NSR Query Results
Output year order : Descending NSR database version of April 25, 2024. Search: Author = A.Petrovici Found 75 matches. 2024PE04 Phys.Rev. C 109, 024303 (2024) Shape coexistence and first-forbidden decay of 92Rb to 92Sr
doi: 10.1103/PhysRevC.109.024303
2022MA54 Phys.Rev. C 106, 054306 (2022) Shape coexistence and isomeric states in 94Pd within a beyond-mean-field approach NUCLEAR STRUCTURE 94Pd; calculated levels, J, π, B(E2), B(M1), E0 transition strength, spectroscopic quadrupole moments, occupation of the 1p1/2, 1p3/2, 1d5/2, and 0g9/2 valence spherical orbitals for the yrast band and lowest three 6+, 8+ states. 94Ag; calculated levels, J, π. Calculations within the beyond-mean-field complex excited Vampir model using an effective interaction derived from a nuclear matter G matrix based on the charge dependent Bonn CD potential in a large model space. Comparison to experimental results. RADIOACTIVITY 94,94mAg(β+); calculated Fermi strength distribution for the decay of the 0+ ground state, Gamow-Teller strength distribution for the decay of the 7+ isomer to 6+ and 8+ states in 94Pd, Gamow-Teller accumulated strength, T1/2. Comparison to experimental results.
doi: 10.1103/PhysRevC.106.054306
2022MI15 Phys.Rev. C 106, 024332 (2022) R.E.Mihai, A.S.Mare, N.Marginean, A.Petrovici, O.Andrei, M.Boromiza, D.Bucurescu, G.Cata-Danil, C.Clisu, C.Costache, I.Dinescu, D.Filipescu, N.Florea, I.Gheorghe, A.Ionescu, R.Lica, R.Marginean, C.Mihai, A.Mitu, A.Negret, C.R.Nita, A.Olacel, A.Oprea, S.Pascu, A.Serban, C.Sotty, L.Stan, R.Suvaila, S.Toma, A.Turturica, S.Ujeniuc, C.A.Ur Search for isospin-symmetry breaking in the A=62 isovector triplet NUCLEAR REACTIONS 58Ni(6Li, 2n)62Ga, E=22 MeV; measured Eγ, Iγ, nγ-coin, (2n)γ-coin, γ(θ) using ROSPHERE array with ten Compton-suppressed HPGe detectors and 11 LaBr3(Ce) detectors for γ rays, and two liquid scintillator neutron detector walls with 12 detectors each neutrons at the IFIN-HH 9-MV Tandem accelerator. 62Ga; deduced levels, J, π, first 2+ state, multipolarities. Comparison with beyond-mean-field complex excited Vampir variational model. Discussed Coulomb energy differences (CED), mirror energy differences (MED), triplet energy differences (TED) for A=62 triplet. 59Ni, 62Cu, 62Zn; observed γ rays. NUCLEAR STRUCTURE 62Ge, 62Ga, 62Zn; calculated energies of low-lying 0+, 2+ and 4+ analog states, B(E2) for 62Zn, superallowed Fermi β decay strength distribution from 62Ga decay to 62Ge g.s., and compared with available experimental values.
doi: 10.1103/PhysRevC.106.024332
2022VI03 Phys.Lett. B 830, 137123 (2022) A.Vitez-Sveiczer, A.Algora, A.I.Morales, B.Rubio, G.G.Kiss, P.Sarriguren, P.Van Isacker, G.de Angelis, F.Recchia, S.Nishimura, J.Agramunt, V.Guadilla, A.Montaner-Piza, S.E.A.Orrigo, A.Horvath, D.Napoli, S.Lenzi, A.Boso, V.H.Phong, J.Wu, P.-A.Soderstrom, T.Sumikama, H.Suzuki, H.Takeda, D.S.Ahn, H.Baba, P.Doornebal, N.Fukuda, N.Inabe, T.Isobe, T.Kubo, S.Kubono, H.Sakurai, Y.Shimizu, C.Sidong, B.Blank, P.Ascher, M.Gerbaux, T.Goigoux, J.Giovinazzo, S.Grevy, T.Kurtukian Nieto, C.Magron, W.Gelletly, Zs.Dombradi, Y.Fujita, M.Tanaka, P.Aguilera, F.Molina, J.Eberth, F.Diel, D.Lubos, C.Borcea, E.Ganioglu, D.Nishimura, H.Oikawa, Y.Takei, S.Yagi, W.Korten, G.de France, P.Davies, J.Liu, J.Lee, T.Lokotko, I.Kojouharov, N.Kurz, H.Shaffner, A.Petrovici The β-decay of 70Kr into 70Br: Restoration of the pseudo-SU(4) symmetry RADIOACTIVITY 70Kr(EC), (β+p) [from 9Be(78Kr, X), E=345 MeV/nucleon]; measured decay products, Eγ, Iγ; deduced γ-ray energies, partial level scheme, T1/2, log ft, B(GT), β-delayed proton emission probability, an approximate realization of pseudo-SU(4) symmetry in the system. Comparison with the proton-neutron quasiparticle random-phase approximation (pnQRPA) calculations. The Radioactive Ion Beam Factory (RIBF) of the RIKEN Nishina Center using the BigRIPS fragment separator, the ZeroDegree Spectrometer, the WAS3ABI implantation station and the EURICA HPGe cluster array.
doi: 10.1016/j.physletb.2022.137123
2020PE03 Phys.Rev. C 101, 024307 (2020) Triple shape coexistence and β decay of 96Y to 96Zr RADIOACTIVITY 96,96mY(β-); calculated first-forbidden beta decay of the 0- ground state and Gamow-Teller strengths for beta decay of the 8+ isomer using the beyond-mean-field complex Excited Vampir model. 96Zr; calculated E0 transition strengths of the 0+ states. Discussed influence of triple shape coexistence and mixing on the beta decay and E0 transitions. Comparison with experimental results.
doi: 10.1103/PhysRevC.101.024307
2019PE11 Phys.Rev. C 100, 015810 (2019) A.Petrovici, A.S.Mare, O.Andrei, B.S.Meyer Impact of 68Se and 72Kr stellar weak interaction rates on rp-process nucleosynthesis and energetics RADIOACTIVITY 68Se, 72Kr(β+), (EC); calculated stellar weak interaction rates of ground state and low-lying excited states using the beyond-mean-field complex excited Vampir model. Discussed impact on rp-process nucleosynthesis in type-I x-ray bursts and energetics.
doi: 10.1103/PhysRevC.100.015810
2018PE03 Phys.Rev. C 97, 024313 (2018) Shape coexistence and b decay of 70Br within a beyond-mean-field approach NUCLEAR STRUCTURE 70Se; calculated levels, J, π, bands, B(E2), mixing for the lowest 8+ and 10+ states, spectroscopic quadrupole moments for 8+ and 10+ states using complex excited VAMPIR (Variation After Mean field Projection In Realistic model spaces) model. Comparison with experimental data. RADIOACTIVITY 70,70mBr(β+), (EC); calculated Fermi strength distribution for the superallowed decay of 70Br ground state to 70Se, and Gamow-Teller (B(GT)) strength distribution for the decay the 9+ isomer in 70Br to 8+ and 10+ states in 70Se within the complex excited VAMPIR model, summed B(GT) strength to 8+ and 10+ states. Comparison with available experimental data.
doi: 10.1103/PhysRevC.97.024313
2018PE13 Phys.Scr. 93, 114001 (2018) A.Petrovici, O.Andrei, A.Chilug Exotic phenomena in medium mass N ∼ Z nuclei within the beyond-mean-field approach NUCLEAR STRUCTURE 70Se, 70Br, 70,74Kr, 74Rb, 74Sr; analyzed available data; deduced spectroscopic quadrupole moments of 1+ Gamow–Teller daughter states, shape coexistence, J, π. Comparison with the beyond-mean-field complex Excited Vampir model calculations.
doi: 10.1088/1402-4896/aadec5
2017IS03 Europhys.Lett. 117, 12001 (2017) L.W.Iskra, B.Fornal, S.Leoni, G.Bocchi, A.Petrovici, C.Porzio, A.Blanc, G.De France, M.Jentschel, U.Koster, P.Mutti, J.-M.Regis, G.Simpson, T.Soldner, C.A.Ur, W.Urban, D.Bazzacco, G.Benzoni, S.Bottoni, A.Bruce, N.Cieplicka-Orynczak, F.C.L.Crespi, L.M.Fraile, W.Korten, T.Kroll, S.Lalkovski, N.Marginean, C.Michelagnoli, B.Melon, D.Mengoni, B.Million, A.Nannini, D.Napoli, Zs.Podolyak, P.H.Regan, B.Szpak New isomer in 96Y marking the onset of deformation at N = 57 NUCLEAR REACTIONS 235U, 241Pu(n, X)96Y, E thermal; measured reaction products, Eγ, Iγ; deduced γ-ray energies, intensities, J, π, isomer T1/2, negative parity states B(E2). Comparison with theoretical calculations.
doi: 10.1209/0295-5075/117/12001
2017KO03 Phys.Rev. C 95, 014309 (2017) T.Konstantinopoulos, P.Petkov, A.Goasduff, T.Arici, A.Astier, L.Atanasova, M.Axiotis, D.Bonatsos, P.Detistov, A.Dewald, M.J.Eller, V.Foteinou, A.Gargano, G.Georgiev, K.Gladnishki, A.Gottardo, S.Harissopulos, H.Hess, S.Kaim, D.Kocheva, A.Kusoglu, A.Lagoyannis, J.Ljungvall, R.Lutter, I.Matea, B.Melon, T.J.Mertzimekis, A.Nannini, C.M.Petrache, A.Petrovici, G.Provatas, P.Reiter, M.Rocchini, S.Roccia, M.Seidlitz, B.Siebeck, D.Suzuki, N.Warr, H.De Witte, T.Zerrouki Lifetime measurements in 100Ru NUCLEAR REACTIONS 88Sr(14C, 2n), E=40, 46 MeV; measured Eγ, half-lives of 2+, 4+, 6+ and 8+ yrast levels by recoil-distance Doppler shift (RDDS) and Doppler-shift attenuation method (DSAM) using ORGAM array and eight detectors from Miniball array at 15 MV Tandem accelerator of the ALTO laboratory in Orsay. 100Ru; deduced levels, B(E2), not the best candidate for E(5) symmetry. Comparison with excited Vampir, shell-model calculations, and theoretical E(5) level scheme.
doi: 10.1103/PhysRevC.95.014309
2017PE07 Phys.Scr. 92, 064003 (2017) Shape evolution in proton-rich and neutron-rich Kr isotopes within the beyond-mean-field approach NUCLEAR STRUCTURE 70,94Kr; calculated energy levels, J, π, spectroscopic quadrupole moments. The framework of the complex excited Vampir beyond-mean-field model based on the effective interaction derived from a G-matrix starting from the charge-dependent Bonn CD potential and rather large model spaces.
doi: 10.1088/1402-4896/aa6d2f
2015PE01 Phys.Rev. C 91, 014302 (2015) Isospin-symmetry breaking and shape coexistence in A≈70 analogs NUCLEAR STRUCTURE 70Se, 70Br, 70Kr, 74Kr, 74Rb, 74Sr; calculated levels, J, π, amount of mixing for the lowest complex excited VAMPIR states, spectroscopic quadrupole moments for the lowest EXVAM states, occupation of valence spherical orbitals for the analog states. Isospin-symmetry-breaking and shape-coexistence effects. Self-consistent beyond-mean-field complex excited VAMPIR variational model for Coulomb energy differences (CED), mirror energy differences (MED), triplet energy differences (TED), and triplet displacement energy (TDE). Comparison with experimental data.
doi: 10.1103/PhysRevC.91.014302
2015PE13 Eur.Phys.J. A 51, 133 (2015) Stellar weak interaction rates and shape coexistence for 68Se and 72Kr waiting points RADIOACTIVITY 68Se, 72Kr(β+), (EC); calculated β-decay GT strength distribution, cumulative strength for specified decays, decay rates, T1/2 vs temperature, spectroscopic quadrupole moments of discrete states of daughter nuclei using complex Excited Vampir model with different interactions.
doi: 10.1140/epja/i2015-15133-9
2015PE16 Phys.Rev. C 92, 064305 (2015) Weak interaction rates and shape coexistence for the Z = N + 2 isotopes 70Kr and 74Sr RADIOACTIVITY 70Kr, 74Sr(EC), (β+); calculated Gamow-Teller accumulated strengths for the decay of the ground state, first excited 0+, and yrast 2+ state, Fermi β-decay rates for the ground state and yrast 2+ state, and half-lives of 70Kr and 74Sr as a function of density and temperature of T9=1-10. Beyond-mean-field complex excited Vampir variational model with an interaction from a G matrix based on Bonn CD potential. Shape mixing on weak interaction rates. Relevance to decay half-lives in x-ray burst astrophysical environment. NUCLEAR MOMENTS 70Br, 74Rb; calculated spectroscopic quadrupole moments for 1+ and 3+ Gamow-Teller states populated in β+, ϵ decay of 70Kr and 74Sr using complex excited Vampir model.
doi: 10.1103/PhysRevC.92.064305
2013JO02 Phys.Rev. C 87, 044318 (2013) D.Jordan, A.Algora, J.L.Tain, B.Rubio, J.Agramunt, A.B.Perez-Cerdan, F.Molina, L.Caballero, E.Nacher, A.Krasznahorkay, M.D.Hunyadi, J.Gulyas, A.Vitez, M.Csatlos, L.Csige, J.Aysto, H.Penttila, I.D.Moore, T.Eronen, A.Jokinen, A.Nieminen, J.Hakala, P.Karvonen, A.Kankainen, A.Saastamoinen, J.Rissanen, T.Kessler, C.Weber, J.Ronkainen, S.Rahaman, V.Elomaa, U.Hager, S.Rinta-Antila, T.Sonoda, K.Burkard, W.Huller, L.Batist, W.Gelletly, A.L.Nichols, T.Yoshida, A.A.Sonzogni, K.Perajarvi, A.Petrovici, K.W.Schmid, A.Faessler Total absorption study of the β decay of 102, 104, 105Tc RADIOACTIVITY 102,104,105Tc(β-)[from U(p, F), E=30, 50 MeV followed by mass separation]; measured Eγ, Iγ using the Total Absorption Gamma Spectrometer (TAGS) and JYFLTRAP Penning trap at IGISOL, Jyvaskyla facility; deduced β feedings to levels in 102,104,105Ru, β-strength distributions, Gamow-Teller strengths, average β and γ energies, effects on decay heat calculations. Comparison of deduced β feedings with those from high-resolution γ-ray measurements. Comparison of Gamow-Teller strengths with VAMPIR model calculations. Relevance to decay heat calculations in nuclear reactors. NUCLEAR REACTIONS U(p, F)102Mo/102Tc/102Ru/104Tc/105Nb/ 105Mo/105Tc/105Ru, E=30, 50 MeV; measured yields using JYFLRTRAP Penning trap at IGISOL, Jyvaskyla facility.
doi: 10.1103/PhysRevC.87.044318
2012DE05 Phys.Rev. C 85, 034320 (2012) G.de Angelis, K.T.Wiedemann, T.Martinez, R.Orlandi, A.Petrovici, E.Sahin, J.J.Valiente-Dobon, D.Tonev, S.Lunardi, B.S.Nara Singh, R.Wadsworth, A.Gadea, K.Kaneko, P.G.Bizzeti, A.M.Bizzeti-Sona, B.Blank, A.Bracco, M.P.Carpenter, C.J.Chiara, E.Farnea, A.Gottardo, J.P.Greene, S.M.Lenzi, S.Leoni, C.J.Lister, D.Mengoni, D.R.Napoli, O.L.Pechenaya, F.Recchia, W.Reviol, D.G.Sarantites, D.Seweryniak, C.A.Ur, S.Zhu Shape isomerism and shape coexistence effects on the Coulomb energy differences in the N=Z nucleus 66As and neighboring T=1 multiplets NUCLEAR REACTIONS 40Ca(32S, npα)66As, E=90 MeV; measured Eγ, Iγ, γ(θ), angular asymmetry ratios, (particle)nγ-, γγ-coin, particle and neutron spectra, isomer half-life using Gammasphere array at ATLAS facility. 66As; deduced levels, J, π, shape isomer, B(E2), isospin=1 states, Coulomb energy differences (CED); calculated neutron single-particle energies. Breaking of isospin symmetry and correlations induced by the Coulomb interaction. Comparison with shell model and Complex excited Vampir calculations.
doi: 10.1103/PhysRevC.85.034320
2012PE04 Phys.Rev. C 85, 034337 (2012) Triple shape coexistence and shape evolution in the N=58 Sr and Zr isotopes NUCLEAR STRUCTURE 96Sr, 98Zr; calculated high-spin levels, J, π, oblate-prolate mixing of lowest 2+ and 4+ levels, wavefunctions for four lowest 0+ states, occupation of valence orbitals, B(E2), E0 strengths, quadrupole moments. Complex excited VAMPIR approach using a realistic effective interaction based on Bonn A potential in a large model space. Comparison with experimental data.
doi: 10.1103/PhysRevC.85.034337
2011PE04 Prog.Part.Nucl.Phys. 66, 287 (2011) A.Petrovici, K.W.Schmid, A.Faessler Beyond mean field approach to the beta decay of medium mass nuclei relevant for nuclear astrophysics RADIOACTIVITY 68Se, 72Kr(EC); calculated Gamow-Teller accumulated strength, T1/2, β-delayed neutron emission probabilities. Excited Vampir approach.
doi: 10.1016/j.ppnp.2011.01.022
2011PE35 J.Phys.:Conf.Ser. 312, 092051 (2011) A.Petrovici, K.W.Schmid, A.Faessler Self-consistent description of shape coexistence in the A ≈ 100 Zr nuclei NUCLEAR STRUCTURE 98,100,104,106,110Zr; calculated levels, J, π, deformation, shape coexistence, rotational band, band mixing, alignment, 98,100Zr B(E2), quadrupole moment using EVAM (complex excited Vampir model) HFB code with realistic effective interaction. Compared to available data.
doi: 10.1088/1742-6596/312/9/092051
2009PE20 Phys.Rev. C 80, 044319 (2009) A.Petrovici, K.W.Schmid, O.Andrei, A.Faessler Variational approach to the Gamow-Teller β decay of the rp-process waiting point nucleus 68Se going beyond mean field calculations RADIOACTIVITY 68Se(β+), (EC); calculated B(GT) strength distributions, accumulated B(GT) strengths, half-lives, and configuration mixing of lowest 0+ parent states of 68Se using VAMPIR variational approach. Comparison with experimental data. NUCLEAR STRUCTURE 68As; calculated configuration mixing of lowest 1+ states with significant B(GT) strengths and spectroscopic quadrupole moments using VAMPIR variational approach with Bonn A and Bonn CD potentials.
doi: 10.1103/PhysRevC.80.044319
2008PE01 Nucl.Phys. A799, 94 (2008) A.Petrovici, K.W.Schmid, O.Radu, A.Faessler Gamow-Teller β decay of 74Kr in a self-consistent approach NUCLEAR STRUCTURE 74Br, 74Kr; calculated oblate/prolate deformation mixing, Gamow-Teller strength distribution, spectroscopic quadrupole moments using HFB, excited vampir calculations. Comparison with data.
doi: 10.1016/j.nuclphysa.2007.11.005
2008PE27 Phys.Rev. C 78, 044315 (2008) A.Petrovici, K.W.Schmid, O.Radu, A.Faessler Self-consistent approach to the Gamow-Teller β decay of 72Kr RADIOACTIVITY 72Kr(β+); calculated mixing for lowest 1+ states in 72Br, B(GT), spectroscopic quadrupole moments. Complex excited VAMPIR variational approach using large model sphere.
doi: 10.1103/PhysRevC.78.044315
2008PE30 Phys.Rev. C 78, 064311 (2008) A.Petrovici, K.W.Schmid, O.Radu, A.Faessler Structure of A = 82 analogs and isospin-symmetry-breaking effects on superallowed Fermi β decay RADIOACTIVITY 82Nb(β+); calculated B(E2), quadrupole moments, bands. 82Nb, 82Zr; calculated levels, J, π. VAMPIR approach. Comparison with experimental data.
doi: 10.1103/PhysRevC.78.064311
2008PE31 Int.J.Mod.Phys. E17, Supplement 1, 219 (2008) Self-consistent description of exotic structure and decay near the N = Z line NUCLEAR STRUCTURE 82Nb, 82Zr, 72Kr, 72Br; calculated Gamow-Teller accumulated strength for the β-decay. Complex Excited Vampir approach.
doi: 10.1142/S0218301308011872
2006BE18 Nucl.Phys. A770, 107 (2006) F.Becker, A.Petrovici, J.Iwanicki, N.Amzal, W.Korten, K.Hauschild, A.Hurstel, Ch.Theisen, P.A.Butler, R.A.Cunningham, T.Czosnyka, G.de France, J.Gerl, P.Greenlees, K.Helariutta, R.-D.Herzberg, P.Jones, R.Julin, S.Juutinen, H.Kankaanpaa, M.Muikku, P.Nieminen, O.Radu, P.Rahkila, Ch.Schlegel Coulomb excitation of 78Kr NUCLEAR REACTIONS 26Mg, 48Ti, 208Pb(78Kr, 78Kr'), E=180, 200, 350 MeV; measured Eγ, Iγ, (particle)γ-coin following projectile Coulomb excitation. 78Kr deduced levels, J, π, B(E2), B(M1), quadrupole moments, deformation parameters. Comparison with model predictions.
doi: 10.1016/j.nuclphysa.2006.01.018
2006PE03 J.Phys.(London) G32, 583 (2006) A.Petrovici, K.W.Schmid, O.Radu, A.Faessler Shape coexistence effects in 78Kr NUCLEAR STRUCTURE 78Kr; calculated level energies, J, π, configurations, B(E2), B(M1), rotational bands, shape coexistence features.
doi: 10.1088/0954-3899/32/4/014
2006PE12 Eur.Phys.J. A 28, 19 (2006) A.Petrovici, K.W.Schmid, O.Radu, A.Faessler Variational approach to magnetic bands in 82Rb NUCLEAR STRUCTURE 82Rb; calculated level energies, J, π, configurations, B(E2), B(M1), magnetic rotational bands, shape coexistence features.
doi: 10.1140/epja/i2005-10279-7
2006PE30 Int.J.Mod.Phys. E15, 1477 (2006) Exotic nuclear structure phenomena in medium mass nuclei NUCLEAR STRUCTURE 70Se, 70Br, 70Kr; calculated 0+ level energies, β-decay strengths, isospin-mixing corrections. 82Rb; calculated levels, J, π, B(E2), B(M1). Excited Vampir model.
doi: 10.1142/S021830130600506X
2005PE01 Nucl.Phys. A747, 44 (2005) A.Petrovici, K.W.Schmid, O.Radu, A.Faessler Variational calculation of the effect of isospin-mixing on superallowed Fermi β decay in the A ∼ 70 mass region NUCLEAR STRUCTURE 70Se, 70Br, 70,74Kr, 74Rb, 74Sr; calculated 0+ level energies, configurations, superallowed β-decay strengths, isospin mixing effects.
doi: 10.1016/j.nuclphysa.2004.10.002
2003PE30 Nucl.Phys. A728, 396 (2003) A.Petrovici, K.W.Schmid, A.Faessler Microscopic description of the mirror nuclei 70Se and 70Kr NUCLEAR STRUCTURE 70Se, 70Kr; calculated levels, J, π, configurations, B(E2), B(M1), rotational bands, shape coexistence features.
doi: 10.1016/j.nuclphysa.2003.09.004
2002PE12 Nucl.Phys. A704, 144c (2002) Large Scale Nuclear Structure Calculations for Medium Mass N = Z Nuclei NUCLEAR STRUCTURE 56Ni, 68Se, 72Kr; calculated levels, J, π, B(E2), shape coexistance features. Comparisons with data.
doi: 10.1016/S0375-9474(02)00775-3
2002PE14 Nucl.Phys. A708, 190 (2002) A.Petrovici, K.W.Schmid, A.Faessler Shape Coexistence and Center-of-Mass Effects in N = Z Medium Mass Nuclei NUCLEAR STRUCTURE 72Kr, 76Sr, 80Zr; calculated levels, J, π, configurations, B(E2), deformation, shape coexistence.
doi: 10.1016/S0375-9474(02)01032-1
2002PE17 Nucl.Phys. A710, 246 (2002) A.Petrovici, K.W.Schmid, A.Faessler Variational approach to shape coexistence in 68Se NUCLEAR STRUCTURE 68Se; calculated levels B(E2), quadrupole moments, shape coexistence features, neutron-proton correlations. Variational approach.
doi: 10.1016/S0375-9474(02)01089-8
2001PE09 Nucl.Phys. A689, 707 (2001) A.Petrovici, K.W.Schmid, A.Faessler Variational Approach to Shape Coexistence in 56Ni NUCLEAR STRUCTURE 56Ni; calculated levels, J, π, quadrupole moments, deformation, shape coexistence features. Variational approach.
doi: 10.1016/S0375-9474(00)00691-6
2000PE06 Nucl.Phys. A665, 333 (2000) A.Petrovici, K.W.Schmid, A.Faessler Microscopic Aspects of Shape Coexistence in 72Kr and 74Kr NUCLEAR STRUCTURE 72,74Kr; calculated levels J, π, decay branching ratios, oblate/prolate deformation mixing, B(E2), spectroscopic quadrupole moments, alignment, occupation, g-factors. Comparison with data, HFB, excited vampir calculations.
doi: 10.1016/S0375-9474(99)00811-8
1999PE02 Nucl.Phys. A647, 197 (1999) A.Petrovici, K.W.Schmid, A.Faessler Neutron-Proton Pairing Correlations in Medium Mass N ≈ Z Nuclei NUCLEAR STRUCTURE 66As, 64,66Ge, 74Rb, 72,74,76,78Kr; calculated nn, pp, np pairing gaps, other pairing-related features. 72Kr, 74Rb calculated levels, J, π, configurations; deduced role of isovector neutron-proton pairing. Complex Excited Vampir approach.
doi: 10.1016/S0375-9474(99)00004-4
1999PE08 J.Phys.(London) G25, 803 (1999) Large-Scale Nuclear Structure Studies of Medium-Mass Nuclei NUCLEAR STRUCTURE 72,74,76,78Kr, 74Rb; calculated average np, like-nucleon pairing gaps for low-lying 0+ states. Excited Vampir approach.
doi: 10.1088/0954-3899/25/4/041
1999PE17 Prog.Part.Nucl.Phys. 43, 485 (1999) A.Petrovici, K.W.Schmid, A.Faessler, J.H.Hamilton, A.V.Ramayya Shape Coexistence Phenomena in Medium Mass Nuclei NUCLEAR STRUCTURE 74Kr, 74Rb, 76Sr, 80Zr, 84Mo; calculated levels, J, π. 68,72As, 72,74Kr, 78Rb, 78,82Sr; calculated high-spin levels, J, π, B(λ); deduced shape coexistence, pairing correlation features. Excited Vampir calculations, comparisons with data.
doi: 10.1016/S0146-6410(99)00099-X
1998DO01 Phys.Rev. C57, 97 (1998) J.Doring, D.Pantelica, A.Petrovici, B.R.S.Babu, J.H.Hamilton, J.Kormicki, Q.H.Lu, A.V.Ramayya, O.J.Tekyi-Mensah, S.L.Tabor Evidence for Yrast Positive-Parity High-Spin States in Odd-Odd 72As NUCLEAR REACTIONS 62Ni(13C, 2np), E=48.5 MeV; measured Eγ, Iγ, γ(θ), γ linear polarization. 72As deduced high-spin levels, J, π, B(E2), δ. VAMPIR calculations.
doi: 10.1103/PhysRevC.57.97
1998YU01 Phys.Rev. C57, 113 (1998) C.-H.Yu, C.Baktash, M.J.Brinkman, H.-Q.Jin, D.Rudolph, C.J.Gross, M.Devlin, D.R.LaFosse, F.Lerma, D.G.Sarantites, G.N.Sylvan, S.L.Tabor, I.Birriel, J.X.Saladin, D.F.Winchell, V.Q.Wood, R.M.Clark, P.Fallon, I.Y.Lee, A.O.Macchiavelli, J.C.Wells, A.Petrovici, K.W.Schmid, A.Faessler Lifetime Measurements of Normally Deformed and Superdeformed States in 82Sr NUCLEAR REACTIONS 58Ni(28Si, 4p), E=130 MeV; measured Eγ, Iγ, γγ-, (charged particle)γ-coin, DSA. 82Sr deduced high-spin levels, J, π, T1/2, superdeformed bands transition quadrupole moments, configurations. Shell model calculations.
doi: 10.1103/PhysRevC.57.113
1997CH46 Phys.Rev. C56, R2924 (1997) C.Chandler, P.H.Regan, C.J.Pearson, B.Blank, A.M.Bruce, W.N.Catford, N.Curtis, S.Czajkowski, W.Gelletly, R.Grzywacz, Z.Janas, M.Lewitowicz, C.Marchand, N.A.Orr, R.D.Page, A.Petrovici, A.T.Reed, M.G.Saint-Laurent, S.M.Vincent, R.Wadsworth, D.D.Warner, J.S.Winfield Evidence for a Highly Deformed Oblate 0+ State in 3674Kr NUCLEAR REACTIONS Ni(92Mo, X), E=60 MeV/nucleon; measured Eγ, Iγ, (fragment)γ(t). 74Kr deduced isomeric state T1/2, J, π, deformation, oblate-prolate mixing.
doi: 10.1103/PhysRevC.56.R2924
1997PE18 Z.Phys. A359, 19 (1997) A.Petrovici, K.W.Schmid, A.Faessler Microscopic Aspects of Identical Bands in 78Sr and 78Rb NUCLEAR STRUCTURE 78Rb, 78Sr; calculated levels, quadrupole moments, B(E2), identical band related features. Complex Hartree-Fock-Bogoliubov transformations.
doi: 10.1007/s002180050361
1996CH34 Int.J.Mod.Phys. E5, 565 (1996) L.Chaturvedi, B.R.S.Babu, J.H.Hamilton, A.V.Ramayya, W.C.Ma, S.J.Zhu, J.Kormicki, A.Petrovici, K.W.Schmid, A.Faessler, N.R.Johnson, I.Y.Lee, C.Baktash, F.K.McGowan, M.L.Halbert, M.Riley, J.D.Cole Negative Parity States in 68Ge: Experiment and theory NUCLEAR REACTIONS 46Ti(25Mg, n2p), E=68 MeV; measured γγ-coin. 68Ge deduced high-spin levels, γ-multipolarity, band structure.
doi: 10.1142/S021830139600030X
1996PA17 J.Phys.(London) G22, 1013 (1996) D.Pantelica, A.Pantelica, F.Negoita, A.V.Ramayya, J.H.Hamilton, L.Chaturvedi, J.Kormicki, B.R.S.Babu, A.Petrovici, K.W.Schmid, A.Faessler, N.R.Johnson, I.Y.Lee, C.Baktash, F.K.McGowan, J.D.Cole, E.F.Zganjar, T.M.Cormier Structure of Odd-Odd 72As: Experiment and theory NUCLEAR REACTIONS 59Co(16O, n2p), E=52 MeV; 56Fe(19F, n2p), E=60 MeV; 47Ti(28Si, 3p), E=95 MeV; measured γγ-, (particle)γγ-coin, γγ(t), Eγ, Iγ, γ(θ). 72As deduced levels, J, π, B(λ), γ multipolarity. Model comparison.
doi: 10.1088/0954-3899/22/7/007
1996PE04 Phys.Rev. C53, 2134 (1996) A.Petrovici, K.W.Schmid, A.Faessler, D.Pantelica, F.Negoita, B.R.S.Babu, A.V.Ramayya, J.H.Hamilton, J.Kormicki, L.Chaturvedi, W.C.Ma, S.J.Zhu, N.R.Johnson, I.Y.Lee, C.Baktash, F.K.McGowan, M.L.Halbert, M.Riley, J.D.Cole High Spin States in 68As: Experiment and theory NUCLEAR REACTIONS 56Fe(14N, 2n), E=46 MeV; 58Ni(12C, np), E=36, 45 MeV; 46Ti(25Mg, 2np), E=68 MeV; measured γγ-coin. 68As deduced high-spin levels, J, π. Model comparison.
doi: 10.1103/PhysRevC.53.2134
1996PE16 Nucl.Phys. A605, 290 (1996) A.Petrovici, K.W.Schmid, A.Faessler Shape Coexistence and Shape Transition in N ≈ Z Nuclei from Krypton to Molybdenum NUCLEAR STRUCTURE 72Kr, 76,78Sr, 80Zr, 84Mo; calculated levels, spectroscopic quadrupole moments, B(λ); deduced shape features. Complex HFB transformations, large model space.
doi: 10.1016/0375-9474(96)00224-2
1994PE04 Nucl.Phys. A571, 77 (1994) A.Petrovici, K.W.Schmid, A.Faessler Neutron-Proton Interaction and Structure of Bands in 72As NUCLEAR STRUCTURE 68Ge, 72As; calculated levels, B(λ). HFB with symmetry projection.
doi: 10.1016/0375-9474(94)90342-5
1993PE14 Z.Phys. A347, 15 (1993) A.Petrovici, K.W.Schmid, A.Faessler Structure of Negative-Parity States in 68Ge NUCLEAR STRUCTURE 68Ge; calculated levels, negative parity band spectroscopic quadrupole moments. General symmetry-projected HFB quasiparticle determinants as trial configurations.
doi: 10.1007/BF01301271
1993PE18 Z.Phys. A347, 87 (1993) A.Petrovici, K.W.Schmid, A.Faessler Nucleon Pair Structure of Realistic Many Body Wave Functions NUCLEAR STRUCTURE 20Ne; calculated ground band two-body density scalar part. 68Ge; calculated yrast state two-body density scalar part; deduced nucleon pair structure. HFB approach, symmetry projection before variation.
doi: 10.1007/BF01284674
1992PE11 Nucl.Phys. A549, 352 (1992) A.Petrovici, E.Hammaren, K.W.Schmid, F.Grummer, A.Faessler Shape Coexistence in the A ≈ 70 Region Including Neutron-Proton Interaction and Unnatural-Parity Correlations in the Mean Field NUCLEAR STRUCTURE 72Ge, 72Kr; calculated levels. 68Ge; calculated levels, B(λ), spectroscopic quadrupole moments. Neutron-proton interaction, unnatural parity correlations, mean field approach.
doi: 10.1016/0375-9474(92)90084-W
1992PE17 Fiz.Elem.Chastits At.Yadra 23, 914 (1992); Sov.J.Part.Nucl. 23, 402 (1992) A.Petrovici, K.W.Schmid, A.Faessler Microscopic Description of the Shape Coexistence in the A ≈ 70 Mass Region NUCLEAR STRUCTURE 68,70,72,74Ge, 70,72Se, 70,74,76Kr; calculated levels, B(λ), quadrupole moments in some cases; deduced shape coexistence phenomena related features. Symmetry projected HFB calculation.
1991CH14 Phys.Rev. C43, 2541 (1991) L.Chaturvedi, X.Zhao, A.V.Ramayya, J.H.Hamilton, J.Kormicki, S.Zhu, C.Girit, H.Xie, W.-B.Gao, Y.-R.Jiang, A.Petrovici, K.W.Schmid, A.Faessler, N.R.Johnson, C.Baktash, I.Y.Lee, F.K.McGowan, M.L.Halbert, M.A.Riley, J.H.McNeill, M.O.Kortelahti, J.D.Cole, R.B.Piercey, H.Q.Jin Tests of Microscopic Calculations of Multiple Band Structures and Large Deformations in 68Ge and 72Se NUCLEAR REACTIONS 46Ti(25Mg, n2p), E=68 MeV; 47Ti(28Si, X), E=95 MeV; measured γγ-coin. 68Ge, 72Se deduced levels, J, π, band structure, deformation features.
doi: 10.1103/PhysRevC.43.2541
1991PE09 Z.Phys. A339, 71 (1991) A.Petrovici, K.W.Schmid, F.Grummer, A.Faessler Calculation of Charge and Transition Charge Densities in Some Even Mass Ge Isotopes from Microscopic Nuclear Structure Wave Functions NUCLEAR STRUCTURE 68,70,72,74,76Ge; calculated transition charge density. Microscopic model.
doi: 10.1007/BF01282935
1990PE12 Nucl.Phys. A517, 108 (1990) A.Petrovici, K.W.Schmid, F.Grummer, A.Faessler Some New Aspects of the Shape Coexistence in the A = 70 Mass Region NUCLEAR STRUCTURE 68Ge, 70Se; calculated levels; deduced shape coexistence features. Symmetry projected quasiparticle mean-field solutions.
doi: 10.1016/0375-9474(90)90263-L
1989PE13 Nucl.Phys. A504, 277 (1989) A.Petrovici, K.W.Schmid, F.Grummer, A.Faessler Shape Coexistence at High Spins in the Nuclei 68Ge and 72Se NUCLEAR STRUCTURE 68Ge, 72Se; calculated levels, quadrupole moments, B(λ), g-factor, hexadecapole moments. Self-consistent, symmetry projected HFB.
doi: 10.1016/0375-9474(89)90346-1
1988CR04 Z.Phys. A331, 287 (1988) M.I.Cristu, S.Holan, A.Faessler, A.Petrovici Competition between β+- and β--Decays from the Transitional Nucleus 74As RADIOACTIVITY 74As(β+), (β-); calculated β-spectra, log ft. 74Se, 74Ge deduced 0+ state structure.
1988PE10 Nucl.Phys. A483, 317 (1988) A.Petrovici, K.W.Schmid, F.Grummer, A.Faessler, T.Horibata Microscopic Description of Low-Lying States in Even Ge and Se Nuclei NUCLEAR STRUCTURE 68,70,72,74Ge, 72,74Se; calculated levels, occupational probabilities, B(λ), pairing gaps, intrinsic quadrupole, hexadecapole moments. HFB method.
doi: 10.1016/0375-9474(88)90539-8
1985BO08 Phys.Lett. 150B, 29 (1985) D.Bogdan, A.Faessler, A.Petrovici, S.Holan Neutrino Masses and Right-Handed Current in the Neutrinoless Double Beta Decay 76Ge → 76Se + 2e- RADIOACTIVITY 76Ge(2β); calculated decay matrix elements; deduced neutrino mass upper limit.
doi: 10.1016/0370-2693(85)90131-5
1985FA03 Nucl.Phys. A438, 78 (1985) A.Faessler, S.Kuyucak, A.Petrovici, L.Petersen Rotor and IBA Description of Proton and Neutron Alignment in the Ba and Ce Isotopes NUCLEAR STRUCTURE 126,128,130Ba, 130,132,134Ce; calculated levels, occupation probabilities, quasiparticle energies. Quasiparticle-core coupling, triaxial rotor, IBA models.
doi: 10.1016/0375-9474(85)90119-8
1983BA46 Rev.Roum.Phys. 28, 25 (1983) T.Badica, C.Ciortea, S.Dima, A.Petrovici, I.Popescu Reaction Chamber for Magnetic Moment Measurements by the Recoil-Into-Gas Method NUCLEAR REACTIONS 148Nd(16O, 16O'), E=36 MeV; measured Coulomb excitation, γ(θ, H). Recoil into Helium technique, pressure variation, enriched target.
1983BA69 Z.Phys. A314, 55 (1983) T.Badica, C.Ciortea, D.Pantelica, A.Petrovici, I.Popescu Magnetic Moment Measurements in 64Zn and 66Zn NUCLEAR REACTIONS 51V(16O, 2np), E=51 MeV; 55Mn(14N, n2p), E=54 MeV; measured γγ(θ, H), recoil into He, Eγ, Iγ, γ(θ). 64Zn, 66Zn levels deduced g, γ-branching.
1983BA73 Hyperfine Interactions 15/16, 63 (1983) T.Badica, A.Petrovici, I.Popescu Magnetic Moment Measurements in 67Ga NUCLEAR REACTIONS 57Fe(12C, np), E=40 MeV; measured γγ(θ, H). 67Ga levels deduced g ratio.
doi: 10.1007/BF02159716
1983PE01 Nucl.Phys. A395, 44 (1983) Two-Quasiparticle Admixtures and the Asymmetric Rotor Model in Ge and Zn Isotopes NUCLEAR STRUCTURE 66,68,70Ge, 64,66Zn; calculated levels, B(λ). Asymmetric rotor model, two-quasiparticle admixtures.
doi: 10.1016/0375-9474(83)90088-X
1983PE20 Z.Phys. A314, 227 (1983) A.Petrovici, A.Faessler, Th.Koppel Microscopic Calculation of the Collective Motion in 76Kr NUCLEAR STRUCTURE 76Kr; calculated liquid drop energy, potential functions, deformation energy, mass parameter, moment of inertia, average effective mass, ground state wave function, collective states g, spectroscopic quadrupole moments, B(E2). Bohr Hamiltonian, microscopic calculation.
doi: 10.1007/BF01879882
1982BA42 J.Phys.(London) G8, 1397 (1982) T.Badica, C.Ciortea, A.Petrovici, I.Popescu Gyromagnetic Factors of Negative-Parity States in 68Ge NUCLEAR REACTIONS 58Ni(12C, 2p), E=40 MeV; measured Eγ, Iγ, γγ(θ, H). 68Ge levels deduced g. Recoil into gas technique.
doi: 10.1088/0305-4616/8/10/010
1982BA66 Rev.Roum.Phys. 27, 737 (1982) T.Badica, C.Ciortea, A.Enulescu, A.Petrovici, I.Piticu, I.Popescu Foil Thickness Dependence of Ni Kα-X-Ray Production for 1.5 MeV/amu Sulphur Ions ATOMIC PHYSICS Ni(32S, X), E=1.5 MeV/nucleon; measured K X-ray yields; deduced foil thickness dependence.
1981BA30 ATOMKI Kozlem. 23, 21 (1981) T.Badica, C.Ciortea, A.Petrovici, I.Popescu K-X-Ray Production Cross Sections by 1-2.5 MeV/amu 32S Ions NUCLEAR REACTIONS Ag, Sn, Te(32S, X), E=32, 48, 64, 80 MeV; measured production σ for (K X-ray) vs E. Plane wave Born, binary counter approximations. Thin solid targets.
1979BA40 Nucl.Phys. A331, 75 (1979) T.Badica, C.Ciortea, A.Petrovici, I.Popescu Low-Lying Energy Levels in 166Ho RADIOACTIVITY 166Dy [from 164Dy(n, γ)165Dy(n, γ)166Dy]; measured Iγ, γγ(θ), γγ(θ, H), 166Ho level deduced μ. Enriched target, Ge(Li), Ge detectors.
doi: 10.1016/0375-9474(79)90302-6
1978AN30 Hyperfine Interactions 4, 190 (1978) A.Anghelescu, V.Avrigeanu, E.Bodo, C.Ciortea, B.Constantinescu, I.David, P.Osiceanu, D.Pantelica, A.Petrovici, M.Petrovici, S.Vajda, M.Zaharcu Recoil Into Vacuum g Factor Measurement of the 5/2+ State at 0.350 MeV in 21Ne NUCLEAR REACTIONS 7Li(16O, d), E=22, 35 MeV; measured Doppler-shifted Eγ, Iγ(θ). 21Ne deduced level T1/2, g factor. Recoil-distance technique.
doi: 10.1007/BF01021822
1978BA03 Z.Phys. A284, 161 (1978) T.Badica, C.Ciortea, S.Dima, A.Petrovici, I.Popescu Properties of the 635.4 keV Level in 171Tm RADIOACTIVITY 171Er; measured γγ(θ, H). 171Tm levels deduced J, π, g.
1977AN26 Rev.Roum.Phys. 22, 859 (1977) A.Anghelescu, V.Avrigeanu, E.Bodo, C.Ciortea, B.Constantinescu, I.David, P.Osiceanu, O.Pantelica, A.Petrovici, M.Petrovici, S.Vajda, M.Zaharcu Hyperfine Interactions in Highly Ionized 21Ne Atoms and the Magnetic Moment of the 5/2+ State at 0.350 MeV NUCLEAR REACTIONS 7Li(16O, d), E=22, 35 MeV; measured recoil distance, γ(θ). 21Ne level deduced T1/2, g.
1977BA63 Hyperfine Interactions 3, 423 (1977) T.Badica, D.Bogdan, C.Ciortea, S.Dima, A.Petrovici Magnetic Moment Measurement of the 129.2 keV Level in 153Gd RADIOACTIVITY 153Tb; measured integral γγ(θ, H). 153Gd level deduced μ.
1976BA26 Z.Phys. A277, 217 (1976) T.Badica, D.Bogdan, C.Ciortea, S.Dima, A.Petrovici, I.Popescu, I.I.Gromova Magnetic Moment Measurement of 108 keV Level in 151Gd RADIOACTIVITY 151Tb; measured γγ(θ, H, t). 151Gd level deduced μ.
1976BA44 Rev.Roum.Phys. 21, 1059 (1976) T.Badica, C.Ciortea, S.Dima, A.Petrovici, I.Popescu Gamma-Gamma Angular Correlations in 151Sm RADIOACTIVITY 151Pm; measured γγ(θ). 151Sm levels deduced J.
1974BA24 Nucl.Phys. A222, 168 (1974) T.Badica, C.Ciortea, S.Dima, A.Gelberg, A.Petrovici, I.Popescu The Magnetic Moment of the 828 keV Level in 115In RADIOACTIVITY 115Cd [from 114Cd(nγ)]; measured γγ(θ, b). 115In level deduced μ. Enriched target, Si(Li), Ge(Li) detectors.
doi: 10.1016/0375-9474(74)90591-0
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