NSR Query Results
Output year order : Descending NSR database version of May 10, 2024. Search: Author = N.Yaneva Found 21 matches. 2012KO01 Prog.Nucl.Energy 54, 171 (2012) New interpretation of the 232Th unresolved resonance self-shielding effect NUCLEAR REACTIONS 232Th(n, X), (n, γ), E=4-100 keV; analyzed experimental data; calculated resonance self-shielding factors with resonance parameters from ENDF/B-VII.0, JENDL-3.3, JENDL-4.0, BROND-3 and JEFF-3.1 evaluated nuclear reaction libraries, total σ. Comparison with experimental data.
doi: 10.1016/j.pnucene.2011.06.006
2011KO54 J.Korean Phys.Soc. 59, 1920s (2011) N.Koyumdjieva, N.Janeva, A.A.Lukyanov Influence of Resonance Effects in the Unresolved Resonance Region on 232Th Data Evaluation COMPILATION 232Th(n, X), E≈4-140 keV; calculated, evaluated neutron strength functions, average σ, self-shielding factor, effective resonance integral. Compared with ENDF/B-VII.0, ENDF/B-VI.8, BROND3, JENDL-3.3, available data.
doi: 10.3938/jkps.59.1920
2011SE12 J.Korean Phys.Soc. 59, 1737s (2011) V.Semkova, N.Janeva, N.Koyumdjieva, R.J.Tornin, A.Moens, A.J.M.Plompen, K.Volev Neutron-Induced Activation Cross Sections on Hafnium Isotopes from the Threshold to 20 MeV NUCLEAR REACTIONS 174,176Hf(n, 2n), 177Hf(n, p)177gLu, 177Hf(n, 3n), 178Hf(n, α), (n, x)177gLu, 180Hf(n, α), (n, p), 180Hf(n, n')180mHf, E=threshold-20 MeV; measured Eγ, Iγ; deduced activation σ. Compared with available data, JENDL-3.3, JEFF-3.1, ENDF?B-VII.0, TENDL-2009 (TALYS Evaluated Nuclear Data Library).
doi: 10.3938/jkps.59.1737
2010KO14 J.Phys.(London) G37, 075101 (2010); Erratum J.Phys.(London) G37, 089701 (2010) N.Koyumdjieva, N.Janeva, A.A.Lukyanov Cross section structure of 232Th in the unresolved resonance region NUCLEAR REACTIONS 232Th(n, X), (n, γ), E=4-140 keV; analyzed experimental neutron data; deduced average resonance parameters, resonance σ. R-matrix elements distribution and Wigner theory.
doi: 10.1088/0954-3899/37/7/075101
2010ME14 J.Phys.:Conf.Ser. 205, 012051 (2010) Zh.V.Mezentseva, Yu.V.Grigoriev, N.B.Janeva Investigations of a resonance structure of neutron cross-sections using the multiplicity spectrometry technique NUCLEAR REACTIONS 98Mo(n, γ), E=0.1-60 keV;232Th(n, γ), E=35-10000 eV; measured reaction products; deduced group capture σ. 232Th(n, γ), E=20-200 eV; measured reaction products; deduced capture σ on low resolved resonances. Compared with ENDF/B-VI, JENDL-3, Mo data also with other ones.
doi: 10.1088/1742-6596/205/1/012051
2006BO04 Nucl.Sci.Eng. 152, 1 (2006) A.Borella, K.Volev, A.Brusegan, P.Schillebeeckx, F.Corvi, N.Koyumdjieva, N.Janeva, A.A.Lukyanov Determination of the 232Th(n, γ) Cross Section from 4 to 140 keV at GELINA NUCLEAR REACTIONS 232Th(n, γ), E=4-140 keV; measured capture σ; deduced average resonance parameters. Comparison with previous results.
doi: 10.13182/NSE06-A2557
2001KO05 Nucl.Sci.Eng. 137, 194 (2001) N.Koyumdjieva, N.Janeva, K.Volev Validation of the Characteristic Function Model for the Unresolved Resonance Region NUCLEAR REACTIONS 56Fe, 238U(n, X), E < 800 keV; analyzed σ; calculated self-shielding factors for unresolved resonance region.
doi: 10.13182/NSE01-A2185
1997LU10 Fiz.Elem.Chastits At.Yadra 28, 847 (1997); Phys.Part.Nucl. 28, 331 (1997) Multilevel Parametrization of Resonance Neutron Cross Sections
1995KO41 Z.Phys. A353, 31 (1995) N.Koyumdjieva, A.A.Lukyanov, N.Janeva Characteristic Functions in the Statistical R-Matrix Theory
doi: 10.1007/BF01297724
1994GE15 Proc.Intern.Conf.Nuclear Data for Science and Technology, Gatlinburg, Tennesse, 9-13 May, 1994, J.K.Dickens, Ed., American Nuclear Society, Vol.1, p.299 (1994) G.P.Georgiev, Yu.V.Grigoriev, G.V.Muradyan, N.B.Janeva Neutron resonance parameters of 119Sn NUCLEAR REACTIONS 119Sn(n, n), 119Sn(n, γ), 120Sn(n, n), E=0.0 eV-1.9 keV; measured products, Eγ, Iγ; deduced resonance parameters. Data were imported from EXFOR entry 41200. Data from this article have been entered in the EXFOR database. For more information, access X4 dataset41200. 1993GE07 Nucl.Phys. A565, 643 (1993) G.Georgiev, Yu.S.Zamyatnin, L.B.Pikelner, G.V.Muradian, Yu.V.Grigorev, T.Madjarski, N.Janeva Determination of 147Sm and 148Sm Resonance Parameters NUCLEAR REACTIONS 147,148Sm(n, γ), E=15-4000 eV; measured σ(n, γ), σ(n, n'), for capture, neutron scattering. 148,149Sm deduced resonances, Γγ, Γ(n), J. Multisectional scintillation detector, IBR-30 pulse booster.
doi: 10.1016/0375-9474(93)90050-8
1992JA05 Nucl.Instrum.Methods Phys.Res. A313, 266 (1992) N.Janeva, S.Toshkov, G.V.Muradyan, Yu.V.Grigorev, G.Georgiev, I.Sirakov, V.G.Tishin, Yu.S.Zamyatnin A Setup for Precise Measurement of Resonance Neutron Capture by Self-Indication NUCLEAR REACTIONS 238U(n, γ), E=0.465-200 keV; measured capture self-indication ratio; deduced implications for self-shielding effects, γ-multiplicity characteristics of resonances.
doi: 10.1016/0168-9002(92)90104-C
1988AD11 At.Energ. 65, 434 (1988); Sov.At.Energy 65, 1022 (1988) Yu.V.Adamchuk, M.A.Voskanyan, G.Georgiev, A.L.Kovtun, G.V.Muradyan, N.Stancheva, N.Chikov, N.Yaneva, Yu.G.Shchepkin Measuring of 235U α Values at a Thermal Point NUCLEAR REACTIONS 235U(n, γ), (n, F), E=thermal; measured capture γ-spectra, fission neutron spectra; deduced α-parameter. Data from this article have been entered in the EXFOR database. For more information, access X4 dataset41044. 1987VA11 Nucl.Sci.Eng. 96, 122 (1987) A.A.Vankov, V.F.Ukraintsev, N.Yaneva, S.Toshkov, A.Mateeva Nuclear Data for 235U, 238U, and 239Pu in the Unresolved Resonance Region NUCLEAR REACTIONS 235,238U, 239Pu(n, n), (n, F), E ≤ 50 keV; measured transmission, fission self-indication functions. 236,239U, 240Pu deduced mean resonance parameters. Tof. R-matrix formalism.
doi: 10.13182/NSE87-A16372
1986KO29 Radiat.Eff. 96, 277 (1986) V.Kolesov, A.Lukyanov, S.Toshkov, N.Janeva Multilevel Analysis of Pu-239 Neutron Cross Sections in the Resolved Resonance Region NUCLEAR REACTIONS 239Pu(n, n), (n, γ), (n, F), E=5.3-80 eV; analyzed total, capture, fission, reaction σ(E). 240Pu deduced multilevel resonance parmeters. S-matrix parametrization.
doi: 10.1080/00337578608211752
1985AD06 Nucl.Instrum.Methods 236, 105 (1985) Yu.V.Adamchuk, A.L.Kovtun, G.V.Muradyan, Yu.G.Shchepkin, G.Georgiev, N.Kalinkova, E.Moravska, N.Stancheva, N.Tchikov, N.Janeva A Spectrometer for Measurement of the Neutron Capture Gamma Multiplicity at a Stationary Research Reactor NUCLEAR REACTIONS 235U(n, γ), (n, F), E=0.025 eV; measured capture to fission ratio, γ-multiplicity. 4 π geometry, multi-sectional NaI(Tl) scintillation detector.
doi: 10.1016/0168-9002(85)90133-0
1983BA72 At.Energ. 55, 34 (1983); Sov.At.Energy 55, 476 (1983) T.Bakalov, G.Ilchev, S.Toshkov, V.F.Ukraintsev, Mai Chan Khan, N.Yaneva Multilevel Parametrization of the Total Cross Section and Fission Cross Section of 239Pu in the Resonance Region of Neutron Energies NUCLEAR REACTIONS 239Pu(n, X), (n, F), E=4-50 eV; measured transmission, total σ(E), fission σ(E); deduced resonance interference. 240Pu deduced resonance parameters. Adler S-matrix approach. Data from this article have been entered in the EXFOR database. For more information, access X4 dataset40672. 1980VA19 At.Energ. 48, 377 (1980); Sov.At.Energy 48, 381 (1980) A.A.Vankov, Yu.V.Grigorev, V.F.Ukraintsev, T.Bakalov, G.Ilchev, S.Toshkov, Chan Khan-Mai, N.Yaneva Determination of the Details of the Resonance Structure of Both the Total Cross Section and the Fission Cross Section of 235U and 239Pu for 2 eV-20-keV Neutrons NUCLEAR REACTIONS, Fission 235U, 239Pu(n, n), (n, X), (n, F), E=.002-20 keV; measured transmission, total σ(E), resonance structure characteristics; deduced resonance self-shielding. Tof. Data from this article have been entered in the EXFOR database. For more information, access X4 dataset40510. 1973FU13 Izv.Fiz.Inst.ANEB Bulg.Akad.Nauk. 23, 121 (1973) Spin-Dependent Statistics of Partial Widths of Resonance Levels NUCLEAR REACTIONS, Fission 235U, 239Pu(n, F); analyzed F-width.
1971RY01 Yad.Fiz. 13, 457 (1971); Sov.J.Nucl.Phys. 13, 255 (1971) Y.V.Ryabov, S.D.Sik, N.Chikov, N.Yaneva Parameters of the Neutron Resonances of U233, U235, and Pu239 NUCLEAR REACTIONS 233,235U, 239Pu(n, X), 235U, 239Pu(n, γ), (n, F), E=resonance; measured σ(nT)(E), σ(E). 234,236U, 240Pu deduced resonances, level-width. Data from this article have been entered in the EXFOR database. For more information, access X4 dataset40070. 1971RY03 Yad.Fiz. 14, 927 (1971); Sov.J.Nucl.Phys. 14, 519 (1972) Y.V.Ryabov, So Don Sik, N.Chikov, N.Yaneva Relative Measurements of ν-Bar in U235 and Pu239 Fission by Resonance Neutrons NUCLEAR REACTIONS, Fission 235U, 239Pu(n, F), E=1-40, 5-85 eV; measured average prompt neutron numbers.
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