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NSR database version of April 11, 2024.

Search: Author = L.S.Ferreira

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2023AU03      Phys.Rev. C 108, L011303 (2023)

K.Auranen, P.Siwach, P.Arumugam, A.D.Briscoe, L.S.Ferreira, T.Grahn, P.T.Greenlees, A.Herzan, A.Illana, D.T.Joss, H.Joukainen, R.Julin, H.Jutila, M.Leino, J.Louko, M.Luoma, E.Maglione, J.Ojala, R.D.Page, J.Pakarinen, P.Rahkila, J.Romero, P.Ruotsalainen, M.Sandzelius, J.Saren, A.Tolosa-Delgado, J.Uusitalo, G.Zimba

Probing triaxiality beyond the proton drip line: Spectroscopy of 147Tm

NUCLEAR REACTIONS 92Mo(58Ni, 2np)147Tm, E=250 MeV; measured Eγ, Iγ, fusion-evaporation residues, recoils, γγ-coin, (recoils)γ-coin, γ(θ). 147Tm; deduced levels, J, π, angular distribution coefficients, high-spin states, spin-parity of the isomeric proton decaying state, triaxiality evidences for ground-state ans isomeric state, configurations. Comparison to nonadiabatic quasiparticle model calculation. Recoil-decay tagging study using the vacuum-mode recoil separator MARA coupled with the JUROGAM3 g-ray spectrometer at Accelerator Laboratory of University of Jyvaskyla.

RADIOACTIVITY 147mTm(p) [from 92Mo(58Ni, 2np), E=250 MeV]; measured Eγ, Iγ, recoils, γγ-coin, (recoils)γ-coin; deduced T1/2 of the 5/2+ isomeric state proton decay. Recoil-decay tagging study using the vacuum-mode recoil separator MARA coupled with the JUROGAM3 g-ray spectrometer at Accelerator Laboratory of University of Jyvaskyla.

doi: 10.1103/PhysRevC.108.L011303
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2022AU01      Phys.Rev.Lett. 128, 112501 (2022)

K.Auranen, A.D.Briscoe, L.S.Ferreira, T.Grahn, P.T.Greenlees, A.Herzan, A.Illana, D.T.Joss, H.Joukainen, R.Julin, H.Jutila, M.Leino, J.Louko, M.Luoma, E.Maglione, J.Ojala, R.D.Page, J.Pakarinen, P.Rahkila, J.Romero, P.Ruotsalainen, M.Sandzelius, J.Saren, A.Tolosa-Delgado, J.Uusitalo, G.Zimba

Nanosecond-Scale Proton Emission from Strongly Oblate-Deformed 149Lu

RADIOACTIVITY 149Lu(p) [from 96Ru(58Ni, 4np)149Lu, E=310, 320 MeV]; measured decay products, Eγ, Iγ, Ep, Ip; deduced energy spectrum of the protons, proton decay T1/2, Q-value. Comparison with theoretical calculations. The MARA vacuum-mode recoil separator, the K130 cyclotron of University of Jyvaskyla.

doi: 10.1103/PhysRevLett.128.112501
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2022SI09      Phys.Rev. C 105, L031302 (2022)

P.Siwach, P.Arumugam, S.Modi, L.S.Ferreira, E.Maglione

Fine structure in the odd-odd proton emitter 144Tm

RADIOACTIVITY 144Tm(p); calculated T1/2, branching ratios. 144Tm; calculated J, π of the ground state, configuration. 143Er; J, π, levels. Nonadiabatic quasiparticle approach. Proposed triaxial deformation for the ground state of 144Tm. Comparison to available experimental data.

doi: 10.1103/PhysRevC.105.L031302
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2022SI26      Phys.Rev. C 106, 044322 (2022)

P.Siwach, P.Arumugam, S.Modi, L.S.Ferreira, E.Maglione

Effects of triaxiality and residual $np$ interaction in the proton emission from 140Ho

RADIOACTIVITY 140Ho(p); calculated T1/2, branching ratios to excited states in 139Dy. 139Dy, 140Ho; calculated levels, J, π, neutron single-particle energy levels, rotational energies, contributions of various single-particle configurations to rotational states. Calculations within nonadiabatic quasiparticle approach considering the role of residual neutron-proton interaction and triaxiality. Comparison to experimental data.

doi: 10.1103/PhysRevC.106.044322
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2021SI06      Phys.Rev. C 103, 024327 (2021)

P.Siwach, P.Arumugam, L.S.Ferreira, E.Maglione

Behavior of chiral bands in 128, 130Cs and 130La

NUCLEAR STRUCTURE 128,130Cs, 130La; calculated rotational energies, odd-even staggering, B(M1), B(M1)/B(E2), B(E2), contributions of single-particle configurations as a function of spin for positive-parity chiral doublet bands, root mean square (rms) values of the core, proton, and neutron angular momentum components. Nonadiabatic quasiparticle approach. Comparison with experimental data.

doi: 10.1103/PhysRevC.103.024327
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2021SI10      Phys.Rev. C 103, L031303 (2021)

P.Siwach, P.Arumugam, S.Modi, L.S.Ferreira, E.Maglione

Interpretation of 108I as an odd-odd γ-deformed proton emitter

NUCLEAR STRUCTURE 107Te, 107I; calculated Single-particle and quasiparticle levels for neutrons in 107Te and for protons in 107I, rotational energies, J, π of 107Te. 108I; calculated rotational energies, J, π, configurations, proton emission half-life as function of γ and β2 deformation parameters, contribution of single-particle configurations with and without np interaction. 108I; deduced g.s. Jπ from GM splitting and Newby shift. Comparison with experimental proton emission half-life of 108I. Nonadiabatic quasiparticle microscopic approach to interpret the data for triaxial odd-odd proton emitters.

doi: 10.1103/PhysRevC.103.L031303
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2020SI25      J.Phys.(London) G46, 125105 (2020)

P.Siwach, P.Arumugam, S.Modi, L.S.Ferreira, E.Maglione

Nonadiabatic quasiparticle description of rotation-particle coupling in triaxial odd-odd nuclei

NUCLEAR STRUCTURE 138Pm, 180Ta; calculated single-particle and quasiparticle energies, bands, staggering, J, π.

doi: 10.1088/1361-6471/abb6c2
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2020SI29      Phys.Lett. B 811, 135937 (2020)

P.Siwach, P.Arumugam, L.S.Ferreira, E.Maglione

Chirality in 136, 138Pm

NUCLEAR STRUCTURE 136,138Pm; analyzed available data; calculated rotational energies, band staggering, B(E2), B(M1), chiral geometry, probability of single-particle configurations; deduced the assignment of J and π to theband-head of yrast band.

doi: 10.1016/j.physletb.2020.135937
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2017MO08      Phys.Rev. C 95, 024326 (2017)

S.Modi, M.Patial, P.Arumugam, E.Maglione, L.S.Ferreira

Nonadiabatic quasiparticle approach for rotation-particle coupling in triaxial odd-A nuclei

NUCLEAR STRUCTURE 132,134Ba, 134,136Ce, 136,138Nd, 136,138Sm, 140,142Gd; analyzed parameters of the Variable moment of inertia (VMI) model from fitting of the experimental levels for ground and γ band using four different methods, including triaxial deformation. 136Nd, 137Pm; calculated levels, J, π, bands using the parameters from VMI model analysis, and considering β2 and γ deformation. Comparison with experimental data.

doi: 10.1103/PhysRevC.95.024326
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2017MO17      Phys.Rev. C 95, 054323 (2017)

S.Modi, M.Patial, P.Arumugam, E.Maglione, L.S.Ferreira

Triaxiality in the proton emitter 109I

NUCLEAR STRUCTURE 108Te; calculated levels, J, π with different triaxial deformations and compared with experimental data. 109I; calculated single-particle and quasiparticle energies as function deformation parameters β2 and γ, negative- and positive-parity bands as functions of deformation parameters β2, β4 and γ, yrast states, probability density of different single-particle angular momentum states. Nonadiabatic quasiparticle approach with the inclusion of triaxial degree of freedom.

RADIOACTIVITY 109I(p); calculated half-life of proton emission from the yrast states of 109I as function of β2 and γ, and compared to the experimental value.

doi: 10.1103/PhysRevC.95.054323
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2017MO22      Phys.Scr. 92, 094002 (2017)

S.Modi, M.Patial, P.Arumugam, E.Maglione, L.S.Ferreira

Modified particle-rotor model and low-lying rotational bands in odd-A triaxial nuclei

doi: 10.1088/1402-4896/aa81ec
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2017MO42      Phys.Rev. C 96, 064308 (2017)

S.Modi, M.Patial, P.Arumugam, L.S.Ferreira, E.Maglione

Decay of 147Tm and the role of triaxiality studied with a nonadiabatic quasiparticle approach

NUCLEAR STRUCTURE 140,142,144Dy, 141Ho, 145,147Tm; calculated levels, J, π, rotational bands, single-particle and quasiparticle energies in 147Tm using modified particle-rotor model, with the microscopic nonadiabatic quasiparticle approach. Comparison with experimental data.

RADIOACTIVITY 147,147mTm(p); calculated half-lives; deduced Jπ of g.s. and isomer of 147Tm. Comparison with experimental values.

doi: 10.1103/PhysRevC.96.064308
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2017SU31      Phys.Rev.Lett. 119, 192503 (2017)

H.Suzuki, L.Sinclair, P.-A.Soderstrom, G.Lorusso, P.Davies, L.S.Ferreira, E.Maglione, R.Wadsworth, J.Wu, Z.Y.Xu, S.Nishimura, P.Doornenbal, D.S.Ahn, F.Browne, N.Fukuda, N.Inabe, T.Kubo, D.Lubos, Z.Patel, S.Rice, Y.Shimizu, H.Takeda, H.Baba, A.Estrade, Y.Fang, J.Henderson, T.Isobe, D.Jenkins, S.Kubono, Z.Li, I.Nishizuka, H.Sakurai, P.Schury, T.Sumikama, H.Watanabe, V.Werner

Discovery of 72Rb: A Nuclear Sandbank Beyond the Proton Drip Line

NUCLEAR REACTIONS 9Be(124Xe, X)72Rb/73Rb/77Zr, E=345 MeV/nucleon; measured reaction products; deduced T1/2. Comparison with shell model calculations using the GXPF1A interaction.

doi: 10.1103/PhysRevLett.119.192503
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2016HO16      Phys.Rev. C 94, 034321 (2016)

D.Hodge, D.M.Cullen, M.J.Taylor, B.S.Nara Singh, L.S.Ferreira, E.Maglione, J.F.Smith, C.Scholey, P.Rahkila, T.Grahn, T.Braunroth, H.Badran, L.Capponi, A.Girka, P.T.Greenlees, R.Julin, J.Konki, M.Mallaburn, O.Nefodov, G.G.O'Neill, J.Pakarinen, P.Papadakis, J.Partanen, P.Ruotsalainen, M.Sandzelius, J.Saren, M.Smolen, J.Sorri, S.Stolze, J.Uusitalo

Deformation of the proton emitter 113CS from electromagnetic transition and proton-emission rates

NUCLEAR REACTIONS 58Ni(58Ni, 2np), E=230 MeV; measured Eγ, Iγ, proton-tagged γ spectra, Ep, Ip, half-life of 113Cs proton decay, level half-lives by recoil-decay-tagged differential-plunger combined with differential decay curve method (DDCM) using RITU separator, JUROGAM-II array and GREAT spectrometer at Jyvaskyla K130 cyclotron facility. Recoil-decay tagging method. 113Cs; deduced levels, J, B(E2), deformation of the proton-emitting ground state. Nonadiabatic quasiparticle model calculations.

doi: 10.1103/PhysRevC.94.034321
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2016MA67      Phys.Rev. C 94, 044317 (2016)

E.Maglione, L.S.Ferreira

Proton emission from 125Pm could be observed

RADIOACTIVITY 125Pm(p); calculated half-lives for emission of a proton from different spherical single-particle state as function of proton energy, Nilsson energy levels for protons, negative parity states with respect to 11/2- state, branching ratios for decay from different single-particle states to the 2+ state in 124Nd. Discussed feasibility of experimental observation of proton decay of 125Pm.

NUCLEAR STRUCTURE 125,131,133Pm; calculated Nilsson energy levels for protons for 125Pm, energy spectra of negative and positive parity states, energy difference between 11/2- and 3/2+ states. Systematics of ground-state rotational bands in 130,132,134,136Nd and 131,133,135,137Pm.

doi: 10.1103/PhysRevC.94.044317
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2015TA12      Phys.Rev. C 91, 044322 (2015)

M.J.Taylor, D.M.Cullen, M.G.Procter, A.J.Smith, A.McFarlane, V.Twist, G.A.Alharshan, L.S.Ferreira, E.Maglione, K.Auranen, T.Grahn, P.T.Greenlees, K.Hauschild, A.Herzan, U.Jakobsson, R.Julin, S.Juutinen, S.Ketelhut, J.Konki, M.Leino, A.Lopez-Martens, J.Pakarinen, J.Partanen, P.Peura, P.Rahkila, S.Rinta-Antila, P.Ruotsalainen, M.Sandzelius, J.Saren, C.Scholey, J.Sorri, S.Stolze, J.Uusitalo, M.Doncel

Oblately deformed isomeric proton-emitting state in 151Lu

NUCLEAR REACTIONS 96Ru(58Ni, 2np), E=290 MeV; measured reaction products using RITU separator and GREAT spectrometer, Eγ, Iγ, γγ-, pγ-, (recoils)γ-coin, E(p), I(p), half-lives of the ground state and an isomer from proton-decay curves, level half-lives by recoil-distance Doppler shift method using a plunger device at the University of Jyvaskyla Accelerator Laboratory. Recoil-decay tagging method. 151Lu; deduced levels, J, π, bands, configuration. Comparison with nonadiabatic quasiparticle model calculations.

RADIOACTIVITY 151Lu(p)[from 96Ru(58Ni, 2np), E=290 MeV]; measured E(p), I(p), half-lives of ground state and isomer; deduced deformation parameters, configuration. Comparison with nonadiabatic quasiparticle model calculations, and with previous experimental results. 149Tb, 150,151Dy, 151,151mHo, 152Er, 153,154Tm, 154,155Yb, 156Lu(α); observed α lines in the charged-particle spectrum.

doi: 10.1103/PhysRevC.91.044322
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2013PA37      Phys.Rev. C 88, 054302 (2013)

M.Patial, P.Arumugam, A.K.Jain, E.Maglione, L.S.Ferreira

Nonadiabatic quasiparticle approach for deformed odd-odd nuclei and the proton emitter 130Eu

RADIOACTIVITY 130Eu(p); calculated half-lives for different combinations of spins and parities of 130Eu, and different parameters for Coriolis and residual np interactions. Confirmation of 1+ for 130Eu parent state.

NUCLEAR STRUCTURE 180Ta; calculated proton and neutron Nilsson levels as function of β2 deformation, ground-state band, odd-even staggering for ground-state band. 178Hf, 132Sm; calculated levels of ground-state band as function of VMI parameter. 129Sm; calculated Nilsson neutron levels as function of β2 deformation, and as function of Coriolis attenuation factor. 130Eu; calculated Nilsson neutron levels as function of β2 deformation, and energies of lowest states for various configurations. Nonadiabatic approach for two quasiparticle plus rotor model (TQPRM) in the strong coupling limit with meanfield from deformed Woods-Saxon potential. Comparison with experimental data.

doi: 10.1103/PhysRevC.88.054302
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2013PR05      Phys.Lett. B 725, 79 (2013)

M.G.Procter, D.M.Cullen, M.J.Taylor, G.A.Alharshan, L.S.Ferreira, E.Maglione, K.Auranen, T.Grahn, P.T.Greenlees, U.Jakobsson, R.Julin, A. Herzan, J.Konki, M.Leino, J.Pakarinen, J.Partanen, P.Peura, P.Rahkila, P.Ruotsalainen, M.Sandzelius, J.Saren, S.Stolze, C.Scholey, J.Sorri, J.Uusitalo, T.Braunroth, E.Ellinger, A.Dewald, D.T.Joss, C.McPeake, B.Saygi

Proton emission from an oblate nucleus 151Lu

NUCLEAR REACTIONS 96Ru(58Ni, X)151Lu, E=290 MeV; measured reaction products, Eγ, Iγ; deduced bands, level energies, J, π, oblate deformation, lifetime of the first excited state above the proton-emitting ground state. Comparison with theoretical calculations based upon a non-adiabatic deformed Woods-Saxon potential, available data.

doi: 10.1016/j.physletb.2013.06.045
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2011FE11      J.Phys.:Conf.Ser. 312, 092024 (2011)

L.S.Ferreira, E.Maglione, P.Arumugam

Nuclear Structure Studies at the Borders of Stability

NUCLEAR STRUCTURE 142Dy, 145Tm; calculated rotational levels, J, π. 145Tm; calculated proton emission width, branching ratio, deformation parameter. Nonadiabatic quasiparticle approach; rotational levels compared with data.

doi: 10.1088/1742-6596/312/9/092024
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2010FE07      Nucl.Phys. A834, 416c (2010)

L.S.Ferreira, E.Maglione

Proton emission as a probe for Partial Rotation Alignment

RADIOACTIVITY 121Pr(p); calculated T1/2 using adiabatic and non-adiabatic approaches.

NUCLEAR STRUCTURE 121Pr; calculated levels, J, π, β2 of individual states using adiabatic and non-adiabatic approaches.

doi: 10.1016/j.nuclphysa.2010.01.053
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2009AR12      Phys.Lett. B 680, 443 (2009)

P.Arumugam, L.S.Ferreira, E.Maglione

Proton emission, gamma deformation, and the spin of the isomeric state of 141Ho

NUCLEAR STRUCTURE 140Dy, 141Ho; calculated rotational level energies using triaxial rigid rotor model. Comparison with data.

RADIOACTIVITY 141Ho(p); calculated decay widths, branching ratio and excitation spectra using the nonadiabatic quasiparticle method with triaxial deformation. Comparison with data.

doi: 10.1016/j.physletb.2009.09.038
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2008AR11      Phys.Rev. C 78, 041305 (2008)

P.Arumugam, L.S.Ferreira, E.Maglione

Fine structure in proton radioactivity: An accurate tool to ascertain the breaking of axial symmetry in 145Tm

NUCLEAR STRUCTURE 142Dy, 145Tm; calculated rotational level energies using triaxial rigid rotor, particle rigid rotor calculations.

RADIOACTIVITY 145Tm(p); calculated level energies, decay widths, fine structure in proton spectra. Comparison with experimental data.

doi: 10.1103/PhysRevC.78.041305
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2007AR30      Phys.Rev. C 76, 044311 (2007)

P.Arumugam, E.Maglione, L.S.Ferreira

Nonadiabatic quasiparticle description of triaxially deformed proton emitters

NUCLEAR STRUCTURE 161Re, 185Bi; calculated proton emission half-lives, level energies, triaxial deformation parameters, pairing effects.

doi: 10.1103/PhysRevC.76.044311
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2007FE10      Prog.Part.Nucl.Phys. 59, 418 (2007)

L.S.Ferreira, M.C.Lopes, E.Maglione

Decays of drip line nuclei

doi: 10.1016/j.ppnp.2007.01.011
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2006FE12      Phys.Scr. T125, 49 (2006)

L.S.Ferreira, M.C.Lopes, E.Maglione

Deformed proton emitters, Coriolis interaction and pseudo-spin doublets

RADIOACTIVITY 113Cs(p); calculated resonance T1/2 vs deformation.

doi: 10.1088/0031-8949/2006/T125/011
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2006LO18      Int.J.Mod.Phys. E15, 1789 (2006)

M.C.Lopes, L.S.Ferreira, E.Maglione

Importance of Coriolis interaction in deformed proton emitters

NUCLEAR STRUCTURE 113Cs; calculated single-particle level energies, proton decay T1/2, role of Coriolis interaction.

doi: 10.1142/S0218301306005447
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2005FE06      Nucl.Phys. A752, 223c (2005)

L.S.Ferreira, E.Maglione

Proton radioactivity and the proton drip line

RADIOACTIVITY 109I, 112,113Cs, 117,117mLa, 131Eu, 140,141,141mHo, 150,150m,151,151mLu(p); analyzed proton-decay data; deduced J, deformation parameters. Non-adiabatic quasiparticle model.

doi: 10.1016/j.nuclphysa.2005.02.037
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2005FE08      J.Phys.(London) G31, S1569 (2005)

L.S.Ferreira, E.Maglione

Structure of proton-radioactive nuclei

RADIOACTIVITY 109I, 113Cs, 117,117mLa, 131Eu, 141,141mHo, 151,151mLu(p); analyzed T1/2; deduced angular momentum, deformation. Non-adiabatic quasiparticle approach.

doi: 10.1088/0954-3899/31/10/034
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2005NI05      Nucl.Phys. A749, 118c (2005)

O.E.Nicotra, M.Baldo, L.S.Ferreira

The limiting Temperature of hot nuclei from microscopic Equation of State

doi: 10.1016/j.nuclphysa.2004.12.018
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2004MA67      Prog.Theor.Phys.(Kyoto), Suppl. 154, 154 (2004)

E.Maglione, L.S.Ferreira

Theoretical Description of Proton Radioactivity

RADIOACTIVITY 117La(p); calculated proton decay T1/2 vs deformation. 141Ho(p); calculated level configuration for proton-decaying states.

NUCLEAR STRUCTURE 117La; calculated proton decay T1/2 vs deformation. 141Ho; calculated level configuration for proton-decaying states.

doi: 10.1143/PTPS.154.154
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2003FI05      Phys.Rev. C 67, 054302 (2003)

G.Fiorin, E.Maglione, L.S.Ferreira

Theoretical description of deformed proton emitters: Nonadiabatic quasiparticle method

RADIOACTIVITY 141Ho(p); calculated proton decay width, T1/2, pairing interaction effects.

doi: 10.1103/PhysRevC.67.054302
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2002CA20      Phys.Rep. 362, 303 (2002)

G.Cattapan, L.S.Ferreira

The Role of the Δ in Nuclear Physics

doi: 10.1016/S0370-1573(01)00093-X
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2002FE03      Phys.Rev. C65, 024323 (2002)

L.S.Ferreira, E.Maglione, D.E.P.Fernandes

Dependence of the Decay Widths for Proton Emission on the Single Particle Potential

RADIOACTIVITY 131Eu, 141Ho(p); calculated proton decay widths, T1/2, dependence on single-particle potential.

doi: 10.1103/PhysRevC.65.024323
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2002MA62      Eur.Phys.J. A 15, 89 (2002)

E.Maglione, L.S.Ferreira

New developments in the theory of proton radioactivity

RADIOACTIVITY 109I, 112,113Cs, 117La, 131Eu, 140,141Ho, 150,151Lu(p); analyzed proton-decay data. Unified description for spherical and deformed nuclei.

doi: 10.1140/epja/i2001-10232-x
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2002MA75      Prog.Theor.Phys.(Kyoto), Suppl. 146, 525 (2002)

E.Maglione, L.S.Ferreira

Proton Emission from Odd-Even and Odd-Odd Deformed Drip-Line Nuclei

RADIOACTIVITY 112Cs, 131Eu, 140,141Ho, 150Lu(p); analyzed T1/2; deduced parent levels J, π, configurations, deformation.

doi: 10.1143/PTPS.146.525
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2001FE03      Nucl.Phys. A681, 382c (2001)


The Liquid-Gas Phase Transition and the Limiting Temperature of Finite Nuclei

doi: 10.1016/S0375-9474(00)00542-X
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2001FE05      Phys.Rev.Lett. 86, 1721 (2001)

L.S.Ferreira, E.Maglione

Odd-Odd Deformed Proton Emitters

RADIOACTIVITY 112Cs, 140Ho, 150Lu(p); calculated T1/2 as a function of deformation. 112Cs, 140Ho, 150Lu deduced ground and isomeric state J, π, Nilsson orbital, configuration, deformation. Gamow-state calculations, comparisons with data.

doi: 10.1103/PhysRevLett.86.1721
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2001SO02      Phys.Rev. C63, 031304 (2001)

F.Soramel, A.Guglielmetti, L.Stroe, L.Muller, R.Bonetti, G.L.Poli, F.Malerba, E.Bianchi, A.Andrighetto, J.Y.Guo, Z.C.Li, E.Maglione, F.Scarlassara, C.Signorini, Z.H.Liu, M.Ruan, M.Ivascu, C.Broude, P.Bednarczyk, L.S.Ferreira

New Strongly Deformed Proton Emitter: 117La

RADIOACTIVITY 117La(p) [from 64Zn(58Ni, p4n), E=310 MeV]; measured proton spectra, T1/2. 117La deduced ground state and isomeric level T1/2, J, π, deformation, Nilsson orbital. Comparison with Gamow-state calculations. Mass separator.

doi: 10.1103/PhysRevC.63.031304
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2000FE02      Phys.Rev. C61, 021304 (2000)

L.S.Ferreira, E.Maglione

151Lu: Spherical or deformed ?

NUCLEAR STRUCTURE 151Lu; calculated single-particle levels, proton emission T1/2; deduced oblate deformation.

doi: 10.1103/PhysRevC.61.021304
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2000MA18      Phys.Rev. C61, 047307 (2000)

E.Maglione, L.S.Ferreira

Fine Structure in Proton Emission from Deformed 131Eu

RADIOACTIVITY 131Eu(p); calculated T1/2, branching ratios, deformation. Deformed mean-field approach.

doi: 10.1103/PhysRevC.61.047307
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1999BA08      Phys.Rev. C59, 682 (1999)

M.Baldo, L.S.Ferreira

Nuclear Liquid-Gas Phase Transition

doi: 10.1103/PhysRevC.59.682
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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
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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
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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
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1997BI05      Phys.Rev. C56, 670 (1997)

P.J.A.Bicudo, L.S.Ferreira, C.M.Placido, J.E.F.T.Ribeiro

Repulsive Core of NN S-Wave Scattering in a Quark Model with a Condensed Vacuum

doi: 10.1103/PhysRevC.56.670
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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
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1996BA02      Phys.Rev. C53, R18 (1996)

J.M.Bang, L.S.Ferreira, E.Maglione, J.M.Hansteen

Energy Dependence of Fusion Cross Sections

NUCLEAR REACTIONS 3He(d, p), E=low; analyzed fusion σ enhancement; deduced beam energy underestimation effects role.

doi: 10.1103/PhysRevC.53.R18
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1995BA13      Nucl.Phys. A583, 599c (1995)

M.Baldo, G.Giansiracusa, U.Lombardo, I.Bombaci, L.S.Ferreira

Microscopic Theory of the Nuclear Equation of State

doi: 10.1016/0375-9474(94)00733-4
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1994BA13      Nucl.Phys. A569, 645 (1994)

M.Baldo, L.S.Ferreira

Role in the Δ-Potential in the Nuclear-Matter Saturation Mechanism

doi: 10.1016/0375-9474(94)90378-6
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1994BA56      Phys.Rev. C50, 1887 (1994)

M.Baldo, L.S.Ferreira

Dependence of the Landau Parameters on the Single Particle Potential

doi: 10.1103/PhysRevC.50.1887
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1994MA34      Phys.Rev. C50, 1240 (1994)

E.Maglione, L.S.Ferreira

Single Particle Energies in 17O with the Bonn Potential

NUCLEAR STRUCTURE 17O; calculated single particle energies. Folded diagram many-body perturbation theory, G-matrix approach, Bonn potential.

doi: 10.1103/PhysRevC.50.1240
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1993FE04      Phys.Lett. 316B, 23 (1993)

L.S.Ferreira, E.Maglione, J.M.Bang, I.J.Thompson, B.V.Danilin, M.V.Zhukov, J.S.Vaagen

Cross Sections for Coulomb Break-Up of the Halo Nucleus 6He

NUCLEAR REACTIONS Pb, Cu, C(6He, X), E ≥ 30 MeV/nucleon; calculated E1 dissociation σ. Three-body model.

doi: 10.1016/0370-2693(93)90651-W
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1992BA20      Europhys.Lett. 18, 679 (1992)

J.M.Bang, L.S.Ferreira, E.Maglione

11Li Dipole Moments

NUCLEAR STRUCTURE 11Li; calculated soft dipole mode energy. Three-body wave functions.

doi: 10.1209/0295-5075/18/8/003
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1991MA41      Phys.Lett. 262B, 179 (1991)

E.Maglione, L.S.Ferreira

Finite Nuclei Calculations with Realistic Potential Models

NUCLEAR STRUCTURE 18,19,20O, 18,19,20F; calculated levels. Realistic potential models.

doi: 10.1016/0370-2693(91)91550-F
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1988AH03      Nucl.Phys. A485, 621 (1988)

J.Ahrens, L.S.Ferreira, W.Weise

Photonuclear Dispersion Relation and Δ Excitations in Nuclei

NUCLEAR REACTIONS 12C, 27Al, 208Pb, 238U(γ, X), E < 500 MeV; calculated σ(E). Dispersion relation approach.

doi: 10.1016/0375-9474(88)90557-X
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1988BA09      Nucl.Phys. A480, 271 (1988)

M.Baldo, L.S.Ferreira

An Algorithm for Separable Representations of Realistic Interactions

NUCLEAR REACTIONS 40Ca(p, p), E=low; calculated phase shifts; deduced model parameters. Separable representations, realistic interactions.

doi: 10.1016/0375-9474(88)90397-1
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1988FE02      Nucl.Phys. A480, 62 (1988)

L.S.Ferreira, R.J.Liotta, A.Winther, C.H.Dasso

Spatial Correlations in Collective Density Modes

NUCLEAR STRUCTURE 208Pb; calculated giant resonance transition, particle-hole densities.

doi: 10.1016/0375-9474(88)90384-3
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1988VE02      Phys.Rev. C37, 876 (1988)

T.Vertse, P.Curutchet, O.Civitarese, L.S.Ferreira, R.J.Liotta

Application of Gamow Resonances to Continuum Nuclear Spectra

NUCLEAR STRUCTURE 208Pb; calculated neutron, proton Gamow resonances.

doi: 10.1103/PhysRevC.37.876
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1987BA26      Nucl.Phys. A467, 44 (1987)

M.Baldo, L.S.Ferreira, L.Streit

Gamow Vectors as Solutions of a Non-Hermitian Eigenvalue Problem

NUCLEAR STRUCTURE 2H; calculated wave function, coupled-channels approach, Gamow vectors, momenta of matrix eigenvalue problem.

doi: 10.1016/0375-9474(87)90327-7
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1976FE03      Nucl.Phys. A260, 381 (1976)


Overlapping Contributions to the Pion-Deuteron Scattering Length

NUCLEAR REACTIONS 2H(π, π); calculated scattering length.

doi: 10.1016/0375-9474(76)90052-X
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1972FE09      Nucl.Phys. A189, 250 (1972)

L.S.Ferreira, M.H.Caldeira

Theory of Anharmonic Collective Oscillations

doi: 10.1016/0375-9474(72)90293-X
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