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Search: Author = O.A.Tavares

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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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2020TA06      Appl.Radiat.Isot. 160, 109034 (2020)

O.A.P.Tavares, M.L.Terranova

Partial alpha-decay half-lives for alpha-emitting Osmium isotopes: Accurate determinations by a semi-empirical model

RADIOACTIVITY ^{161,162,163,164,165,166,167,168,169,170,171,172,173,174}Os, ¹⁸⁴Os, ^186,187,188Os(α);calculated partial T_1/2, α-decay schemes. Comparison with ENSDF library data.

doi: 10.1016/j.apradiso.2020.109034
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2020TA19      Appl.Radiat.Isot. 166, 109381 (2020)

O.A.P.Tavares, E.L.Medeiros, M.L.Terranova

Alpha-decay half-life of Hafnium isotopes reinvestigated by a semi-empirical approach

RADIOACTIVITY ^{159,161,174,176}Hf(α); analyzed available data; calculated T_1/2, Q-values using heavy-particle decay calculation model.

doi: 10.1016/j.apradiso.2020.109381
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2019TA14      Int.J.Mod.Phys. E28, 1950021 (2019)

O.A.P.Tavares, E.L.Medeiros

Nuclear radii from nuclear masses

doi: 10.1142/S0218301319500216
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2018TA09      Eur.Phys.J. A 54, 65 (2018)

O.A.P.Tavares, E.L.Medeiros

A calculation model to half-life estimate of two-proton radioactive decay process

RADIOACTIVITY A=19-67(2p); calculated proton-rich nuclei 2p-decay T_1/2, partial T_1/2 using tunelling mechanism through potential barrier. Compared with available data. Remark: Double-proton decay not yet observed for all calculated nuclei.

doi: 10.1140/epja/i2018-12495-4
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2018TA16      Appl.Radiat.Isot. 139, 26 (2018)

O.A.P.Tavares, M.L.Terranova

Toward an accurate determination of half-life of ¹⁴⁷Sm isotope

RADIOACTIVITY ¹⁴⁷Sm(α); analyzed available data; deduced T_1/2.

doi: 10.1016/j.apradiso.2018.04.001
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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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2013DE37      Phys.Rev. C 88, 064609 (2013)

A.Deppman, E.Andrade, II, V.Guimaraes, G.S.Karapetyan, O.A.P.Tavares, A.R.Balabekyan, N.A.Demekhina, J.Adam, F.Garcia, K.Katovsky

Superasymmetric fission of heavy nuclei induced by intermediate-energy protons

NUCLEAR REACTIONS ²³⁷Np, ²³⁸U(p, F)²⁸Mg/^34mCl/³⁸S/³⁸Cl/³⁹Cl/⁴¹Ar/⁴²K/⁴³K/⁴³Sc/⁴⁴Ar/⁴⁴K/⁴⁴Sc/^44mSc/⁴⁵K/⁴⁶Sc/^46mSc/⁴⁷Ca/⁴⁷Sc/⁴⁸Sc/⁴⁸V/⁴⁸Cr/⁴⁹Cr/⁵¹Cr/⁵²Mn/^52mMn/⁵²Fe/⁵⁴Mn/⁵⁵Co/⁵⁶Mn/⁵⁶Co/⁵⁶Ni/⁵⁷Co/⁵⁷Ni/⁵⁸Co/^58mCo/⁵⁹Fe/⁶⁰Co/^60mCo/⁶⁰Cu/⁶¹Cu/⁶⁵Ni/⁶⁵Zn/⁶⁵Ga/⁶⁶Ni/⁶⁶Ga/⁶⁶Ge/⁶⁷Cu/⁶⁷Ga/^69mZn/⁶⁹Ge, E=660 MeV; measured Eγ, Iγ, production σ of intermediate-mass fragments (IMF) by induced activation method at LNR Phasotron-JINR cyclotron facility. A total of 93 isotopes in A=30-200 range identified with high precision. Comparison with simulation code CRISP for multimodal fission. Discussed superasymmetric fragment production mechanism.

doi: 10.1103/PhysRevC.88.064609
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetF1232.

2013TA07      Eur.Phys.J. A 49, 6 (2013)

O.A.P.Tavares, E.L.Medeiros

A calculation method to estimate partial half-lives for exotic radioactivities

RADIOACTIVITY ^222,223Fr, ²²⁵Ra, ²²⁷Ac, ²²⁴Th(¹⁴C);²²⁴Ac, ²²⁵Pa(¹⁵N);^226,227Th(¹⁸O);²²⁹Th(²⁰O);²³²Th(²⁶Ne);^233,235U, ^235,236Np(²⁸Mg);²³⁵U(²⁹Mg);²³⁸U, ^239,240Pu, ^241,243Am, ²⁴⁰Cm(³⁴Si);²³⁷Np(³⁰Mg);²³⁷Np, ²⁴¹Am, ²⁴⁰Cm(³²Si); calculated T_1/2 using semi-empirical model; deduced model parameters. Compared with other calculations.

doi: 10.1140/epja/i2013-13006-y
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2012TA10      Phys.Scr. 86, 015201 (2012)

O.A P.Tavares, E.L.Medeiros

A simple description of cluster radioactivity

RADIOACTIVITY ²³⁸U, ^239,240Pu, ^241,243Am, ^240,242,243Cm(³⁴Si), ^236,237Np, ²³⁸Pu, ²⁴¹Am, ^240,242Cm(³²Si), ²⁵²Cf, ²⁵⁴Es(⁴⁶Ar), ²⁵²Es(⁴⁸Ca), ²⁵⁴Es, ²⁵⁸Md, ²⁵⁹No(⁵⁰Ca), ²⁵⁹No(⁴⁹Ca), ²²⁸Th(²⁰O), ²⁴⁰Pu(³⁴Si), ²⁵⁹No(⁵⁰Ca), ²⁸²Rg(⁷³Ni), ²⁹¹Mc(⁸⁵Br); calculated T_1/2, Q-values, branching ratios. Comparison with available data.

doi: 10.1088/0031-8949/86/01/015201
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2011AN29      J.Phys.:Conf.Ser. 312, 082010 (2011)

E.Andrade, II, J.C.M.Menezes, S.B.Duarte, F.Garcia, P.C.R.Rossi, O.A.P.Tavares, A.Deppman

Fragment mass distributions for heavy nuclei fission induced by intermediate energy probes

NUCLEAR REACTIONS ²³⁷Np, ²⁴¹Am(p, F), E=660 MeV;²³⁸U(γ, F), E=0-50 MeV; calculated mass distribution from bremsstrahlung reaction using Monte Carlo for nuclear cascade followed by competition between fission and particle emission. Compared with data and other calculations.

doi: 10.1088/1742-6596/312/4/082010
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2011TA23      Phys.Scr. 84, 045202 (2011)

O.A.P.Tavares, E.L.Medeiros

Natural and artificial alpha radioactivity of platinum isotopes

RADIOACTIVITY ^{166,167,168,169,170,171,172,173,174,175,176,177,178,179,180,181,182,183,184,185,186,187,188,189,190,192,194,195,196,198}Pt(α);calculated T_1/2. Comparison with experimental values.

doi: 10.1088/0031-8949/84/04/045202
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2010TA24      Eur.Phys.J. A 45, 57 (2010)

O.A.P.Tavares, E.L.Medeiros

Proton radioactivity: The case for ^53mCo proton-emitter isomer

RADIOACTIVITY ^53mCo(p); calculated T_1/2 using semi-empirical model. ^53mCo deduced deformation. Re-analysis of older results also using data on other proton emitters.

doi: 10.1140/epja/i2010-10974-2
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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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2007ME28      Eur.Phys.J. A 34, 417 (2007)

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

Systematics of half-lives for proton radioactivity

NUCLEAR STRUCTURE A=30-186; analyzed proton-decay partial T_1/2.

RADIOACTIVITY ³⁰Cl, ⁵³Co, ⁵⁸Ge, ⁶⁸Br, ⁸⁹Rh, ¹⁰⁵Sb, ^108,109I, ^112,113Cs, ¹¹⁷La, ¹²¹Pr, ^130,131Eu, ¹³⁵Tb, ^140,141Ho, ^145,146,147Tm, ^150,151Lu, ^155,156,157Ta, ^159,160,161Re, ^{164,165,166,167}Ir, ^170,171,173Au, ^176,177Tl, ^184,185,186Bi(p); calculated proton-decay partial T_1/2. Semi-empirical model including effect of deformation.

doi: 10.1140/epja/i2007-10513-4
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2006DE27      Phys.Rev. C 73, 064607 (2006)

A.Deppman, G.Silva, S.Anefalos, S.B.Duarte, F.Garcia, F.H.Hisamoto, O.A.P.Tavares

Photofission and total photoabsorption cross sections in the energy range of shadowing effects

NUCLEAR REACTIONS ¹²C, ²⁷Al, ⁶³Cu, ¹¹⁸Sn, ²⁰⁷Pb(γ, X), E=1000-3000 MeV; calculated total photoabsorption σ. ²⁰⁷Pb, ²³²Th, ^233,235,238U, ²³⁷Np(γ, F), E=900-3400 MeV; calculated photofission σ. Comparison with data.

doi: 10.1103/PhysRevC.73.064607
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2006ME15      J.Phys.(London) G32, B23 (2006)

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

Systematics of alpha-decay half-life: new evaluations for alpha-emitter nuclides

NUCLEAR STRUCTURE A=100-300; analyzed α-decay T_1/2; deduced parameters.

RADIOACTIVITY ¹¹⁰Te, ¹¹³I, ¹⁵¹Gd, ¹⁷⁴Hf, ¹⁶³Ta, ¹⁸⁰W, ¹⁸⁴Os, ²¹⁰Po, ^{200,206,208,211,218}At, ^203,228Ra, ²³¹Pa, ²⁵⁰Cm, ²⁶⁶Sg, ²⁷²Rg(α); calculated α-decay partial T_1/2. Semiempirical model.

doi: 10.1088/0954-3899/32/8/B01
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2006ME20      J.Phys.(London) G32, 2345 (2006)

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

Comments on the rarest alpha activity observed in nature

RADIOACTIVITY ¹⁸⁰W(α); compiled, analyzed T_1/2.

doi: 10.1088/0954-3899/32/11/N01
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2006MO44      Braz.J.Phys. 36, 1383 (2006)

V.Morcelle, O.A.P.Tavares

Fissility of Actinide Nuclei by 60-130 MeV Photons

NUCLEAR REACTIONS ²³²Th, ^233,235,238U, ²³⁷Np(γ, F), Eγ=60-130 MeV; calculated total nuclear photoabsorption cross section based on the quasi-deuteron nuclear photabsorption model, and nuclear fissility from the available data.

doi: 10.1590/S0103-97332006000800011
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2006TA01      Nucl.Instrum.Methods Phys.Res. B243, 256 (2006)

O.A.P.Tavares, M.L.Terranova, E.L.Medeiros

New evaluation of alpha decay half-life of ¹⁹⁰Pt isotope for the Pt-Os dating system

RADIOACTIVITY ^{166,167,168,170,171,172,174,175,176,177,178,180,181,182,183,184,186,188}Pt(α); analyzed T_1/2, Qα; deduced parameters. ¹⁹⁰Pt(α); calculated T_1/2. Semi-empirical model, astrophysical implications discussed.

doi: 10.1016/j.nimb.2005.08.122
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2005TA03      J.Phys.(London) G31, 129 (2005)

O.A.P.Tavares, E.L.Medeiros, M.L.Terranova

Alpha decay half-life of bismuth isotopes

RADIOACTIVITY ^{187,189,191,193,195,197,199,200,201,202,203,204,205,206,207,208,209,211,212,213,214}Bi(α); calculated α-decay partial T_1/2. Comparison with data.

doi: 10.1088/0954-3899/31/2/005
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2005TA37      Braz.J.Phys. 35, 915 (2005)

O.A.P.Tavares, S.B.Duarte, V.Morcelle, A.Deppman

Photofissility at 1 GeV for Nuclei Throughout the Periodic Table

NUCLEAR REACTIONS ⁴⁸Ti, ⁵⁶Fe, ⁵⁹Ni, ⁶³Cu, ⁶⁵Zn, ⁹³Nb, ⁹⁶Mo, ¹⁰⁸Ag, ¹¹²Cd, ¹¹⁵In, ¹¹⁹Sn, ¹²²Sb, ¹²⁸Te, ¹³⁹La, ¹⁴⁰Ce, ¹⁴⁴Nd, ¹⁵⁰Sm, ¹⁵⁷Gd, ¹⁵⁹Tb, ¹⁶³Dy, ¹⁶⁵Ho, ¹⁶⁹Tm, ^173,174Yb, ¹⁷⁵Lu, ¹⁷⁸Hf, ¹⁸¹Ta, ¹⁸⁴W, ¹⁸⁶Re, ¹⁹⁰Os, ¹⁹⁵Pt, ¹⁹⁷Au, ²⁰¹Hg, ²⁰⁴Tl, ^207,208Pb, ²⁰⁹Bi, ²³²Th, ^233,235,238U, ²³⁷Np(γ, F), E=1 GeV; calculated first-chance fission probability.

doi: 10.1590/S0103-97332005000500054
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2004DU23      J.Phys.(London) G30, 1487 (2004)

S.B.Duarte, O.A.P.Tavares, M.Goncalves, O.Rodriguez, F.Guzman, T.N.Barbosa, F.Garcia, A.Dimarco

Half-life predictions for decay modes of superheavy nuclei

NUCLEAR STRUCTURE Z=110-135; calculated α-decay, cluster-decay, and cold fission T_1/2. Effective liquid-drop model.

RADIOACTIVITY ^287,288Mc, ^283,284Nh, ^279,280Rg(α); calculated T_1/2, Qα. Effective liquid-drop model, comparison with data.

doi: 10.1088/0954-3899/30/10/014
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2004LI78      Braz.J.Phys. 34, 753 (2004)

V.P.Likhachev, J.D.T.Arruda-Neto, M.T.F.da Cruz, H.Dias, S.B.Duarte, W.R.Carvalho, Jr., M.S.Hussein, A.C.S.Lima, L.F.R.Macedo, J.Mesa, S.A.Pashchuk, T.E.Rodrigues, G.Silva, H.R.Schelin, O.A.P.Tavares

Residual Nucleus Excitation Energy in (e, e'p)- Reaction

doi: 10.1590/S0103-97332004000500012
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2004RO22      Phys.Rev. C 69, 064611 (2004)

T.E.Rodrigues, J.D.T.Arruda-Neto, A.Deppman, V.P.Likhachev, J.Mesa, C.Garcia, K.Shtejer, G.Silva, S.B.Duarte, O.A.P.Tavares

Photonuclear reactions at intermediate energies investigated via the Monte Carlo multicollisional intranuclear cascade model

NUCLEAR REACTIONS Sn, Ce, Ta, Pb(γ, X), E=20-140 MeV; calculated total photoabsorption σ, neutron multiplicities. Monte Carlo multicollisional intranuclear cascade model, comparison with data.

doi: 10.1103/PhysRevC.69.064611
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2004TA04      J.Phys.(London) G30, 377 (2004)

O.A.P.Tavares, S.B.Duarte, A.Deppman, V.P.Likhachev

Nuclear photofissility of ^natPb and ²³²Th at energies above the pion photoproduction threshold

NUCLEAR REACTIONS Pb, ²³²Th(γ, F), E=0.2-6 GeV; calculated fissility, fragment production probabilities. Intranuclear cascade and evaporation-fission competition mechanisms, comparison with data.

doi: 10.1088/0954-3899/30/4/001
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2004TA05      J.Phys.(London) G30, 395 (2004)

O.A.P.Tavares, E.L.Medeiros

Level density parameter at the fission saddle point from intermediate-energy photofission cross section data

NUCLEAR REACTIONS ²³²Th, ^233,235,238U, ²³⁷Np(γ, F), E ≈ 40-130 MeV; analyzed photofission data; deduced level density parameter.

doi: 10.1088/0954-3899/30/4/002
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2004TA48      Braz.J.Phys. 34, 924 (2004)

O.A.P.Tavares, S.B.Duarte, A.Deppman, V.P.Likhachev

New Approach to Nuclear Photofission Reactions above 0.15 GeV

NUCLEAR REACTIONS Pb(γ, F), E ≈ 0.1-7 GeV; analyzed fission probability. Two-step model.

doi: 10.1590/S0103-97332004000500058
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2003DE20      Nucl.Instrum.Methods Phys.Res. B211, 15 (2003)

A.Deppman, O.A.P.Tavares, S.B.Duarte, J.D.T.Arruda-Neto, M.Goncalves, V.P.Likhachev, J.Mesa, E.C.de Oliveira, S.R.de Pina, O.Rodriguez

A Monte Carlo method for nuclear evaporation and fission at intermediate energies

NUCLEAR STRUCTURE ²³⁷Np, ²³⁸U, ²³²Th; calculated fissility vs excitation energy, competition with evaporation channels. Monte Carlo approach.

doi: 10.1016/S0168-583X(03)01265-5
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2002DE35      J.Phys.(London) G28, 2259 (2002)

S.R.de Pina, J.Mesa, A.Deppman, J.D.T.Arruda-Neto, S.B.Duarte, E.C.de Oliveira, O.A.P.Tavares, E.L.Medeiros, M.Goncalves, E.de Paiva

Nucleon Effective Mass Effects on the Pauli-Blocking Function

doi: 10.1088/0954-3899/28/8/311
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2002DE60      Phys.Rev. C 66, 067601 (2002)

A.Deppman, O.A.P.Tavares, S.B.Duarte, J.D.T.Arruda-Neto, M.Goncalves, V.P.Likhachev, E. C.de Oliveira

Photofissility of heavy nuclei at intermediate energies

NUCLEAR REACTIONS ²⁰⁹Bi, ²³²Th, ²³⁸U, ²³⁷Np, ²⁴³Am(γ, F), E=200-1000 MeV; calculated fissility. ²⁰⁹Bi, ²⁴³Am(γ, F), E=200-1000 MeV; calculated photofission σ. Monte Carlo approach.

doi: 10.1103/PhysRevC.66.067601
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2002DU16      At.Data Nucl.Data Tables 80, 235 (2002)

S.B.Duarte, O.A.P.Tavares, F.Guzman, A.Dimarco, F.Garcia, O.Rodriguez, M.Goncalves

Half-Lives for Proton Emission, Alpha Decay, Cluster Radioactivity, and Cold Fission Processes Calculated in a Unified Theoretical Framework

RADIOACTIVITY ¹⁰⁵Sb, ¹⁰⁹I, ^112,113Cs, ¹¹⁷La, ¹³¹Eu, ^140,141Ho, ^145,146,147Tm, ^150,151Lu, ^156,157Ta, ^160,161Re, ^165,166,167Ir, ¹⁷¹Au, ¹⁸⁵Bi(p); calculated proton emission T_1/2. ²²¹Fr, ^{221,222,223,224,226}Ra, ²²⁵Ac(¹⁴C); ²²⁸Th(²⁰O); ²³⁰Th, ²³¹Pa, ^232,233,234U(²⁴Ne); ²³⁴U(²⁶Ne); ²³⁴U, ^236,238Pu(²⁸Mg); ²³⁸Pu(³⁰Mg), (³²Si); ²⁴²Cm(³⁴Si); calculated cluster emission T_1/2. ^258,259Fm, ^259,260Md, ^258,262No(SF); calculated fission fragment mass distributions. Z=27-111; A=50-273; calculated T_1/2, Q for p-decay, α-decay, cluster emission. Z=82-111; A=180-272; calculated cold fission T_1/2. Effective liquid drop model, comparisons with data.

doi: 10.1006/adnd.2002.0881
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2001DE27      J.Phys.(London) G27, 1435 (2001)

E.de Paiva, O.A.P.Tavares, M.L.Terranova

Nuclear Photofissility in the Quasi-Deuteron Energy Region

NUCLEAR REACTIONS ²⁷Al, ⁴⁸Ti, ⁵¹V, ¹⁵⁴Sm, ¹⁷⁴Yb, ¹⁷⁸Hf, ¹⁸¹Ta, ¹⁸⁴W, ¹⁸⁶Re, ¹⁹⁰Os, ¹⁹⁵Pt, ¹⁹⁷Au, ²⁰⁴Tl, ^207,208Pb, ²⁰⁹Bi(γ, F), E ≈ 20-160 MeV; analyzed fission data; deduced reaction mechanism features. Two-step model, quasi-deuteron photon absorption.

doi: 10.1088/0954-3899/27/7/305
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2001DE41      Phys.Rev.Lett. 87, 182701 (2001)

A.Deppman, O.A.P.Tavares, S.B.Duarte, E.C.de Oliveira, J.D.T.Arruda-Neto, S.R.de Pina, V.P.Likhachev, O.Rodriguez, J.Mesa, M.Goncalves

Photofissility of Actinide Nuclei at Intermediate Energies

NUCLEAR REACTIONS ²³⁷Np, ²³⁸U, ²³²Th(γ, F), E ≈ 200-1000 MeV; analyzed fissility; deduced role of proton and α evaporation. Monte Carlo approach.

doi: 10.1103/PhysRevLett.87.182701
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2000DI17      Int.J.Mod.Phys. E9, 205 (2000)

A.Dimarco, S.B.Duarte, O.A.P.Tavares, M.Goncalves, F.Garcia, O.Rodriguez, F.Guzman

Effect of Nuclear Deformation on the Alpha-Decay Half-Life of Even-Even Alpha Emitters

NUCLEAR STRUCTURE Z=52-108; calculated α-decay T_1/2, deformation effects. Comparison with data.

doi: 10.1016/S0218-3013(00)00014-3
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2000GA25      J.Phys.(London) G26, 755 (2000)

F.Garcia, O.Rodriguez, M.Goncalves, S.B.Duarte, O.A.P.Tavares, F.Guzman

Alpha Decay and Nuclear Deformation: The case for favoured alpha transitions of even-even emitters

RADIOACTIVITY A=106-264(α); calculated T_1/2 including quadrupole deformation effects. Comparison with experimental values.

doi: 10.1088/0954-3899/26/6/301
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1999GU08      Phys.Rev. C59, R2339 (1999)

F.Guzman, M.Goncalves, O.A.P.Tavares, S.B.Duarte, F.Garcia, O.Rodriguez

Proton Radioactivity from Proton-Rich Nuclei

RADIOACTIVITY ⁵⁵Cu, ⁵⁸Ge, ¹⁰⁵Sb, ¹⁰⁹I, ^112,113Cs, ¹⁴²Ho, ^146,147Tm, ^150,151Lu, ^156,157Ta, ^160,161Re, ^165,166,167Ir, ¹⁷¹Au, ^177,178,179Tl, ^185,187Bi(p); calculated proton decay T_1/2. Effective liquid drop model. Comparison with data.

doi: 10.1103/PhysRevC.59.R2339
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1999RO01      Phys.Rev. C59, 253 (1999)

O.Rodriguez, F.Guzman, S.B.Duarte, O.A.P.Tavares, F.Garcia, M.Goncalves

New Valleys of Cold Fission and Cluster Radioactivity Processes from Nuclei Far from the β-Stability Line

RADIOACTIVITY Rn, Po, Pb; calculated α-decay T_1/2. Ba, Sn, Po, Bi; calculated cluster decay T_1/2 in neutron-deficient isotopes; deduced shell effects. Geiger-Nutall systematics.

doi: 10.1103/PhysRevC.59.253
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1999TA27      J.Phys.(London) G25, 1979 (1999)

O.A.P.Tavares, E.De Paiva, G.Ya.Kezerashvili, R.Ya.Kezerashvili, N.Yu.Muchnoi, A.I.Naumenkov, I.Ya.Protopopov, E.A.Simonov, M.L.Terranova

Photofission of ²⁷Al Nucleus in the Quasi-Deuteron Region of Photonuclear Absorption

NUCLEAR REACTIONS ²⁷Al(γ, F), E ≈ 108 MeV; measured absorption, fission σ. ²⁷Al deduced fissility.

doi: 10.1088/0954-3899/25/9/315
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1998DU05      Phys.Rev. C57, 2516 (1998)

S.B.Duarte, O.Rodriguez, O.A.P.Tavares, M.Goncalves, F.Garcia, F.Guzman

Cold Fission Description with Constant and Varying Mass Asymmetries

RADIOACTIVITY ²³⁴U(SF); calculated T_1/2, fragments mass distributions. Comparison of constant, variable mass asymmetry descriptions. Alpha, cluster radioactivity also discussed.

doi: 10.1103/PhysRevC.57.2516
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1998TA21      J.Phys.(London) G24, 1757 (1998)

O.A.P.Tavares, S.B.Duarte, O.Rodriguez, F.Guzman, M.Goncalves, F.Garcia

Effective Liquid Drop Description for Alpha Decay of Atomic Nuclei

NUCLEAR STRUCTURE Z=52-111; calculated α-decay T_1/2. Effective liquid drop model. Comparison with data.

doi: 10.1088/0954-3899/24/9/009
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1998TE02      J.Phys.(London) G24, 205 (1998)

M.L.Terranova, G.Ya.Kezerashvili, A.M.Milov, S.I.Mishnev, N.Yu.Muchnoi, A.I.Naumenkov, I.Ya.Protopopov, E.A.Simonov, D.N.Shatilov, O.A.P.Tavares, E.De Paiva, E.L.Moreira

Photofission Cross Section and Fissility of Pre-Actinide and Intermediate-Mass Nuclei by 120 and 145 MeV Compton Backscattered Photons

NUCLEAR REACTIONS ²⁰⁹Bi, Pt, ¹⁹⁷Au, W, ¹⁸¹Ta, ⁵¹V, Ti(γ, F), E=120, 145 MeV; measured photofission, total photoabsorption σ; deduced fissility Z²/A dependence.

doi: 10.1088/0954-3899/24/1/023
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1997DU14      Phys.Rev. C56, 3414 (1997)

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

Importance of the Inner Potential Barrier in Nuclear Spontaneous Cold Fission Processes

RADIOACTIVITY ²³⁴U, ²⁴²Pu, ²⁴⁸Cf, ²⁵²Cf(SF); calculated potential barrier for several decay modes; deduced inner barrier role.

doi: 10.1103/PhysRevC.56.3414
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1997TA18      Nuovo Cim. 110A, 497 (1997)

O.A.P.Tavares

Anisotropy of Favoured Alpha Transitions Producing Even-Even Deformed Nuclei

RADIOACTIVITY ²⁵²Cf(α); calculated Coulomb barrier for favored α-decay; deduced daughter nucleus deformation effects. Other nuclei discussed.

doi: 10.1007/BF03035896
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1997TA33      Radiat.Meas. 27, 19 (1997)

O.A.P.Tavares, M.L.Terranova

Alpha activity of ¹⁹⁰Pt isotope measured with CR-39 track detector

RADIOACTIVITY ¹⁹⁰Pt(α); measured decay products, Eα, Iα; deduced T_1/2 of ¹⁹⁰Pt decay using CR-39 track detector at Gran-Sasso Underground Laboratory (INFN-LNGS). Natural platinum sample. Comparison with previous measurements of half-lives by direct counting.

doi: 10.1016/S1350-4487(96)00154-0
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1996TE05      J.Phys.(London) G22, 511 (1996)

M.L.Terranova, O.A.P.Tavares, G.Ya.Kezerashvili, V.A.Kiselev, A.M.Milov, N.Yu.Muchnoi, A.I.Naumenkov, V.V.Petrov, I.Ya.Protopopov, E.A.Simonov, E.de Paiva, E.L.Moreira

Fissility of Bi, Pb, Au, Pt, W, Ta, V and Ti Nuclei Measured with 100 MeV Compton Backscattered Photons

NUCLEAR REACTIONS, ICPND ²⁰⁹Bi, Pb, ¹⁹⁷Au, Pt, W, ¹⁸¹Ta, ⁵¹V, Ti(γ, F), E=100 MeV; measured fission yield; deduced absolute photofission σ, photofissility for elemental targets. ²⁰⁹Bi, ¹⁹⁷Au, ¹⁸¹Ta, ⁵¹V deduced photofissility.

doi: 10.1088/0954-3899/22/4/012
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1996TE08      J.Phys.(London) G22, 1661 (1996)

M.L.Terranova, G.Ya.Kezerashvili, V.A.Kiselev, A.M.Milov, S.I.Mishnev, I.Ya.Protopopov, V.N.Rotaev, D.N.Shatilov, O.A.P.Tavares

Fission Cross Section and Fissility of ²⁰⁹Bi by 60-270 MeV Tagged Photons

NUCLEAR REACTIONS ²⁰⁹Bi(γ, F), E=60-270 MeV; measured photon induced fission σ(E); analyzed other data. ²⁰⁹Bi deduced fissility vs Eγ. Multi-wire spark counters based fragment detector. Two-step model analysis.

doi: 10.1088/0954-3899/22/11/013
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1994TE02      Phys.Scr. 49, 267 (1994)

M.L.Terranova, O.A.P.Tavares

Total Nuclear Photoabsorption Cross Section in the Range 0.2-1.0 GeV for Nuclei Throughout the Periodic Table

NUCLEAR STRUCTURE A=3-238; analyzed photoabsorption σ(E) for targets in this mass range for E ≈ 0.2-1 GeV; deduced mean σ.

doi: 10.1088/0031-8949/49/3/004
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1993TA05      J.Phys.(London) G19, 805 (1993)

O.A.P.Tavares, J.B.Martins, E.de Paiva, E.L.Moreira, J.L.Vieira, M.L.Terranova, M.Capogni, L.Casano, A.D'Angelo, D.Moricciani, F.Ghio, B.Girolami, D.Babusci

Fission Induced in (nat)Ta, (nat)W and (nat)Pt Targets by 69 MeV Monochromatic Photons

NUCLEAR REACTIONS Ta, W, Pt(γ, F), E=69 MeV; measured fission σ; deduced fissility, absolute photofission σ.

doi: 10.1088/0954-3899/19/5/014
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1993TA18      J.Phys.(London) G19, 2145 (1993)

O.A.P.Tavares, J.B.Martins, E.L.Moreira, M.L.Terranova, M.Capogni, L.Casano, A.D'Angelo, D.Moricciani, C.Schaerf, B.Girolami, F.Ghio, D.Babusci

Fission of ²⁷Al Nucleus by 69 MeV Monochromatic Photons

NUCLEAR REACTIONS ²⁷Al(γ, F), E=69 MeV; measured absolute fission σ, fissility. ¹⁵⁴Sm, ¹⁷⁴Yb(γ, F), E=69 MeV; analyzed absolute fission σ, fissility data. Monochromatic photon beam, plastic track detectors. Two-step model, other data discussed.

doi: 10.1088/0954-3899/19/12/017
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1992TA06      J.Phys.(London) G18, 521 (1992)

O.A.P.Tavares, M.L.Terranova

Nuclear Photoabsorption by Quasi-Deuterons and an Updated Evaluation of Levinger's Constant

NUCLEAR STRUCTURE A ≤ 200; analyzed photoabsorption, rms radius data; deduced Levinger constant. Quasideuteron model.

doi: 10.1088/0954-3899/18/3/006
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1992TA13      Z.Phys. A343, 407 (1992)

O.A.P.Tavares, M.L.Terranova

Analysis of ²⁰⁹Bi and ²³⁸U Photofission Cross Section in the Quasi-Deuteron Region of Photonuclear Absorption

NUCLEAR REACTIONS ²⁰⁹Bi, ²³⁸U(γ, F), E=30-140 MeV; analyzed photofission σ(E). Quasideuteron photoabsorption followed by evaporation fission model.

doi: 10.1007/BF01289817
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1992TA14      Nuovo Cim. 105A, 723 (1992)

O.A.P.Tavares, M.L.Terranova

A New Systematics of Fragment Total Kinetic Energy Release in Fission

doi: 10.1007/BF02730778
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1991DE04      Nuovo Cim. 104A, 263 (1991)

D.A.De Lima, W.C.C.Milomem, O.A.P.Tavares

Probability of Ternary Fission of ⁹³Nb and (nat)Ag Nuclei Induced by (0.8 - 1.8) GeV Photons

NUCLEAR REACTIONS ⁹³Nb, Ag(γ, F), E=0.8-1.8 GeV bremsstrahlung; measured ternary to binary fission σ ratio. ⁹³Nb, Ag deduced ternary fission probability.

doi: 10.1007/BF02910880
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1991MA22      Phys.Rev. C44, 354 (1991)

J.B.Martins, E.L.Moreira, O.A.P.Tavares, J.L.Vieira, L.Casano, S.D'Angelo, C.Schaerf, M.L.Terranova, D.Babusci, B.Girolami

Absolute Photofission Cross Section of ¹⁹⁷Au, (nat)Pb, ²⁰⁹Bi, ²³²Th, ²³⁸U, and ²³⁵U Nuclei by 69-MeV Monochromatic and Polarized Photons

NUCLEAR REACTIONS, ICPND ¹⁹⁷Au, Pb, ²⁰⁹Bi, ²³²Th, ^235,238U(polarized γ, F), E=69 MeV; measured fission σ(E). ¹⁹⁷Au, ²⁰⁸Pb, ²⁰⁹Bi, ^235,238U, ²³²Th deduced nuclear fissility. Other data input. Nuclear-track detectors, monochromatic beam. Quasi-deuteron photoabsorption, evaporation-fission competition models.

doi: 10.1103/PhysRevC.44.354
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1991TA15      Phys.Rev. C44, 1683 (1991)

O.A.P.Tavares, M.L.Terranova, L.Casano, S.D'Angelo, D.Moricciani, C.Schaerf, D.Babusci, B.Girolami, J.B.Martins, E.L.Moreira, J.L.Vieira

Fission of Complex Nuclei Induced by 52-MeV Monochromatic and Polarized Photons

NUCLEAR REACTIONS ²³²Th, ^235,238U(polarized γ, F), E=52 MeV; measured absolute fission σ(E). ²³⁷Np, ²⁰⁹Bi, ²⁰⁸Pb, ¹⁷⁴Yb(γ, F), E not given; analyzed fission data. ²³⁷Np, ^235,238U, ²³²Th, ²⁰⁹Bi, ²⁰⁸Pb, ¹⁷⁴Yb deduced fissility. Monochromatic photons, nuclear-track detectors. Quasi-deuteron photoabsorption, evaporation-fission competition models.

doi: 10.1103/PhysRevC.44.1683
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1991TE04      Nuovo Cim. 104A, 1429 (1991)

M.L.Terranova, J.D.Pinheiro Filho, E.S.De Almeida, J.B.Martins, O.A.P.Tavares

Analysis of Fission and Fragmentation Events Produced in Ag and Br Nuclei by Interaction of Bremsstrahlung Beams in the Energy Range (1.0-5.5) GeV

NUCLEAR REACTIONS Ag, Br(γ, F), (γ, X), E=1-5.5 GeV bremsstrahlung; measured fission, fragmentation product σ(θ), (fragment)(fragment)(θ); deduced mean σ per photon, fissilities.

doi: 10.1007/BF02817425
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1990DE17      Nuovo Cim. 103A, 701 (1990)

D.A.De Lima, J.B.Martins, O.A.P.Tavares

Fission of Al, Ti, Co, Zr, Nb, Ag, In, Nd, Sm and Ta Nuclei Induced by (0.8 - 1.8) GeV Photons

NUCLEAR REACTIONS, ICPND ²⁷Al, Ti, ⁵⁹Co, Zr, ⁹³Nb, Ag, In, Nd, Sm, Ta(γ, F), E=0.8-1.8 GeV bremmsstrahlung; measured photofission yields; deduced fissility. Solid state track detectors.

doi: 10.1007/BF02789022
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1989DE30      Nuovo Cim. 101A, 975 (1989)

D.A.De Lima, E.V.De Sousa, W.C.C.Milomem, O.A.P.Tavares

Cross-Section of Ternary Fission of Al, Ti, Co, and Zr Nuclei Induced by (0.8-1.8) GeV Photons

NUCLEAR REACTIONS ²⁷Al, Ti, ⁵⁹Co, Zr(γ, F), E=0.8-1.4 GeV bremsstrahlung; measured ternary fission σ(E); deduced ternary fission probability. Fission track detectors.

doi: 10.1007/BF02800164
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1989FO05      Radiochim.Acta 46, 57 (1989)

M.Foshina, J.B.Martins, O.A.P.Tavares, V.Di Napoli

Systematics of Photon- and Electron-Induced Spallation Reactions

NUCLEAR REACTIONS ⁵¹V(γ, X), E=0.075-5 GeV bremsstrahlung; ⁵⁵Mn(γ, X), E=0.3-5 GeV bremsstrahlung; ⁵⁹Co, Fe(γ, X), E=0.3-1.5 GeV bremsstrahlung; Cu(γ, X), E=0.32-5 GeV bremsstrahlung; ⁷⁵As, Ga(γ, X), E=0.320 GeV; calculated fragment yield distributions. Semi-empirical four parameter formula.

1989MA36      Nuovo Cim. 101A, 789 (1989)

J.B.Martins, E.L.Moreira, O.A.P.Tavares, J.L.Vieira, J.D.Pinheiro Filho, R.Bernabei, S.d'Angelo, M.P.De Pascale, C.Schaerf, B.Girolami

Nuclear Fission of ¹⁹⁷Au, (nat)Pb and ²⁰⁹Bi Induced by Polarized and Monochromatic Photons of 60 and 64 MeV

NUCLEAR REACTIONS ¹⁹⁷Au, Pb, ²⁰⁹Bi(γ, F), (polarized γ, F), E=60, 64 MeV; measured fission σ, fissionability. ¹⁹⁷Au, ²⁰⁸Pb, ²⁰⁹Bi deduced first chance fission probability.

doi: 10.1007/BF02844870
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1988BE37      Nuovo Cim. 100A, 131 (1988)

R.Bernabei, V.C.De Oliveira, J.B.Martins, O.A.P.Tavares, J.D.Pinheiro Filho, S.D'Angelo, M.P.De Pascale, C.Schaerf, B.Girolami

Photofission Cross-Section of ²³⁸U in the Quasi-Deuteron Region

NUCLEAR REACTIONS ²³⁸U(γ, F), E=46-72 MeV; measured fission σ(E).

doi: 10.1007/BF02902646
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1986DE32      Phys.Rev. C34, 2261 (1986)

H.G.de Carvalho, J.B.Martins, O.A.P.Tavares

Radioactive Decay of Radium and Radon Isotopes by ¹⁴C Emission

RADIOACTIVITY ^{220,221,222,223,224,225,226,228}Ra, ^{217,218,219,220,221,222,223}Rn(¹⁴C); calculated T_1/2; deduced branching ratios.

doi: 10.1103/PhysRevC.34.2261
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1984FO22      Radiochim.Acta 35, 121 (1984)

M.Foshina, J.B.Martins, O.A.P.Tavares, V.di Napoli

Systematics of Spallation Yields with a Four-Parameter Formula

NUCLEAR REACTIONS ⁵¹V(p, X), E=0.06-29 GeV; ⁵⁵Mn(p, X), E=170 MeV; ⁵⁶Fe(p, X), E=0.34-29 GeV; ⁵⁹Co(p, X), E=370 MeV; Cu(p, X), E=0.34-24 GeV; ⁷⁵As(p, X), E=0.49-29 GeV; ⁹³Nb(p, X), E=0.5-0.72 GeV; calculated spallation yields, fragment charge, mass yield distributions; deduced model parameters. Semi-empirical four-parameter formula.

1982DE22      Nucl.Instrum.Methods 197, 417 (1982)

H.G.De Carvalho, J.B.Martins, E.L.Medeiros, O.A.P.Tavares

Decay Constant for the Spontaneous-Fission Process in ²³⁸U

RADIOACTIVITY, Fission ²³⁸U(SF); measured decay constant. Etched track technique.

doi: 10.1016/0167-5087(82)90337-4
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1979DI09      J.Inorg.Nucl.Chem. 41, 895 (1979)

V.di Napoli, M.L.Terranova, J.B.Martins, J.D.Pinheiro Filho, O.A.P.Tavares

Intermediate-Energy Isomeric Ratios of Some Photospallation Residuals From Targets in the Vanadium-Cobalt Region

NUCLEAR REACTIONS ⁵¹V, ⁵⁵Mn, Fe, Co(γ, xnyp), E=0.3-1 GeV; measured production σ for ⁴⁴Sc, ³⁴Cl, ⁵⁴Mn.

doi: 10.1016/0022-1902(79)80290-0
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1978DI02      Lett.Nuovo Cim. 21, 83 (1978)

V.di Napoli, M.L.Terranova, J.B.Martins, O.A.P.Tavares

A Modified Mass Yield Formula for Intermediate-Energy Photospallation Of Medium-Weight Nuclei

NUCLEAR REACTIONS ³⁹K, ⁴⁰Ca, ⁵¹V, ⁵⁵Mn, Fe, ⁵⁹Co, Cu(γ, X); calculated yields of ²⁴Na.

doi: 10.1007/BF02762793
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1978DI03      J.Inorg.Nucl.Chem. 40, 175 (1978)

V.di Napoli, F.Salvetti, M.L.Terranova, H.G.de Carvalho, J.B.Martins, O.A.P.Tavares

Photodisintegration of Light and Medium Weight Nuclei at Intermediate Energies-III

NUCLEAR REACTIONS ⁵¹V, ⁵⁵Mn, ⁵⁹Co, Fe(γ, X), E=0.3-1.0 GeV; measured σ(E, A, Z).

doi: 10.1016/0022-1902(78)80106-7
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1978DI06      J.Inorg.Nucl.Chem. 40, 1619 (1978)

V.di Napoli, J.B.Martins, G.Rosa, F.Salvetti, O.A.P.Tavares, M.L.Terranova, H.G.de Carvalho

Photodisintegration of Light and Medium-Weight Nuclei at Intermediate Energies-IV. Photoproduction of ⁷Be and ¹¹C from Targets with Masses up to 40

NUCLEAR REACTIONS ¹⁹F, ²⁷Al, ²⁸Si, ³²S, ^10,11B(γ, ⁷Be), ¹⁹F, ²⁷Al, ²⁸Si, ³²S, ¹⁴N, ¹⁶O(γ, ¹¹C), E=0.3-1.0 GeV; measured σ(E).

doi: 10.1016/0022-1902(78)80336-4
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1978DI12      Lett.Nuovo Cim. 23, 424 (1978)

V.Di Napoli, M.L.Terranova, J.B.Martins, J.D.Pinheiro Filho, O.A.P.Tavares

Ineffectiveness of the Quasi-Deuteron Mechanism of Interaction in Yielding (γ, Nucleon) Reactions on Complex Nuclei

NUCLEAR REACTIONS ⁹Be, ¹⁴N, ³⁰Si, ⁴⁰Ca, ⁷⁵As, ¹²⁷I, ²⁰⁹Bi(γ, n), (γ, p), (γ, np); calculated σ. Levinger quasi-deuteron model. Valid up to 150 MeV.

doi: 10.1007/BF02787003
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1977DI16      J.Inorg.Nucl.Chem. 39, 1727 (1977)

V.di Napoli, M.L.Terranova, H.G.de Carvalho, J.B.Martins, J.D.Pinheiro Filho, O.A.P.Tavares

Cross Sections of (γ, nn) Reactions in Complex Nuclei at Intermediate Energies

NUCLEAR REACTIONS ²⁰⁹Bi, ⁵⁹Co(γ, 3n), (γ, 4n), ²⁰⁹Bi(γ, 2n), ⁵¹V(γ, 3n), E=0.3-1.0 GeV bremsstrahlung; measured σ(E). ⁹Be, ¹²C, ¹⁶O, ⁵⁹Co, ¹⁰³Rh, ¹²⁷I, ¹⁹⁷Au, ²⁰⁹Bi(γ, 2n), ⁵¹V, ⁵⁹Co, ⁷⁵As, ⁸⁹Y, ¹²⁷I, ¹⁹⁷Au, ²⁰⁹Bi(γ, 3n), ⁵⁵Mn, ⁵⁹Co, ⁷⁵As, ¹²⁷I, ²⁰⁹Bi(γ, 4n); calculated σ.

doi: 10.1016/0022-1902(77)80191-7
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1976DI01      J.Inorg.Nucl.Chem. 38, 1 (1976)

V.di Napoli, G.Rosa, F.Salvetti, M.L.Terranova, H.G.de Carvalho, J.B.Martins, O.A.P.Tavares

Photodisintegration of Light and Medium-Weight Nuclei at Intermediate Energies-II

NUCLEAR REACTIONS ⁴⁰Ca(γ, ⁷Be), (γ, ¹¹C), E=0.3-1.0 GeV bremsstrahlung ; measured σ(E); deduced reaction mechanism.

doi: 10.1016/0022-1902(76)80038-3
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1976MA62      Lett.Nuovo Cim. 15, 364 (1976)

J.B.Martins, O.A.P.Tavares, M.L.Terranova, V.di Napoli

Some Remarks on ¹³N Photoproduction from ¹⁶O and ¹⁹F at Intermediate Energies

NUCLEAR REACTIONS ¹⁶O(γ, 2np), ¹⁹F(γ, 4n2p), E=0.3-1 GeV; measured σ.

doi: 10.1007/BF02725898
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1975DE34      Lett.Nuovo Cim. 14, 615 (1975)

H.G.de Carbalho, J.B.Martins, O.A.P.Tavares, V.di Napoli, M.L.Terranova, K.Tesch

Photofission Cross-Sections of ²⁰⁹Bi, ²³²Th and ²³⁸U Above 1 GeV

NUCLEAR REACTIONS ²⁰⁹Bi(γ, F), E=1-16 GeV; ²³²Th, ²³⁸U(γ, F), E=1-5.5 GeV; measured σ.

doi: 10.1007/BF02743343
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1975DI03      J.Inorg.Nucl.Chem. 37, 1101 (1975)

V.di Napoli, G.Rosa, F.Salvetti, M.L.Terranova, H.G.de Carvalho, J.B.Martins, O.A.P.Tavares

Photodisintegration of Light and Medium-Weight Nuclei at Intermediate Energies. I. Photoproduction of ¹⁸F, ²²Na, and ²⁴Na from Targets with Masses up to 40

NUCLEAR REACTIONS ²³Na, ²⁷Al, ²⁸Si, ³¹P, ³²S, ^35,37Cl, ³⁹K, ⁴⁰Ca(γ, X), E=0.3-1 GeV bremsstrahlung; measured photoproduction cross sections for ¹⁸F, ^22,24Na.

doi: 10.1016/0022-1902(75)80451-9
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1972DE37      Lett.Nuovo Cim. 4, 365 (1972)

H.G.De Carvalho, J.B.Martins, O.A.P.Tavares, R.A.M.S.Nazareth, V.di Napoli

Some Remarks on the Transparency of Complex Nuclei to Photoproduced Charged Pions at Intermediate Energies

doi: 10.1007/BF02756536
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1971DE43      Lett.Nuovo Cim. 2, 1139 (1971)

H.G.de Carvalho, J.B.Martins, O.A.P.Tavares, R.A.M.S.Nazareth, V.di Napoli

Transparencies of Complex Nuclei to Photoproduced Pions and Recoil Nucleons

NUCLEAR REACTIONS ¹²C, ²⁷Al, ⁵⁵Mn, ¹⁰⁰Ru, ²⁰⁹Bi, ²³⁸U(π⁰, X), (π⁺, X), (n, X), (p, X), E < 500 MeV; calculated nuclear transparencies.

doi: 10.1007/BF02757184
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