NSR Query Results
Output year order : Descending NSR database version of April 24, 2024. Search: Author = R.Kalpakchieva Found 85 matches. 2011KU10 Bull.Rus.Acad.Sci.Phys. 75, 538 (2011); Izv.Akad.Nauk RAS, Ser.Fiz 75, 574 (2011) A.A.Kulko, N.K.Skobelev, V.Kroha, V.Burjan, Z.Hons, A.V.Daniel, N.A.Demekhina, R.Kalpakchieva, A.Kugler, J.Mrazek, Yu.E.Penionzhkevich, S.Piskor, Yu.G.Sobolev, E.Simeckova Excitation functions for 44Sc, 46Sc, and 47Sc radionuclides produced in the interaction of 45Sc with deuterons and 6He NUCLEAR REACTIONS 45Sc(d, p), (d, t), E=11.7 MeV; 45Sc(6He, 5He'), (6He, α), E=10 MeV/nucleon; measured reaction products, Eγ, nullg; deduced σ. Comparison with EMPIRE and TALYS calculations.
doi: 10.3103/S1062873811040290
2011MA04 Phys.Part. and Nucl.Lett. 8, 31 (2011); Pisma Zh.Fiz.Elem.Chast.Atom.Yadra No.1 (164), 53 (2011) V.A.Maslov, R.A.Astabatyan, V.A.Damaskin, M.P.Ivanov, R.Kalpakchieva, A.A.Kulko, S.M.Lukyanov, Yu.E.Penionzhkevich, R.V.Revenko, N.K.Skobelev, D.A.Testov, S.A.Goncharov, A.N.Danilov, A.S.Demyanova, A.A.Ogloblin, Z.Dlougy Study of the diffraction scattering 12C + 12C with the excitation of the 12C exotic state 0+2 (the Hoyle state) NUCLEAR REACTIONS 12C(12C, 12C), (12C, 12C'), E=121.5 MeV; measured reaction products; deduced σ(θ), diffraction radii, spectrum of scattered nuclei, properties of Hoyle states.
doi: 10.1134/S1547477111010080
2011SK01 J.Phys.(London) G38, 035106 (2011) N.K.Skobelev, A.A.Kulko, V.Kroha, V.Burjan, Z.Hons, A.V.Daniel, N.A.Demekhina, R.Kalpakchieva, A.Kugler, J.Mrazek, Yu.E.Penionzhkevich, S.Piskor, E.Simeckova, E.I.Voskoboynik Excitation functions for the radionuclide 46Sc produced in the irradiation of 45Sc with deuterons and 6He NUCLEAR REACTIONS 45Sc(d, p), (d, t), (d, X)44Sc/46Sc/47Sc/48V, E=11.7 MeV; measured reaction products, Eγ, Iγ; deduced σ. Comparison with experimental data.
doi: 10.1088/0954-3899/38/3/035106
2010DE19 Bull.Rus.Acad.Sci.Phys. 74, 777 (2010); Izv.Akad.Nauk RAS, Ser.Fiz 74, 813 (2010) N.A.Demekhina, R.Kalpakchieva, A.A.Kulko, S.M.Lukyanov, N.K.Skobelev, Z.Dlouhy, V.Kroha, A.Kugler, T.V.Chuvilskaya, A.A.Shirokova Excitation functions of 6Li incomplete fusion reactions with Pt nuclei NUCLEAR REACTIONS Pt(6Li, X)194Au/196Au/198Au/199Au/197Hg, E=42.5 MeV; measured reaction products, Eγ, Iγ; deduced σ, dominant cluster contribution. Comparison with EMPIRE-2.18.
doi: 10.3103/S1062873810060109
2009LU02 Phys.Lett. B 670, 321 (2009) S.M.Lukyanov, Yu.E.Penionzhkevich, R.A.Astabatian, N.A.Demekhina, Z.Dlouhy, M.P.Ivanov, R.Kalpakchieva, A.A.Kulko, E.R.Markarian, V.A.Maslov, R.V.Revenko, N.K.Skobelev, V.I.Smirnov, Yu.G.Sobolev, W.Trazska, S.V.Khlebnikov Study of the 2n-evaporation channel in the 4, 6He + 206, 208Pb reactions NUCLEAR REACTIONS 206Pb(6He, 2n), E=12-28 MeV; 208Pb(4He, 2n), E=12-28 MeV; measured σ. Comparison with statistical and sequential fusion models.
doi: 10.1016/j.physletb.2008.11.021
2009PE01 J.Phys.(London) G36, 025104 (2009) Yu.E.Penionzhkevich, S.M.Lukyanov, R.A.Astabatyan, N.A.Demekhina, M.P.Ivanov, R.Kalpakchieva, A.A.Kulko, E.R.Markaryan, V.A.Maslov, Yu.A.Muzychka, R.V.Revenko, N.K.Skobelev, V.I.Smirnov, Yu.G.Sobolev Complete and incomplete fusion of 6Li ions with Bi and Pt NUCLEAR REACTIONS 209Bi(6Li, 3n), (6Li, 4n), (6Li, 5n), (6Li, 6n), 198,196,195Pt(6Li, 5n), 198,196,195,194Pt(6Li, 4n), 196,195,194Pt(6Li, 3n), 198Pt(6Li, 2n), E < 55 MeV; measured Eα, Iα, fusion evaporation excitation functions. Compared results to model calculations.
doi: 10.1088/0954-3899/36/2/025104
2009SK02 Phys.Part. and Nucl.Lett. 6, 208 (2009) N.K.Skobelev, N.A.Demekhina, R.Kalpakchieva, A.A.Kulko, S.M.Lukyanov, Yu.A.Muzychka, Yu.E.Penionzhkevich, T.V.Chuvilskaya The excitation functions of complete and incomplete fusion reactions of 6Li with Pt nuclei NUCLEAR REACTIONS Pt(6Li, X), E=22.5-42.5 MeV; 196,197,198,199,200,201Tl;194,196,198,199Au; Measured Eγ, Iγ, σ. Compared results to model calculations using ALICE-MP, EMPIRE-II codes.
doi: 10.1134/S1547477109030042
2008BO37 Int.J.Mod.Phys. E17, 2067 (2008) H.G.Bohlen, W.Von Oertzen, Tz.Kokalova, Ch.Schulz, R.Kalpakchieva, T.N.Massey, M.Milin Band structures in 12Be: Experimental results NUCLEAR REACTIONS 14C(12C, 14O), 10Be(14N, 12N), 9Be(12C, 9C), (15N, 12N), E=231, 216, 231, 240 MeV; measured reaction products; deduced 12Be energy levels, J, π.
doi: 10.1142/S0218301308011100
2008HA27 Phys.Rev. C 78, 014319 (2008) P.J.Haigh, N.I.Ashwood, T.Bloxham, N.Curtis, M.Freer, P.McEwan, D.Price, V.Ziman, H.G.Bohlen, Tz.Kokalova, Ch.Schulz, R.Torabi, W.von Oertzen, C.Wheldon, W.Catford, C.Harlin, R.Kalpakchieva, T.N.Massey Measurement of α and neutron decay widths of excited states of 14C NUCLEAR REACTIONS 12C(16O, 14O), E=234 MeV; measured charged particle spectra. 14C; deduced levels, J, π, configurations, widths of excited states. 7Li(9Be, 14C);14C(13C, 14C), (14C, 14C); 9Be(7Li, d); 13C(polarized p, π+), (n, n); comparison of levels. RADIOACTIVITY 14C(n)(α); measured partial decay widths. 10Be, 13C; deduced levels, J, π, angular distributions, configurations. Comparison with model calculations.
doi: 10.1103/PhysRevC.78.014319
2008PE32 Int.J.Mod.Phys. E17, 2349 (2008) Yu.E.Penionzhkevich, R.Kalpakchieva, A.A.Kulko, S.M.Lukyanov, V.A.Maslov, N.K.Skobelev Peculiarities of nuclear reactions induced by 6He and 6Li nuclei near the Coulomb barrier NUCLEAR REACTIONS 206Pb(6He, 2n), 208Pb(α, 2n), E=60.3 MeV;197Au(6He, X), 198Pt(d, X), E not given; 196,198,199Au; measured reaction products; deduced excitation functions.
doi: 10.1142/S0218301308011598
2007BO10 Eur.Phys.J. A 31, 279 (2007) H.G.Bohlen, R.Kalpakchieva, W.von Oertzen, T.N.Massey, A.A.Ogloblin, G.de Angelis, M.Milin, Ch.Schulz, Tz.Kokalova, C.Wheldon Spectroscopy of 17C and (sd)3 structures in heavy carbon isotopes NUCLEAR REACTIONS 12,14C(12C, 9C), E=231 MeV; measured particle spectra, σ(E, θ). 15,17C deduced levels, J, π, configurations. NUCLEAR STRUCTURE 15,16,17C, 19O; calculated levels, J, π. Shell model.
doi: 10.1140/epja/i2006-10275-5
2007KA26 Phys.Atomic Nuclei 70, 619 (2007); Yad.Fiz. 70, 649 (2007) R.Kalpakchieva, V.A.Maslov, R.A.Astabatian, A.A.Kulko, S.M.Lukyanov, E.R.Markarian, Yu.Ts.Oganessian, Yu.E.Penionzhkevich, N.K.Skobelev, Yu.G.Sobolev Momentum Distributions of 4He Nuclei from the 6He and 6Li Breakup NUCLEAR REACTIONS Au, C(6He, αX), E=10 MeV/nucleon; Ta, Si, Be(6Li, αX), E=18.46 MeV/nucleon; measured momentum distribution of 4He nuclei from the breakup of 6He and 6Li. Compared results to existing data.
doi: 10.1134/S1063778807040023
2007KU09 Phys.Atomic Nuclei 70, 613 (2007); Yad.Fiz. 70, 643 (2007) A.A.Kulko, N.A.Demekhina, R.Kalpakchieva, Yu.A.Muzychka, Yu.E.Penionzhkevich, D.N.Rassadov, N.K.Skobelev, D.A.Testov Excitation Functions for Complete-Fusion and Transfer Reactions in 4He Interaction with 197Au Nuclei NUCLEAR REACTIONS 197Au(α, n), (α, 2n), (α, 3n), E=14-36 MeV;measured Eγ, Iγ. Deduced excitation functions using stack activation technique.
doi: 10.1134/S1063778807040011
2007KU25 J.Phys.(London) G34, 2297 (2007) A.A.Kulko, N.A.Demekhina, R.Kalpakchieva, N.N.Kolesnikov, V.G.Lukashik, Yu.E.Penionzhkevich, D.N.Rassadov, N.K.Skobelev Isomeric ratios for 196, 198Tl and 196, 198Au from fusion and transfer in the interaction of 6He with 197Au NUCLEAR REACTIONS 197Au(6He, X)196Au/198Au/196Tl/198Tl, E=7-60 MeV; measured Eγ, Iγ, cross sections, and excitation functions using stacked foil technique.
doi: 10.1088/0954-3899/34/11/007
2007PE02 Eur.Phys.J. A 31, 185 (2007) Yu.E.Penionzhkevich, R.A.Astabatyan, N.A.Demekhina, G.G.Gulbekian, R.Kalpakchieva, A.A.Kulko, S.M.Lukyanov, E.R.Markaryan, V.A.Maslov, Yu.A.Muzychka, Yu.Ts.Oganessian, R.V.Revenko, N.K.Skobelev, Yu.G.Sobolev, D.A.Testov, T.Zholdybaev Excitation functions of fusion reactions and neutron transfer in the interaction of 6He with 197Au and 206Pb NUCLEAR REACTIONS 197Au(6He, 2n), (6He, 3n), (6He, 4n), (6He, 5n), (6He, 6n), (6He, 7n), E ≈ 10-70 MeV; 206Pb(6He, 2n), E ≈ 10-26 MeV; 197Au(6He, X)194Au/196Au/198Au, E ≈ 10-70 MeV; measured excitation functions. Comparison with model predictions.
doi: 10.1140/epja/i2006-10166-9
2007PE18 Bull.Rus.Acad.Sci.Phys. 71, 812 (2007); Izv.Akad.Nauk RAS, Ser.Fiz. 71, 840 (2007) Yu.E.Penionzhkevich, R.A.Astabatyan, N.A.Demekhina, G.G.Gulbekian, R.Kalpakchieva, A.A.Kulko, S.M.Lukyanov, E.R.Markaryan, V.A.Maslov, Yu.A.Muzychka, R.V.Revenko, N.K.Skobelev, Yu.G.Sobolev, D.A.Testov, T.K.Zholdybaev Excitation functions for complete fusion and transfer reactions in the interaction of 6He with 197Au nuclei NUCLEAR REACTIONS 197Au(6He, xn), E < 10 MeV/nucleon; measured cross sections and excitation functions.
doi: 10.3103/S1062873807060123
2007PE39 Iader.Fiz.Enerh. 8 no.2, 56 (2007); Nuc.phys.atom.energ. 8, no.2. 56 (2007) Yu.E.Penionzhkevich, R.A.Astabatyan, N.A.Demekhina, R.Kalpakchieva, A.A.Kulko, S.P.Lobastov, S.M.Lukyanov, E.R.Markaryan, V.A.Maslov, Yu.A.Muzychka, Yu.Ts.Oganessian, D.N.Rassadov, N.K.Skobelev, Yu.G.Sobolev, T.Zholdybaev Peculiarities in the interaction of 6He with 197Au and 206Pb at energies close to the Coulomb barrier NUCLEAR REACTIONS 197Au(6He, 2n), (6He, 3n), (6He, 4n), (6He, 5n), (6He, 6n), (6He, 7n), E ≈ 10-70 MeV; 206Pb(6He, 2n), E ≈ 10-70 MeV;197Au(6He, X)194Au/196Au/198Au, E ≈ 10-70 MeV; measured reaction products, Eγ, Iγ; deduced excitation functions, σ.
doi: 10.15407/jnpae
2006HA57 Bull.Rus.Acad.Sci.Phys. 70, 1785 (2006) A.A.Hassan, S.M.Lukyanov, R.Kalpakchieva, Yu.E.Penionzhkevich, R.A.Astabatyan, J.Vinsour, Z.Dlouhy, A.A.Kulko, J.Mrazek, S.P.Lobastov, E.R.Markaryan, V.A.Maslov, N.K.Skobelev, Yu.G.Sobolev Investigation of nuclear fusion in reactions of 4, 6He and 7Li with 208Pb and 209Bi nuclei NUCLEAR REACTIONS 208Pb(α, X), (6He, X), (7Li, X), E=20-140 MeV; measured fission and fusion evaporation cross sections, excitation functions. Data from this article have been entered in the EXFOR database. For more information, access X4 datasetF0734. 2006PE10 Phys.Rev.Lett. 96, 162701 (2006) Yu.E.Penionzhkevich, V.I.Zagrebaev, S.M.Lukyanov, R.Kalpakchieva Deep Sub-Barrier Fusion Enhancement in the 6He + 206Pb Reaction NUCLEAR REACTIONS 206Pb(6He, 2n), E(cm) ≈ 10-25 MeV; measured production σ; deduced sequential fusion mechanism for sub-barrier enhancement.
doi: 10.1103/PhysRevLett.96.162701
2006PE37 Phys.Part. and Nucl.Lett. 3, 362 (2006) Yu.E.Penionzhkevich, R.A.Astabatyan, N.A.Demekhina, Z.Dlouhy, R.Kalpakchieva, A.A.Kulko, S.P.Lobastov, S.M.Lukyanov, E.R.Markaryan, V.A.Maslov, Yu.A.Muzychka, Yu.Ts.Oganessian, D.N.Rassadov, N.K.Skobelev, Yu.G.Sobolev, V.Yu.Ugryumov, J.Vincour, T.Zholdybaev Some Peculiarities in the Interaction of 6He with 197Au and 206Pb NUCLEAR REACTIONS 197Au(6He, 2n), (6He, 3n), (6He, 4n), (6He, 5n), (6He, 6n), (6He, 7n), E ≈ 10-70 MeV; 206Pb(6He, 2n), E ≈ 10-26 MeV; 197Au(6He, X)196Au/198Au/199Au, E ≈ 10-70 MeV; measured excitation functions. Comparison with model predictions.
doi: 10.1134/S1547477106060045
2005BO39 J.Phys.(London) G31, S1461 (2005) H.G.Bohlen, R.Kalpakchieva, W.von Oertzen, T.N.Massey, A.A.Ogloblin, G.de Angelis, Ch.Schulz, Tz.Kokalova, C.Wheldon Structure studies of excited states of 17C and 16C NUCLEAR REACTIONS 13,14C(12C, 9C), E=231 MeV; measured excitation energy spectra. 16,17C deduced levels, J, π, configurations.
doi: 10.1088/0954-3899/31/10/014
2005MB12 Bull.Rus.Acad.Sci.Phys. 69, 1761 (2005) V.A.Maslov, R.A.Astabatyan, J.Vincour, A.S.Denikin, T.K.Zholdybaev, V.I.Zagrebaev, R.Kalpakchieva, I.V.Kuznetsov, S.P.Lobastov, S.M.Lukyanov, E.R.Markaryan, Yu.E.Penionzhkevich, N.K.Skobelev, Yu.G.Sobolev, V.Yu.Ugryumov, A.A.Hassan Elastic and inelastic scattering of 6Li on 12C at 63 MeV NUCLEAR REACTIONS 12C(6Li, 6Li), (6Li, 6Li'), E=63 MeV; measured σ(θ); deduced optical model parameters. 12C, 16O, 24Mg, 28Si, 40Ca, 60Ni, 90Zr, 124Sn, 208Pb(6Li, 6Li), E ≈ 50-90 MeV; calculated σ(θ). Data from this article have been entered in the EXFOR database. For more information, access X4 datasetF1289. 2005MC12 J.Phys.(London) G31, S1921 (2005) P.McEwan, M.Freer, N.Ashwood, N.Curtis, D.Price, V.Ziman, H.G.Bohlen, Tz.Kokalova, Ch.Schulz, R.Torabi, W.von Oertzen, C.Wheldon, T.N.Massey, R.Kalpakchieva, W.Catford Investigation into the structure of 14C using recoil co-incidence techniques NUCLEAR REACTIONS 12C(16O, 14O), E not given; measured excitation energy spectra. 14C deduced decay branch widths.
doi: 10.1088/0954-3899/31/10/102
2005SO18 Bull.Rus.Acad.Sci.Phys. 69, 1790 (2005) Yu.G.Sobolev, A.Budzanowski, E.Bialkowski, T.K.Zholdybaev, E.V.Zemlyanaya, R.Kalpakchieva, A.Kugler, I.V.Kuznetsov, A.A.Kulko, K.A.Kuterbekov, I.N.Kukhtina, V.F.Kushniruk, S.P.Lobastov, V.K.Lukyanov, S.M.Lukyanov, V.A.Maslov, L.Mikhailov, Yu.E.Penionzhkevich, I.Skwirczynska, N.K.Skobelev, W.H.Trzaska, V.Yu.Ugryumov Energy dependence of total reaction cross section for 4, 6He, 7Li + 28Si interaction at E=5-50 Mev/nucleon NUCLEAR REACTIONS 28Si(α, X), (6He, X), (7Li, X), E=5-50 MeV/nucleon; measured reaction σ. Data from this article have been entered in the EXFOR database. For more information, access X4 datasetF1309. 2004BO12 Nucl.Phys. A734, 345 (2004) H.G.Bohlen, R.Kalpakchieva, W.von Oertzen, T.N.Massey, B.Gebauer, S.M.Grimes, T.Kokalova, A.Lenz, M.Milin, Ch.Schulz, S.Thummerer, S.Torilov, A.Tumino Particle-hole structures of neutron-rich Be- and C-isotopes NUCLEAR REACTIONS 9Be(16O, 14O), E=233.5 MeV; 13C(12C, 14O), E not given; 13C(12C, 9C), E=230.7 MeV; measured σ(E, θ). 11Be, 16C deduced levels, J, π, configurations.
doi: 10.1016/j.nuclphysa.2004.01.063
2004BO23 Nucl.Phys. A738, 333 (2004) H.G.Bohlen, R.Kalpakchieva, W.von Oertzen, T.N.Massey, B.Gebauer, T.Kokalova, A.A.Ogloblin, Ch.Schulz, S.Thummerer Structure of neutron-rich Beryllium and Carbon isotopes NUCLEAR REACTIONS 9Be, 13,14C(12C, 9C), E=231 MeV; measured excitation energy spectra. 12Be, 16,17C deduced levels, J, π.
doi: 10.1016/j.nuclphysa.2004.04.056
2004UG01 Nucl.Phys. A734, E53 (2004) V.Yu.Ugryumov, I.V.Kuznetsov, K.B.Basybekov, E.Bialkowski, A.Budzanowski, A.Duysebaev, B.A.Duysebaev, T.K.Zholdybaev, K.M.Ismailov, K.K.Kadyrzhanov, R.Kalpakchieva, A.Kugler, I.N.Kukhtina, V.F.Kushniruk, K.A.Kuterbekov, A.Mukhamedzhan, Yu.E.Penionzhkevich, B.M.Sadykov, I.Skwirczynska, Yu.G.Sobolev Total reaction cross section for 4He collisions with silicon in the energy range 3-10 MeV/u NUCLEAR REACTIONS Si(α, X), E=3-10 MeV/nucleon; measured reaction σ; deduced optical potential parameters. Transmission method.
doi: 10.1016/j.nuclphysa.2004.03.018
2004VO10 Eur.Phys.J. A 21, 193 (2004) W.von Oertzen, H.G.Bohlen, M.Milin, Tz.Kokalova, S.Thummerer, A.Tumino, R.Kalpakchieva, T.N.Massey, Y.Eisermann, G.Graw, T.Faestermann, R.Hertenberger, H.-F.Wirth Search for cluster structure of excited states in 14C NUCLEAR REACTIONS 12C(16O, 14O), (14N, 12N), (15N, 13N), E ≈ 15 MeV/nucleon; 16O(15N, 17N), E=16 MeV/nucleon; 8Be(7Li, d), E=44 MeV; measured particle spectra. 14C deduced levels, J, π, configurations, deformation, rotational bands, α-cluster features. Other data analyzed.
doi: 10.1140/epja/i2003-10188-9
2003BA82 Yad.Fiz. 66, 1662 (2003); Phys.Atomic Nuclei 66, 1615 (2003) M.K.Baktybaev, A.Duisebaev, B.A.Duisebaev, K.M.Ismailov, M.G.Itkis, K.K.Kadyrzhanov, R.Kalpakchieva, I.V.Kuznetsov, K.A.Kuterbekov, I.N.Kukhtina, S.M.Lukyanov, A.Mukhamedzhan, Yu.E.Penionzhkevich, B.M.Sadykov, Yu.G.Sobolev, V.Yu.Ugryumov Total Reaction Cross Section from the Interaction of 4He Ions with 28Si at 10-30 MeV NUCLEAR REACTIONS 28Si(α, X), E=10-30 MeV; measured reaction σ. Comparison with previous results, model predictions.
doi: 10.1134/1.1611566
2003BO24 Yad.Fiz. 66, 1539 (2003); Phys.Atomic Nuclei 66, 1494 (2003) H.G.Bohlen, W.von Oertzen, R.Kalpakchieva, B.Gebauer, S.M.Grimes, A.Lenz, T.N.Massey, M.Milin, Ch.Schulz, Tz.Kokalova, S.Torilov, S.Thummerer Structure of Neutron-Rich Be and C Isotopes NUCLEAR REACTIONS 9,10Be(14N, 13N), E=217.9 MeV; 9Be(13C, 11C), E=379 MeV; 9Be(15N, 12N), E=240 MeV; 10Be(14N, 12N), E=216 MeV; 12,13C(12C, 9C), E=230.7 MeV; measured excitation energy spectra. 9Be(16O, 14O), E=233.5 MeV; 13C(12C, 14O), E=230.7 MeV; measured σ(θ). 10,11,12Be deduced levels, J, π, configurations, rotational bands. 15,16C deduced level energies, widths, configurations.
doi: 10.1134/1.1601755
2003BO38 Nucl.Phys. A722, 3c (2003) H.G.Bohlen, R.Kalpakchieva, W.von Oertzen, T.N.Massey, B.Gebauer, S.M.Grimes, T.Kokalova, H.Lenske, A.Lenz, M.Milin, Ch.Schulz, S.Thummerer, S.Torilov, A.Tumino Structure studies of neutron-rich Beryllium and Carbon isotopes NUCLEAR REACTIONS 9Be(14N, 13N), E=217.9 MeV; 9Be(15N, 12N), E=240 MeV; 9Be(13C, 11C), E=379 MeV; 13C(12C, 9C), E=230.7 MeV; measured particle spectra, σ(E, θ). 10,11,12Be, 16C; deduced levels, J, π.
doi: 10.1016/S0375-9474(03)01327-7
2003BO41 Phys.Rev. C 68, 054606 (2003) H.G.Bohlen, R.Kalpakchieva, B.Gebauer, S.M.Grimes, H.Lenske, K.P.Lieb, T.N.Massey, M.Milin, W.von Oertzen, Ch.Schulz, T.Kokalova, S.Torilov, S.Thummerer Spectroscopy of particle-hole states of 16C NUCLEAR REACTIONS 12,13C(12C, 9C), E=230.7 MeV; measured particle spectra, σ(θ). 15,16C deduced levels, J, π, configurations.
doi: 10.1103/PhysRevC.68.054606
2003BO50 Acta Phys.Hung.N.S. 18, 179 (2003) H.G.Bohlen, W.von Oertzen, R.Kalpakchieva, B.Gebauer, S.M.Grimes, T.N.Massey, H.Lenske, A.Lenz, M.Milin, Ch.Schulz, T.Kokalova, S.Torilov, S.Thummerer Structure Studies of Neutron-Rich Beryllium and Carbon Isotopes NUCLEAR REACTIONS 9Be(13C, 11C), E=379 MeV; 9Be(14N, 13N), E=217.9 MeV; 9Be(15N, 12N), E=240 MeV; measured particle spectra. 10,11,12Be deduced rotational bands. 9Be(16O, 14O), E=233.5 MeV; 13C(12C, 14O), E=230.7 MeV; measured σ(E, θ). 11Be deduced levels, J, π. 13C(12C, 9C), E=230.7 MeV; measured particle spectra. 16C deduced levels. Quasiparticle RPA calculations.
doi: 10.1556/APH.18.2003.2-4.10
2003HA29 Yad.Fiz. 66, 1707 (2003); Phys.Atomic Nuclei 66, 1659 (2003) A.A.Hassan, S.M.Lukyanov, R.Kalpakchieva, N.K.Skobelev, Yu.E.Penionzhkevich, Z.Dlouhy, S.Radnev, N.V.Poroshin Setup for Fission and Evaporation Cross-Section Measurements in Reactions Induced by Secondary Beams NUCLEAR REACTIONS 209Bi(7Li, X), E=80 MeV; measured fission fragment spectra. 209Bi(6He, xn), E=50 MeV; measured Eα following residual nucleus decay.
doi: 10.1134/1.1611578
2003PE31 Nucl.Phys. A722, 170c (2003) Yu.E.Penionzhkevich, R.Kalpakchieva, S.M.Lukyanov Particle stability of very neutron-rich very light nuclei
doi: 10.1016/S0375-9474(03)01354-X
2002BO16 Yad.Fiz. 65, 635 (2002); Phys.Atomic Nuclei 65, 603 (2002) H.G.Bohlen, W.von Oertzen, A.Blazevic, B.Gebauer, S.M.Grimes, R.Kalpakchieva, T.N.Massey, S.Thummerer Structure Studies of 11Be and 12Be: Observation of molecular rotational bands NUCLEAR REACTIONS 9Be(14N, 12N), E=217.9 MeV; 9Be(13C, 11C), E=379 MeV; 9Be(15N, 13N), E=240 MeV; 12C(14C, 14O), E=336 MeV; 9Be(15N, 12N), E not given; measured excitation energy spectra. 11,12Be deduced level energies, possible J, π, rotational band features.
doi: 10.1134/1.1471258
2002KA73 Fiz.Elem.Chastits At.Yadra 33, 1247 (2002); Physics of Part.and Nuclei 33, 629 (2002) R.Kalpakchieva, Yu.E.Penionzhkevich Very Neutron-Rich Isotopes of Elements with 6 ≤ Z ≤ 10 NUCLEAR STRUCTURE 15,16,17,18,19,20,22C, 19,20,21,22,23N, 21,22,23,24,26,28O, 23,24,25,26,27,29,31F, 24,25,26,28,29,30,31,32,33,34,36,38,40Ne; analyzed experimental and theoretical results for levels, radii, transitions, binding energies, shell structure, related features.
2002KU34 Yad.Fiz. 65, 1609 (2002); Phys.Atomic Nuclei 65, 1569 (2002) I.V.Kuznetsov, E.Byalkowski, M.P.Ivanov, R.Kalpakchieva, A.Kugler, I.N.Kukhtina, V.F.Kushniruk, V.A.Maslov, L.Mikhailov, F.Negoita, Yu.E.Penionzhkevich, N.O.Poroshin, N.K.Skobelev, V.I.Smirnov, Yu.G.Sobolev, V.Yu.Ugryumov Total Cross Sections for 4, 6He + 28Si Reactions Measured at 10-28 MeV/A NUCLEAR REACTIONS 28Si(6He, X), (α, X), E=10-28 MeV; measured particle spectra, reaction σ; 28Si(6He, αX), E=10-28 MeV/nucleon; measured Eα, σ; deduced reaction mechanism features. Comparisons with previous results.
doi: 10.1134/1.1508688
2002PE03 Eur.Phys.J. A 13, 123 (2002) Yu.E.Penionzhkevich, Yu.A.Muzychka, S.M.Lukyanov, R.Kalpakchieva, N.K.Skobelev, V.P.Perelygin, Z.Dlouhy Fusion-Fission Reactions Induced by 6He-Ions NUCLEAR REACTIONS 209Bi(6He, F), (6He, 4n), (α, F), (α, xn), E* ≈ 25-70 MeV; measured σ; deduced Coulomb barrier features.
doi: 10.1140/epja1339-23
2002PE16 Yad.Fiz. 65, 1603 (2002); Phys.Atomic Nuclei 65, 1563 (2002) Yu.E.Penionzhkevich, Yu.A.Muzychka, S.M.Lukyanov, R.Kalpakchieva, N.K.Skobelev, V.P.Perelygin, Yu.G.Sobolev, L.V.Mikhailov, V.Yu.Ugryumov, J.Vincour, Z.Dlouhy, L.Kostov, Ya.Mrazek, N.O.Poroshin Above-Barrier Enhancement of Fusion in the 6He + 209Bi Nuclear Reaction NUCLEAR REACTIONS 209Bi(6He, F), (6He, 4n), E ≈ 30-70 MeV; measured σ; deduced fusion enhancement, Coulomb barrier features. Comparison with previous results and model predictions.
doi: 10.1134/1.1508687
2001BO35 Phys.Rev. C64, 024312 (2001) H.G.Bohlen, R.Kalpakchieva, A.Blazevic, B.Gebauer, T.N.Massey, W.von Oertzen, S.Thummerer Spectroscopy of 7He States using the (15N, 17F) Reaction on 9Be NUCLEAR REACTIONS 9Be, 12C, 16O(15N, 17F), E=240, 318.5 MeV; measured particle spectra, angular distributions. 7He deduced levels, J, π, resonance parameters. 10Be deduced levels, J, π.
doi: 10.1103/PhysRevC.64.024312
2000KA21 Eur.Phys.J. A 7, 451 (2000) R.Kalpakchieva, H.G.Bohlen, W.von Oertzen, B.Gebauer, M.von Lucke-Petsch, T.N.Massey, A.N.Ostrowski, Th.Stolla, M.Wilpert, Th.Wilpert Spectroscopy of 13B, 14B, 15B and 16B using Multi-Nucleon Transfer Reactions NUCLEAR REACTIONS 12,13,14C(14C, 12N), E ≈ 335 MeV; 12C(14C, 13N), (13C, 12N), E ≈ 335 MeV; 12C(15N, 14O), E=240 MeV; 16O(14C, 17F), E=334 MeV; measured excitation energy spectra, σ(θ). 13,16B deduced excited states. 14,15B deduced levels, J, π. 16B deduced mass excess.
doi: 10.1007/PL00013641
1999BO26 Prog.Part.Nucl.Phys. 42, 17 (1999) H.G.Bohlen, A.Blazevic, B.Gebauer, W.von Oertzen, S.Thummerer, R.Kalpakchieva, S.M.Grimes, T.N.Massey Spectroscopy of Exotic Nuclei with Multi-Nucleon Transfer Reactions NUCLEAR REACTIONS 9Be(15N, 17F), E=240 MeV; 9,10Be(14C, 14O), E ≈ 335 MeV; 10Be(12C, 14O), (12C, 12N), E=357 MeV; 12C(12C, 12N), E=357 MeV; 9Be, 12C(13C, 13N), E=379 MeV; 9Be(13C, 12N), E=336 MeV; measured residual nuclei spectra. 7,8,9,10He deduced levels, possible J, π. 10Li deduced levels, J, π, configurations. 11Be deduced molecular rotational band.
doi: 10.1016/S0146-6410(99)00056-3
1999DL01 J.Phys.(London) G25, 859 (1999) Z.Dlouhy, Yu.Penionzhkevich, R.Anne, D.Baiborodin, C.Borcea, A.Fomichev, D.Guillemaud-Mueller, R.Kalpakchieva, M.Lewitowicz, S.Lukyanov, A.C.Mueller, Yu.Oganessian, R.D.Page, A.Reed, M.G.Saint-Laurent, E.Sokol, N.Skobelev, O.Sorlin, O.Tarasov, V.Toneev, W.Trinder Dripline Nuclei Produced by Quasi-Fragmentation of the 32, 34, 36S Primary Beams NUCLEAR REACTIONS C, 181Ta(36S, X), E=75 MeV/nucleon; C, 197Au(32S, X), E=9.1, 16.1 MeV; measured Z=6-14 fragments isotopic production σ. 26,28O deduced particle instability. RADIOACTIVITY 26,27,29F, 27,28,29,30Ne, 30,31Na(β-) [from 36S fragmentation]; measured T1/2. Comparison with shell-model predictions, previous measurements.
doi: 10.1088/0954-3899/25/4/055
1999KA67 Fiz.Elem.Chastits At.Yadra 30, 1429 (1999); Phys.Part.Nucl. 30, 627 (1999) R.Kalpakchieva, Yu.E.Penionzhkevich, H.G.Bohlen Very Neutron-Rich Isotopes of Light Elements: Nuclear structure NUCLEAR STRUCTURE 6,7,8,9,10He, 10,11Li, 11,12,13,14Be, 14,15,16B; compiled, analyzed structure data.
1999KU33 Bull.Rus.Acad.Sci.Phys. 63, 791 (1999) I.V.Kuznetsov, M.I.Ivanov, R.Kalpakchieva, V.F.Kushniruk, S.M.Lukyanov, V.Z.Maidikov, V.A.Maslov, L.V.Mikhailov, Yu.E.Penionzhkevich, N.K.Skobelev, Yu.G.Sobolev, O.B.Tarasov, N.O.Poroshin, A.V.Shishkov, S.V.Lapushkin, Yu.B.Gurov Total Reaction Cross Sections at Interaction of 6Li, 7Be, 8B, and 12C Nuclei (5-20 MeV/Nucleon) with 28Si Nuclei NUCLEAR REACTIONS 28Si(6Li, X), (7Be, X), (8B, X), (12C, X), E=5-20 MeV/nucleon; measured total reaction σ. Search for break up effects in thenergy dependence of σ. Data from this article have been entered in the EXFOR database. For more information, access X4 datasetF1255. 1999LE37 Acta Phys.Pol. B30, 1441 (1999) A.Lepine-Szily, J.M.Oliveira, Jr., A.N.Ostrowski, H.G.Bohlen, R.Lichtenthaler, A.Blazevic, C.Borcea, V.Guimaraes, R.Kalpakchieva, V.Lapoux, M.MacCormick, F.Oliveira, W.von Oertzen, N.A.Orr, P.Roussel-Chomaz, Th.Stolla, J.S.Winfield Study of Excited Levels of the Unbound Nucleus 11N NUCLEAR REACTIONS 12C(14N, 15C), E=30 MeV/nucleon; measured particle spectrum. 11N deduced resonances, J, π. R-matrix calculations.
1998BE28 Nucl.Phys. A636, 419 (1998) A.V.Belozyorov, R.Kalpakchieva, Yu.E.Penionzhkevich, Z.Dlouhy, S.Piskor, J.Vincour, H.G.Bohlen, M.von Lucke-Petsch, A.N.Ostrowski, D.V.Alexandrov, E.Yu.Nikolsky, B.G.Novatsky, D.N.Stepanov Spectroscopy of 13Be NUCLEAR REACTIONS 14C(11B, 12N), E=190 MeV; measured excitation energy spectra. 13Be deduced levels, Q-value, mass excess. Magnetic spectrograph.
doi: 10.1016/S0375-9474(98)00217-6
1998BE63 Nucl.Instrum.Methods Phys.Res. A411, 343 (1998) A.V.Belozyorov, J.Vincour, S.Piskor, R.Kalpakchieva, Yu.E.Penionzhkevich, V.S.Salamatin, V.E.Zhuchko A Facility for the Study of Neutron-Rich Light Nuclei NUCLEAR REACTIONS 12C, 16O(11B, X), E=190 MeV; measured residuals charge, mass distributions. 12C, 16O(11B, 13N), E=190 MeV; measured excitation energy spectra. Broad range magnetic spectrograph.
doi: 10.1016/S0168-9002(98)00357-X
1998BO38 Nuovo Cim. 111A, 841 (1998) H.G.Bohlen, W.von Oertzen, R.Kalpakchieva, A.Blazevic, B.Gebauer, S.M.Grimes, A.Lepine-Szily, T.N.Massey, W.Mittig, A.N.Ostrowski, J.M.Oliveira, P.Roussel-Chomaz, S.Thummerer, M.Wilpert Nuclear Structure Studies of Bound and Unbound States in Drip-Line Nuclei NUCLEAR REACTIONS 9Be(15N, 17F), (15N, 14O), E=240 MeV; 10Be(12C, 12N), E=357 MeV; 9Be(13C, 12N), E=336.4 MeV; 9Be(13C, 11C), E=379 MeV; 12C(14N, 15C), E=426 MeV; measured particle spectra. 7He, 10Li, 11N deduced resonances, J, π. 11Be deduced molecular rotational band.
1998KA40 Fiz.Elem.Chastits At.Yadra 39, 832 (1998); Phys.Part.Nucl. 29, 341 (1998) R.Kalpakchieva, Yu.E.Penionzhkevich, H.G.Bohlen Very Neutron-Rich Isotopes of Light Elements. Nuclear Properties and Production NUCLEAR STRUCTURE Z=2-14; compiled, reviewed neutron-rich light nuclei properties, production techniques.
1998LE06 Phys.Rev.Lett. 80, 1601 (1998) A.Lepine-Szily, J.M.Oliveira, Jr., A.N.Ostrowski, H.G.Bohlen, R.Lichtenthaler, A.Blazevic, C.Borcea, V.Guimaraes, R.Kalpakchieva, V.Lapoux, M.MacCormick, F.Oliveira, W.von Oertzen, N.A.Orr, P.Roussel-Chomaz, Th.Stolla, J.S.Winfield Spectroscopy of the Unbound Nucleus 11N by the 12C(14N, 15C)11N Transfer Reaction NUCLEAR REACTIONS 12C(14N, 15C), E=30 MeV/nucleon; measured 15C energy spectrum. 11N deduced resonances E, Γ, J, π. High-precision magnetic spectrometer, tof.
doi: 10.1103/PhysRevLett.80.1601
1998TA05 Nucl.Phys. A629, 605 (1998) O.B.Tarasov, Yu.E.Penionzhkevich, R.Anne, D.S.Baiborodin, C.Borcea, Z.Dlouhy, D.Guillemaud-Mueller, A.S.Fomichev, R.Kalpakchieva, M.Lewitowicz, S.M.Lukyanov, V.Z.Maidikov, A.C.Mueller, Yu.Ts.Oganessian, M.G.Saint-Laurent, N.K.Skobelev, O.Sorlin, V.D.Toneev, W.Trinder Production of Nuclei in 32,34,36S-Induced Reactions in the Energy Range 6-75 MeV/A NUCLEAR REACTIONS, ICPND C, 197Au(32S, X), (34S, X), E=6-75 MeV/nucleon; 181Ta(36S, X), E=75 MeV/nucleon; measured fragments yields, σ(θ); deduced reaction mechanism features. Transfer reactions, projectile fragmentation.
doi: 10.1016/S0375-9474(97)00639-8
1997BO10 Nucl.Phys. A616, 254c (1997) H.G.Bohlen, W.von Oertzen, Th.Stolla, R.Kalpakchieva, B.Gebauer, M.Wilpert, Th.Wilpert, A.N.Ostrowski, S.M.Grimes, T.N.Massey Study of Weakly Bound and Unbound States of Exotic Nuclei with Binary Reactions NUCLEAR REACTIONS 10Be(12C, 12N), E=357 MeV; 9Be(13C, 12N), E=336.4 MeV; measured spectra. 10Li deduced resonance.
doi: 10.1016/S0375-9474(97)00096-1
1996ST29 Z.Phys. A356, 233 (1996) Th.Stolla, H.G.Bohlen, B.Gebauer, S.M.Grimes, R.Kalpakchieva, T.N.Massey, W.von Oertzen, A.N.Ostrowski, M.Wilpert, Th.Wilpert Spectroscopy of Excited States of 8He NUCLEAR REACTIONS 10Be(12C, 14O), E=357 MeV; 12C, 16O(12C, 14O), E=357 MeV; measured ejectile energy spectra. 8He deduced levels, Γ
doi: 10.1007/BF02769222
1995BO10 Nucl.Phys. A583, 775c (1995) H.G.Bohlen, B.Gebauer, Th.Kirchner, M.von Lucke-Petsch, W.von Oertzen, A.N.Ostrowski, Ch.Seyfert, Th.Stolla, M.Wilpert, Th.Wilpert, S.M.Grimes, T.N.Massey, R.Kalpakchieva, Y.E.Penionzhkevich, D.V.Alexandrov, I.Mukha, A.A.Ogloblin, C.Detraz Study of Light Neutron-Rich Nuclei with 14C-Induced Reactions NUCLEAR REACTIONS 2H, 6Li(14C, 13N), E=336 MeV; 10Be, 12,14C, 16O(14C, 14O), 14C(14C, 12N), E=336 MeV; measured particle spectra, σ(θ) in some cases. 10He deduced resonances, possible J, π, Γ. 14Be, 16B deduced levels.
doi: 10.1016/0375-9474(94)00757-E
1995BO15 Z.Phys. A351, 7 (1995) H.G.Bohlen, R.Kalpakchieva, D.V.Aleksandrov, B.Gebauer, S.M.Grimes, T.Kirchner, M.von Lucke-Petsch, T.N.Massey, I.Mukha, W.von Oertzen, A.A.Ogloblin, A.N.Ostrowski, C.Seyfert, T.Stolla, M.Wilpert, T.Wilpert Spectroscopy of Excited States of 11Li NUCLEAR REACTIONS 10Be(14C, 13N), E=334.4 MeV; 14C(14C, 17F), E=335.6 MeV; measured spectra. 11Li deduced resonances energy, Γ.
doi: 10.1007/BF01292778
1995PE03 Nucl.Phys. A583, 791c (1995) Yu.E.Penionzhkevich, E.A.Cherepanov, I.David, A.S.Fomichev, R.Kalpakchieva, S.M.Lukyanov, Yu.Ts.Oganessian, N.K.Skobelev, O.B.Tarasov, R.Wolski, Z.Dlouhy Investigation of the Elastic Scattering and Fission Reactions Induced by 6He Beam NUCLEAR REACTIONS, ICPND 208Pb(6He, 6He), E=5-10 MeV/nucleon; measured σ(elastic). 209Bi(6He, F), E(cm)=30-50 MeV; measured fission σ(E).
doi: 10.1016/0375-9474(94)00759-G
1995VO05 Nucl.Phys. A588, 129c (1995) W.von Oertzen, H.G.Bohlen, B.Gebauer, M.von Lucke-Petsch, A.N.Ostrowski, Ch.Seyfert, Th.Stolla, M.Wilpert, Th.Wilpert, D.V.Alexandrov, A.A.Korsheninnikov, I.Mukha, A.A.Ogloblin, R.Kalpakchieva, Y.E.Penionzhkevich, S.Piskor, S.M.Grimes, T.N.Massey Nuclear Structure Studies of Very Neutron-Rich Isotopes of 7-10He, 9-11Li and 12-14Be Via Two-Body Reactions NUCLEAR REACTIONS 6Li(14C, 13N), 12,14C(14C, 14O), (14C, 17F), E=335.9 MeV; 9Be(13C, 14O), (14C, 14O), E=337 MeV; 10Be(14C, 14O), (14C, 13N), E=334.4 MeV; measured residual nucleus spectra.
doi: 10.1016/0375-9474(95)00111-D
1994OS04 Phys.Lett. 338B, 13 (1994) A.N.Ostrowski, H.G.Bohlen, B.Gebauer, S.M.Grimes, R.Kalpakchieva, Th.Kirchner, T.N.Massey, W.von Oertzen, Th.Stolla, M.Wilpert, Th.Wilpert Spectroscopy of 10He NUCLEAR REACTIONS 10Be, 16O, 12C(14C, 14O), E=334.4 MeV; measured spectra. 10He deduced mass, mass excess, two-neutron separation energy, resonances, Γ, possible J, π.
doi: 10.1016/0370-2693(94)91336-6
1993BO03 Z.Phys. A344, 381 (1993) H.G.Bohlen, B.Gebauer, M.von Lucke-Petsch, W.von Oertzen, A.N.Ostrowski, M.Wilpert, Th.Wilpert, H.Lenske, D.V.Alexandrov, A.S.Demyanova, E.Nikolsky, A.A.Korsheninnikov, A.A.Ogloblin, R.Kalpakchieva, Y.E.Penionzhkevich, S.Piskor Solution of the 10Li-Puzzle. Mass and Excited States NUCLEAR REACTIONS 12C, 16O, 9Be(13C, 12N), E=379, 336 MeV; 12C(12C, 12N), E=358.4 MeV; 12C(13C, 13N), (13C, 12N), E=379.1 MeV; 13,12C(14C, 17F), E=337 MeV; measured spectra, Q, σ(θ) in some cases. 10Li deduced mass, levels, possible J, π, Γ.
doi: 10.1007/BF01283193
1992OS04 Z.Phys. A343, 489 (1992) A.N.Ostrowski, H.G.Bohlen, A.S.Demyanova, B.Gebauer, R.Kalpakchieva, Ch.Langner, H.Lenske, M.von Lucke-Petsch, W.von Oertzen, A.A.Ogloblin, Y.E.Penionzhkevich, M.Wilpert, Th.Wilpert Mass Spectroscopy of 13Be NUCLEAR REACTIONS 13C(14C, 14O), E=337 MeV; measured spectra; deduced Q. 13Be deduced mass excess, possible levels, J, π.
doi: 10.1007/BF01289828
1986BE35 Nucl.Phys. A460, 352 (1986) A.V.Belozyorov, C.Borcea, Z.Dlouhy, A.M.Kalinin, R.Kalpakchieva, Nguyen Hoai Chau, Yu.Ts.Oganessian, Yu.E.Penionzhkevich Search for 4H, 5H and 6H Nuclei in the 11B-Induced Reaction on 9Be NUCLEAR REACTIONS, MECPD 9Be(11B, 16O), E=54-80 MeV; 9Be(11B, 15O), E=58-70 MeV; 9Be(11B, 14O), E=52-58 MeV; measured σ(E(16O)), σ(E(15O)), σ(E(14O)). 4,6H deduced levels, Γ.
doi: 10.1016/0375-9474(86)90131-4
1984BO10 Nucl.Phys. A415, 169 (1984) C.Borcea, E.Gierlik, R.Kalpakchieva, Nguyen Hoai Chau, Yu.Ts.Oganessian, T.Pawlat, Yu.E.Penionzhkevich Angular and Energy Dependences of Emission Probability for Light Particles in 22Ne-Induced Reactions at 8 MeV/Nucleon NUCLEAR REACTIONS 181Ta(22Ne, X), E=178, 141, 116 MeV; measured σ (fragment θ, E) for X=p, d, t, 3He, 4He, 8He, 6Li, 7Li, 8Li, 9Be, 10Be. Moving source, rotating hot spot, massive transfer, breakup fusion model analyses.
doi: 10.1016/0375-9474(84)90605-5
1984TR05 Nucl.Instrum.Methods 221, 371 (1984) S.P.Tretyakova, C.Borcea, R.Kalpakchieva The Use of Cr-39 Plastic Detector for the Detection and Identification of Ions with 2 ≤ Z ≤ 5 NUCLEAR REACTIONS Ti(22Ne, X), E=178 MeV; measured production, track charateristics for X=α, 6He, 6,7,8,9Li, 7,9,10Be, 8,10,11,12,13B. Magnetic spectrometer, CR-39 plastic detectors.
doi: 10.1016/0167-5087(84)90008-5
1982BO35 Nucl.Phys. A391, 520 (1982) C.Borcea, E.Gierlik, A.M.Kalinin, R.Kalpakchieva, Yu.Ts.Oganessian, T.Pawlat, Yu.E.Penionzhkevich, A.V.Rykhlyuk Emission of High-Energy Charged Particles at 0° in Ne-Induced Reactions NUCLEAR REACTIONS 232Th, 181Ta, Ti(22Ne, X), E=178 MeV; Ti(20Ne, X), E=196 MeV; measured σ(θ(X), E(X)) for X=p, d, t, 3He, 4He, 6He, 8He, 6He, 6Li, 7Li, 8Li, 7Be, 10Be; deduced effective temperatures, reaction mechanism.
doi: 10.1016/0375-9474(82)90623-6
1982IT02 Yad.Fiz. 36, 824 (1982) M.G.Itkis, R.Kalpakchieva, V.N.Okolovich, Yu.E.Penionzhkevich, V.N.Tolstikov Influence of Excitation Energy and Angular Momentum on Characteristics of Fragments from Fission of Compound Nuclei 208Po and 210Po NUCLEAR REACTIONS 204,206,207Pb(3He, F), E=60 MeV; 192Os(16O, F), E=90, 110, 131 MeV; 198Pt(12C, F), E=86, 110.5 MeV; measured fission fragment yield, kinetic energy vs mass; deduced compound nuclear excitation, angular momentum role.
1982OG02 Pisma Zh.Eksp.Teor.Fiz. 36, 104 (1982); JETP Lett.(USSR) 36, 129 (1982) Yu.Ts.Oganesyan, Yu.E.Penionzhkevich, E.Gierlik, R.Kalpakchieva, T.Pawlat, C.Borcea, A.V.Belozerov, Yu.P.Kharitonov, S.P.Tretyakova, V.G.Subbotin, S.M.Lukyanov, N.V.Pronin, A.A.Bykov Experimental Search for 10He Nuclei in Heavy-Ion-Induced Reactions NUCLEAR REACTIONS 232Th(11B, α), (11B, 3He), (11B, 6He), (11B, 8He), (11B, X)10He, E=89 MeV; measured σ(θ) vs particle energy; deduced 10He production σ upper limit. Data from this article have been entered in the EXFOR database. For more information, access X4 datasetF1334. 1982OG03 Izv.Akad.Nauk SSSR, Ser.Fiz. 46, 2213 (1982) Yu.Ts.Oganesyan, Yu.E.Penionzhkevich, E.Gerlic, R.G.Kalpakchieva, K.Borcha, T.Pavlat, V.V.Kamanin Study of the Emission of Light Charged Particles NUCLEAR REACTIONS 232Th(22Ne, p), (22Ne, d), (22Ne, t), (22Ne, α), (22Ne, 3He), (22Ne, 8He), E=178 MeV; measured σ(θ, Ep), σ(θ, Ed), σ(θ, Et), σ(θ, Eα), σ(θ, E(3He)), σ(θ, E(8He)), γ-multiplicity; deduced 10He production σ upper limit.
1981BO05 Nucl.Phys. A351, 312 (1981) C.Borcea, E.Gierlik, R.Kalpakchieva, Yu.Ts.Oganessian, Yu.E.Penionzhkevich Alpha-Particle Energy Spectra Measured at Forward Angles in Heavy-Ion Induced Reactions NUCLEAR REACTIONS 159Tb, 181Ta, 197Au, 232Th(22Ne, α), E=178 MeV; 181Ta(20Ne, α), E=110, 196 MeV; 181Ta, 232Th(40Ar, α), E=220 MeV; measured σ(E, Eα, θα); deduced reaction mechanism. 159Tb, 181Ta, 197Au, 232Th deduced α emission, α binding energy correlation.
doi: 10.1016/0375-9474(81)90447-4
1980BO34 Izv.Akad.Nauk SSSR, Ser.Fiz. 44, 2234 (1980) K.Borcha, E.Gerlik, R.Kalpakchieva, Yu.Ts.Oganesyan, T.Pavlat, Yu.E.Penionzhkevich, K.D.Schilling, H.Bruchertseifer, E.Langrok Radiation Associated with High Energy α-Particle Escape in Heavy Ion Reactions NUCLEAR REACTIONS 197Au, 181Ta, 232Th(22Ne, α), E=178 MeV; 181Ta(20Ne, α), E=110, 196 MeV; measured σ(Eα, θ). Evaporation model analysis.
1980GI06 Z.Phys. A295, 295 (1980) E.Gierlik, A.M.Kalinin, R.Kalpakchieva, Y.T.Oganessian, Y.E.Penionzhkevich, Y.P.Kharitonov Measurements of the Maximum α-Particle Energy at Forward Angles in the Reaction 22Ne + 197Au NUCLEAR REACTIONS 197Au(22Ne, α), E=178 MeV; measured σ(Eα, θα); deduced reaction mechanism. Magnetic spectrometer, ΔE-E telescope.
doi: 10.1007/BF01412209
1980GI10 Yad.Fiz. 32, 45 (1980); Sov.J.Nucl.Phys. 32, 23 (1980) E.Gierlik, A.M.Kalinin, R.Kalpakchieva, Yu.Ts.Oganesyan, Yu.E.Penionzhkevich, V.I.Vakatov, T.S.Salamatina Study of α-Particle Emission in the Reaction 22Ne + 197Au NUCLEAR REACTIONS, Fission 197Au(22Ne, F), E=178 MeV; measured σ(Eα), σ(θα), α(fragment)-coin; deduced α production mechanism.
1979BO29 Yad.Fiz. 30, 593 (1979); Sov.J.Nucl.Phys. 30, 305 (1979) B.Bochev, S.Iliev, R.Kalpakchieva, S.A.Karamyan, T.Kutsarova, E.Nadzhakov, T.Venkova Feeding and Decay of High-Spin Levels of 156Er and 160Er in the Reactions 120,124Sn(40Ar, 4n) NUCLEAR REACTIONS 120,124Sn(40Ar, 4nγ), E=140-200 MeV; measured Eγ, Iγ, Doppler recoil, T1/2. 156,160Er deduced B(E2), yrast levels. Thick target.
1979DM03 Yad.Fiz. 30, 915 (1979); Sov.J.Nucl.Phys. 30, 475 (1979) V.D.Dmitriev, R.Kalpakchieva, Y.T.Oganesyan, Y.E.Penionzhkevich, G.V.Buklanov Study of Some Characteristics of α-Particle Fission of Transuranium Elements NUCLEAR REACTIONS 237Np, 238U, 242Pu, 243Am(α, F), E=24-36 MeV; measured (fragment)(fragment) energy correlation, fragment mass distribution; deduced potential energies for symmetrical, asymmetrical deformations. 247Bk deduced enhancement of symmetrical fission. Statistical analysis.
1977BO14 Nucl.Phys. A282, 159 (1977) B.Bochev, S.Iliev, R.Kalpakchieva, S.A.Karamian, T.Kutsarova, E.Nadjakov, T.Venkova Feeding and Lifetimes of Yrast Levels in Hf Nuclei NUCLEAR REACTIONS 122,124Sn(48Ti, 4n), (50Ti, 4n), E=195, 198 MeV; measured recoil distance, DSA, Iγ. 166,168,170Hf levels deduced T1/2, retardation factors in backbending region, quadrupole moment, deformation β, hed targets. Ge(Li) detectors.
doi: 10.1016/0375-9474(77)90177-4
1977KA15 Phys.Lett. 69B, 287 (1977) R.Kalpakchieva, Y.T.Oganessian, Y.E.Penionzhkevich, H.Sodan, B.A.Gvozdev The Mass Distributions of Fission Fragments in the Reaction 208Pb + 48Ca NUCLEAR REACTIONS 208Pb(48Ca, F), E=220 MeV; measured σ(A). 256No deduced shell effects.
doi: 10.1016/0370-2693(77)90547-0
1977KA18 Yad.Fiz. 26, 253 (1977); Sov.J.Nucl.Phys. 26, 131 (1977) R.Kalpakchieva, Y.T.Oganesyan, Y.E.Penionzhkevich, V.N.Polyanskii, H.Bruchertseifer, K.A.Gavrilov, Choi Val Sek Experimental Study of Fission of U and Th by 40,44,48Ca Ions NUCLEAR REACTIONS 238U, 232Th(48Ca, F), E=245 MeV; 238U(40Ca, F), E=218, 225, 229, 245, 306 MeV; 238U(44Ca, F), E=274 MeV; measured σ(A, Z), compound nucleus σ for production of 278,282,286112, 280110. Data from this article have been entered in the EXFOR database. For more information, access X4 datasetA0032. 1977KA22 Z.Phys. A283, 253 (1977) R.Kalpakchieva, Y.T.Oganessian, Y.E.Penionzhkevich, H.Sodan Asymmetric Mass Distribution from the Fusion- Fission Reaction 40Ar + 243Am NUCLEAR REACTIONS 243Am(40Ar, X), E=214, 222, 240, 300 MeV; measured total kinetic energy, σ(A).
doi: 10.1007/BF01407205
1976BO30 Yad.Fiz. 23, 929 (1976); Sov.J.Nucl.Phys. 23, 489 (1977) B.Bochev, S.Iliev, R.Kalpakchieva, S.A.Karamyan, T.Kutsarova Lifetimes of High-Spin Rotational States of the Isotope 164Yb, Measured by the Doppler-Effect Method in Recoil Nuclei NUCLEAR REACTIONS 128Te(40Ar, 4nγ), E=190 MeV; measured DSA. 164Yb levels deduced T1/2, side-feeding times, B(E2).
1972BO32 Yad.Fiz. 16, 633 (1972); Sov.J.Nucl.Phys. 16, 355 (1973) B.Bochev, S.A.Karamyan, T.Kutsarova, Y.Ukhrin, E.Nadzhakov, T.Venkova, R.Kalpakchieva Lifetimes of the Rotational Levels of Yb164 Measured by the Doppler Effect in the Recoil Nuclei NUCLEAR REACTIONS 128Te(40Ar, 4n); measured DSA. 164Yb level deduced T1/2, B(E2).
1972BO61 Phys.Scr. 6, 243 (1972) B.Bochev, S.A.Karamian, T.Kutsarova, E.Nadjakov, T.Venkova, R.Kalpakchieva Lifetimes of Rotational States in 164Yb and 162Yb NUCLEAR REACTIONS 126,128Te(40Ar, 4nγ); measured Doppler shift. 162,164Yb levels deduced T1/2.
doi: 10.1088/0031-8949/6/5-6/006
1971NA07 JINR-P6-5618 (1971) E.Nadjakov, B.Bochev, T.Venkova, V.Mikhailova, M.Mikhailov, T.Kutsarova, G.Radonov, R.Kalpakchieva New Wolfram Isotopes RADIOACTIVITY 170,171W; measured T1/2.
1971NA27 Izv.Akad.Nauk SSSR, Ser.Fiz. 35, 2202 (1971); Bull.Acad.Sci.USSR, Phys.Ser. 35, 1999 (1972) E.Nadzhakov, B.Bochev, T.Venkova, Z.Shcheglovski, T.Kutsarova, R.Kalpakchieva New Iridium Isotopes RADIOACTIVITY 179,180,181,182,183Ir[from 165Ho(Ne, xn)]; measured T1/2.
1971NA28 Izv.Akad.Nauk SSSR, Ser.Fiz. 35, 2207 (1971); Bull.Acad.Sci.USSR, Phys.Ser. 35, 2004 (1972) E.Nadzhakov, B.Bochev, T.Venkova, V.Mikhailova, M.Mikhailov, T.Kutsarova, G.Radonov, R.Kalpakchieva New Tungsten Isotopes RADIOACTIVITY 170,171,172,173W[from 155,156Gd(Ne, xn)]; measured T1/2. 170,172,173Ta, 170,171,173Hf; measured T1/2, Eγ, Iγ.
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