NSR Query Results
Output year order : Descending NSR database version of April 11, 2024. Search: Author = R.J.Liotta Found 154 matches. Showing 1 to 100. [Next]2021MA81 Phys.Rev. C 104, L061304 (2021) A.O.Macchiavelli, O.Civitarese, S.M.Lenzi, R.J.Liotta, D.R.Bes "Piston" mechanism in a time-dependent two-level model NUCLEAR STRUCTURE 19N; analyzed one-proton knockout reaction on 19N. populating unbound state in 18C, in the framework of a time-dependent two-level model. 18C; calculated wave functions of g.s. and the first two 2+ states; quantified validity of the so-called 'piston' mechanism (proposed by 2018Re06: Phys. Rev. Lett. 120, 152504) in terms of time scales involved in the process, reaction time, period of oscillation between the mixed states, and the lifetime of the excited unbound state in 18C.
doi: 10.1103/PhysRevC.104.L061304
2021QI06 Phys.Lett. B 818, 136373 (2021) Alpha decay measured in single-particle units as a manifestation of nuclear collectivity
doi: 10.1016/j.physletb.2021.136373
2019AS08 Eur.Phys.J. A 55, 245 (2019) M.Assie, C.H.Dasso, R.J.Liotta, A.O.Macchiavelli, A.Vitturi The Giant Pairing Vibration in heavy nuclei
doi: 10.1140/epja/i2019-12829-8
2017BH09 Phys.Rev. C 96, 031302 (2017) Cluster decay in the superallowed α decay region RADIOACTIVITY 108,110,112,114Te, 110,112,114,116,118Xe, 114,116,118,120Ba(α); 110,112,114Xe, 114,116,118,120Ba(12C); 114,116,118Ba(16O); calculated half-lives, cluster formation probabilities in the superallowed α-decay region using theory which includes a microscopic treatment of the cluster center-of-mass motion.
doi: 10.1103/PhysRevC.96.031302
2016DE19 J.Phys.(London) G43, 095109 (2016) D.S.Delion, M.Patial, R.J.Liotta, R.Wyss A simple approach to α-decay fine structure NUCLEAR STRUCTURE N=80-170; calculated hindrance and spectroscopic factors, partial α-decay widths. Standard spherical semiclassical approach where the action integrals have close analytical forms.
doi: 10.1088/0954-3899/43/9/095109
2016PA20 Phys.Rev. C 93, 054326 (2016) Microscopic description of superallowed α-decay transitions RADIOACTIVITY 104Te, 212Po(α); calculated half-lives, α-formation probabilities. Comparison with available experimental data. Full microscopic calculation within the framework of the multistep shell model. NUCLEAR STRUCTURE 102,104Te, 102Sn, 212Po; calculated levels, J, π. Assigned Jπ=16+ for 2922-keV level in 212Po. Comparison with available experimental data. Full microscopic calculation within the framework of the multistep shell model.
doi: 10.1103/PhysRevC.93.054326
2015BH14 Phys.Rev. C 92, 044312 (2015) Consistent description of the cluster-decay phenomenon in transactinide nuclei RADIOACTIVITY 222,224,226Ra(14C); 228Th(20O); 230U(22Ne); 230,232Th, 232,234,236U(24Ne); 232Th, 234,236U(26Ne); 232,234,236U, 236,238Pu(28Mg); 236U, 238Pu(30Mg); 238Pu(32Si); 240Pu, 242Cm(34Si); 222,224,226Ra, 228,230,232Th, 230,232,234,236U, 236,238,240Pu, 242Cm(α); calculated half-lives for cluster and α decays. Woods-Saxon mean field calculations. Comparison with experimental values.
doi: 10.1103/PhysRevC.92.044312
2015DE35 Phys.Rev. C 92, 051301 (2015) D.S.Delion, R.J.Liotta, R.Wyss Exact estimate of the α-decay rate and semiclassical approach in deformed nuclei RADIOACTIVITY 230U, 236Pu, 244Cm(α); calculated fragmentation potential, partial decay widths and total half-life in the laboratory system and from "angular momentum WKB" approach. New semiclassical "angular momentum WKB" procedure to evaluate the total α-decay widths in deformed nuclei.
doi: 10.1103/PhysRevC.92.051301
2014DE48 Phys.Rev. C 90, 061303 (2014) D.S.Delion, R.J.Liotta, C.Qi, R.Wyss Probing shape coexistence by α decays to 0+ states RADIOACTIVITY 180,182,184Hg, 202Rn(α); analyzed fine structure of α decays to first excited 0+ states, hindrance factors, spectroscopic factors. Shape coexistence. Two-level model using microscopic description of the α-particle formation amplitude.
doi: 10.1103/PhysRevC.90.061303
2013AN13 Phys.Rev.Lett. 110, 242502 (2013) A.N.Andreyev, M.Huyse, P.Van Duppen, C.Qi, R.J.Liotta, S.Antalic, D.Ackermann, S.Franchoo, F.P.Hessberger, S.Hofmann, I.Kojouharov, B.Kindler, P.Kuusiniemi, S.R.Lesher, B.Lommel, R.Mann, K.Nishio, R.D.Page, B.Streicher, S.Saro, B.Sulignano, D.Wiseman, R.A.Wyss Signatures of the Z = 82 Shell Closure in α-Decay Process RADIOACTIVITY 186Po, 182Pb, 178Hg, 174Pt(α) [from 144Sm(46Ti, X)190Po, E=230 MeV, 190Po(4n)]; measured decay products, Eα, Iα; deduced σ, identification of 186Po, the α-particle formation probabilities.
doi: 10.1103/PhysRevLett.110.242502
2013DE08 Phys.Rev. C 87, 034328 (2013) D.S.Delion, R.J.Liotta, R.Wyss Simple approach to two-proton emission RADIOACTIVITY 45Fe, 48Ni(2p); calculated two-proton radial wave function, proton pairing gap, two-proton decay width, T1/2. Scattering theory with a realistic proton-proton interaction, BCS equations.
doi: 10.1103/PhysRevC.87.034328
2013DE11 Phys.Rev. C 87, 041302 (2013) Shell-model representation to describe α emission RADIOACTIVITY Z<82, N=82-126(α); Z>82, N=82-126(α); Z>82, N>126(α); calculated proton clustering strength, reduced α widths, Qα-Coulomb barrier for even-even nuclei. 220Rn(α); calculated proton and neutron pairing formation probabilities, decay width and compared with experimental data. Woods-Saxon mean field plus spin-orbit potential of shell model, with an additional attractive Gaussian pocket potential.
doi: 10.1103/PhysRevC.87.041302
2012DE10 Phys.Rev. C 85, 064306 (2012) D.S.Delion, R.J.Liotta, P.Schuck, A.Astier, M.-G.Porquet Shell model plus cluster description of negative parity states in 212Po NUCLEAR STRUCTURE 212Po; calculated negative-parity levels, J, π, B(E1), B(E2), octupole TDA amplitudes, α-decay widths. 208,210Pb, 210Po; calculated interaction energies, B(E2). Shell-model with α cluster approach. Comparison with experimental data.
doi: 10.1103/PhysRevC.85.064306
2012QI03 Phys.Rev. C 85, 011303 (2012) C.Qi, D.S.Delion, R.J.Liotta, R.Wyss Effects of formation properties in one-proton radioactivity RADIOACTIVITY 109I, 112,113Cs, 117La, 121Pr, 130,131Eu, 135Tb, 140,141,141mHo, 144,145,146,146m,147,147mTm, 150,150m,151,151mLu, 155,156,156m,157Ta, 159m,160,161,161mRe, 164,165m,166,166m,167,167mIr, 170,170m,171,171mAu, 176,177,177mTl, 185Bi(p); calculated T1/2, proton formation probabilities. Fitting parameter from microscopic description of the decay process. Deformation property of the parent nucleus. Comparison with experimental data.
doi: 10.1103/PhysRevC.85.011303
2012QI09 Nucl.Phys. A884-885, 21 (2012) Analytic proof of partial conservation of seniority in j=9/2 shells
doi: 10.1016/j.nuclphysa.2012.04.007
2012QI12 Phys.Scr. T150, 014031 (2012) C.Qi, J.Blomqvist, T.Back, B.Cederwall, A.Johnson, R.J.Liotta, R.Wyss Coherence features of the spin-aligned neutron-proton pair coupling scheme NUCLEAR STRUCTURE 92Pd, 96Cd; calculated wave functions, ground and low-lying yrast states. The seniority scheme.
doi: 10.1088/0031-8949/2012/T150/014031
2012QI18 J.Phys.:Conf.Ser. 381, 012106 (2012) Spin-aligned neutron-proton pair coupling in the era of large scale computing NUCLEAR STRUCTURE 92Pd, 96Cd; calculated 0g9/2 interaction matrix, average number of isoscalar interacting pairs vs total angular momentum of low-lying yrast states using shell model.
doi: 10.1088/1742-6596/381/1/012106
2012QI19 J.Phys.:Conf.Ser. 381, 012131 (2012) Generalization of the Geiger-Nuttall law and alpha clustering in heavy nuclei COMPILATION Z=78-118(α); compiled even-even nuclei T1/2 vs Qα and T1/2 vs combination of charge, mass and Q. Suggested Geiger-Nuttall-like law using the newly introduced variables.
doi: 10.1088/1742-6596/381/1/012131
2012XU01 Nucl.Phys. A877, 51 (2012) Z.X.Xu, C.Qi, J.Blomqvist, R.J.Liotta, R.Wyss Multistep shell model description of spin-aligned neutron-proton pair coupling NUCLEAR STRUCTURE 94Ag; calculated levels, J, π, configuration of states, δ using spin-aligned neutron-proton par scheme within multistep shell model using 0g9/2 shell.
doi: 10.1016/j.nuclphysa.2011.12.005
2011QI08 Phys.Rev. C 84, 021301 (2011) C.Qi, J.Blomqvist, T.Back, B.Cederwall, A.Johnson, R.J.Liotta, R.Wyss Spin-aligned neutron-proton pair mode in atomic nuclei NUCLEAR STRUCTURE 92Pd; calculated levels, J, π, B(E2), yrast states, isoscalar neutron-proton pair mode coupling scheme. Shell Model. Comparison with systematics of yrast states for 94,96Pd, 96Cd, 94Ag, and with experimental data
doi: 10.1103/PhysRevC.84.021301
2011XU03 Nucl.Phys. A850, 53 (2011) Z.X.Xu, R.J.Liotta, C.Qi, T.Roger, P.Roussel-Chomaz, H.Savajols, R.Wyss Analysis of the unbound spectrum of 12Li NUCLEAR STRUCTURE 12Li; calculated levels, J, π using a multi-step shell model. Comparison with data.
doi: 10.1016/j.nuclphysa.2010.12.003
2010DE27 Phys.Rev. C 82, 024307 (2010) D.S.Delion, R.Wyss, R.J.Liotta, B.Cederwall, A.Johnson, M.Sandzelius Investigations of proton-neutron correlations close to the drip line NUCLEAR STRUCTURE 102,104,106,108,110,112,114,116,118,120,122,124,126Sn, 106,108,110,112,114,116,118,120,122,124,126,128Te, 108,110,112,114,116,118,120,122,124,126,128,130Xe, 210,212,214Pb, 210,212,214,216,218Po, 212,214,216,218,220,222Rn, 214,216,218,220,222,224,226Ra; calculated lowest QRPA 2+ eigenvalues, B(E2), proton-neutron coupling strength, proton-neutron pairing gap, proton pairing gap, and neutron pairing gap using proton-neutron pairing plus quadrupole Hamiltonian approach. Comparison with experimental data.
doi: 10.1103/PhysRevC.82.024307
2010QI04 Phys.Rev. C 81, 064319 (2010) C.Qi, A.N.Andreyev, M.Huyse, R.J.Liotta, P.Van Duppen, R.A.Wyss Abrupt changes in α-decay systematics as a manifestation of collective nuclear modes
doi: 10.1103/PhysRevC.81.064319
2010QI05 Phys.Rev. C 82, 014304 (2010) C.Qi, X.B.Wang, Z.X.Xu, R.J.Liotta, R.Wyss, F.R.Xu Alternate proof of the Rowe-Rosensteel proposition and seniority conservation
doi: 10.1103/PhysRevC.82.014304
2010XU04 Phys.Rev. C 81, 054319 (2010) C.Xu, C.Qi, R.J.Liotta, R.Wyss, S.M.Wang, F.R.Xu, D.X.Jiang Molecular structure of highly excited resonant states in 24Mg and the corresponding 8Be+16O and 12C+12C decays NUCLEAR REACTIONS 12C(12C, X)24Mg, E not given; calculated excitation energies, J, π, widths, and 8Be+16O decays of 24Mg resonances using cluster model. Comparison with experimental data.
doi: 10.1103/PhysRevC.81.054319
2009DU16 Phys.Rev. C 80, 064311 (2009) G.G.Dussel, R.Id Betan, R.J.Liotta, T.Vertse Collective excitations in the continuum NUCLEAR STRUCTURE 208,210Pb, 210Po, 210Bi; calculated giant pairing (particle-particle and particle-hole) resonance (GPR) wave functions using shell-model formalism in the complex energy plane. NUCLEAR REACTIONS 208Pb(3He, n), E=100 MeV; calculated σ(θ) for two-particle transfer to GPR in 210Po using optical potential model.
doi: 10.1103/PhysRevC.80.064311
2009QI05 Phys.Rev.Lett. 103, 072501 (2009) C.Qi, F.R.Xu, R.J.Liotta, R.Wyss Universal Decay Law in Charged-Particle Emission and Exotic Cluster Radioactivity
doi: 10.1103/PhysRevLett.103.072501
2009QI07 Phys.Rev. C 80, 044326 (2009) C.Qi, F.R.Xu, R.J.Liotta, R.Wyss, M.Y.Zhang, C.Asawatangtrakuldee, D.Hu Microscopic mechanism of charged-particle radioactivity and generalization of the Geiger-Nuttall law RADIOACTIVITY 106,108Te, 110,112Xe, 114Ba(α); 110,112Xe, 114Ba, 154Dy, 158Yb, 160,162Hf, 162,166W, 166,168Os, 166,168,170,172Pt, 172,174,176,180Hg, 178,180,184Pb, 202,218,220,222,224,226Ra, 220,222,224,226Th, 222,224,226,228U, 228Pu(12C); 220,222Rn, 220,222,224,226Ra, 222,224,226,228,230Th, 226,228,230U, 228Pu(14C); 112Xe, 114Ba, 162Hf, 166Os, 168Pt, 172Hg, 224,226Th, 226,228U, 228Pu(16O); 226,228,230Th, 228U(18O); 226Ra, 228,230Th(20O); 230,232U, 232Pu(22Ne); 228,230,232Th, 230,232,234U, 234Pu(24Ne); 232U, 232,234Pu(26Mg); 232,234U, 234,236,238Pu, 238Cm(28Mg); 238Cm(30Si); 236,238Pu, 238,240Cm(32Si); 238,240Pu, 240,242Cm(34Si); Z=50-120, even Z, N=54-176, odd N(α); Z=50-115, N=55-175(12C); Z=85-115, N=115-175(14C); A=100-290(α), (12C), (14C); Z=88-116, N=130-176(24Ne); calculated half-lives using universal decay law (UDL). Generalization of the Geiger-Nuttall law. Comparison with experimental data.
doi: 10.1103/PhysRevC.80.044326
2008CI06 Phys.Rev. C 78, 064308 (2008) O.Civitarese, R.J.Liotta, M.E.Mosquera Effects of resonant and continuum states on the neutrino-nucleus cross section NUCLEAR REACTIONS 208Pb(ν, e-), E<200 MeV; calculated σ, level energies, multipolarities.
doi: 10.1103/PhysRevC.78.064308
2008ID02 Phys.Rev. C 78, 044325 (2008) R.Id Betan, G.G.Dussel, R.J.Liotta Assessment of the importance of the pairing interaction in the continuum NUCLEAR STRUCTURE 132Sn; calculated bound single-particle state energies. 134,135,136,137,138,139,140,141,142,143,144,145,146,147,148,149,150,151,152,153,154,155,156,157,158,159,160,161,163Sn; calculated excitation energies, gap parameters, binding energies.
doi: 10.1103/PhysRevC.78.044325
2007DE53 Phys.Rev. C 76, 044301 (2007) D.S.Delion, R.J.Liotta, R.Wyss α decay of high-spin isomers in superheavy nuclei RADIOACTIVITY 250,252,254,256,258Fm, 252,254,256,258,260No, 258,260,262,264,266,268,270,272Rf, 258,260,262,264,266,268,270,272Sg, 262,264,266,268,270,272Hs, 264,266,268,270,272,274Ds, 280,282,284,286,288Cn, 282,284,286,288,290Fl, 284,286,288,290,292Lv, 286,288,290,292,294Og, 288,290,292,294,296120(α); calculated α-decay hindrance factors, deformation parameters, spectroscopic factors for low- and high-spin states.
doi: 10.1103/PhysRevC.76.044301
2007DU23 Nucl.Phys. A789, 182 (2007) G.G.Dussel, R.Id Betan, R.J.Liotta, T.Vertse One- and two-quasiparticle states in the complex energy plane
doi: 10.1016/j.nuclphysa.2007.04.005
2007HA45 Phys.Rev. C 76, 044312 (2007) B.Hadinia, B.Cederwall, D.T.Joss, R.Wyss, R.D.Page, C.Scholey, A.Johnson, K.Lagergren, E.Ganioglu, K.Andgren, T.Back, D.E.Appelbe, C.J.Barton, S.Eeckhaudt, T.Grahn, P.Greenlees, P.Jones, R.Julin, S.Juutinen, H.Kettunen, M.Leino, A.-P.Lepanen, R.J.Liotta, P.Nieminen, J.Pakarinen, J.Perkowski, P.Rahkila, M.Sandzelius, J.Simpson, J.Uusitalo, K.Van de Vel, D.D.Warner, D.R.Wiseman In-beam γ-ray and α-decay spectroscopy of 170Ir NUCLEAR REACTIONS 112Sn(60Ni, np), E=266 MeV; measured Eγ, Iγ, recoil decay tagging, γγ-, (recoil)γ-coin; 170Ir deduced levels, J, π, bands, half-lives. JUROGAM array used with RITU, GREAT spectrometer. RADIOACTIVITY 170Ir(α); measured E(α). 166Re; deduced levels.
doi: 10.1103/PhysRevC.76.044312
2006DE04 Phys.Rep. 424, 113 (2006) D.S.Delion, R.J.Liotta, R.Wyss Theories of proton emission
doi: 10.1016/j.physrep.2005.11.001
2006DE07 Phys.Rev.Lett. 96, 072501 (2006) D.S.Delion, R.J.Liotta, R.Wyss Systematics of Proton Emission RADIOACTIVITY 105Sb, 109I, 112,113Cs, 117La, 121Pr, 130,131Eu, 135Tb, 140,141Ho, 145,146,147Tm, 150,151Lu, 155,156,157Ta, 160,161Re, 164,165,167Ir, 171Au, 177Tl, 185Bi(p); analyzed proton decay T1/2, Q; deduced systematic trends.
doi: 10.1103/PhysRevLett.96.072501
2006KA29 Phys.Rev. C 73, 064304 (2006) D.Karlgren, R.J.Liotta, R.Wyss, M.Huyse, K.Van de Vel, P.Van Duppen α-decay hindrance factors: A probe of mean-field wave functions NUCLEAR STRUCTURE 188,194,196,198Po, 200,202Rn; calculated potential energy surfaces, α-decay hindrance factors. Comparison with data.
doi: 10.1103/PhysRevC.73.064304
2005ID01 J.Phys.(London) G31, S1329 (2005) R.Id Betan, R.J.Liotta, N.Sandulescu, T.Vertse Description of the continuum part of the spectrum by using the complex energy plane NUCLEAR STRUCTURE 80Ni; calculated resonance energies, continuum features. 11Li; calculated ground state wave function, resonance and halo features. Complex energy plane.
doi: 10.1088/0954-3899/31/8/011
2005ID02 Phys.Rev. C 72, 054322 (2005) R.Id Betan, R.J.Liotta, N.Sandulescu, T.Vertse, R.Wyss Complex shell model representation including antibound states NUCLEAR STRUCTURE 11Li, 72Ca; calculated ground and excited states energies, two-particle wave functions; deduced halo features. Shell model formalism with antibound states.
doi: 10.1103/PhysRevC.72.054322
2004DE54 Phys.Rev. C 70, 061301 (2004) D.S.Delion, R.Wyss, D.Karlgren, R.J.Liotta Proton emission from triaxial nuclei RADIOACTIVITY 161Re, 185Bi(p); calculated proton emission T1/2, angular distribution, sensitivity to triaxial deformation.
doi: 10.1103/PhysRevC.70.061301
2004HA59 Phys.Rev. C 70, 064314 (2004) B.Hadinia, B.Cederwall, K.Lagergren, J.Blomqvist, T.Back, S.Eeckhaudt, T.Grahn, P.Greenlees, A.Johnson, D.T.Joss, R.Julin, S.Juutinen, H.Kettunen, M.Leino, A.-P.Leppanen, R.J.Liotta, P.Nieminen, M.Nyman, J.Pakarinen, E.S.Paul, P.Rahkila, C.Scholey, J.Uusitalo, R.Wadsworth, D.R.Wiseman First identification of γ-ray transitions in 107Te NUCLEAR REACTIONS 58Ni(52Cr, 3n), E=187 MeV; measured Eγ, Iγ, γγ-, (recoil)γ-coin. 107Te deduced transitions, excited state. Jurogam array, recoil-decay tagging. RADIOACTIVITY 107Te(α) [from 58Ni(52Cr, 3n)]; measured Eα, Iα.
doi: 10.1103/PhysRevC.70.064314
2004ID01 Phys.Lett. B 584, 48 (2004) R.Id Betan, R.J.Liotta, N.Sandulescu, T.Vertse A shell model representation with antibound states NUCLEAR STRUCTURE 11Li, 72Ca; calculated two-particle resonance features, role of antibound states.
doi: 10.1016/j.physletb.2004.01.042
2004ID02 Few-Body Systems 34, 51 (2004) R.Id Betan, R.J.Liotta, N.Sandulescu, T.Vertse Two-Particle Resonances in the Complex Energy Plane NUCLEAR STRUCTURE 11Li; calculated resonance energies.
doi: 10.1007/s00601-004-0028-4
2004SA15 Phys.Rev. C 69, 045802 (2004) N.Sandulescu, N.Van Giai, R.J.Liotta Superfluid properties of the inner crust of neutron stars
doi: 10.1103/PhysRevC.69.045802
2003DE17 Phys.Rev. C 67, 054317 (2003) D.S.Delion, A.Insolia, R.J.Liotta Anisotropic α decay in Am, Es, and Fm isotopes RADIOACTIVITY 241,243Am, 253,255Es, 255,257Fm(α); calculated α-decay anisotropy. Microscopic approach.
doi: 10.1103/PhysRevC.67.054317
2003DE35 Phys.Rev. C 68, 054603 (2003) D.S.Delion, R.J.Liotta, R.Wyss High-spin proton emitters in odd-odd nuclei and shape changes RADIOACTIVITY 58Cu(p); calculated T1/2; deduced hindrance due to change in deformation, other structure effects.
doi: 10.1103/PhysRevC.68.054603
2003ID01 Phys.Rev. C 67, 014322 (2003) R.Id Betan, R.J.Liotta, N.Sandulescu, T.Vertse Shell model in the complex energy plane and two-particle resonances NUCLEAR STRUCTURE 78Ni, 100Sn; calculated single-particle states, two-particle resonance features. Shell model in the complex energy plane.
doi: 10.1103/PhysRevC.67.014322
2003ID03 Acta Phys.Hung.N.S. 18, 267 (2003) R.Id Betan, R.J.Liotta, N.Sandulescu, T.Vertse Clusters as Many-Body Resonances NUCLEAR STRUCTURE 80Ni; calculated two-particle resonance energies.
doi: 10.1556/APH.18.2003.2-4.24
2002DE24 Yad.Fiz. 65, 685 (2002); Phys.Atomic Nuclei 65, 653 (2002) D.S.Delion, A.Insolia, R.J.Liotta Anisotropic α Decay RADIOACTIVITY 241Am, 199,201,203,205,207,209,211,217At, 221Fr, 227,229Pa(α); calculated α-decay anisotropy, deformation effects. Microscopic approach.
doi: 10.1134/1.1471268
2002ID01 Phys.Rev.Lett. 89, 042501 (2002) R.Id Betan, R.J.Liotta, N.Sandulescu, T.Vertse Two-Particle Resonant States in a Many-Body Mean Field NUCLEAR STRUCTURE 80Ni; calculated two-particle resonance energies. Berggren representation.
doi: 10.1103/PhysRevLett.89.042501
2001BI02 Phys.Rev. C63, 024610 (2001) A.Bianchini, R.J.Liotta, N.Sandulescu Critical Assessment of Particle Decay as a Probe to Study the Continuum
doi: 10.1103/PhysRevC.63.024610
2001CI07 Phys.Rev. C64, 057305 (2001) O.Civitarese, R.J.Liotta, T.Vertse Temperature Dependent BCS-Gap Equations in the Continuum NUCLEAR STRUCTURE Z=50-112; calculated quasiparticle energies, pair gaps for N=50, 114. 106Ba, 204Th; calculated pair gap vs temperature. Suitability of BCS method near proton drip line discussed.
doi: 10.1103/PhysRevC.64.057305
2001GR32 Phys.Rev. C64, 064321 (2001) M.Grasso, N.Sandulescu, V.G.Nguyen, R.J.Liotta Pairing and Continuum Effects in Nuclei Close to the Drip Line NUCLEAR STRUCTURE 84Ni; calculated single-particle energies, widths, neutron pairing densities. 74,76,78,80,82,84,86,88Ni; calculated pairing correlation energies, two-neutron separation energies, neutron radii. Hartree-Fock-Bogoliubov calculations, different boundary conditions compared.
doi: 10.1103/PhysRevC.64.064321
2001KA06 Phys.Rev. C63, 034304 (2001) S.P.Kamerdzhiev, R.J.Liotta, V.I.Tselyaev Random Phase Approximation for Odd Nuclei and Its Application to the Description of the Electric Dipole Modes in 17O NUCLEAR STRUCTURE 16,17O; calculated E1 resonance photoabsorption σ. Generalization of RPA for odd nuclei.
doi: 10.1103/PhysRevC.63.034304
2001KR06 Phys.Rev. C63, 044324 (2001) A.T.Kruppa, P.H.Heenen, R.J.Liotta Resonances in the Hartree-Fock BCS Theory NUCLEAR STRUCTURE 42,44Ti, 44,46Cr, 46,48Fe; calculated binding energies, radii. 40Ca, 48Ni; calculated single-particle resonance energies, widths. Hartree-Fock BCS theory.
doi: 10.1103/PhysRevC.63.044324
2000SA14 Phys.Rev. C61, 044317 (2000) N.Sandulescu, O.Civitarese, R.J.Liotta Temperature Dependent BCS Equations with Continuum Coupling
doi: 10.1103/PhysRevC.61.044317
2000SA27 Phys.Rev. C61, 061301 (2000) N.Sandulescu, V.G.Nguyen, R.J.Liotta Resonant Continuum in the Hartree-Fock + BCS Approximation NUCLEAR STRUCTURE 84Ni; calculated neutron density, single-neutron levels energies, occupation numbers; deduced role of resonanant continuum. Hartree-Fock plus BCS approach.
doi: 10.1103/PhysRevC.61.061301
1999DA05 Nucl.Phys. A646, 3 (1999) I.Danko, Zs.Dombradi, Z.Gacsi, J.Gulyas, A.Krasznahorkay, N.Sandulescu, J.Blomqvist, R.J.Liotta Low-Lying States of 109Sn from the 106Cd(α, nγ) Reaction NUCLEAR REACTIONS 106Cd(α, nγ), E=15-20 MeV; measured Eγ, Iγ. 106Cd(α, nγ), E=20 MeV; measured Eγ, Iγ, E(ce), I(ce), γγ-coin. 109Sn deduced levels, J, π, ICC, configurations. Superconducting magnetic lens electron spectrometer. Quasiparticle shell model analysis.
doi: 10.1016/S0375-9474(98)00631-9
1999DE51 Nucl.Phys. (Supplement) A654, 673c (1999) D.S.Delion, A.Insolia, R.J.Liotta Alpha and Exotic Cluster Decay with a New Single Particle Basis RADIOACTIVITY 212Po, 214Po, 216Po, 218Po, 216Rn, 218Rn, 220Rn, 222Rn, 220Ra, 222Ra, 224Ra, 226Ra, 224Th, 226Th, 228Th, 230Th, 232Th, 230U, 232U, 234U, 236U, 238U, 238Pu, 240Pu, 242Pu, 244Pu(α), 222Ra, 224Ra, 226Ra(14C); calculated spherical and deformed decay widths. Comparison with data, effects of deformation discussed.
doi: 10.1016/S0375-9474(00)88524-3
1999KI13 Phys.Scr. 59, 416 (1999) E.D.Kirchuk, J.Blomqvist, R.J.Liotta Δ Contribution for the Gamow-Teller Strength
doi: 10.1238/Physica.Regular.059a00416
1999MA05 Phys.Rev. C59, R589 (1999) E.Maglione, L.S.Ferreira, R.J.Liotta Proton Emission from Deformed Nuclei NUCLEAR STRUCTURE 109I, 131Eu, 141Ho; analyzed proton decay T1/2; deduced parent states deformation, configuration. Nilsson model.
doi: 10.1103/PhysRevC.59.R589
1999PO04 Phys.Rev. C59, 1534 (1999) G.Pollarolo, L.S.Ferreira, R.J.Liotta, E.Maglione Imaginary Potential for Exotic Nuclei NUCLEAR REACTIONS 124Sn(36Ca, 36Ca), (40Ca, 40Ca), (48Ca, 48Ca), (60Ca, 60Ca), E=167-192 MeV; calculated σ(θ), absorption, polarization potentials; deduced transfer, continuum contributions.
doi: 10.1103/PhysRevC.59.1534
1998DE05 Phys.Rev. C57, 986 (1998) D.S.Delion, R.J.Liotta, N.Sandulescu, T.Vertse Probing Monopole Double Giant Resonances by Dilepton (E0) Emission NUCLEAR STRUCTURE 208Pb; calculated two-particle plus two-hole levels, partial decay widths; deduced continuum coupling role, monopole, double giant resonances decay features.
doi: 10.1103/PhysRevC.57.986
1998DE42 Phys.Rev. C58, 2073 (1998) Microscopic Description of α Decay from Superdeformed Nuclei NUCLEAR STRUCTURE 152Dy, 192Pb; calculated α decay probability from superdeformed states. Microscopic model, exact treatment of barrier penetration.
doi: 10.1103/PhysRevC.58.2073
1998KA29 Phys.Rev. C58, 172 (1998) S.Kamerdzhiev, R.J.Liotta, E.Litvinova, V.Tselyaev Continuum Quasiparticle Random-Phase Approximation Description of Isovector E1 Giant Resonances NUCLEAR STRUCTURE 100,104,120,132Sn; calculated E1 photoabsorption σ; deduced continuum effect on giant resonances. Continuum RPA, forced consistency procedure.
doi: 10.1103/PhysRevC.58.172
1998LO10 Phys.Rep. 294, 265 (1998) R.G.Lovas, R.J.Liotta, A.Insolia, K.Varga, D.S.Delion Microscopic Theory of Cluster Radioactivity
doi: 10.1016/S0370-1573(97)00049-5
1998MA42 Phys.Rev.Lett. 81, 538 (1998) E.Maglione, L.S.Ferreira, R.J.Liotta Nucleon Decay from Deformed Nuclei NUCLEAR STRUCTURE 113Cs; calculated single particle levels; deduced particle decay widths. RADIOACTIVITY 113Cs(p); analyzed data; deduced parent state deformation, related features.
doi: 10.1103/PhysRevLett.81.538
1998ST02 Phys.Rev. C57, 798 (1998) E.Stefanescu, R.J.Liotta, A.Sandulescu Giant Resonances as Collective States with Dissipative Coupling
doi: 10.1103/PhysRevC.57.798
1998VE02 Phys.Rev. C57, 3089 (1998) T.Vertse, A.T.Kruppa, R.J.Liotta, W.Nazarewicz, N.Sandulescu, T.R.Werner Shell Corrections for Finite Depth Potentials: Particle continuum effects NUCLEAR STRUCTURE 78Ni, 90,96,104,106,108,110,122Zr, 124Zr, 132Sn, 146Gd, 208Pb, 298Fl; calculated neutron shell correction energies. 48Ni, 90Zr, 100,132Sn, 146Gd, 180,208Pb; calculated proton shell correction energies. 146Gd, 208Pb calculated smoothed level densities. Smoothing procedure with particle continuum contribution.
doi: 10.1103/PhysRevC.57.3089
1997DE16 Phys.Rev.Lett. 78, 4549 (1997) D.S.Delion, A.Insolia, R.J.Liotta Pairing Correlation and Quadrupole Deformation Effects on the 14C Decay RADIOACTIVITY 222,224,226Ra(α), (12C); calculated relative penetration factor, absolute 14C-decay widths. Heavy cluster decay, microscopic description.
doi: 10.1103/PhysRevLett.78.4549
1997DE30 Phys.Rev. C56, 1782 (1997) Nuclear Deformation in α Decay RADIOACTIVITY 170,172,174Os, 174,176,178Pt, 178,180,182Hg(α); calculated α-decay widths, spectroscopic factors; deduced quadrupole deformation role. Micoroscopic calculations.
doi: 10.1103/PhysRevC.56.1782
1997FE05 Phys.Rev.Lett. 78, 1640 (1997) L.S.Ferreira, E.Maglione, R.J.Liotta Nucleon Resonances in Deformed Nuclei NUCLEAR STRUCTURE 154Sm; analyzed single particle spectra. Coupled-channels approach, Woods-Saxon axially deformed potential.
doi: 10.1103/PhysRevLett.78.1640
1997KR10 Phys.Rev.Lett. 79, 2217 (1997) A.T.Kruppa, P.-H.Heenen, H.Flocard, R.J.Liotta Particle-Unstable Nuclei in the Hartree-Fock Theory NUCLEAR STRUCTURE 6,8,10He, 10C, 12,14,16,22,24,26,28O; calculated binding energies. 10He, 12,26,28O; calculated ground state decay widths. Complex scaled Hartree-Fock procedure, Skyrme effective interactions, several parametrizations compared.
doi: 10.1103/PhysRevLett.79.2217
1997LI43 Nuovo Cim. 110A, 1055 (1997) The Continuum in Cluster Decay
doi: 10.1007/BF03035945
1997SA08 Phys.Rev. C55, 1250 (1997) N.Sandulescu, O.Civitarese, R.J.Liotta, T.Vertse Effects Due to the Continuum on Shell Corrections at Finite Temperatures NUCLEAR STRUCTURE 208Pb; calculated neutrons shell correction to free energy; deduced corrections wash out temperature. Extension of Strutinsky method, finite depth mean field potential continuum spectrum included.
doi: 10.1103/PhysRevC.55.1250
1997SA18 Phys.Lett. 394B, 6 (1997) N.Sandulescu, R.J.Liotta, R.Wyss BCS Equations in the Continuum NUCLEAR STRUCTURE 170Sn; calculated continuum single particle spectrum resonant part. BCS equations, pairing correlations.
doi: 10.1016/S0370-2693(96)01688-7
1997SA22 Phys.Rev. C55, 2708 (1997) N.Sandulescu, J.Blomqvist, T.Engeland, M.Hjorth-Jensen, A.Holt, R.J.Liotta, E.Osnes Generalized Seniority Scheme in Light Sn Isotopes NUCLEAR STRUCTURE 104,106,108,110,112Sn; calculated levels, wave functions. Generalized seniority scheme, shell model, truncation.
doi: 10.1103/PhysRevC.55.2708
1996BL05 Phys.Rev. C53, 2001 (1996) J.Blomqvist, O.Civitarese, E.D.Kirchuk, R.J.Liotta, T.Vertse Feeding of Hole States by Proton Decay of Gamow-Teller and Isobaric Analog State Resonances NUCLEAR STRUCTURE 209Bi; calculated Gamow-Teller, IAR proton decay partial widths. RPA, Breggren representation.
doi: 10.1103/PhysRevC.53.2001
1996DA26 Phys.Rev. C54, 1217 (1996) C.H.Dasso, R.J.Liotta, M.Lozano Dynamic Effective Potential for α-Particle Bound and Quasibound States NUCLEAR REACTIONS 208Pb(α, α), E=16-480 MeV; analyzed data; deduced average potential V0(E). RADIOACTIVITY 212Po(α); calculated T1/2, penetration probability vs r(c). Dynamic effective potential.
doi: 10.1103/PhysRevC.54.1217
1996DE19 Phys.Rev. C54, 292 (1996) D.S.Delion, A.Insolia, R.J.Liotta New Single Particle Basis for Microscopic Description of Decay Processes RADIOACTIVITY 212,214,216,218Po, 216,218,220,222Rn, 220,222,224,226Ra, 224,226,228,230,232Th, 230,232,234,236,238U, 238,240,242,244Pu(α); calculated absolute α-decay widths. Microscopic description.
doi: 10.1103/PhysRevC.54.292
1996DE37 Phys.Rev. C54, 1169 (1996) D.S.Delion, A.Florescu, M.Huyse, J.Wauters, P.Van Duppen, A.Insolia, R.J.Liotta, and the ISOLDE Collaboration α Decay as a Probe for Phase Transitions in Nuclei RADIOACTIVITY 198,196,194Po, 202,200Rn, 188,186Pb, 184,182,180Hg(α); calculated α-decay hindrance factors; deduced nucleon correlations role, phase transitions probing possibility.
doi: 10.1103/PhysRevC.54.1169
1996FO09 Phys.Rev. C54, 3279 (1996) S.Fortunato, A.Insolia, R.J.Liotta, T.Vertse Two-Particle - One-Hole Excitations in the Continuum NUCLEAR STRUCTURE 209Bi; calculated i11/2, j15/2 states strength function. 209Pb; calculated neutron decay associated branching ratios. Resonant multi-step shell model method.
doi: 10.1103/PhysRevC.54.3279
1996LI08 Nucl.Phys. A599, 327c (1996) R.J.Liotta, E.Maglione, T.Vertse Microscopic Structure and Decay Characteristics of Giant Resonances NUCLEAR STRUCTURE 208Pb; calculated monopole, dipole, quadrupole resonances, sum rule exhaustion, decay (in some cases) features. Continuum RPA.
doi: 10.1016/0375-9474(96)00075-9
1996LI57 Phys.Lett. 367B, 1 (1996) R.J.Liotta, E.Maglione, N.Sandulescu, T.Vertse A Representation to Describe Nuclear Processes in the Continuum
doi: 10.1016/0370-2693(95)01415-2
1995DE43 Phys.Rev.Lett. 74, 3939 (1995) D.S.Delion, A.Florescu, M.Huyse, J.Wauters, P.Van Duppen, A.Insolia, R.J.Liotta, and the ISOLDE Collaboration Microscopic Description of Alpha Decay to Intruder 0+2 States in Pb, Po, Hg, and Pt Isotopes RADIOACTIVITY 194,196,198Po(α); 200,202Rn(α); 188,186Pb; 180,182,184Hg; calculated hindrance factors. Quasiparticle RPA.
doi: 10.1103/PhysRevLett.74.3939
1995SA03 Nucl.Phys. A582, 257 (1995) N.Sandulescu, J.Blomqvist, R.J.Liotta Microscopic Description of Light Sn Isotopes NUCLEAR STRUCTURE 103,104,105,106,107,108,109,110,111,112,113Sn; calculated levels. Quasiparticle multi-step shell model.
doi: 10.1016/0375-9474(94)00455-V
1995SA49 Phys.Scr. T56, 84 (1995) N.Sandulescu, J.Blomqvist, R.J.Liotta Microscopic Description of Light Sn Isotopes NUCLEAR STRUCTURE A=100-114; compiled, reviewed level calculation, Sn isotopes. Shell model.
doi: 10.1088/0031-8949/1995/T56/013
1995VE02 Nucl.Phys. A584, 13 (1995) T.Vertse, R.J.Liotta, E.Maglione Exact and Approximate Calculation of Giant Resonances NUCLEAR STRUCTURE 208Pb; calculated giant resonances, decay widths, energy weighted sum rules. Exact, approximate approaches.
doi: 10.1016/0375-9474(94)00502-E
1994DE12 Phys.Rev. C49, 3024 (1994) D.S.Delion, A.Insolia, R.J.Liotta Microscopic Description of the Anisotropy in Alpha Decay RADIOACTIVITY 201,203,205,207,209,211At, 205,207,209,219Rn, 221Fr(α); calculated deformation, α-decay width, Iα(θ). Microscopic description, realistic mean field+pairing residual interaction.
doi: 10.1103/PhysRevC.49.3024
1994DE38 J.Phys.(London) G20, 1483 (1994) D.S.Delion, A.Insolia, R.J.Liotta Microscopic Description of Cluster Decay RADIOACTIVITY 222,224,226Ra(14C); 114Ba(12C); calculated cluster emission total widths, spectroscopic factors. Microscopic approach.
doi: 10.1088/0954-3899/20/9/017
1994LI68 Z.Phys. A347, 231 (1994) P.Lind, R.J.Liotta, E.Maglione, T.Vertse Resonant State Expansions of the Continuum
doi: 10.1007/BF01289789
1994SA55 J.Phys.(London) G20, 2001 (1994) Pauli Blocking in the BCS Approximation for Spherical Nuclei NUCLEAR STRUCTURE 111Sn; calculated Pauli-blocking corrections, single particle energies renormalization. BCS approximation.
doi: 10.1088/0954-3899/20/12/016
1994VA21 Phys.Rev. C50, R1292 (1994) Shell Model on a Random Gaussian Basis NUCLEAR STRUCTURE 212Po; calculated energy convergence vs basis dimension, α-decay width. Random Gaussian basis, shell model.
doi: 10.1103/PhysRevC.50.R1292
1994VA31 Z.Phys. A349, 345 (1994) K.Varga, R.G.Lovas, R.J.Liotta Absolute Alpha-Decay Width of 212Po in an Mixed Shell-and-Cluster Model RADIOACTIVITY 212Po(α); calculated absolute α-decay width. Shell plus α-cluster models.
doi: 10.1007/BF01288990
1993CI02 Phys.Rev. C47, 1060 (1993) O.Civitarese, A.G.Dumrauf, R.J.Liotta Particle-Vibration Coupling in a Basis with Resonant States NUCLEAR STRUCTURE 208Pb; calculated particle-hole multipole excitations, one-proton state escape widths. Resonant RPA formalism.
doi: 10.1103/PhysRevC.47.1060
1993DE38 J.Phys.(London) G19, L189 (1993) D.S.Delion, A.Insolia, R.J.Liotta New Decay Modes: Is a microscopic approach feasible ( Question ) RADIOACTIVITY 222,224Ra(14C), (α); calculated decay width Γ, ratios. Microscopic approach.
doi: 10.1088/0954-3899/19/12/002
1993LE13 Phys.Rev. C48, 1463 (1993) S.M.Lenzi, O.Dragun, E.E.Maqueda, R.J.Liotta, T.Vertse Description of Alpha Clustering Including Continuum Configuration NUCLEAR STRUCTURE 212Po; calculated α-cluster formation amplitude vs radius; deduced clustering can be described beyond daughter nucleus surface.
doi: 10.1103/PhysRevC.48.1463
1993MA01 Phys.Lett. 298B, 1 (1993) E.Maglione, R.J.Liotta, T.Vertse Partial Decay Widths from Giant Resonances in 208Pb NUCLEAR STRUCTURE 208Pb; calculated giant resonance partial decay width. Continuum RPA.
doi: 10.1016/0370-2693(93)91695-J
1993PL03 Nucl.Phys. A562, 88 (1993) A.J.M.Plompen, J.Blomqvist, M.P.Carpenter, M.N.Harakeh, W.H.A.Hesselink, R.V.F.Janssens, R.J.Liotta, N.Sandalescu Non-Collective Degrees of Freedom in 192Pb NUCLEAR REACTIONS 173Yb(24Mg, 5n), E=132 MeV; measured Iγ(θ), DCO. 192Pb deduced levels, J, π, configuration. Quasiparticle multi-step shell model.
doi: 10.1016/0375-9474(93)90033-T
1993SA04 Phys.Rev. C47, 554 (1993) N.Sandulescu, A.Insolia, J.Blomqvist, R.J.Liotta Three-Quasiparticle States Analysis in Odd-Mass Lead Isotopes NUCLEAR STRUCTURE 196,197,198,199,200,201,202,203,204Pb; calculated levels. Quasiparticle multi-step shell model method, three-quasiparticle excitations.
doi: 10.1103/PhysRevC.47.554
1993SA51 Roum.J.Phys. 38, 445 (1993) N.Sandulescu, A.Insolia, J.Blomqvist, R.J.Liotta Multistep-Shell-Model Method Calculation of High Quasiparticle Excitations NUCLEAR STRUCTURE 196,197,198,199,200,201,202,203,204Pb; 114,116,118,120,122,124,126,128,117,119,121,123Sn; calculated levels. Multi-step shell model, quasiparticle excitations.
Back to query form [Next] |