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NSR database version of April 29, 2024.

Search: Author = N.Teruya

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2022ME08      Phys.Rev. C 106, 024608 (2022)

E.L.Medeiros, N.Teruya, S.B.Duarte, O.A.P.Tavares

Nonlocality effect in α decay of heavy and superheavy nuclei

RADIOACTIVITY ^185mPt(α); calculated contribution of the nonlocal effect on tunneling calculations. Z=52-103(α); Z=104-118(α); calculated T_1/2 for 239 heavy and 16 superheavy nuclei using α-cluster potential barrier penetration model with semiclassical WKB approach. Comparison of experimental results with new universal plot (NUP), and with universal decay law (UDL). ¹¹⁰Te, ¹⁵⁵Tm, ¹⁵⁷Lu, ^161,163Ta, ^161,167Re, ¹⁶⁵Ir, ^169,171Au, ¹⁸³Tl, ^220,236U, ²²⁴Pu, ^232,250Cm, ^242,244Fm, ²⁵⁸No, ²⁵⁷Lr, ^260,264,266Rf, ²⁵⁷Db, ^{258,262,264,266}Sg, ^274,276Hs, ^278,280,282Cn, ²⁸⁴Fl(α); calculated T_1/2 and compared with experimental values.

doi: 10.1103/PhysRevC.106.024608
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2017GO17      Phys.Lett. B 774, 14 (2017)

M.Goncalves, N.Teruya, O.A.P.Tavares, S.B.Duarte

Two-proton emission half-lives in the effective liquid drop model

RADIOACTIVITY ¹⁶Ne, ¹⁹Mg, ⁴⁵Fe, ⁴⁸Ni, ⁵⁴Zn, ⁶⁷Kr(2p); calculated Q-values and T_1/2. Comparison with experimental data.

doi: 10.1016/j.physletb.2017.09.032
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2016TE03      Phys.Rev. C 93, 024606 (2016)

N.Teruya, S.B.Duarte, M.M.N.Rodrigues

Nonlocality effect in the tunneling of one-proton radioactivity

RADIOACTIVITY ^{144,145,146,146m,147,147m}Tm, ^{150,150m,151,151m}Lu, ^{155,156,156m,157}Ta, ^{159,160m,161,161m}Re, ^{164,165,166,166m,167,167m}Ir, ^{170,170m,171,171m}Au, ^176,176Tl, ¹⁸⁵Bi(p); calculated WKB barrier penetrability factor and half-lives with and without proton effective mass (EM) correction and using Becchetti and Greenlees nuclear shell model parametrization. Comparison with experimental values.

doi: 10.1103/PhysRevC.93.024606
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2012DU01      Phys.Rev. C 85, 017601 (2012)

S.B.Duarte, N.Teruya

α-decay systematics for superheavy elements

RADIOACTIVITY Z=51-103(α); calculated half-lives for 164 nuclides; deduced universal decay law (UDL) and new universal plot (NUP) fitting parameters. Z=104-118(α); calculated half-lives of 35 superheavy nuclides. Quantum-mechanical tunneling calculation with α-cluster potential description. Comparison with experimental data.

doi: 10.1103/PhysRevC.85.017601
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2009LE22      Phys.Rev. C 80, 014606 (2009)

T.N.Leite, N.Teruya, A.Dimarco, S.B.Duarte, O.A.P.Tavares, M.Goncalves

¹²O resonant structure evaluated by the two-proton emission process

RADIOACTIVITY ¹²O(2p); analyzed characteristics of resonant ground state, decay energy distribution, channel distribution ratios, and widths using statistical model for the sequential and simultaneous two-proton emission decay modes. Comparison with experimental data.

doi: 10.1103/PhysRevC.80.014606
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2007LE27      Int.J.Mod.Phys. E16, 1713 (2007)

T.N.Leite, N.Teruya, H.Dias

The escape widths and strength of isoscalar giant dipole resonance in ²⁰⁸Pb

NUCLEAR STRUCTURE ²⁰⁸Pb; calculated Isoscalar Giant Dipole Resonance strength functions and escape widths using continuum RPA.

doi: 10.1142/S021830130700699X
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2005LE44      Braz.J.Phys. 35, 824 (2005)

T.N.Leite, N.Teruya

Partial Escape Width for Nuclei with Neutron Excess

NUCLEAR STRUCTURE ⁶⁰Ca; calculated partial escape widths for pygmy dipole resonance. ²⁰⁸Pb; calculated escape widths for isoscalar GDR. Continuum RPA.

doi: 10.1590/S0103-97332005000500028
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2005LE45      Braz.J.Phys. 35, 829 (2005)

T.N.Leite, N.Teruya

Description of Decay Mechanisms of the Giant Dipole Resonance with a RPA + FKK Approach

NUCLEAR STRUCTURE ²⁰⁸Pb; calculated isoscalar GDR escape and spreading widths. Continuum RPA, statistical multistep compound theory.

doi: 10.1590/S0103-97332005000500030
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2004LE33      Eur.Phys.J. A 21, 369 (2004)

T.N.Leite, N.Teruya

Structure of the isovector dipole resonance in neutron-rich ⁶⁰Ca nuclei and direct decay from pygmy resonance

NUCLEAR STRUCTURE ⁶⁰Ca; calculated pygmy-dipole resonance and GDR widths, strength distributions, direct neutron decay widths, continuum coupling effects. RPA approach.

doi: 10.1140/epja/i2003-10221-1
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2002LE40      Int.J.Mod.Phys. E11, 469 (2002)

T.N.Leite, N.Teruya, H.Dias

Very Narrow Resonances in Spherical Proton Emitting Nuclei

NUCLEAR STRUCTURE ¹¹N; calculated single-particle resonances J, π, energies, widths. Comparison with previous results.

RADIOACTIVITY ¹⁰⁹I, ^145,147Tm, ¹⁵¹Lu, ¹⁵⁵Ta, ¹⁶⁷Ir, ¹⁸⁵Bi(p); calculated proton decay Q-value, T_1/2. Comparison with previous results. Continuum discretization approach.

doi: 10.1142/S0218301302000995
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2002RO31      Phys.Rev. C66, 024611 (2002)

M.O.Roos, H.Dias, O.Rodriguez, N.Teruya, M.S.Hussein

Preequilibrium escape widths of giant resonances

NUCLEAR STRUCTURE ⁴⁰Ca, ⁹⁰Zr, ²⁰⁸Pb; calculated giant resonance preequilibrium escape widths. Statistical multistep compound theory.

doi: 10.1103/PhysRevC.66.024611
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1999TE01      Phys.Rev. C59, 522 (1999)

L.A.A.Terremoto, V.P.Likhachev, M.N.Martins, M.T.F.da Cruz, N.Teruya

Branching Ratio of the ²⁶Mg(e, e'α₀)²²Ne Reaction in the Giant Resonance Region

NUCLEAR REACTIONS ²⁶Mg(e, e'α), E=14-26 MeV; analyzed data; deduced α₀ branching ratios. ²⁶Mg deduced α₀ decay branch of GDR.

doi: 10.1103/PhysRevC.59.522
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1998CE06      Phys.Rev. C57, 3220 (1998)

C.A.P.Ceneviva, N.Teruya, H.Dias, M.S.Hussein

Statistical Calculations of the Damping Width of Giant Resonances

NUCLEAR STRUCTURE ⁴⁰Ca, ⁹⁰Zr, ²⁰⁸Pb; calculated giant resonance damping widths vs excitation energy.

doi: 10.1103/PhysRevC.57.3220
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1997CE01      Phys.Rev. C55, 1246 (1997)

C.A.P.Ceneviva, N.Teruya, H.Dias, M.S.Hussein

Preequilibrium Proton Decay in ⁴⁰Ca

NUCLEAR STRUCTURE ⁴⁰Ca; calculated giant quadrupole resonance proton decay; deduced strong preequilibrium giant resonance decay. Semi-direct, preequilibrium, statistical models.

doi: 10.1103/PhysRevC.55.1246
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1997CE03      Nucl.Phys. A619, 129 (1997)

C.A.P.Ceneviva, L.Losano, N.Teruya, H.Dias

Microscopic Projected-Quasiparticle Description of Odd-Mass Pb Isotopes

NUCLEAR STRUCTURE ^{193,195,197,199,201,203,205}Pb; calculated levels, magnetic dipole moments, electric quadrupole moments. ^201,203,205Pb calculated spectroscopic factors. Number-projected one- and three-quasiparticle BCS approximation, surface delta interaction.

doi: 10.1016/S0375-9474(97)00059-6
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1997TE05      Phys.Rev. C55, 1998 (1997)

N.Teruya, C.A.P.Ceneviva, H.Dias, L.Losano

Escape Width of the Giant Monopole Resonance in ⁹⁰Zr

NUCLEAR STRUCTURE ⁹⁰Zr; calculated giant monopole resonance nucleon decay widths. Collective, statistical doorway states, hybrid model of decay.

doi: 10.1103/PhysRevC.55.1998
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1996KY02      Phys.Lett. 377B, 1 (1996)

M.Kyotoku, N.Teruya, C.L.Lima

BCS Self-Energy Term and the ¹¹Li

NUCLEAR STRUCTURE ¹¹Li; calculated ground state energy, 2s_1/2-state occupancy. BCS approach, self-energy term.

doi: 10.1016/0370-2693(96)00324-3
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1994TE06      Phys.Rev. C50, R2668 (1994)

N.Teruya, H.Dias

Decay Properties of Giant Multipole Resonances: Hybrid model for channel types competition

doi: 10.1103/PhysRevC.50.R2668
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1993TE02      Nucl.Phys. A556, 157 (1993)

N.Teruya, H.Dias, A.F.R.de Toledo Piza

Simple Approximation to Continuum Random Phase Approximation (RPA): Application to the giant dipole resonance in ¹⁶O

NUCLEAR STRUCTURE ¹⁶O; calculated giant E1 resonance fragments escape widths. Continuum RPA, simple approximation.

doi: 10.1016/0375-9474(93)90345-X
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1992WA39      Int.J.Mod.Phys. E1, 833 (1992)

Y.-C.Wang, F.E.Serr, E.J.Moniz, N.Teruya, H.Dias, M.S.Hussein

Calculation of Giant Resonance Widths from Damped Single Particle Motion

NUCLEAR STRUCTURE ¹⁶O, ⁴⁰Ca, ²⁰⁸Pb; calculated isoscalar quadrupole response, transition strength, giant resonance spreading, escape widths.

doi: 10.1142/S0218301392000369
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1991TE01      Phys.Rev. C43, R2049 (1991)

N.Teruya, C.A.Bertulani, S.Krewald, H.Dias, M.S.Hussein

Hybrid Random-Phase-Approximation-Cluster Model for the Dipole Strength Function of ¹¹Li

NUCLEAR REACTIONS ²⁰⁸Pb(¹¹Li, X), E=800 MeV/nucleon; calculated electromagnetic excitation σ. Hybrid RPA-cluster model.

NUCLEAR STRUCTURE ¹¹Li; calculated dipole strength distribution. Hybrid RPA-cluster model.

doi: 10.1103/PhysRevC.43.R2049
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1991TE03      Phys.Rev. C44, 537 (1991)

N.Teruya, A.F.R.de Toledo Piza, H.Dias

Single-Particle Resonances in Continuum Nuclear Structure Calculations

NUCLEAR STRUCTURE ¹⁶O; calculated single particle resonance parameters.

doi: 10.1103/PhysRevC.44.537
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1988TE02      Phys.Rev. C37, 2121 (1988)

N.Teruya, H.Dias, E.Wolynec

Statistical Decay of the E1 Giant Resonance

NUCLEAR STRUCTURE ²⁰⁸Pb, ²⁰⁹Bi; calculated GDR decay neutron spectra. Statistical model.

doi: 10.1103/PhysRevC.37.2121
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1986DI03      Phys.Rev. C33, 1955 (1986)

H.Dias, N.Teruya, E.Wolynec

Statistical Decay of Giant Resonances

NUCLEAR REACTIONS ²⁰⁸Pb(n, n), (n, n'), E not given; calculated σ(En); deduced transmission coefficients vs L, θ. ²⁰⁸Pb deduced monopole giant resonance decay characteristics.

doi: 10.1103/PhysRevC.33.1955
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