.Atomic Nuclei 61, 734 (1998)

N.Tsoneva, A.I.Vdovin, Ch.Stoyanov, M.Grinberg

Magnetic Polarization and Two-Phonon States

NUCLEAR STRUCTURE 142Ce, 144Sm; calculated two-phonon states wave functions, B(M2); deduced magnetic core polarization effect.

1997SC15      Nucl.Phys. A620, 277 (1997); Erratum Nucl.Phys. A624, 776 (1997)

R.Schwengner, G.Winter, W.Schauer, M.Grinberg, F.Becker, P.von Brentano, J.Eberth, J.Enders, T.von Egidy, R.-D.Herzberg, N.Huxel, L.Kaubler, P.von Neumann-Cosel, N.Nicolay, J.Ott, N.Pietralla, H.Prade, S.Raman, J.Reif, A.Richter, C.Schlegel, H.Schnare, T.Servene, S.Skoda, T.Steinhardt, C.Stoyanov, H.G.Thomas, I.Wiedenhover, A.Zilges

Two-Phonon J = 1 States in Even-Mass Te Isotopes with A = 122-130

NUCLEAR REACTIONS 126,122Te(γ, γ'), E=4.5 MeV bremsstrahlung; 130Te(γ, γ'), E=5.5 MeV bremsstrahlung; measured Eγ, Iγ(θ). 122,126,130Te deduced levels, J, Γ, B(λ). Enriched targets, Ge detectors.

doi: 10.1016/S0375-9474(97)00169-3
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1997SC25      Z.Phys. A358, 197 (1997)

R.Schwengner, W.Schauer, G.Winter, P.von Brentano, J.Eberth, J.Enders, J.Enders, T.von Egidy, M.Grinberg, R.-D.Herzberg, N.Huxel, L.Kaubler, P.von Neumann-Cosel, N.Nicolay, J.Ott, N.Pietralla, H.Prade, S.Raman, J.Reif, A.Richter, C.Schlegel, H.Schnare, T.Servene, S.Skoda, C.Stoyanov, H.G.Thomas, I.Wiedenhover, A.Zilges

Dipole Excitations in 122Te, 126Te and 130Te

NUCLEAR REACTIONS 122,126,130Te(γ, γ'), E=4.5-5.5 MeV bremsstrahlung; measured Eγ, Iγ. 122,126,130Te deduced levels, J, π, transition γ multipolarity, widths, one-, two-phonon vibrational structure. Quasiparticle-phonon model analysis.

doi: 10.1007/s002180050306
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1996NG01      Phys.Rev. C53, 730 (1996)

N.Van Giai, Ch.Stoyanov, V.V.Voronov, S.Fortier

Neutron Decay of High Angular Momentum States Excited in Transfer Reactions

NUCLEAR REACTIONS 90Zr, 208Pb(α, 3He), E=120 MeV; calculated residuals level excitation σ, neutron decay characteristics. Quasiparticle-phonon model.

doi: 10.1103/PhysRevC.53.730
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1996NG02      Nucl.Phys. A599, 271c (1996)

V.G.Nguyen, Ch.Stoyanov, V.V.Voronov

Particle Decay of High-Lying States in Odd Nuclei

NUCLEAR REACTIONS 90Zr, 208Pb(α, 3He), E not given; calculated final nuclei high angular momentum states production σ, neutron decay branching ratios.

doi: 10.1016/0375-9474(96)00069-3
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1995GE02      Phys.Lett. 351B, 82 (1995)

R.Georgii, P.von Neumann-Cosel, T.von Egidy, M.Grinberg, V.A.Khitrov, J.Ott, P.Prokofev, A.Richter, W.Schauer, C.Schlegel, R.Schulz, L.J.Simonova, Ch.Stoyanov, A.M.Sukhovoj, A.V.Voinov

Unusual Neutron-Capture Gamma-Ray Cascade in 124Te: A fingerprint of octupole-coupled multiphonon states

NUCLEAR REACTIONS 123Te(n, γ), E=thermal; measured γγ-coin, Eγ, Iγ. 124Te(γ, γ'), E=3.5 MeV bremsstrahlung; measured Eγ, Iγ. 124Te deduced levels, transitions, B(λ), configuration. Quasiparticle-phonon model.

doi: 10.1016/0370-2693(95)00400-F
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1995GE06      Nucl.Phys. A592, 307 (1995)

R.Georgii, T.von Egidy, J.Klora, H.Lindner, U.Mayerhofer, J.Ott, W.Schauer, P.von Neumann-Cosel, A.Richter, C.Schlegel, R.Schulz, V.A.Khitrov, A.M.Sukhovoj, A.V.Vojnov, J.Berzins, V.Bondarenko, P.Prokofjevs, L.J.Simonova, M.Grinberg, Ch.Stoyanov

Complete Level Scheme of 124Te up to 3 MeV

NUCLEAR REACTIONS 123Te(d, p), E=22 MeV; 125Te(d, t), E=22 MeV; 123Sb(3He, d), E=33 MeV; 124Te(p, p'), E=24 MeV; measured particle spectra. 123Te(n, γ), E=thermal; measured Eγ, Iγ, γγ-coin. 124Te(γ, γ'), E=3.5, 5 MeV; measured Eγ. 124Te deduced levels, γ-multipolarity, branching ratios, Γ0, Γ1, T1/2. Quasiparticle-phonon model calculation.

doi: 10.1016/0375-9474(95)00311-N
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1994GR12      Nucl.Phys. A573, 231 (1994)

M.Grinberg, Ch.Stoyanov

Distribution of Two-Phonon Strength in Even N = 82 Nuclei

NUCLEAR STRUCTURE 138Ba, 140Ce, 142Nd, 144Sm; calculated levels, B(λ). Quasiparticle phonon model.

doi: 10.1016/0375-9474(94)90169-4
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1993GR08      J.Phys.(London) G19, 1179 (1993)

M.Grinberg, T.K.Dinh, Ch.Protochristov, I.Penev, C.Stoyanov, W.Andrejtscheff

Level Structure and Transition Probabilities in 140Ce

RADIOACTIVITY 140La(β-); measured Eγ, Iγ, βγ-coin. 140Ce deduced levels, J, π, γ-multipolarity, B(λ), δ, T1/2, branching ratio. Quasiparticle-phonon model.

doi: 10.1088/0954-3899/19/8/008
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1992AD04      Z.Phys. A343, 381 (1992)

J.Adam, J.Dobes, B.Kracik, P.Navratil, P.Tlusty, S.Batsev, T.K.Dinh, M.Grinberg, O.Stoyanova, Ch.Stoyanov

Structure of the 146Sm States from the 146Eu Decay

RADIOACTIVITY 146Gd(β+), (EC); 146Eu(β+), (EC); measured Eγ, Iγ, γγ-coin; deduced log ft. 146Sm deduced levels, J, π, δ, γ-multipolarity. Interacting boson, quasiparticle phonon models.

NUCLEAR STRUCTURE 146Sm; calculated levels, B(λ), δ. Interacting boson, quasiparticle phonon models.

doi: 10.1007/BF01289814
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1992DI01      J.Phys.(London) G18, 329 (1992)

T.K.Dinh, M.Grinberg, C.Stoyanov

Interplay of Collective and Non-Collective Modes in Low-Lying Quadrupole States of 140Ba, 142Ce, 144Nd and 146Sm

NUCLEAR STRUCTURE 140Ba, 142Ce, 144Nd, 146Sm; calculated levels, B(λ), μ, quadrupole moment, δ. Quasiparticle-phonon model.

doi: 10.1088/0954-3899/18/2/014
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1991NG01      Phys.Lett. 272B, 178 (1991)

Nguyen Van Giai, Ch.Stoyanov

Non-Statistical Neutron Decay of High-Lying States in Odd Nuclei

NUCLEAR STRUCTURE 209Pb; calculated high lying level Γ(escape), non-statistical particle decay.

doi: 10.1016/0370-2693(91)91815-D
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1990NG05      Phys.Lett. 252B, 9 (1990)

V.G.Nguyen, Ch.Stoyanov

Nucleon Escape Widths of Giant Dipole and Quadrupole Resonances

NUCLEAR STRUCTURE 112Sn, 144Sm, 208Pb; calculated GDR, GQR nucleon decay escape widths. Quasiparticle RPA.

doi: 10.1016/0370-2693(90)91070-R
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1989AN14      Nucl.Phys. A505, 397 (1989)

W.Andrejtscheff, L.K.Kostov, P.Petkov, Y.Sy.Savane, Ch.Stoyanov, P.von Brentano, J.Eberth, R.Reinhardt, K.O.Zell

Electric Quadrupole Transition Strengths of the Type 61+ → 41+ in 106-112Sn

NUCLEAR REACTIONS 106,110,112Cd(3He, 3n), 106Cd(3He, 2p), E=29 MeV; 104Pd(12C, 2nα), E=63 MeV; measured Eγ, Iγ, γγ(t). 106,110,112Sn, 107Cd deduced levels T1/2, B(E2). Enriched target, liquid scintillators, Ge detectors. Generalized centroid-shift analysis, quasiparticle-phonon model calculations.

doi: 10.1016/0375-9474(89)90383-7
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1989NI03      Europhys.Lett. 8, 117 (1989)

R.Nikolaeva, Ch.Stoyanov, A.I.Vdovin

Microscopic Description of Low-Lying Isovector Quadrupole States in 56Fe

NUCLEAR STRUCTURE 56Fe; calculated levels, B(λ), δ(E2/M1). Quasiparticle model.

doi: 10.1209/0295-5075/8/2/002
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1988GA32      Phys.Rep. 166, 125 (1988)

S.Gales, Ch.Stoyanov, A.I.Vdovin

Damping of High-Lying Single-Particle Modes in Heavy Nuclei

doi: 10.1016/0370-1573(88)90066-X
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1987PO02      Phys.Lett. 183B, 237 (1987)

V.Yu.Ponomarev, V.G.Soloviev, A.I.Vdovin, Ch.Stoyanov

The Role of ' Quasiparticle x Phonon ' Components in Gamma-Decay of High-Lying States

NUCLEAR STRUCTURE 111Sn; calculated transition intensities, B(M1). Microscopic approach.

NUCLEAR REACTIONS 112Sn(3He, αγ), E=3-6 MeV; calculated (θα, θγ). Microscopic approach.

doi: 10.1016/0370-2693(87)90955-5
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1986AD06      Czech.J.Phys. B36, 1143 (1986)

J.Adam, J.Dobes, J.Fer, B.Kracik, A.Kugler, Zh.Zhelev, I.Penev, Ch.Stoyanov

Structure of the 145Sm States from the 145Eu Decay

RADIOACTIVITY 145Eu(EC), (β-); measured Eγ, Iγ; deduced log ft. 145Sm deduced levels, J, π, γ-branching, ICC, γ multipolarity. Anti-Compton spectrometer. Quasi-particle-phonon, interacting boson-fermion models.

doi: 10.1007/BF01959607
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1985VD01      Nucl.Phys. A440, 437 (1985)

A.I.Vdovin, Ch.Stoyanov, W.Andrejtscheff

Core Polarization for M2 Transitions in Odd-A Tin Isotopes

NUCLEAR STRUCTURE 109,111,113,115,117,119,121Sn; calculated B(M2). Quasiparticle-phonon model.

doi: 10.1016/0375-9474(85)90239-8
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1985VD02      Yad.Fiz. 41, 1134 (1985)

A.I.Vdovin, Ch.Stoyanov

Damping of Highly-Excited Single-Particle States in Odd-A Nuclei Near 90Zr

NUCLEAR STRUCTURE 89Y, 89Zr; calculated high-lying p, n single particle state strength distributions. Quasiparticle-phonon model.

1985VD04      Izv.Akad.Nauk SSSR, Ser.Fiz. 49, 2173 (1985); Bull.Acad.Sci.USSR, Phys.Ser. 49, No.11, 83 (1985)

A.I.Vdovin, O.O.Rodriges, W.Andrejtscheff, Ch.Stoyanov

M2-Transitions between Low-Lying States in Odd-Odd Nuclei and Magnetic Core Polarization

NUCLEAR STRUCTURE 139,141Pr, 141,143,145Pm, 143,147,149Eu, 113,115,117,119,121Sb, 109,111,113,115,117,119,121Sn, 209Pb; calculated B(M2). Quasiparticle-phonon model.

1985VO05      J.Phys.(London) G11, L97 (1985)

V.V.Voronov, Ch.Stoyanov

Neutron Strength Functions of 205,209Pb

NUCLEAR REACTIONS 204,208Pb(n, n)E=0.2-1 MeV; calculated neutron reduced widths, s-, p-, d-wave strength functions. Quasiparticle-phonon model.

doi: 10.1088/0305-4616/11/6/003
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1984NG01      J.Phys.(London) G10, 517 (1984)

Nguyen Dinh Thao, V.G.Soloviev, Ch.Stoyanov, A.I.Vdovin

Fragmentation of the 1f Neutron-Hole Strength in 89Zr and 91Mo

NUCLEAR STRUCTURE 89Zr, 91Mo; calculated 1f7/2, 1f5/2 neutron-hole state fragmentation. Quasiparticle-phonon model.

doi: 10.1088/0305-4616/10/4/012
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1984VO14      Yad.Fiz. 40, 683 (1984)

V.V.Voronov, Nguyen Dinh Dang, V.Yu.Ponomarev, V.G.Soloviev, Ch.Stoyanov

Description of Giant Multipole Resonances in Spherical Nuclei

NUCLEAR STRUCTURE 116,118Sn, 146Nd, 208Pb; calculated giant multipole resonance characteristics, B(λ). Quasiparticle-phonon model.

1984WA19      Yad.Fiz. 40, 1396 (1984)

G.Wagner, A.Vdovin, P.Grabmayr, T.Kim, G.Mairle, V.Pugach, G.Siegert, Ch.Stoyanov

Fragmentation of Deep Hole States in the Reaction 58Ni(d, 3He)57Co at Deuteron Energy 52 MeV

NUCLEAR REACTIONS 58Ni(d, 3He), E=52 MeV; measured σ(θ); deduced optical model parameters. 57Co levels deduced S, d3/2, d5/2 single particle strength functions, deep hole state fragmentation.

1983SO03      Nucl.Phys. A399, 141 (1983)

V.G.Soloviev, Ch.Stoyanov, V.V.Voronov

Nuclear Properties in the Lead Region within the Quasiparticle-Phonon Nuclear Model

NUCLEAR REACTIONS 206,207Pb(n, n), E=thermal, resonance; calculated s-, p-, d-wave strength functions. 206,208Pb(γ, X), E not given: calculated photoabsorption σ(E).

NUCLEAR STRUCTURE 206Pb; calculated GDR characteristics, B(E1) strength distribution. 208Pb; calculated, B(λ), B(E1), B(E2) strength functions, giant quadrupole, octuople resonances, EWSR, GDR characteristics. 207Pb, 203,205,207Tl; calculated deep hole-state fragmentation. Quasiparticle-phonon model.

doi: 10.1016/0375-9474(83)90599-7
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1983SO12      Izv.Akad.Nauk SSSR, Ser.Fiz. 47, 2082 (1983)

V.G.Soloviev, Ch.Stoyanov, R.Nikolaeva

Estimate of the Pauli Principle Role in Two Phonon States of Spherical Nuclei

NUCLEAR STRUCTURE 114,116Sn, 142,144,146,148Sm; calculated levels. Proximity model, Pauli effect.

1983ST14      Phys.Lett. 130B, 134 (1983)

Ch.Stoyanov, A.I.Vdovin

High-Lying Single-Proton States in Spherical Nuclei

NUCLEAR STRUCTURE 145Eu, 209Bi; calculated high-lying single proton state fragmentation, strength function, proton stripping (α, t) reaction C2S. Quasiparticle-phonon model.

doi: 10.1016/0370-2693(83)91027-4
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1983VD01      Yad.Fiz. 37, 43 (1983)

A.I.Vdovin, Nguyen Din Tkhao, V.G.Soloviev, Ch.Stoyanov

Fragmentation of Neutron Hole States in 111,115Sn

NUCLEAR STRUCTURE 111,115Sn; calculated neutron hole state fragmentation, C2S. Quasiparticle-phonon model.

1982NG03      Izv.Akad.Nauk SSSR, Ser.Fiz. 46, 2157 (1982)

Nguen Din Tkhao, Ch.Stoyanov

Influence of Particle-Particle Channel Coupling on Highly Excited States

NUCLEAR STRUCTURE 144Sm; calculated B(E2) strength distribution.

1982PO02      J.Phys.(London) G8, L77 (1982)

V.Y.Ponomarev, Ch.Stoyanov, A.I.Vdovin

Magnetic Dipole and Quadrupole States of 58Ni

NUCLEAR REACTIONS 58Ni(e, e'), E=40, 50, 60, 75 MeV; calculated σ(θ), strength functions. Quasiparticle-phonon model.

doi: 10.1088/0305-4616/8/6/005
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1982PO09      Z.Phys. A308, 157 (1982)

V.Yu.Ponomarev, Ch.Stoyanov, A.I.Vdovin

High-Lying M1-States of Spherical Nuclei

NUCLEAR REACTIONS 208Pb(e, e'), E=60 MeV; calculated σ(θ), strength functions. 208Pb deduced noncollective 1+ states, possible M1 resonance characteristics. DWBA analysis, RPA, quasiparticle-phonon model.

doi: 10.1007/BF01413006
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1982RE02      J.Phys.(London) G8, 257 (1982)

R.Reif, B.Weissbach, E.Betak, Ch.Stoyanov, A.I.Vdovin

Direct Inelastic Proton Scattering from Odd-A Nuclei within the Semimicroscopic Quasiparticle-Phonon Model

NUCLEAR REACTIONS 88Sr(p, p'), E=20.2 MeV; 89Y(p, p'), E=24.5 MeV; calculated σ(θ). 88Sr, 89Y levels deduced configuration. Semi-microscopic, quasiparticle-phonon model, DWBA, CCBA analyses.

doi: 10.1088/0305-4616/8/2/012
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1982SO10      Nucl.Phys. A382, 206 (1982)

V.G.Soloviev, Ch.Stoyanov

Radiative Strength Functions in Odd-A Spherical Nuclei

NUCLEAR STRUCTURE 55Fe, 59,61Ni; calculated levels, E1, M1 strength functions, spectroscopic factors. Quasiparticle phonon model.

doi: 10.1016/0375-9474(82)90132-4
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1981NA08      Yad.Fiz. 33, 1494 (1981)

A.V.Navrotska-Rybarska, O.Stroyanova, Ch.Stoyanov

Influence of Ground State Correlations on the Properties of the First 2+ and 3- States in Some Sm Isotopes

NUCLEAR STRUCTURE 144,146,148,150Sm; calculated levels, B(λ). Variational principle, ground state correlations, phonon amplitude coupling.

1981ST27      Izv.Akad.Nauk SSSR, Ser.Fiz. 45, 1820 (1981)


Study of Deeply Bound Hole States in Odd Spherical Nuclei

NUCLEAR STRUCTURE 141,143,145,147Sm, 115,119Sn, 123Te; calculated 1g9/2 hole fragmentation. Quasiparticle-phonon model.

1980SO04      Nucl.Phys. A342, 261 (1980)

V.G.Soloviev, C.Stoyanov, A.I.Vdovin

The Description of the Fragmentation of One-Quasiparticle States in Spherical Nuclei

NUCLEAR STRUCTURE 57Ni, 115,117,119Sn, 123Te, 143Pm; calculated fragmentation of hole states. Quasiparticle-phonon model.

doi: 10.1016/0375-9474(80)90254-7
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1980SO07      Izv.Akad.Nauk SSSR, Ser.Fiz. 44, 1938 (1980)

V.G.Solovev, O.Stoyanova, Ch.Stoyanov

Quasiparticle Numbers in Ground States of Spherical and Transitional Nuclei

NUCLEAR STRUCTURE 144,146,148,150Sm, 126Te, 118Sn; calculated B(E2), B(E3). Quasiparticle formalism, ground state correlations.

1979PO11      Nucl.Phys. A323, 446 (1979)

V.Y.Ponomarev, V.G.Soloviev, C.Stoyanov, A.I.Vdovin

Magnetic Quadrupole Resonance in Spherical Nuclei

NUCLEAR STRUCTURE 58Ni, 90Zr, 208Pb; calculated M2 strength distribution. Quasiparticle phonon nuclear model.

doi: 10.1016/0375-9474(79)90119-2
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1979VD01      Yad.Fiz. 30, 923 (1979); Sov.J.Nucl.Phys. 30, 479 (1979)

A.I.Vdovin, V.V.Voronov, V.Y.Ponomarev, C.Stoyanov

Effect of a Two-Phonon Admixture on the M1 Resonance in Spherical Nuclei

NUCLEAR STRUCTURE 58,60Ni, 90Zr, 118,120Sn, 124,126Te, 138Ba, 140Ce; calculated M1 strength functions. Quasiparticle-phonon model, separable-multipole, spin-multipole surfaces.

1979VD03      Izv.Akad.Nauk SSSR, Ser.Fiz. 43, 999 (1979); Bull.Acad.Sci.USSR, Phys.Ser. 43, No.5, 87 (1979)

A.I.Vdovin, Ch.Stoyanov, Chan Zui Khyung

Fragmentation of the Deep-Lying Hole States of Isotopic Nuclei of Tin

NUCLEAR STRUCTURE 111,115,119,121Sn; calculated fragmentation of 1g9/2, 2p3/2, 2p1/2 states. Quasi-particle, phonon models.

1978AD07      Bulg.J.Phys. 5, 32 (1978)

J.Adam, S.Batsev, Ts.Vylov, M.Enikova, Zh.Zhelev, I.Penev, Ch.Stoyanov, M.E.Fominykh

Investigation of Nuclear Level Properties in the Transitional Region. Neutron Deficient Isotopes IV: Levels in 148Sm populated in the decay of 148Eu

RADIOACTIVITY 148Eu(β+), (EC); measured Eγ, Iγ, E(ce), I(ce). 148Sm deduced levels, J, π, multipolarity.

1978AK02      Yad.Fiz. 28, 883 (1978); Sov.J.Nucl.Phys. 28, 453 (1978)

S.V.Akulinichev, G.N.Afanasev, A.I.Vdovin, C.Stoyanov, V.M.Shilov

Study of Giant Resonances in Nuclei with the Aid of Proton and Electron Scattering

NUCLEAR STRUCTURE 90Zr; calculated resonances. One-phonon approximation, level fragmentation.

1978SO05      Nucl.Phys. A304, 503 (1978)

V.G.Soloviev, C.Stoyanov, V.V.Voronov

The Influence of the Giant Dipole Resonance on Radiative Strength Functions in Spherical Nuclei

NUCLEAR STRUCTURE 56Fe, 90Zr, Sn, 136,138Ba, 140Ce; calculated radiative strength functions.

NUCLEAR REACTIONS 90Zr(γ, X), E=8-15 MeV; calculated total σ(E). 124Te, 140,142Ce(γ, X), E=8-18 MeV; calculated σ(E).

doi: 10.1016/0375-9474(78)90247-6
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1978SO08      Phys.Lett. 79B, 187 (1978)

V.G.Soloviev, C.Stoyanov, V.V.Voronov

On the Enhancement of M1-Transitions from Neutron Resonances in the Ba and Ce Isotopes

NUCLEAR STRUCTURE 136,138Ba, 140Ce; calculated M1 strength functions. Quasiparticle-phonon nuclear model.

doi: 10.1016/0370-2693(78)90218-6
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1977ER05      Nucl.Phys. A290, 397 (1977)

R.A.Eramzhyan, S.I.Fedotov, V.P.Shpakov, C.Stoyanov, A.I.Vdovin

Excitation of Collective States in Spherical Nuclei in High-Energy Proton Interactions

NUCLEAR REACTIONS 58Ni, 90Zr, 120Sn(p, p), E ≈ 1 GeV; calculated σ(θ). 58Ni, 90Zr, 120Sn; calculated collective excitation, B(λ).

doi: 10.1016/0375-9474(77)90444-4
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1977SO09      Nucl.Phys. A288, 376 (1977)

V.G.Soloviev, C.Stoyanov, A.I.Vdovin

Fragmentation of Giant Multipole Resonances over Two-Phonon States in Spherical Nuclei

NUCLEAR STRUCTURE 90Zr, 120Sn, 124Te; calculated GDR, GQR, fragmentation of one-phonon states over two-phonon states, strength functions.

doi: 10.1016/0375-9474(77)90338-4
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1976DA05      J.Phys.(London) G2, 25 (1976)

D.Dambasuren, V.G.Soloviev, C.Stoyanov, A.I.Vdovin

Semi-Microscopic Calculation of the Neutron Strength Functions of Spherical Nuclei

NUCLEAR STRUCTURE 117,119,121,123Sn, 125,127,129,131Te; calculated neutron strength functions. Superfluid nuclear model.

doi: 10.1088/0305-4616/2/1/004
Citations: PlumX Metrics

1976IV01      Izv.Akad.Nauk SSSR, Ser.Fiz. 40, 750 (1976); Bull.Acad.Sci.USSR, Phys.Ser. 40, No.4, 50 (1976)

S.P.Ivanova, A.L.Komov, G.Kyrchev, V.G.Soloviev, C.Stoyanov

Anharmonicity of Vibrational States with Kπ = 2+, 0-, 1-, and 2- in Even Nuclei with 228 ≤ A ≤ 240

NUCLEAR STRUCTURE 228,230,232Th, 232,234,236U, 240Pu; calculated anharmonic vibrational states.

1976TE02      Yad.Fiz. 24, 31 (1976); Sov.J.Nucl.Phys. 24, 16 (1977)

V.B.Telitsyn, C.Stoyanov, A.I.Vdovin

Spin-Orbit Vibrations of Spherical Nuclei

NUCLEAR STRUCTURE 94,96,98Mo, 92,94,96Zr; calculated E0 transition probabilities, S for (t, p), (p, t) reactions.

1976VD01      Izv.Akad.Nauk SSSR, Ser.Fiz. 40, 2183 (1976); Bull.Acad.Sci.USSR, Phys.Ser. 40, No.10, 134 (1976)

A.I.Vdovin, D.Dambasuren, V.G.Solovev, C.Stoyanov

The Effect of Residual Interaction in a Particle-Particle Channel on the Properties of Low-Lying States of Spherical Nuclei

NUCLEAR STRUCTURE 124,126,128,130Te, 110,112,114,116Cd; calculated B(E2).

1976VD02      Izv.Akad.Nauk SSSR, Ser.Fiz. 40, 2183 (1976); Bull.Acad.Sci.USSR, Phys.Ser. 40, No.10, 134 (1976)

A.I.Vdovin, D.Dambasuren, V.G.Solovev, C.Stoyanov

The Effect of Residual Interaction in a Particle-Particle Channel on the Properties of Low-Lying States of Spherical Nuclei

NUCLEAR STRUCTURE 124,126,128,130Te, 110,112,114,116Cd; calculated B(E2).

1975KY01      Izv.Akad.Nauk SSSR, Ser.Fiz. 39, 2015 (1975); Bull.Acad.Sci.USSR, Phys.Ser. 39, No.10, 5 (1975)

G.Kyrchev, V.G.Solovev, C.Stoyanov

Anharmonicity in the Vibrational States of Highly Deformed Nuclei

NUCLEAR STRUCTURE 154Sm, 158Gd, 160Dy, 166Er; calculated levels, K, π.

1975VD01      Izv.Akad.Nauk SSSR, Ser.Fiz. 39, 1618 (1975); Bull.Acad.Sci.USSR, Phys.Ser. 39, No.8, 43 (1975)

A.I.Vdovin, C.Stoyanov

Mixing of Vigrational and Two-Quasiparticle Excitations of Even-Even Nuclei with Z = 50 and N = 82

NUCLEAR STRUCTURE 112,114,116,118,120,122,124Sn, 140Ce, 144Sm, 142Nd, 138Ba, 136Xe, 148Nd; calculated wavefunctions. 118,120,122,124Sn, 136Xe, 138Ba, 140Ce; calculated B(E2).

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