NSR Query Results
Output year order : Descending NSR database version of April 11, 2024. Search: Author = G.M.Ter-Akopyan Found 248 matches. Showing 1 to 100. [Next]2023BE18 Phys.Part. and Nucl.Lett. 20, 629 (2023) A.A.Bezbakh, S.G.Belogurov, V.Chudoba, A.S.Fomichev, A.V.Gorshkov, L.V.Grigorenko, G.Kaminski, M.S.Khirk, A.G.Knyazev, S.A.Krupko, B.Mauyey, I.A.Muzalevskii, E.Yu.Nikolskii, A.M.Quynh, P.G.Sharov, R.S.Slepnev, S.V.Stepantsov, G.M.Ter-Akopian, R.Wolski Detector Array for the 7H Nucleus Multi-Neutron Decay Study RADIOACTIVITY 7H(t) [from 2H(8He, 3He)7H, E=25 MeV/nucleon]; measured decay products, En, In, TOF; deduced the five-body decay. The radioactive beam line of ACCULINNA-2 separator in the G.N. Flerov Laboratory of Nuclear Reactions.
doi: 10.1134/S154747712304009X
2023BR07 Nucl.Phys. A1039, 122738 (2023) N.T.Brewer, E.H.Wang, W.A.Yzaguirre, J.H.Hamilton, K.Nomura, A.V.Ramayya, S.H.Liu, J.K.Hwang, B.M.Musangu, J.M.Eldridge, C.J.Zachary, Y.X.Luo, J.O.Rasmussen, S.J.Zhu, C.Goodin, G.M.Ter-Akopian, A.V.Daniel, Yu.Ts.Oganessian Octupole deformation in 143, 145, 146Ba RADIOACTIVITY 252Cf(SF); measured decay products, Eγ, Iγ. 143,145,146Ba; deduced γ-ray energies and relative intensities, partial level scheme, angular correlations, octupole bands, J, π, B(E1)/B(E2). Comparison with IBM and IBFM calculations.
doi: 10.1016/j.nuclphysa.2023.122738
2023NI06 Nucl.Instrum.Methods Phys.Res. B541, 121 (2023) E.Yu.Nikolskii, I.A.Muzalevskii, S.A.Krupko, A.A.Bezbakh, V.Chudoba, S.G.Belogurov, D.Biare, A.S.Fomichev, E.M.Gazeeva, A.V.Gorshkov, L.V.Grigorenko, G.Kaminski, M.Khirk, O.Kiselev, D.A.Kostyleva, M.Yu.Kozlov, B.Mauyey, I.Mukha, Yu.L.Parfenova, A.M.Quynh, V.N.Schetinin, A.Serikov, S.I.Sidorchuk, P.G.Sharov, R.S.Slepnev, S.V.Stepantsov, A.Swiercz, G.M.Ter-Akopian, R.Wolski, M.V.Zhukov Study of proton and deuteron pickup reactions (d, 3He), (d, 4He) with 8He and 10Be radioactive beams at ACCULINNA-2 fragment separator NUCLEAR REACTIONS 2H(10B, 3He), (10B, α), E=42 MeV/nucleon; measured reaction products. 6,7H; deduced excitation and missing mass spectra. Comparison with with Monte Carlo calculations. The ACCULINNA-2 fragment separator.
doi: 10.1016/j.nimb.2023.05.043
2023NI12 Phys.Atomic Nuclei 86, 923 (2023) E.Yu.Nikolskii, S.A.Krupko, I.A.Muzalevskii, A.A.Bezbakh, R.Wolski, C.Yuan, S.G.Belogurov, D.Biare, V.Chudoba, A.S.Fomichev, E.M.Gazeeva, M.S.Golovkov, A.V.Gorshkov, L.V.Grigorenko, G.Kaminski, M.Khirk, O.Kiselev, D.A.Kostyleva, B.Mauyey, I.Mukha, Yu.L.Parfenova, A.M.Quynh, S.I.Sidorchuk, P.G.Sharov, N.B.Shulgina, R.S.Slepnev, S.V.Stepantsov, A.Swiercz, G.M.Ter-Akopian Study of Proton and Deuteron Pickup Reactions 2H(10Be, 3He)9Li and 2H(10Be, α)8Li with 44 A MeV 10Be Radioactive Beam at ACCULINNA-2 Fragment Separator NUCLEAR REACTIONS 2H(10Be, 3He), (10Be, α), E=42 MeV/nucleon; measured reaction products; deduced σ(θ), J, π, spectroscopic factors, clustering. Comparison with the FRESCO calculations. The new fragment separator ACCULINNA-2, the Flerov Laboratory of Nuclear Reactions (JINR).
doi: 10.1134/S1063778824010381
2022NI08 Phys.Rev. C 105, 064605 (2022) E.Yu.Nikolskii, I.A.Muzalevskii, A.A.Bezbakh, V.Chudoba, S.A.Krupko, S.G.Belogurov, D.Biare, A.S.Fomichev, E.M.Gazeeva, A.V.Gorshkov, L.V.Grigorenko, G.Kaminski, M.Khirk, O.Kiselev, D.A.Kostyleva, M.Yu.Kozlov, B.Mauyey, I.Mukha, Yu.L.Parfenova, W.Piatek, A.M.Quynh, V.N.Schetinin, A.Serikov, S.I.Sidorchuk, P.G.Sharov, N.B.Shulgina, R.S.Slepnev, S.V.Stepantsov, A.Swiercz, P.Szymkiewicz, G.M.Ter-Akopian, R.Wolski, B.Zalewski, M.V.Zhukov 6H states studied in the 2H(8He, 4He) reaction and evidence of an extremely correlated character of the 5H ground state NUCLEAR REACTIONS 2H(8He, α)6H, E=26 MeV/nucleon, [secondary 8He beam produced in 9Be(11B, X), E=33.4 MeV/nucleon reaction, fragments separated using ACCULINNA-2 separator at FLNR-JINR-Dubna facility]; measured reaction products, Eα, Iα, neutrons, α(3H)-coin, α(3H)n-coin, angular distributions and TOF using ΔE-E-E telescopes of CsI(Tl) scintillators, position-sensitive chambers, and a neutron wall of 48 stilbene-crystal modules; analyzed resonance energy profiles and the momentum distributions of fragments of the sequential 6H to 5H(g.s.)+n to 3H+3n decay by direct four-body-decay and sequential-emission mechanisms; deduced missing mass spectrum, evidence for dineutron correlations in the decay of 5H g.s. 6H; deduced broad resonant states, widths, decay modes of resonances, energy distributions of 3H fragments and neutrons emitted by 6H states, differential cross section, no evidence for a 2.6-2.9 MeV resonance reported earlier; discussed energy of the ground state of 6H with no definite conclusion. Monte Carlo simulations. 2H(10Be, α)8Li, E=42 MeV/nucleon; reaction used for calibration of 6H spectrum.
doi: 10.1103/PhysRevC.105.064605
2021LU08 Int.J.Mod.Phys. E30, 2150037 (2021) Y.X.Luo, J.O.Rasmussen, J.H.Hamilton, A.V.Ramayya, E.H.Wang, S.Frauendorf, W.Y.Liang, C.F.Jiao, Q.Wu, H.L.Liu, F.R.Xu, Y.X.Liu, Y.Sun, J.K.Hwang, S.H.Liu, S.J.Zhu, N.T.Brewer, I.Y.Lee, G.M.Ter-Akopian, Yu.Oganessian, A.V.Daniel, R.Donangelo, W.C.Ma First observation of collective rotational bands in neutron-rich 142La and the study of octupole/triaxial deformations in 142, 143La RADIOACTIVITY 252Cf(SF); measured decay products, Eγ, Iγ, γ-g.-coin. 142,143La; deduced γ-ray energies and intensities, J, π, yrast band, octupole deformation parameter. TRS model calculations.
doi: 10.1142/S0218301321500373
2021MU04 Phys.Rev. C 103, 044313 (2021) I.A.Muzalevskii, A.A.Bezbakh, E.Yu.Nikolskii, V.Chudoba, S.A.Krupko, S.G.Belogurov, D.Biare, A.S.Fomichev, E.M.Gazeeva, A.V.Gorshkov, L.V.Grigorenko, G.Kaminski, O.Kiselev, D.A.Kostyleva, M.Yu.Kozlov, B.Mauyey, I.Mukha, Yu.L.Parfenova, W.Piatek, A.M.Quynh, V.N.Schetinin, A.Serikov, S.I.Sidorchuk, P.G.Sharov, N.B.Shulgina, R.S.Slepnev, S.V.Stepantsov, A.Swiercz, P.Szymkiewicz, G.M.Ter-Akopian, R.Wolski, B.Zalewski, M.V.Zhukov Resonant states in 7H: Experimental studies of the 2H(8He, 3He) reaction NUCLEAR REACTIONS 2H(8He, 3He)7H, E=26 MeV/nucleon; 2H(10Be, 3He)9Li, [secondary 8He and 10Be beams from 9Be(11B, X), E=33.4 MeV/nucleon, and 9Be(15N, X), E=49.7 MeV/nucleon, respectively, followed by fragment separation by ACCULINNA-2 fragment separator at the U-400M cyclotron of FLNR, JINR, Dubna]; measured recoil 3He particles, (3He)(3H)- and (3He)n-coin using two identical ΔE-E-E single-sided silicon-detector telescopes for 3He, a square array of 16 CsI(Tl) crystals for tritons from the decay of 7H, and a neutron spectrometer of 48 organic scintillator modules for the (10Be, 3He) reaction. 7H; deduced missing mass spectra, center-of-mass angular distributions, levels, resonances, J, π, widths. 9Li; deduced excitation spectrum. Comparison with previous experimental results. Angular distributions analyzed using DWBA/FRESCO calculations.
doi: 10.1103/PhysRevC.103.044313
2021MU09 Phys.Rev. C 104, 064318 (2021) B.M.Musangu, E.H.Wang, J.H.Hamilton, S.Jehangir, G.H.Bhat, J.A.Sheikh, S.Frauendorf, C.J.Zachary, J.M.Eldridge, A.V.Ramayya, A.C.Dai, F.R.Xu, J.O.Rasmussen, Y.X.Luo, G.M.Ter-Akopian, Yu.Ts.Oganessian, S.J.Zhu Chiral vibrations and collective bands in 104, 106Mo RADIOACTIVITY 252Cf(SF); measured Eγ, Iγ, multi-fold γγ-coin, γγ(θ) using Gammasphere array of 101 Ge detectors at Lawrence Berkeley National Laboratory (LBNL). 104,106Mo; deduced high-spin levels, J, π, rotational bands, chiral vibrational doublet bands, multipolarities, multipole mixing ratios. Comparison with Triaxial projected shell model (TPSM) calculations.
doi: 10.1103/PhysRevC.104.064318
2021WA19 Phys.Rev. C 103, 034301 (2021) E.H.Wang, J.H.Hamilton, A.V.Ramayya, C.J.Zachary, A.Lemasson, A.Navin, M.Rejmund, S.Bhattacharyya, Q.B.Chen, S.Q.Zhang, J.M.Eldridge, J.K.Hwang, N.T.Brewer, Y.X.Luo, J.O.Rasmussen, S.J.Zhu, G.M.Ter-Akopian, Yu.Ts.Oganessian, M.Caamano, E.Clement, O.Delaune, F.Farget, G.de France, B.Jacquot Pseudospin-doublet bands and Gallagher Moszkowski doublet bands in 100Y RADIOACTIVITY 252Cf(SF); measured Eγ, γγγ-, and γγγγ-coin using Gammasphere array at LBNL. 100Y; deduced levels, J, π, bands, configurations. NUCLEAR REACTIONS 9Be(238U, F)100Y, E=6.2 MeV/nucleon; measured Eγ, γγ-coin, A- and Z-gated γ spectra using VAMOS++ spectrometer and EXOGAM array at GANIL facility. 100Y; deduced high-spin levels, J, π, rotational bands, B(M1)/B(E2), configurations, moments of inertia plots. Comparison with particle-rotor model calculations. NUCLEAR STRUCTURE 100Y; calculated potential-energy surface in the (β2, γ) plane, levels, J, π, bands, in-band B(M1), B(E2), B(M1)/B(E2), rms components of the angular momentum versus spin. Constrained triaxial covariant density-functional theory (CDFT) and quantal particle rotor model (PRM) calculations. Comparison with experimental data.
doi: 10.1103/PhysRevC.103.034301
2021WA42 Nucl.Phys. A1015, 122281 (2021) E.H.Wang, N.T.Brewer, J.H.Hamilton, A.V.Ramayya, W.A.Yzaguirre, J.K.Hwang, S.H.Liu, Y.X.Luo, J.O.Rasmussen, S.J.Zhu, G.M.Ter-Akopian, Yu.Ts.Oganessian Coexistence of octupole deformation and beta and gamma vibrational bands in 148Ce RADIOACTIVITY 252Cf(SF); measured reaction products, Eγ, Iγ. 148Ce; deduced γ-ray energies and intensities, J, π, high-spin states, vibrartional bands, mixing ratios.
doi: 10.1016/j.nuclphysa.2021.122281
2020BE01 Phys.Rev.Lett. 124, 022502 (2020) A.A.Bezbakh, V.Chudoba, S.A.Krupko, S.G.Belogurov, D.Biare, A.S.Fomichev, E.M.Gazeeva, A.V.Gorshkov, L.V.Grigorenko, G.Kaminski, O.A.Kiselev, D.A.Kostyleva, M.Y.Kozlov, B.Mauyey, I.Mukha, I.A.Muzalevskii, E.Y.Nikolskii, Y.L.Parfenova, W.Piatek, A.M.Quynh, V.N.Schetinin, A.Serikov, S.I.Sidorchuk, P.G.Sharov, R.S.Slepnev, S.V.Stepantsov, A.Swiercz, P.Szymkiewicz, G.M.Ter-Akopian, R.Wolski, B.Zalewski, M.V.Zhukov Evidence for the First Excited State of 7H NUCLEAR REACTIONS 2H(8He, 3He)7H, E=26 MeV/nucleon; measured reaction products; deduced missing mass spectrum, σ(θ), level energies, J, π. Comparison with systematics.
doi: 10.1103/physrevlett.124.022502
2020BE13 Bull.Rus.Acad.Sci.Phys. 84, 491 (2020) A.A.Bezbakh, S.G.Belogurov, D.Biare, V.Chudoba, A.S.Fomichev, E.M.Gazeeva, M.S.Golovkov, A.V.Gorshkov, G.Kaminski, S.A.Krupko, B.Mauyey, I.A.Muzalevskii, E.Yu.Nikolskii, Yu.L.Parfenova, W.Piatek, A.M.Quynh, A.Serikov, S.I.Sidorchuk, P.G.Sharov, R.S.Slepnev, S.V.Stepantsov, A.Swiercz, P.Szymkiewicz, G.M.Ter-Akopian, R.Wolski, B.Zalewski Study of 10Li Low Energy Spectrum in the 2H(9Li, p) Reaction
doi: 10.3103/S1062873820040048
2020EL07 Phys.Rev. C 102, 044323 (2020) J.M.Eldridge, E.H.Wang, C.J.Zachary, J.H.Hamilton, B.M.Musangu, A.V.Ramayya, G.M.Ter-Akopian, Yu.Ts.Oganessian, Y.X.Luo, J.O.Rasmussen, S.J.Zhu Structure of 155Nd and 163Gd from 252Cf spontaneous fission RADIOACTIVITY 252Cf(SF); measured Eγ, Iγ, three- and four-fold γγ-coin using the Gammasphere array with 101 Ge detectors, located at LBNL at the time. 155Nd, 163Gd; deduced high-spin levels, J, π, bands, Nilsson configurations. Comparison with theoretical calculations. Systematics of level energies and bands in 153Nd, 155Nd and 155Sm.
doi: 10.1103/PhysRevC.102.044323
2020MU04 Phys.Rev. C 101, 034610 (2020) B.M.Musangu, A.H.Thibeault, T.H.Richards, E.H.Wang, J.H.Hamilton, C.J.Zachary, J.M.Eldridge, A.V.Ramayya, Y.X.Luo, J.O.Rasmussen, G.M.Ter-Akopian, Yu.Ts.Oganessian, S.J.Zhu Anomalous neutron yields confirmed for Ba-Mo and newly observed for Ce-Zr from spontaneous fission of 252Cf RADIOACTIVITY 252Cf(SF); measured Eγ, Iγ, three- and four-fold γγ-coin using the Gammasphere array at LBNL; deduced fission yield matrices and neutron multiplicity yields of Ba(A=138-148)-Mo(A=100-110), Pd(A=110-118)-Te(A=130-138), Nd(A=148-156)-Sr(A=91-100), and Ce(A=144-152)-Zr(A=96-104) pairs of isotopes using up-to-date level schemes of relevant nuclei, and cross-checking of energies of the γ-transitions in multiple isotopes, possible hyperdeformation and octupole deformation at scission giving rise to high neutron multiplicities.
doi: 10.1103/PhysRevC.101.034610
2020MU10 Bull.Rus.Acad.Sci.Phys. 84, 500 (2020) I.A.Muzalevskii, V.Chudoba, S.G.Belogurov, A.A.Bezbakh, D.Biare, A.S.Fomichev, S.A.Krupko, E.M.Gazeeva, M.S.Golovkov, A.V.Gorshkov, L.V.Grigorenko, G.Kaminski, O.Kiselev, D.A.Kostyleva, M.Yu.Kozlov, B.Mauyey, I.Mukha, E.Yu.Nikolskii, Yu.L.Parfenova, W.Piatek, A.M.Quynh, V.N.Schetinin, A.Serikov, S.I.Sidorchuk, P.G.Sharov, R.S.Slepnev, S.V.Stepantsov, A.Swiercz, P.Szymkiewicz, G.M.Ter-Akopian, R.Wolski, B.Zalewski Detection of the Low Energy Recoil 3He in the Reaction 2H(8He, 3He)7H
doi: 10.3103/S106287382004019X
2020TE02 Phys.Atomic Nuclei 83, 497 (2020) G.M.Ter-Akopian, Yu.Ts.Oganessian, A.A.Bezbakh, A.S.Fomichev, M.S.Golovkov, A.V.Gorshkov, S.A.Krupko, E.Yu.Nikolskii, S.I.Sidorchuk, S.V.Stepantsov, R.Wolski Radioactive-Ion Beams for the Fission Study of Heavy Neutron-Rich Nuclei NUCLEAR REACTIONS 238U, 244Pu, 248Cm, 249Bk, 249,250,251Cf, 254Es(9Li, X), (10Be, X), (11B, X), (13C, X), (14C, X), (16C, X), (15N, X), (19N, X), (18O, X), (20O, X), (22O, X), (21F, X), (22F, X), (22Ne, X), (24Ne, X), (26Ne, X), (26Mg, X), (30Mg, X), (36S, X), E=4-6 MeV/nucleon; analyzed available data; deduced opportunities with quasi-elastic, multi-nucleon transfer reactions induced by the radioactive-ion beams in the neighborhood of the recently discovered island of super-heavy elements and to the acquirement of new data specifying significant fission characteristics of the actinide nuclei appearing in the r-process nucleosythesis.
doi: 10.1134/S1063778820040195
2020ZH03 Phys.Rev.Lett. 124, 032501 (2020) S.J.Zhu, E.H.Wang, J.H.Hamilton, A.V.Ramayya, Y.X.Liu, N.T.Brewer, Y.X.Luo, J.O.Rasmussen, Z.G.Xiao, Y.Huang, G.M.Ter-Akopian, Ts.Oganessian Coexistence of Reflection Asymmetric and Symmetric Shapes in 144Ba RADIOACTIVITY 252Cf(SF); measured fission products, Eγ, Iγ, γ-γ-γ-coin. 144Ba; deduced γ-ray energies, J, π, high-spin states, quadrupole band structure.
doi: 10.1103/PhysRevLett.124.032501
2019CH29 Bull.Rus.Acad.Sci.Phys. 83, 392 (2019) V.Chudoba, L.V.Grigorenko, A.S.Fomichev, A.A.Bezbakh, I.A.Egorova, S.N.Ershov, A.V.Gorshkov, V.A.Gorshkov, G.Kaminski, S.A.Krupko, I.Mukha, E.Yu.Nikolskii, Yu.L.Parfenova, S.I.Sidorchuk, P.G.Sharov, R.S.Slepnev, L.Standylo, S.V.Stepantsov, G.M.Ter-Akopian, R.Wolski, M.V.Zhukov Detailed Study of External Correlations in the Low-Energy Spectrum of Beryllium-6
doi: 10.3103/S1062873819040142
2019FO14 Bull.Rus.Acad.Sci.Phys. 83, 385 (2019) A.S.Fomichev, A.A.Bezbakh, S.G.Belogurov, R.Wolski, E.M.Gazeeva, A.V.Gorshkov, L.V.Grigorenko, B.Zalewski, G.Kaminski, S.A.Krupko, I.A.Muzalevskii, E.Yu.Nikolskii, Yu.L.Parfenova, S.I.Sidorchuk, R.S.Slepnev, G.M.Ter-Akopian, V.Chudoba, P.G.Sharov The First Experiments with the New ACCULINNA-2 Fragment Separato
doi: 10.3103/S1062873819040105
2018BH07 Phys.Rev. C 98, 044316 (2018) S.Bhattacharyya, E.H.Wang, A.Navin, M.Rejmund, J.H.Hamilton, A.V.Ramayya, J.K.Hwang, A.Lemasson, A.V.Afanasjev, S.Bhattacharya, J.Ranger, M.Caamano, E.Clement, O.Delaune, F.Farget, G.de France, B.Jacquot, Y.X.Luo, Yu.Ts.Oganessian, J.O.Rasmussen, G.M.Ter-Akopian, S.J.Zhu Deformed band structures in neutron-rich 152-158Pm isotopes NUCLEAR REACTIONS 9Be(238U, F), E=6.2 MeV/nucleon; measured fission fragments, time of flight, Eγ, Iγ, γγ- and (fragment)γ-coin using the VAMOS++ magnetic spectrometer for fragment separation and the EXOGAM segmented Clover array for γ detection at GANIL. 152,153,154,155,156,157,158Pm; deduced high-spin levels, J, π, bands, alignment and staggering plots. 151Pm; measured γ spectrum in coincidence with fission fragments. Systematics of band structures in 151,153,155,157Pm. Comparison with previous experimental values and cranked Hartree-Bogoliubov calculations. RADIOACTIVITY 252Cf(SF); measured Eγ, Iγ, γ(θ), high-fold γγ-coin using Gammasphere array with 101 HPGe detectors at LBNL. 152,153,154,155,156,157,158Pm; deduced high-spin levels, bands.
doi: 10.1103/PhysRevC.98.044316
2018CH56 Phys.Rev. C 98, 054612 (2018) V.Chudoba, L.V.Grigorenko, A.S.Fomichev, A.A.Bezbakh, I.A.Egorova, S.N.Ershov, M.S.Golovkov, A.V.Gorshkov, V.A.Gorshkov, G.Kaminski, S.A.Krupko, I.Mukha, E.Yu.Nikolskii, Yu.L.Parfenova, S.I.Sidorchuk, P.G.Sharov, R.S.Slepnev, L.Standylo, S.V.Stepantsov, G.M.Ter-Akopian, R.Wolski, M.V.Zhukov Three-body correlations in direct reactions: Example of 6Be populated in the (p, n) reaction NUCLEAR REACTIONS 1H(6Li, 6Be), E=47 MeV/nucleon; measured Eα, Iα, E(p), I(p), αp- and pp-coin, p(θ) and α(θ), differential σ(E) of channels populating g.s. and first 2+ state in 6Be, angular kinetic energy distributions of 6Be decay using two annular telescopes of position-sensitive silicon detectors with CsI(Tl) crystal arrays for particle detection using the U-400M cyclotron and ACCULINNA facility at the FLNR-JINR facility. 6Be; deduced integral invariant mass spectrum, density matrix spin structure for the 2+ state, energy distributions for the α+p+p decay of the 6Be continuum. Monte Carlo simulations. Relevance to high-statistics few-body correlation data to extract detailed information on the reaction mechanism.
doi: 10.1103/PhysRevC.98.054612
2018EL01 Eur.Phys.J. A 54, 15 (2018) J.M.Eldridge, B.Fenker, J.H.Hamilton, C.Goodin, C.J.Zachary, E.Wang, A.V.Ramayya, A.V.Daniel, G.M.Ter-Akopian, Yu.Ts.Oganessian, Y.X.Luo, J.O.Rasmussen, S.J.Zhu E2/M1 mixing ratios in transitions from the gamma vibrational bands to the ground state rotational bands of 102, 104, 106, 108Mo, 108, 110, 112Ru, and 112, 114, 116Pd RADIOACTIVITY 252Cf(SF); measured fission fragments Eγ, Iγ(θ), γγ-coin using 101 HPGe GAMMASPHERE detectors; deduced 2+ excited states attenuation factors, g-factors. 102,104,106,108Mo;108,110,112Ru, 114,116Pd; deduced rotational bands, vibrational bands of selected fission fragments, B(E2), B(M1) using γγγ and higher coin using angular correlations, g-factors of 2+ states of the gs rotational band; calculated γ vibrational bands, gs rotational bands of selected, B(E2), B(M1), mixing ratios E2/M1.
doi: 10.1140/epja/i2018-12426-5
2018FO16 Eur.Phys.J. A 54, 97 (2018) A.S.Fomichev, L.V.Grigorenko, S.A.Krupko, S.V.Stepantsov, G.M.Ter-Akopian The ACCULINNA-2 project: The physics case and technical challenges
doi: 10.1140/epja/i2018-12528-0
2018WA19 Int.J.Mod.Phys. E27, 1850051 (2018) E.H.Wang, J.H.Hamilton, A.V.Ramayya, R.Han, C.J.Zachary, J.M.Eldridge, J.K.Hwang, N.T.Brewer, Y.X.Luo, J.O.Rasmussen, S.J.Zhu, G.M.Ter-Akopian, Yu.Ts.Oganessian New levels in spherical 96Y RADIOACTIVITY 252Cf(SF); measured decay products, Eγ, Iγ. 96Y; deduced γ-ray energies, J, π. Comparison with NUSHELLX code calculations.
doi: 10.1142/S0218301318500519
2017FR03 Int.J.Mod.Phys. E26, 1750030 (2017) H.Fryman-Sinkhorn, E.H.Wang, C.J.Zachary, J.H.Hamilton, A.V.Ramayya, G.H.Bhat, J.A.Sheikh, R.N.Ali, A.A.Wani, A.C.Dai, W.Y.Liang, F.R.Xu, J.K.Hwang, N.T.Brewer, Y.X.Luo, J.O.Rasmussen, S.J.Zhu, G.M.Ter-Akopian, Yu.Ts.Oganessian Possible very anharmonic one- and two-phonon γ-vibrational bands in 103Mo RADIOACTIVITY 252Cf(SF); measured decay products, Eγ, Iγ, γ-γ-coin. 103Mo; deduced γ-ray energies and intensities, J, π, γ-vibrational bands. Comparison with potential energy surface calculations.
doi: 10.1142/S0218301317500306
2017HU09 J.Phys.(London) G44, 095101 (2017) Y.Huang, S.J.Zhu, J.H.Hamilton, Y.J.Chen, E.H.Wang, A.V.Ramayya, Z.G.Xiao, H.J.Li, Y.X.Luo, J.O.Rasmussen, G.M.Ter-Akopian, Y.T.Oganessian Reinvestigation of s = ±i octupole bands in neutron-rich 141Xe RADIOACTIVITY 252Cf(SF); measured decay products, Eγ, Iγ. 141Xe; deduced high spin energy levels, J, π, multiplicity, B(E1)/B(E2). Comparison with shell model calculations, available data.
doi: 10.1088/1361-6471/aa8318
2017MA54 Phys.Rev. C 96, 034319 (2017), Erratum Phys.Rev. C 102, 029902 (2020) J.Marcellino, E.H.Wang, C.J.Zachary, J.H.Hamilton, A.V.Ramayya, G.H.Bhat, J.A.Sheikh, A.C.Dai, W.Y.Liang, F.R.Xu, J.K.Hwang, N.T.Brewer, Y.X.Luo, J.O.Rasmussen, S.J.Zhu, G.M.Ter-Akopian, Yu.Ts.Oganessian One- and two-phonon γ-vibrational bands in neutron-rich 107Mo RADIOACTIVITY 252Cf(SF); measured Eγ, Iγ, γγ-coin using Gammasphere array at LBNL, Berkeley. 107Mo; deduced levels, J, π, rotational and quasiparticle bands, triaxial deformation, configurations; calculated deformation from potential energy surface (PES) plot. Comparison with projected shell model calculations, and with systematics of levels in 103,104,105,106,107,108Mo.
doi: 10.1103/PhysRevC.96.034319
2017OG01 Phys.Scr. 92, 023003 (2017) Y.T.Oganessian, A.Sobiczewski, G.M.Ter-Akopian Superheavy nuclei: from predictions to discovery
doi: 10.1088/1402-4896/aa53c1
2017SH29 Phys.Rev. C 96, 025807 (2017) P.G.Sharov, A.S.Fomichev, A.A.Bezbakh, V.Chudoba, I.A.Egorova, M.S.Golovkov, T.A.Golubkova, A.V.Gorshkov, L.V.Grigorenko, G.Kaminski, A.G.Knyazev, S.A.Krupko, M.Mentel, E.Yu.Nikolskii, Yu.L.Parfenova, P.Pluchinski, S.A.Rymzhanova, S.I.Sidorchuk, R.S.Slepnev, S.V.Stepantsov, G.M.Ter-Akopian, R.Wolski Search for 2p decay of the first excited state of 17Ne NUCLEAR REACTIONS 1H(18Ne, d), E=35 MeV/nucleon, [18Ne secondary beam from 9Be(20Ne, X), E=53 MeV/nucleon primary reaction]; measured deuterons, dpp-coin, time-of-flight, energy loss, missing mass and excitation energy spectra of 17Ne at Flerov Laboratory of Nuclear Reactions at JINR-Dubna. 17Ne; deduced level, upper limit of 2p-decay branch (Γ2p/Γγ) of the first excited state of 17Ne and comparison with theoretical predictions.
doi: 10.1103/PhysRevC.96.025807
2017WA19 Phys.Rev. C 95, 064311 (2017); Erratum Phys.Rev. C 109, 019902 (2024) E.H.Wang, J.H.Hamilton, A.V.Ramayya, Y.X.Liu, H.J.Li, A.C.Dai, W.Y.Liang, F.R.Xu, J.K.Hwang, S.H.Liu, N.T.Brewer, Y.X.Luo, J.O.Rasmussen, Y.Sun, S.J.Zhu, G.M.Ter-Akopian, Yu.Ts.Oganessian Oblate deformation in neutron-rich 118, 119Ag RADIOACTIVITY 252Cf(SF); measured Eγ, Iγ, γγ-coin using Gammasphere array of 101 Ge detectors at LBNL-Berkeley. 118,119Ag; deduced high-spin levels, J, π, multipolarities, bands, configurations. Total Routhian surface and projected shell model calculation. Systematics of 7/2+ bands in 115,117,119Ag. Systematics of energy levels and staggering in negative-parity bands in A=104-118, odd-odd Ag isotopes.
doi: 110.1103/PhysRevC.95.064311
2017WA50 Eur.Phys.J. A 53, 234 (2017) E.H.Wang, W.Lewis, C.J.Zachary, J.H.Hamilton, A.V.Ramayya, J.K.Hwang, S.H.Liu, N.T.Brewer, Y.X.Luo, J.O.Rasmussen, S.J.Zhu, G.M.Ter-Akopian, Yu.Ts.Oganessian New levels and reinvestigation of octupole correlations in 146, 147La RADIOACTIVITY 252Cf(SF); 146,147La; measured fragments Eγ, Iγ, γγ-coin, triple and fourfold γ-coin using Gammasphere; deduced γ transitions, levels, J, π, T1/2, 3+ bands, angular momentum vs energy in different bands, B(E1)/B(E2) ratio, electron dipole strength of selected states. Bands in La compared with those in 143Cs.
doi: 10.1140/epja/i2017-12409-0
2016HU10 Phys.Rev. C 93, 064321 (2016) Y.Huang, S.J.Zhu, J.H.Hamilton, E.H.Wang, A.V.Ramayya, Z.G.Xiao, H.J.Li, Y.X.Luo, J.O.Rasmussen, G.M.Ter-Akopian, Yu.Ts.Oganessian Proposed s =±1 octupole bands in 140Xe RADIOACTIVITY 252Cf(SF); measured Eγ, Iγ, γγ-coin, γγ(θ) using Gammasphere array. 140Xe; deduced high-spin levels, J, π, s=+1 and s=-1 parity-doublet octupole bands, multipolarities, multipole mixing ratios, B(E1)/B(E2) ratios, octupole correlations, moments of inertia plots. Level systematics of 140Xe, 143Ba and 148Ce. 106,107,108,109,110Ru; observed γ rays.
doi: 10.1103/PhysRevC.93.064321
2016HU16 Int.J.Mod.Phys. E25, 1650064 (2016) Y.Huang, S.J.Zhu, J.H.Hamilton, A.V.Ramayya, E.H.Wang, Y.X.Liu, Y.Sun, J.K.Hwang, Z.G.Xiao, H.J.Li, Y.X.Luo, J.O.Rasmussen, G.M.Ter-Akopian, Yu.Ts.Oganessian Reinvestigation of two-phonon γ-vibrational band in neutron-rich 114Pd RADIOACTIVITY 252Cf(SF); measured decay products, Eγ.Iγ. 114Pd; deduced energy levels, level scheme, J, π, γ-bands. Comparison with theoretical calculations.
doi: 10.1142/S0218301316500646
2015TE07 Nucl.Phys. A944, 177 (2015) Searches for superheavy elements in nature: Cosmic-ray nuclei; spontaneous fission
doi: 10.1016/j.nuclphysa.2015.09.004
2015WA28 Phys.Rev. C 92, 034317 (2015); Erratum Phys.Rev. C 109, 029902 (2024) E.H.Wang, A.Lemasson, J.H.Hamilton, A.V.Ramayya, J.K.Hwang, J.M.Eldridge, A.Navin, M.Rejmund, S.Bhattacharyya, S.H.Liu, N.T.Brewer, Y.X.Luo, J.O.Rasmussen, H.L.Liu, H.Zhou, Y.X.Liu, H.J.Li, Y.Sun, F.R.Xu, S.J.Zhu, G.M.Ter-Akopian, Yu.Ts.Oganessian, M.Caamano, E.Clement, O.Delaune, F.Farget, G.de France, B.Jacquot Identification of new transitions and mass assignments of levels in 143-153Pr NUCLEAR REACTIONS 9Be(238U, F), E=6.2 MeV/nucleon; measured Eγ, Iγ, (fission fragment)γ-, γγ-coin using VAMOS++ spectrometer and EXOGAM array at GANIL. 143,144,145,146,147,148,149,150,151,152,153Pr; deduced levels, J, π, bands. Comparison with previous experimental data.
doi: 10.1103/PhysRevC.92.034317
2014KA20 Acta Phys.Pol. B45, 519 (2014) G.Kaminski, R.S.Slepnev, A.A.Bezbakh, V.Chudoba, A.S.Fomichev, M.S.Golovkov, A.V.Gorshkov, V.A.Gorshkov, A.N.Isadykov, D.M.Janseitov, S.A.Krupko, M.Mentel, P.Plucinski, S.V.Stepantsov, G.M.Ter-Akopian Neutron Detector Array Based on Stilbene Crystals for the ACCULINNA and ACCULINNA-2 Separators
doi: 10.5506/APhysPolB.45.519
2014LI46 Phys.Rev. C 90, 047303 (2014) H.J.Li, S.J.Zhu, J.H.Hamilton, E.H.Wang, A.V.Ramayya, Y.J.Chen, J.K.Hwang, J.Ranger, S.H.Liu, Z.G.Xiao, Y.Huang, Z.Zhang, Y.X.Luo, J.O.Rasmussen, I.Y.Lee, G.M.Ter-Akopian, Yu.Ts.Oganessian, W.C.Ma Reinvestigation of high spin states and proposed octupole correlations in 147Ce RADIOACTIVITY 252Cf(SF); measured Eγ, Iγ, triple- and four-fold γγ-coin using Gammasphere detector array at LBNL facility. 147Ce; deduced high-spin levels, bands, B(E1)/B(E2) ratios, octupole correlations. Comparison with reflection-asymmetric shell-model calculations. Systematics of octupole band structures in 145Ba, 147Ce, and 149Nd.
doi: 10.1103/PhysRevC.90.047303
2014LU07 Phys.Rev. C 89, 044326 (2014) Y.X.Luo, J.O.Rasmussen, J.H.Hamilton, A.V.Ramayya, E.Wang, Y.X.Liu, C.F.Jiao, W.Y.Liang, F.R.Xu, Y.Sun, S.Frauendorf, J.K.Hwang, S.H.Liu, S.J.Zhu, N.T.Brewer, I.Y.Lee, G.M.Ter-Akopian, Yu.Oganessian, R.Donangelo, W.C.Ma First observation of a rotational band and the role of the proton intruder orbital π 1/2+[431] in very neutron-rich odd-odd 106Nb RADIOACTIVITY 252Cf(SF); measured Eγ, Iγ, 3- and 4-fold γγ-coin, coincidences with γ rays from complementary A=142-144 La isotopes , fission yield ratio using Gammasphere array at LBNL. 104,106Nb; deduced high-spin levels, J, π, rotational bands, alignment and moments of inertia plots, configurations. Comparison with projected shell model calculations. Role of 1/2[431] proton intruder orbital, and shape evolution. NUCLEAR STRUCTURE 104,106Nb; calculated levels, J, π, potential energy surfaces (PES), configurations, alignments, moments of inertia. Projected shell model. Comparison with experimental data.
doi: 10.1103/PhysRevC.89.044326
2014WA53 Phys.Rev. C 90, 067306 (2014) E.H.Wang, J.H.Hamilton, A.V.Ramayya, J.K.Hwang, S.H.Liu, N.T.Brewer, Y.X.Luo, J.O.Rasmussen, S.J.Zhu, G.M.Ter-Akopian, Yu.Ts.Oganessian Identification of a possible proton two-quasiparticle band in 158Sm RADIOACTIVITY 252Cf(SF); measured Eγ, Iγ, γγ-coin using Gammasphere array at LBNL facility. 158Sm; deduced high-spin levels, J, π, bands, configuration, Comparison with projected shell model (PSM) calculations. Systematics of 2-quasiparticle bands in 156,158Sm, 156Nd.
doi: 10.1103/PhysRevC.90.067306
2013LI23 Phys.Rev. C 87, 057302 (2013) S.H.Liu, J.H.Hamilton, A.V.Ramayya, S.J.Zhu, Y.Shi, F.R.Xu, J.C.Batchelder, N.T.Brewer, J.K.Hwang, Y.X.Luo, J.O.Rasmussen, W.C.Ma, A.V.Daniel, G.M.Ter-Akopian, Yu.Ts.Oganessian New high-spin level scheme of neutron-rich 112Rh RADIOACTIVITY 252Cf(SF); measured Eγ, Iγ, γγ-coin using Gammasphere array. 112Rh; deduced high-spin levels, J, π, bands, triaxiality. Total Routhian surface calculations. Systematics of yrare bands in 112,114Rh.
doi: 10.1103/PhysRevC.87.057302
2013LI52 Phys.Rev. C 88, 054311 (2013) H.J.Li, S.J.Zhu, J.H.Hamilton, A.V.Ramayya, J.K.Hwang, Y.X.Liu, Y.Sun, Z.G.Xiao, E.H.Wang, J.M.Eldridge, Z.Zhang, Y.X.Luo, J.O.Rasmussen, I.Y.Lee, G.M.Ter-Akopian, A.V.Daniel, Yu.Ts.Oganessian, W.C.Ma Identification of multi-phonon γ-vibrational bands in odd-Z 105Nb RADIOACTIVITY 252Cf(SF); measured Eγ, Iγ, γγ-coin, three and four-fold γγ-coin using Gammasphere array at LBNL facility. 105Nb; deduced high-spin levels, J, π, multi-phonon γ-vibrational bands, alignment plots; calculated total Routhian surfaces (TRS) with cranked shell model. Comparison with triaxial projected shell model calculations. Systematics of level energies and bandhead energies for ground, one-phonon and two-phonon bands in 103,105Nb, 104,105,106,108Mo, 107,109Tc, 108,110,112,114Ru.
doi: 10.1103/PhysRevC.88.054311
2013SI09 Bull.Rus.Acad.Sci.Phys. 77, 355 (2013); Izv.Akad.Nauk RAS, Ser.Fiz 77, 398 (2013) S.I.Sidorchuk, A.A.Bezbakh, R.Wolski, M.S.Golovkov, A.V.Gorshkov, V.A.Gorshkov, L.V.Grigorenko, I.A.Egorova, G.Kaminski, S.A.Krupko, E.A.Kuzmin, E.Yu.Nikolskii, Yu.Ts.Oganessian, Yu.L.Parfenova, R.S.Slepnev, S.V.Stepantsov, G.M.Ter-Akopian, A.S.Fomichev, V.Chudoba, P.G.Sharov, P.Jaluvkova Correlation Investigations of the Low-Energy 10He Spectrum NUCLEAR REACTIONS 3H(8He, p), E=21.5 MeV/nucleon; measured reaction products, Ep, Ip; deduced missing mass spectrum, J, π of excited states. Comparison with available data.
doi: 10.3103/S1062873813040278
2012FO02 Phys.Lett. B 708, 6 (2012) A.S.Fomichev, V.Chudoba, I.A.Egorova, S.N.Ershov, M.S.Golovkov, A.V.Gorshkov, V.A.Gorshkov, L.V.Grigorenko, G.Kaminski, S.A.Krupko, I.G.Mukha, Yu.L.Parfenova, S.I.Sidorchuk, R.S.Slepnev, L.Standylo, S.V.Stepantsov, G.M.Ter-Akopian, R.Wolski, M.V.Zhukov Isovector soft dipole mode in 6Be NUCLEAR REACTIONS 1H(6Li, 6Be), E=47 MeV/nucleon; measured reaction products. 6Be; deduced σ(θ), J, π, population of continuum states by detecting α+p+p coincidences, negative parity states, isovector soft dipole mode associated with the 6Li ground state. Comparison with Monte-Carlo calculations.
doi: 10.1016/j.physletb.2012.01.004
2012FO24 J.Phys.:Conf.Ser. 337, 012025 (2012) A.S.Fomichev, G.M.Ter-Akopian, A.A.Bezbakh, V.Chudoba, A.V.Daniel, M.S.Golovkov, A.V.Gorshkov, V.A.Gorshkov, L.V.Grigorenko, G.Kaminski, S.A.Krupko, Y.Ts.Oganessian, Y.L.Parfenova, S.I.Sidorchuk, R.S.Slepnev, L.Standylo, S.V.Stepantsov, R.Wolski, S.N.Ershov, V.K.Lukyanov, B.V.Danilin, A.A.Korsheninnikov, V.Z.Goldberg, M.Pfutzner, I.G.Mukha, H.Simon, O.B.Tarasov, N.K.Timofeyuk, M.V.Zhukov Status of the ACCULINNA-2 project at FLNR
doi: 10.1088/1742-6596/337/1/012025
2012LU01 Nucl.Phys. A874, 32 (2012) Y.X.Luo, J.O.Rasmussen, C.S.Nelson, J.H.Hamilton, A.V.Ramayya, J.K.Hwang, S.H.Liu, C.Goodin, N.J.Stone, S.J.Zhu, N.T.Brewer, Ke Li, I.Y.Lee, G.M.Ter-Akopian, A.V.Daniel, M.A.Stoyer, R.Donangelo, W.C.Ma, J.D.Cole New high-spin level schemes and excitation modes of 117, 118, 119, 120, 122Cd RADIOACTIVITY 252Cf(SF); measured Eγ, Iγ, γγ-coin using Gammasphere array. 117,118,119,120,122Cd deduced levels, J, π, quasi-rotational bands, configurations, B(E1), B(E2), angular correlations of γ in cascade; calculated yrast bands, B(E1), B(E2), deformation, triaxiality using various models and total Routhian surface, deformations, triaxiality.
doi: 10.1016/j.nuclphysa.2011.11.001
2012SI07 Phys.Rev.Lett. 108, 202502 (2012) S.I.Sidorchuk, A.A.Bezbakh, V.Chudoba, I.A.Egorova, A.S.Fomichev, M.S.Golovkov, A.V.Gorshkov, V.A.Gorshkov, L.V.Grigorenko, P.Jaluvkova, G.Kaminski, S.A.Krupko, E.A.Kuzmin, E.Yu.Nikolskii, Yu.Ts.Oganessian, Yu.L.Parfenova, P.G.Sharov, R.S.Slepnev, S.V.Stepantsov, G.M.Ter-Akopian, R.Wolski, A.A.Yukhimchuk, S.V.Filchagin, A.A.Kirdyashkin, I.P.Maksimkin, O.P.Vikhlyantsev Structure of 10He Low-Lying States Uncovered by Correlations NUCLEAR REACTIONS 3H(8He, p), E=21.5 MeV/nucleon; measured reaction products, Ep, Ip. 10He; deduced σ, ground and low-lying state energies, J, π, resonance width. Comparison with available data.
doi: 10.1103/PhysRevLett.108.202502
2012TE04 Bull.Rus.Acad.Sci.Phys. 76, 1172 (2012); Izv.Akad.Nauk RAS, Ser.Fiz 76, 1311 (2012) G.M.Ter-Akopian, A.A.Bezbakh, R.Wolski, M.S.Golovkov, A.V.Gorshkov, V.A.Gorshkov, L.V.Grigorenko, I.A.Egorova, G.Kaminski, S.A.Krupko Research program for the radioactive beams of the ACCULINNA-2 separator
doi: 10.3103/S1062873812110226
2011FO08 Int.J.Mod.Phys. E20, 1491 (2011) A.S.Fomichev, I.G.Mukha, S.V.Stepantsov, L.V.Grigorenko, E.V.Litvinova, V.Chudoba, I.A.Egorova, M.S.Golovkov, A.V.Gorshkov, V.A.Gorshkov, G.Kaminski, S.A.Krupko, Yu.L.Parfenova, S.I.Sidorchuk, R.S.Slepnev, G.M.Ter-Akopian, R.Wolski, M.V.Zhukov Lifetime of 26S and a limit for its 2p decay energy NUCLEAR STRUCTURE 24,26S, 25P; calculated ground state function width, T1/2, energies and charge radii, pairing gap. RMF approach, three-cluster decay model. RADIOACTIVITY 25P(p), 26S(2p) [from Be(32S, X)26S/25P, E=50.3 MeV/nucleon]; measured reaction products, TOF, Ep, Ip; deduced yields, T1/2 limits. Comparison with other data.
doi: 10.1142/S0218301311018216
2011LI25 Phys.Rev. C 83, 064310 (2011) S.H.Liu, J.H.Hamilton, A.V.Ramayya, Y.S.Chen, Z.C.Gao, S.J.Zhu, L.Gu, E.Y.Yeoh, N.T.Brewer, J.K.Hwang, Y.X.Luo, J.O.Rasmussen, W.C.Ma, J.C.Batchelder, A.V.Daniel, G.M.Ter-Akopian, Yu.Ts.Oganessian, A.Gelberg Signature inversion in odd-odd 114Rh: First identification of high-spin states in very neutron-rich 114Rh and application of the triaxial projected shell model RADIOACTIVITY 252Cf(SF); measured Eγ, Iγ, γγ-coin, fission yields ratios using the Gammasphere array. 114Rh; deduced levels, J, π, rotational bands, signature inversion, configurations. Comparison with Triaxial Projected Shell Model calculations. Systematics of negative-parity yrast bands of odd-odd Rh nuclei with A=104-114.
doi: 10.1103/PhysRevC.83.064310
2011LI29 Phys.Rev. C 84, 014304 (2011) S.H.Liu, J.H.Hamilton, A.V.Ramayya, A.Gelberg, L.Gu, E.Y.Yeoh, S.J.Zhu, N.T.Brewer, J.K.Hwang, Y.X.Luo, J.O.Rasmussen, W.C.Ma, A.V.Daniel, Yu.Ts.Oganessian, G.M.Ter-Akopian High-spin level structure of 115Rh: Evolution of triaxiality in odd-even Rh isotopes RADIOACTIVITY 252Cf(SF); measured Eγ, Iγ, γγ-coin using Gammasphere array. 115Rh; deduced levels, J, π, bands, moment of inertia, signature splitting, fission yield ratios. Comparison with Rotor plus particle model calculations. Systematics of level energies, signature splittings and moments of inertia plots of 107,109,111,113,115Rh nuclei.
doi: 10.1103/PhysRevC.84.014304
2011LI34 Int.J.Mod.Phys. E20, 1825 (2011) K.Li, H.Hamilton, A.V.Ramayya, S.H.Liu, X.Q.Zhang, N.T.Brewer, J.K.Hwang, C.Goodin, S.J.Zhu, Y.X.Luo, J.O.Rasmussen, I.Y.Lee, S.C.Wu, R.Donangelo, A.V.Daniel, G.M.Ter-Akopian, Yu.Ts.Oganessian, A.Unzhakova, J.D.Cole, W.C.Ma, M.A.Stoyer Identification of high-spin states in neutron-rich 89, 90, 92Kr and 86Se RADIOACTIVITY 252Cf(SF); measured decay products, Eγ, Iγ, γ-γ-γ-coin. 88,90,92Kr, 86Se; deduced level schemes, energies, J, π. Comparison with nuclear systematics and angular correlation measurements.
doi: 10.1142/S0218301311019635
2011LI41 Phys.Rev. C 84, 044303 (2011) S.H.Liu, J.H.Hamilton, A.V.Ramayya, Y.Shi, F.R.Xu, S.J.Zhu, E.Y.Yeoh, J.C.Batchelder, N.T.Brewer, J.K.Hwang, Y.X.Luo, J.O.Rasmussen, W.C.Ma, A.V.Daniel, G.M.Ter-Akopian, Yu.Ts.Oganessian First identification of high-spin states in the odd-odd neutron-rich nucleus 152Pr RADIOACTIVITY 252Cf(SF); measured Eγ, Iγ, γγ-coin, γγ(θ) using GAMMASPHERE array. 152Pr; deduced levels, J, π, bands, conversion coefficients, multipolarity, configurations. 96,97,98,99Y, 149Ce, 151,153Pr; measured Eγ. Systematics of quasi-neutron states in 151Ce, 153Nd, 155Sm, 157Gd, 159Dy, 161Er. Comparison with total Routhian surface (TRS) calculations.
doi: 10.1103/PhysRevC.84.044303
2010HA16 Nucl.Phys. A834, 28c (2010) J.H.Hamilton, S.J.Zhu, Y.X.Luo, A.V.Ramayya, S.Frauendorf, J.O.Rasmussen, J.K.Hwang, S.H.Liu, G.M.Ter-Akopian, A.V.Daniel, Y.Oganessian Super deformation to maximum triaxiality in A=100-112; superdeformation, chiral bands and wobbling motion RADIOACTIVITY 112Ru(IT) [from 252Cf(SF)]; measured Eγ, Iγ, γγ-coin; deduced wobbling bands. Comparison with systematics in adjacent nuclei.
doi: 10.1016/j.nuclphysa.2009.12.010
2010LI03 Phys.Rev. C 81, 014316 (2010) S.H.Liu, J.H.Hamilton, A.V.Ramayya, A.Covello, A.Gargano, N.Itaco, N.J.Stone, A.V.Daniel, J.K.Hwang, Y.X.Luo, J.O.Rasmussen, G.M.Ter-Akopian, S.J.Zhu, W.C.Ma g-factor and spin-parity assignments of excited states in the N=83 isotones 135Te, 136I, 137Xe, and 138Cs RADIOACTIVITY 252Cf(SF); measured Eγ, Iγ, γγ-coin, γγ(θ) using Gammasphere array. 135Te, 136I, 137Xe, 138Cs; deduced levels, J, π. Comparison with shell model calculations. NUCLEAR MOMENTS 137Xe; measured g factor of a 15/2- state using integral perturbed angular correlation (IPAC) technique.
doi: 10.1103/PhysRevC.81.014316
2010LI10 Phys.Rev. C 81, 037302 (2010) S.H.Liu, J.H.Hamilton, A.V.Ramayya, Y.X.Luo, J.O.Rasmussen, J.K.Hwang, A.V.Daniel, G.M.Ter-Akopian, S.J.Zhu, W.C.Ma Nuclear structure of the odd-odd N=85 neutron-rich nucleus 140Cs RADIOACTIVITY 252Cf(SF); measured Eγ, Iγ, γγ-coin, γγ(θ) using Gammasphere array. 140Cs; deduced levels, J, π, configurations. 107,108,109,110Tc; measured Eγ. Comparison with level structure of 138I and with systematics of N=85 isotones of 137Te, 138I, 139Xe, 140Cs, 141Ba, 145Nd, 146Pm, 147Sm, 148Eu and 149Gd.
doi: 10.1103/PhysRevC.81.037302
2010LI14 Phys.Rev. C 81, 057304 (2010) S.H.Liu, J.H.Hamilton, A.V.Ramayya, Y.X.Luo, J.O.Rasmussen, J.K.Hwang, S.J.Zhu, W.C.Ma, A.V.Daniel, G.M.Ter-Akopian Evidence for octupole excitations in the odd-odd neutron-rich nucleus 142Cs RADIOACTIVITY 252Cf(SF); measured Eγ, Iγ, γγ-coin, γγ(θ). 142Cs; deduced levels, J, π, multipolarity, bands, B(E1), B(E2), electric dipole moments. 106,107Tc; measured Eγ. Systematics of electric dipole moments for Xe (N=85-88), Cs (N=86-88), Ba (N=85-90), La (N=88, 90), Ce (N=86, 88, 90), Nd (N=86, 88, 90), Sm( N=86, 88).
doi: 10.1103/PhysRevC.81.057304
2010LI24 Nucl.Phys. A834, 78c (2010) S.H.Liu, J.H.Hamilton, A.V.Ramayya, A.Covello, A.Gargano, N.Itaco, Y.X.Luo, J.O.Rasmussen, J.K.Hwang, A.V.Daniel, G.M.Ter-Akopian, S.J.Zhu, W.C.Ma High spin structure of the neutron-rich 139, 142Cs nuclei RADIOACTIVITY 252Cf(SF); measured Eγ, Iγ(θ), γγ-coin. 139,142Cs; deduced high-spin states, levels, J, π, bands, ICC, δ. 139Cs calculated levels, J, π, δ using shell model.
doi: 10.1016/j.nuclphysa.2010.01.023
2010LU02 Nucl.Phys. A838, 1 (2010) Y.X.Luo, J.O.Rasmussen, J.H.Hamilton, A.V.Ramayya, S.H.Liu, E.F.Jones, P.M.Gore, C.Goodin, N.J.Stone, S.J.Zhu, J.K.Hwang, Ke Li, H.L.Crowell, I.Y.Lee, G.M.Ter-Akopian, A.V.Daniel, M.A.Stoyer, R.Donangelo, W.C.Ma, J.D.Cole Octupole excitations in 141, 144Cs and the pronounced decrease of dipole moments with neutron number in odd-Z neutron-rich 141, 143, 144Cs RADIOACTIVITY 252Cf(SF); measured Eγ, Iγ, γγ-coin, γγ(θ) using Gammasphere. 141,144Cs; deduced levels, J, p, conversion coefficients, multipolarities, bands, parity doublets, simplex structure, B(E1)/B(E2), dipole moment. Comparison with level structure of 143Cs and with systematics of adjacent N=85-92 nuclei. 105,106,107,108Tc; measured Eγ.
doi: 10.1016/j.nuclphysa.2010.03.003
2010MI01 Acta Phys.Pol. B41, 449 (2010) S.Mianowski, H.Czyrkowski, R.Dabrowski, W.Dominik, Z.Janas, K.Miernik, M.Pfutzner, A.S.Fomichev, M.S.Golovkov, L.V.Grigorenko, S.A.Krupko, S.I.Sidorchuk, R.S.Slepnev, S.V.Stepantsov, G.M.Ter-Akopian Imaging the Decay of 8He RADIOACTIVITY 8He(β-) [from C(11B, X)8He, E=33 MeV/nucleon];measured recoils, β-delayed decays, Eα, Iα, It, Et, In, En; deduced feasibility of β-decay studies of 8He.
2010NI10 Phys.Rev. C 81, 064606 (2010) E.Yu.Nikolskii, A.A.Korsheninnikov, H.Otsu, H.Suzuki, K.Yoneda, H.Baba, K.Yamada, Y.Kondo, N.Aoi, A.S.Denikin, M.S.Golovkov, A.S.Fomichev, S.A.Krupko, M.Kurokawa, E.A.Kuzmin, I.Martel, W.Mittig, T.Motobayashi, T.Nakamura, M.Niikura, S.Nishimura, A.A.Ogloblin, P.Roussel-Chomaz, A.Sanchez-Benitez, Y.Satou, S.I.Sidorchuk, T.Suda, S.Takeuchi, K.Tanaka, G.M.Ter-Akopian, Y.Togano, M.Yamaguchi Search for 7H in 2H+8He collisions NUCLEAR REACTIONS 2H(8He, 3He)7H, E=42 MeV/nucleon; 2H(12Be, 3He)11Li, E=71 MeV/nucleon; measured 3He spectra; deduced missing-mass spectra of 7H. Search for 7H. Comparison with DWBA calculations.
doi: 10.1103/PhysRevC.81.064606
2010SI08 Bull.Rus.Acad.Sci.Phys. 74, 437 (2010); Izv.Akad.Nauk RAS, Ser.Fiz 74, 473 (2010) S.I.Sidorchuk, R.Wolski, M.S.Golovkov, V.A.Gorshkov, L.V.Grigorenko, S.A.Krupko, Yu.Ts.Oganessian, A.M.Rodin, R.S.Slepnev, S.V.Stepantsov, G.M.Ter-Akopian, A.S.Fomichev Investigation of the 6He structure in quasi free scattering reactions NUCLEAR REACTIONS 4He(6He, 2α), (6He, αt), E=25 MeV/nucleon; measured reaction products; deduced momentum correlations for quasi-free scattering, σ, cluster structures.
doi: 10.3103/S1062873810040039
2010SI23 Nucl.Phys. A840, 1 (2010) S.I.Sidorchuk, A.S.Fomichev, M.S.Golovkov, L.V.Grigorenko, V.A.Gorshkov, A.V.Gorshkov, S.A.Krupko, Yu.Ts.Oganessian, A.M.Rodin, R.S.Slepnev, S.V.Stepantsov, G.M.Ter-Akopian, R.Wolski, A.A.Korsheninnikov, E.Yu.Nikolskii, P.Roussel-Chomaz, W.Mittig Study of the 6He structure in the reaction of quasifree scattering 4He(6He, 2α) NUCLEAR REACTIONS 4He(6He, 2α), E=25 MeV/nucleon; measured Eα, Iα, αα-coin; deduced σ, σ(θ), neutron momentum spectrum and reaction mechanism features. Monte-Carlo simulation and PWIA of quasi-free scattering. Secondary radioactive beam.
doi: 10.1016/j.nuclphysa.2010.04.002
2009CH29 Acta Phys.Pol. B40, 899 (2009) V.Chudoba, A.S.Fomichev, M.S.Golovkov, V.A.Gorshkov, S.A.Krupko, Yu.Ts.Oganessian, A.M.Rodin, S.I.Sidorchuk, R.S.Slepnev, S.V.Stepantsov, G.M.Ter-Akopian, R.Wolski, D.Pang, A.A.Korsheninnikov, E.A.Kuzmin, E.Yu.Nikolskii, B.G.Novatskii, D.N.Stepanov, P.Roussel-Chomaz, W.Mittig, A.Ninane, F.Hanappe, L.Stuttge, A.A.Yukhimchuk, Yu.I.Vinogradov, V.V.Perevozchikov, S.K.Grishechkin Low-Energy Spectra of 8He and 10He Studied in (t, p) Type Reactions in Inverse Kinematics NUCLEAR REACTIONS 3H(6He, p), 3H(8He, p), E=25 MeV; measured mass spectrum; deduced J, π, level energies.
2009FO09 Eur.Phys.J. A 42, 465 (2009) A.S.Fomichev, L.V.Grigorenko, M.S.Golovkov, G.M.Ter-Akopian, Yu.Ts.Oganessian, V.A.Gorshkov, S.A.Krupko, A.M.Rodin, S.I.Sidorchuk, R.S.Slepnev, S.V.Stepantsov, R.Wolski, V.Chudoba, A.A.Korsheninnikov, E.A.Kuzmin, E.Yu.Nikolskii, B.G.Novatskii, D.N.Stepanov, P.Roussel-Chomaz, W.Mittig, D.Pang, A.Ninane, F.Hanappe, L.Stuttge, A.A.Yukhimchuk, V.V.Perevozchikov, Yu.I.Vinogradov, S.K.Grishechkin, S.V.Zlatoustovskiy Properties of very n -rich He isotopes NUCLEAR REACTIONS 3H(6He, p), (8He, p), E=25, 27.4 MeV/nucleon; 6,8He; measured reaction products; deduced missing mass spectra, resonance J, π, energy, yields. Comparison with other results.
doi: 10.1140/epja/i2008-10739-6
2009GO01 Phys.Lett. B 672, 22 (2009) M.S.Golovkov, L.V.Grigorenko, G.M.Ter-Akopian, A.S.Fomichev, Yu.Ts.Oganessian, V.A.Gorshkov, S.A.Krupko, A.M.Rodin, S.I.Sidorchuk, R.S.Slepnev, S.V.Stepantsov, R.Wolski, D.Y.Pang, V.Chudoba, A.A.Korsheninnikov, E.A.Kuzmin, E.Yu.Nikolskii, B.G.Novatskii, D.N.Stepanov, P.Roussel-Chomaz, W.Mittig, A.Ninane, F.Hanappe, L.Stuttge, A.A.Yukhimchuk, V.V.Perevozchikov, Yu.I.Vinogradov, S.K.Grishechkin, S.V.Zlatoustovskiy The 8He and 10He spectra studied in the (t, p) reaction NUCLEAR REACTIONS 3H(6He, p), E=25 MeV/nucleon; 3H(8He, p), E=27.4 MeV/nucleon; measured fragment, proton energies, (fragment)(proton)-coin and missing mass spectra; deduced σ. 6,8He deduced ground state energies, E1 strength distribution. Comparison with other data and calculations. Secondary radioactive beam.
doi: 10.1016/j.physletb.2008.12.052
2009GO09 Phys.Rev. C 79, 034316 (2009) C.Goodin, J.R.Stone, N.J.Stone, A.V.Ramayya, A.V.Daniel, J.H.Hamilton, K.Li, J.K.Hwang, G.M.Ter-Akopian, J.O.Rasmussen g factors of first 2+ states of neutron-rich Xe, Ba, and Ce isotopes NUCLEAR MOMENTS 140,142Xe, 146Ba, 146,148Ce; measured g factors of first 2+ states by integral perturbed angular correlation (IPAC) method. 130,132,134,136,138,140,142Xe, 130,132,134,136,138,140,142,144,146Ba, 140,142,146,148Ce, 148,150Nd, 152,154Sm, 154,156,158,160Gd, 160,162,164Dy; systematics of experimental and theoretical g factors and ratio of proton to neutron holes outside the nearest closed shell. Comparison with interacting boson model-2 and rotation-vibration model calculations. 146Ba, 146,148Ce; deduced ratio of neutron to proton deformation. RADIOACTIVITY 252Cf(SF); measured Eγ, (particle)γ-, γγ-coin, attenuated γγ(θ). 136,140,142Xe, 142,146Ba, 146,148Ce; deduced levels, J, g factors.
doi: 10.1103/PhysRevC.79.034316
2009GR03 Phys.Part. and Nucl.Lett. 6, 118 (2009) L.V.Grigorenko, M.S.Golovkov, G.M.Ter-Akopian, A.S.Fomichev, Yu.Ts.Oganessian, V.A.Gorshkov, S.A.Krupko, A.M.Rodin, S.I.Sidorchuk, R.S.Slepnev, S.V.Stepantsov, R.Wolski, D.Y.Pang, V.Chudoba, A.A.Korsheninnikov, E.A.Kuzmin, E.Yu.Nikolskii, B.G.Novatskii, D.N.Stepanov, P.Roussel-Chomaz, W.Mittig, A.Ninane, F.Hanappe, L.Stuttge, A.A.Yukhimchuk, V.V.Perevozchikov, Yu.I.Vinogradov, S.K.Grishechkin, S.V.Zlatoustovskiy Soft dipole mode in 8He NUCLEAR REACTIONS 3H(6He, p), E not given; measured Ep, Ip, cross sections. Deduced B(E1).
doi: 10.1134/S1547477109020046
2009HA15 Acta Phys.Pol. B40, 523 (2009) J.H.Hamilton, Y.X.Luo, S.J.Zhu, J.O.Rasmussen, A.V.Ramayya, C.Goodin, K.Li, J.K.Hwang, S.Liu, D.Almehed, S.Frauendorf, V.Dimitrov, Jing-ye Zhang, X.L.Che, Z.Jang, I.Stefanescu, A.Gelberg, G.M.Ter-Akopian, A.V.Daniel, I.Y.Lee, H.-B.Ding, R.Q.Xu, J.-G.Wang, Q.Xu, M.A.Stoyer, R.Donangelo, N.J.Stone New Band Structures in Neutron-Rich Mo and Ru Isotopes
2009LI25 Phys.Rev. C 79, 067303 (2009) S.H.Liu, J.H.Hamilton, A.V.Ramayya, J.K.Hwang, A.V.Daniel, G.M.Ter-Akopian, Y.X.Luo, J.O.Rasmussen, S.J.Zhu, W.C.Ma Identification of high spin states in 134I from 252Cf fission RADIOACTIVITY 252Cf(SF); measured Eγ, Iγ, γγ-coin, γγ(θ). 134I; deduced levels, J, π, yrast states. 111,112,113Rh; measured Eγ, γγ-coin. Discussed systematics of yrast levels in Iodine nuclides.
doi: 10.1103/PhysRevC.79.067303
2009LI42 Phys.Rev. C 80, 044314 (2009) S.H.Liu, J.H.Hamilton, A.V.Ramayya, A.Covello, A.Gargano, N.Itaco, Y.X.Luo, J.O.Rasmussen, J.K.Hwang, A.V.Daniel, G.M.Ter-Akopian, S.J.Zhu, W.C.Ma High spin structure of the neutron-rich nuclei 137I and 139Cs RADIOACTIVITY 252Cf(SF); measured Eγ, Iγ, γγ-coin, and γγ(θ) using Gammasphere array. 137I, 139Cs; deduced levels, J, π, bands, multipolarities and mixing ratios. 108,109,110Tc, 111,113Rh; measured Eγ, γγ-coin. Comparison with shell-model calculations. A=133-141(odd), Z=55; N=84, Sb, I, Cs, La; A=132-140(even), Z=52, 54, 56; systematics of low-lying states.
doi: 10.1103/PhysRevC.80.044314
2009LU01 Phys.Lett. B 670, 307 (2009); Erratum Phys.Lett. B 691, 285 (2010) Y.X.Luo, S.J.Zhu, J.H.Hamilton, J.O.Rasmussen, A.V.Ramayya, C.Goodin, K.Li, J.K.Hwang, D.Almehed, S.Frauendorf, V.Dimitrov, Jing-ye Zhang, X.L.Che, Z.Jang, I.Stefanescu, A.Gelberg, G.M.Ter-Akopian, A.V.Daniel, M.A.Stoyer, R.Donangelo, J.D.Cole, N.J.Stone Evolution of chirality from γ soft 108Ru to triaxial 110, 112Ru RADIOACTIVITY 252Cf(SF); measured Eγ, Iγ, γγ-coin using Gammasphere array. 108,110,112Ru; deduced levels, J, π, rotational bands, B(E2)/B(M1). Tilted axis cranking and RPA calculations.
doi: 10.1016/j.physletb.2008.10.067
2009LU04 Nucl.Phys. A818, 121 (2009) Y.X.Luo, J.H.Hamilton, J.O.Rasmussen, A.V.Ramayya, C.Goodin, S.J.Zhu, J.K.Hwang, K.Li, D.Fong, I.Stefanescu, I.Y.Lee, G.M.Ter-Akopian, A.V.Daniel, M.A.Stoyer, R.Donangelo, W.C.Ma, J.D.Cole New level schemes and octupole correlations of light neutron-rich lanthanum isotopes 143, 144La RADIOACTIVITY 252Cf(SF); measured Eγ, Iγ, γγ-coin and fission yield ratios of 103,104,105Nb, 143,144La using Gammasphere. 143,144La deduced levels, J, π, band configurations, branching ratios, B(E1)/B(E2) ratios. Cranked-shell model calculations.
doi: 10.1016/j.nuclphysa.2008.12.004
2009LU11 Nucl.Phys. A825, 1 (2009) Y.X.Luo, J.O.Rasmussen, J.H.Hamilton, A.V.Ramayya, C.Goodin, S.J.Zhu, J.K.Hwang, K.Li, D.Fong, I.Stefanescu, I.Y.Lee, G.M.Ter-Akopian, A.V.Daniel, M.A.Stoyer, R.Donangelo, W.C.Ma, J.D.Cole The first observation of a deformed Kπ = 1+ ground-state band in 100Nb and the high-spin level scheme of its 4n fission partner 148La RADIOACTIVITY 252Cf(SF); measured Eγ, Iγ, γγ-coin using Gammasphere array. 100Nb, 148La; deduced ICCs, high-spin levels, J, π, rotational bands, multipolarities, shape coexistence and configurations.
doi: 10.1016/j.nuclphysa.2009.04.006
2009LU18 Int.J.Mod.Phys. E18, 1697 (2009) Y.X.Luo, S.J.Zhu, J.H.Hamilton, A.V.Ramayya, C.Goodin, K.J.Li, X.L.Che, J.K.Hwang, I.Y.Lee, Z.Jiang, G.M.Ter-Akopian, A.V.Daniel, M.A.Stoyer, R.Donangelo, S.Frauendorf, V.Dimitrov, J.-Y.Zhang, J.D.Cole, N.J.Stone, J.O.Rasmussen Odd-parity bands of 108, 110, 112Ru RADIOACTIVITY 252Cf(SF); 108,110,112Ru; measured Eγ, Iγ, γγγ-coin.; deduced level schemes, mixing ratios, bands, J, π, angular correlations, level energies, B(E1)/B(E2), chiral doubling. Comparison with other chiral doubling candidates.
doi: 10.1142/S0218301309013646
2008DI11 Phys.Rev. C 77, 057302 (2008) H.B.Ding, S.J.Zhu, J.H.Hamilton, A.V.Ramayya, J.K.Hwang, K.Li, S.H.Liu, Y.X.Luo, J.O.Rasmussen, C.T.Goodin, I.Y.Lee, A.V.Daniel, G.M.Ter-Akopian, J.G.Wang, X.L.Che, L.Gu, W.C.Ma Identification of the ν7/2+ [404] band in neutron-rich 109Ru RADIOACTIVITY 252Cf(SF); measured Eγ, Iγ, γγ-coin. 109Ru; deduced levels, J, π, band configurations. Total Routhian surface calculations.
doi: 10.1103/PhysRevC.77.057302
2008GO28 Phys.Rev. C 78, 044331 (2008) C.Goodin, N.J.Stone, A.V.Ramayya, A.V.Daniel, J.R.Stone, J.H.Hamilton, K.Li, J.K.Hwang, Y.X.Luo, J.O.Rasmussen, A.Gargano, A.Covello, G.M.Ter-Akopian g factors, spin-parity assignments, and multipole mixing ratios of excited states in N = 82 isotones 134Te, 135I RADIOACTIVITY 252Cf(SF); measured Eγ, Iγ, angular correlations, g-factors. 134Te, 135I; deduced levels, J, π, mixing ratios. Comparison with shell model calculations.
doi: 10.1103/PhysRevC.78.044331
2008LI45 Phys.Rev. C 78, 044317 (2008) K.Li, J.H.Hamilton, A.V.Ramayya, S.J.Zhu, Y.X.Luo, J.K.Hwang, C.Goodin, J.O.Rasmussen, G.M.Ter-Akopian, A.V.Daniel, I.Y.Lee, S.C.Wu, R.Donangelo, J.D.Cole, W.C.Ma, M.A.Stoyer Identification of new collective bands in neutron-rich 102Zr RADIOACTIVITY 252Cf(SF); measured Eγ, Iγ, γγ-coin, angular correlations. 102Zr; deduced levels, J, π, bands.
doi: 10.1103/PhysRevC.78.044317
2007GO21 Nucl.Phys. A787, 231c (2007) C.Goodin, Y.X.Luo, J.K.Hwang, A.V.Ramayya, J.H.Hamilton, J.O.Rasmussen, S.J.Zhu, A.Gelberg, G.M.Ter-Akopian Study of fission process and neutron-rich nuclei RADIOACTIVITY 252Cf(SF); measured Eγ, Iγ, γγ-coin, fission fragment and light charged particle yields. 108,110,112Ru deduced levels, J, π. 104Zr, 106Mo, 148Ce(IT); measured T1/2, B(E2). Gammasphere array.
doi: 10.1016/j.nuclphysa.2006.12.037
2007GO24 Phys.Rev. C 76, 021605 (2007) M.S.Golovkov, L.V.Grigorenko, A.S.Fomichev, A.V.Gorshkov, V.A.Gorshkov, S.A.Krupko, Yu.Ts.Oganessian, A.M.Rodin, S.I.Sidorchuk, R.S.Slepnev, S.V.Stepantsov, G.M.Ter-Akopian, R.Wolski, A.A.Korsheninnikov, E.Yu.Nikolskii, V.A.Kuzmin, B.G.Novatskii, D.N.Stepanov, P.Roussel-Chomaz, W.Mittig New insight into the low-energy 9He spectrum NUCLEAR REACTIONS 2H(8He, p), E=25 MeV/nucleon; measured particle energy and missing mass spectra. 8He deduced levels, J, π.
doi: 10.1103/PhysRevC.76.021605
2007GO41 Eur.Phys.J. Special Topics 150, 23 (2007) M.S.Golovkov, L.V.Grigorenko, A.S.Fomichev, A.V.Gorshkov, V.A.Gorshkov, S.A.Krupko, Yu.Ts.Oganessian, A.M.Rodin, S.I.Sidorchuk, R.S.Slepnev, S.V.Stepantsov, G.M.Ter-Akopian, R.Wolski, A.A.Korsheninnikov, E.Yu.Nikolskii, V.A.Kuzmin, B.G.Novatskii, D.N.Stepanov, S.Fortier, P.Roussel-Chomaz, W.Mittig Properties of low-lying 9He state NUCLEAR REACTIONS 2H(8He, p), E=25 MeV/nucleon; measured proton and 8He energies. 9He; deduced resonance parameters.
doi: 10.1140/epjst/e2007-00256-x
2007LI21 Phys.Rev. C 75, 044314 (2007) K.Li, Y.X.Luo, J.K.Hwang, A.V.Ramayya, J.H.Hamilton, S.J.Zhu, C.Goodin, H.L.Crowell, J.O.Rasmussen, I.Y.Lee, S.C.Wu, A.Covello, A.Gargano, R.Donangelo, G.M.Ter-Akopian, A.V.Daniel, J.D.Cole, W.C.Ma, M.A.Stoyer Identification and shell model calculation of high spin states in 137, 138Cs nuclei RADIOACTIVITY 252Cf(SF); measured Eγ, Iγ, γγ-coin. 137,138Cs deduced high-spin levels, J, π, configurations. Gammasphere array, comparison with shell model predictions.
doi: 10.1103/PhysRevC.75.044314
2007TE12 Eur.Phys.J. Special Topics 150, 61 (2007) G.M.Ter-Akopian, A.S.Fomichev, M.S.Golovkov, L.V.Grigorenko, S.A.Krupko, Yu.Ts.Oganessian, A.M.Rodin, S.I.Sidorchuk, R.S.Slepnev, S.V.Stepantsov, R.Wolski, A.A.Korsheninnikov, E.Yu.Nikolskii, P.Roussel-Chomaz, W.Mittig, V.A.Kuzmin, B.G.Novatskii, D.N.Stepanov Neutron excess nuclei of hydrogen and helium at ACCULINNA NUCLEAR REACTIONS 2H(8He, 3He), E≈ 25 MeV/nucleon; measured 3He, 3H energies, yields and coincidences. Deduced 7H missing mass spectrum, limit for the reaction exit channel populating a resonance lying 0-3 MeV above decay threshold. 4He(6He, 2α), E=25 MeV/nucleon; measured Eα, Iα, αα-coin, angular and momentum distributions. Deduced cross section.
doi: 10.1140/epjst/e2007-00267-7
2007ZH24 Prog.Part.Nucl.Phys. 59, 329 (2007) S.J.Zhu, Y.X.Luo, J.H.Hamilton, J.O.Rasmussen, A.V.Ramayya, J.K.Hwang, H.B.Ding, X.L.Che, Z.Jiang, P.M.Gore, E.F.Jones, K.Li, I.Y.Lee, W.C.Ma, G.M.Ter-Akopian, A.V.Daniel, S.Frauendorf, V.Dimitrov, J.Y.Zhang, A.Gelberg, I.Stefanescu, J.D.Cole Triaxiality, chiral bands and gamma vibrations in A = 99-114 nuclei RADIOACTIVITY 252Cf(SF); measured Eγ, Iγ, γγγ-coinc with Gammasphere. A=99-114; deduced new band structures and significant extensions of previously known bands.
doi: 10.1016/j.ppnp.2006.12.022
2006DA21 Phys.Atomic Nuclei 69, 1405 (2006) A.V.Daniel, J.H.Hamilton, A.V.Ramayya, A.S.Fomichev, Yu.Ts.Oganessian, G.S.Popeko, A.M.Rodin, G.M.Ter-Akopian, J.K.Hwang, D.Fong, C.Goodin, K.Li, J.O.Rasmussen, D.Seweryniak, M.Carpenter, C.J.Lister, S.H.Zhu, R.V.F.Janssens, J.Batchelder, J.Kliman, L.Krupa, W-C.Ma, S.J.Zhu, L.Chaturvedi, J.D.Cole Experiment Aimed at the Study of 252Cf Binary and Ternary Fission RADIOACTIVITY 252Cf(SF); measured Eγ, Iγ, γγ-coin, fission fragment and light charged particle yields. Gammasphere array.
doi: 10.1134/S1063778806080199
2006FO10 Phys.Atomic Nuclei 69, 1161 (2006) D.Fong, J.H.Hamilton, A.V.Ramayya, J.K.Hwang, C.Goodin, K.Li, J.Kormicki, J.O.Rasmussen, Y.X.Luo, S.C.Wu, I.Y.Lee, A.V.Daniel, G.M.Ter-Akopian, G.S.Popeko, A.S.Fomichev, A.M.Rodin, Yu.Ts.Oganessian, M.Jandel, J.Kliman, L.Krupa, J.D.Cole, M.A.Stoyer, R.Donangelo, W.C.Ma Bimodal Fission in Binary and Ternary Spontaneous Fission of 252Cf RADIOACTIVITY 252Cf(SF); measured Eγ, Iγ, γγ-, αγ-coin; deduced fission fragment isotopic yields, neutron multiplicity distributions, evidence for "hot" mode. Gammasphere array.
doi: 10.1134/S1063778806070118
2006GO20 Phys.Rev. C 74, 017309 (2006) C.Goodin, D.Fong, J.K.Hwang, A.V.Ramayya, J.H.Hamilton, K.Li, Y.X.Luo, J.O.Rasmussen, S.C.Wu, M.A.Stoyer, T.N.Ginter, S.J.Zhu, R.Donangelo, G.M.Ter-Akopian, A.V.Daniel, G.S.Popeko, A.M.Rodin, A.S.Fomichev New results for the intensity of bimodal fission in barium channels of the spontaneous fission of 252Cf RADIOACTIVITY 252Cf(SF); measured Eγ, Iγ, γγ-, αγ-coin; deduced fission fragment isotopic yields, neutron multiplicity distributions. No "hot" fission mode seen.
doi: 10.1103/PhysRevC.74.017309
2006HW01 Phys.Rev. C 73, 044316 (2006) J.K.Hwang, A.V.Ramayya, J.H.Hamilton, Y.X.Luo, A.V.Daniel, G.M.Ter-Akopian, J.D.Cole, S.J.Zhu Half-life measurements of several states in 95, 97Sr, 97, 100, 104Zr, 106Mo, and 148Ce RADIOACTIVITY 252Cf(SF); measured prompt and delayed Eγ, Iγ, γγ-coin. 95,97Sr, 97,100,104Zr, 106Mo, 148Ce deduced levels T1/2, B(E2), quadrupole deformation. Gammasphere array, time-gated triple-coincidence method.
doi: 10.1103/PhysRevC.73.044316
2006JO01 Phys.Rev. C 73, 017301 (2006) E.F.Jones, P.M.Gore, J.H.Hamilton, A.V.Ramayya, J.K.Hwang, A.P.deLima, S.J.Zhu, C.J.Beyer, Y.X.Luo, W.C.Ma, J.O.Rasmussen, I.Y.Lee, S.C.Wu, T.N.Ginter, M.Stoyer, J.D.Cole, A.V.Daniel, G.M.Ter-Akopian, R.Donangelo Identification of 88Se and new levels in 84, 86Se RADIOACTIVITY 252Cf(SF); measured Eγ, Iγ, γγ-coin. 84,86,88Se deduced levels, J, π. Gammasphere array.
doi: 10.1103/PhysRevC.73.017301
2006LU12 Phys.Rev. C 74, 024308 (2006) Y.X.Luo, J.H.Hamilton, J.O.Rasmussen, A.V.Ramayya, I.Stefanescu, J.K.Hwang, X.L.Che, S.J.Zhu, P.M.Gore, E.F.Jones, D.Fong, S.C.Wu, I.Y.Lee, T.N.Ginter, W.C.Ma, G.M.Ter-Akopian, A.V.Daniel, M.A.Stoyer, R.Donangelo, A.Gelberg Nuclear shape and structure in neutron-rich 110, 111Tc RADIOACTIVITY 252Cf(SF); measured Eγ, Iγ, γγ-coin. 110,111Tc deduced high-spin levels, J, π, configurations. Gammasphere array, cranking model calculations. Level systematics in neighboring nuclides discussed.
doi: 10.1103/PhysRevC.74.024308
2005FO09 Phys.Rev. C 72, 014315 (2005) D.Fong, J.K.Hwang, A.V.Ramayya, J.H.Hamilton, Y.X.Luo, P.M.Gore, E.F.Jones, W.B.Walters, J.O.Rasmussen, M.A.Stoyer, S.J.Zhu, I.Y.Lee, A.O.Macchiavelli, S.C.Wu, A.V.Daniel, G.M.Ter-Akopian, Yu.Ts.Oganessian, J.D.Cole, R.Donangelo, W.C.Ma Negative parity bands of 115Pd and band structures in 113, 115, 117Pd RADIOACTIVITY 252Cf(SF); measured Eγ, Iγ, γγ-coin. 113,115,117Pd deduced levels, J, π. Gammasphere array.
doi: 10.1103/PhysRevC.72.014315
2005FO17 Eur.Phys.J. A 25, Supplement 1, 465 (2005) D.Fong, J.K.Hwang, A.V.Ramayya, J.H.Hamilton, C.J.Beyer, K.Li, P.M.Gore, E.F.Jones, Y.X.Luo, J.O.Rasmussen, S.J.Zhu, S.C.Wu, I.Y.Lee, P.Fallon, M.A.Stoyer, S.J.Asztalos, T.N.Ginter, J.D.Cole, G.M.Ter-Akopian, A.Daniel, R.Donangelo Investigations of short half-life states from SF of 252Cf RADIOACTIVITY 252Cf(SF); measured Eγ, Iγ, γγ-coin. 98Sr, 102,104Zr, 137Xe, 143Ba, 152Ce levels deduced T1/2. Gammasphere array, time-gated triple-coincidence method.
doi: 10.1140/epjad/i2005-06-176-y
2005GI07 Phys.Rev. C 71, 064311 (2005) L.Giot, P.Roussel-Chomaz, C.E.Demonchy, W.Mittig, H.Savajols, N.Alamanos, F.Auger, A.Gillibert, C.Jouanne, V.Lapoux, L.Nalpas, E.C.Pollacco, J.L.Sida, F.Skaza, M.D.Cortina-Gil, J.Fernandez-Vazquez, R.S.Mackintosh, A.Pakou, S.Pita, A.Rodin, S.Stepantsov, G.M.Ter-Akopian, K.Rusek, I.J.Thompson, R.Wolski Investigation of 6He cluster structures NUCLEAR REACTIONS 1H(6He, α), E=25 MeV/nucleon; measured σ(θ); deduced particle transfer contributions, entrance potential dependence. 6He deduced spectroscopic factors for t+t and α+2n cluster configurations. 1H(6He, p), E=25 MeV/nucleon; measured σ(θ). 3He(α, α), E(cm)=28.7 MeV; calculated σ(θ). SPEG spectrometer and MUST array at GANIL. DWBA and coupled-channels calculations.
doi: 10.1103/PhysRevC.71.064311
2005GO40 Eur.Phys.J. A 25, Supplement 1, 471 (2005) P.M.Gore, E.F.Jones, J.H.Hamilton, A.V.Ramayya, X.Q.Zhang, J.K.Hwang, Y.X.Luo, K.Li, S.J.Zhu, W.C.Ma, J.O.Rasmussen, I.Y.Lee, M.Stoyer, J.D.Cole, A.V.Daniel, G.M.Ter-Akopian, Yu.Ts.Oganessian, R.Donangelo, J.B.Gupta Unexpected rapid variations in odd-even level staggering in gamma-vibrational bands NUCLEAR STRUCTURE 104,106,108Mo, 108,110,112Ru, 112,114,116Pd, 156,162,164,166,168,170Er; analyzed vibrational bands level energies, odd-even level staggering.
doi: 10.1140/epjad/i2005-06-178-9
2005GO46 Phys.Rev. C 72, 064612 (2005) M.S.Golovkov, L.V.Grigorenko, A.S.Fomichev, S.A.Krupko, Yu.Ts.Oganessian, A.M.Rodin, S.I.Sidorchuk, R.S.Slepnev, S.V.Stepantsov, G.M.Ter-Akopian, R.Wolski, M.G.Itkis, A.S.Denikin, A.A.Bogatchev, N.A.Kondratiev, E.M.Kozulin, A.A.Korsheninnikov, E.Yu.Nikolskii, P.Roussel-Chomaz, W.Mittig, R.Palit, V.Bouchat, V.Kinnard, T.Materna, F.Hanappe, O.Dorvaux, L.Stuttge, C.Angulo, V.Lapoux, R.Raabe, L.Nalpas, A.A.Yukhimchuk, V.V.Perevozchikov, Yu.I.Vinogradov, S.K.Grishechkin, S.V.Zlatoustovskiy Correlation studies of the 5H spectrum NUCLEAR REACTIONS 3H(t, p), E=57.7 MeV; measured decay fragments energy and angular correlations, missing mass spectrum. 5H deduced ground-state energy, J, π, width, excited states features.
doi: 10.1103/PhysRevC.72.064612
2005HW06 Eur.Phys.J. A 25, Supplement 1, 463 (2005) J.K.Hwang, A.V.Ramayya, J.H.Hamilton, D.Fong, C.J.Beyer, K.Li, P.M.Gore, E.F.Jones, Y.X.Luo, J.O.Rasmussen, S.J.Zhu, S.C.Wu, I.Y.Lee, M.A.Stoyer, J.D.Cole, G.M.Ter-Akopian, A.Daniel, R.Donangelo Half-life measurement of excited states in neutron-rich nuclei RADIOACTIVITY 252Cf(SF); measured Eγ, Iγ, γγ-coin. 95,97Sr, 99Zr, 108Tc, 133,134Te, 137Xe levels deduced T1/2. Gammasphere array, time-gated triple-coincidence method.
doi: 10.1140/epjad/i2005-06-033-1
2005JA12 Eur.Phys.J. A 24, 373 (2005) M.Jandel, J.Kliman, L.Krupa, M.Morhac, J.H.Hamilton, J.Kormicki, A.V.Ramayya, J.K.Hwang, Y.X.Luo, D.Fong, P.Gore, G.M.Ter-Akopian, Yu.Ts.Oganessian, A.M.Rodin, A.S.Fomichev, G.S.Popeko, A.V.Daniel, J.O.Rasmussen, A.O.Macchiavelli, M.A.Stoyer, R.Donangelo, J.D.Cole Angular momenta of fission fragments in the α-accompanied fission of 252Cf RADIOACTIVITY 252Cf(SF); measured Eγ, Iγ, αγ-, γγ-coin for α-accompanied ternary fission; deduced fission fragments average angular momentum. 100,102Zr, 106Mo, 144,146Ba, 138,140,142Xe; deduced transition intensities. Gammasphere array.
doi: 10.1140/epja/i2004-10237-y
2005LU21 J.Phys.(London) G31, 1303 (2005) Y.X.Luo, J.O.Rasmussen, I.Stefanescu, A.Gelberg, J.H.Hamilton, A.V.Ramayya, J.K.Hwang, S.J.Zhu, P.M.Gore, D.Fong, E.F.Jones, S.C.Wu, I.Y.Lee, T.N.Ginter, W.C.Ma, G.M.Ter-Akopian, A.V.Daniel, M.A.Stoyer, R.Donangelo Shape trends and triaxiality in neutron-rich odd-mass Y and Nb isotopes RADIOACTIVITY 252Cf(SF); measured Eγ, Iγ, γγ-coin. 99,101Y, 101,105Nb deduced levels, J, π, configurations, rotational bands, shape transition features. Gammasphere array, triaxial-rotor-plus-quasiparticle calculations.
doi: 10.1088/0954-3899/31/11/013
2005LU24 Eur.Phys.J. A 25, Supplement 1, 469 (2005) Y.X.Luo, J.O.Rasmussen, J.H.Hamilton, A.V.Ramayya, A.Gelberg, I.Stefanescu, J.K.Hwang, S.J.Zhu, P.M.Gore, D.Fong, E.F.Jones, S.C.Wu, I.Y.Lee, T.N.Ginter, W.C.Ma, G.M.Ter-Akopian, A.V.Daniel, M.A.Stoyer, R.Donangelo Shape transitions and triaxiality in neutron-rich odd-mass Y and Nb isotopes RADIOACTIVITY 252Cf(SF); measured Eγ, Iγ, γγ-coin. 99,101Y, 101,105Nb deduced levels, J, π, configurations, deformation. Gammasphere array, triaxial-rotor-plus-particle calculations.
doi: 10.1140/epjad/i2005-06-044-x
2005TE05 Eur.Phys.J. A 25, Supplement 1, 315 (2005) G.M.Ter-Akopian, A.S.Fomichev, M.S.Golovkov, L.V.Grigorenko, S.A.Krupko, Yu.Ts.Oganessian, A.M.Rodin, S.I.Sidorchuk, R.S.Slepnev, S.V.Stepantsov, R.Wolski, A.A.Korsheninnikov, E.Yu.Nikolskii, P.Roussel-Chomaz, W.Mittig, R.Palit, V.Bouchat, V.Kinnard, T.Materna, F.Hanappe, O.Dorvaux, L.Stuttge, C.Angulo, V.Lapoux, R.Raabe, L.Nalpas, A.A.Yukhimchuk, V.V.Perevozchikov, Yu.I.Vinogradov, S.K.Grishechkin, S.V.Zlatoustovskii New insights into the resonance states of 5H and 5He NUCLEAR REACTIONS 3H(t, p), E=58 MeV; 2H(6He, t), (6He, 3He), E=132 MeV; measured particle spectra, angular correlations following residual nucleus decay. 5He deduced resonances J, π, IAS features. 5H deduced ground-state resonance energy.
doi: 10.1140/epjad/i2005-06-080-6
2005ZH36 Eur.Phys.J. A 25, Supplement 1, 459 (2005) S.J.Zhu, J.H.Hamilton, A.V.Ramayya, P.M.Gore, J.O.Rasmussen, V.Dimitrov, S.Frauendorf, R.Q.Xu, J.K.Hwang, D.Fong, L.M.Yang, K.Li, Y.J.Chen, X.Q.Zhang, E.F.Jones, Y.X.Luo, I.Y.Lee, W.C.Ma, J.D.Cole, M.W.Drigert, M.Stoyer, G.M.Ter-Akopian, A.V.Daniel Soft chiral vibrations in 106Mo RADIOACTIVITY 252Cf(SF); measured Eγ, Iγ, γγ-coin. 106Mo deduced high-spin levels, J, π, chiral vibrational bands. Gammasphere array, tilted-axis cranking model analysis.
doi: 10.1140/epjad/i2005-06-204-0
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