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NSR database version of May 3, 2024.

Search: Author = H.G.de Carvalho

Found 23 matches.

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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
Citations: PlumX Metrics

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
Citations: PlumX Metrics

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
Citations: PlumX Metrics

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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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetM0965.

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
Citations: PlumX Metrics

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
Citations: PlumX Metrics

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
Citations: PlumX Metrics

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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1973DI05      J.Inorg.Nucl.Chem. 35, 1419 (1973)

V.di Napoli, A.M.Lacerenza, F.Salvetti, S.M.Terenzi, H.G.de Carvalho, J.B.Martins

Photoproduction of ¹⁸F from ²⁷Al at Energies between 0.3 and 1 GeV

NUCLEAR REACTIONS ²⁷Al(γ, 4p5n), E=0.3-1.0 GeV; measured σ(E).

doi: 10.1016/0022-1902(73)80227-1
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1973DI09      Phys.Rev. C8, 206 (1973)

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

Photon-Induced Fragmentation in ²⁷Al and ³²S by 1-GeV Bremsstrahlung

NUCLEAR REACTIONS ¹²C, ¹⁶O, ¹⁹F, ²⁷Al, ³²S(γ, X), E=1 GeV; measured yields of ⁷Be, ¹¹C, ²⁷Al, ³²S.

doi: 10.1103/PhysRevC.8.206
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1972DE22      Lett.Nuovo Cim. 3, 720 (1972)

H.G.de Carvalho, M.de Araujo Penna

Alpha-Activity of ²⁰⁹Bi

RADIOACTIVITY ²⁰⁹Bi; measured no α-activity; deduced lower limit T_1/2.

doi: 10.1007/BF02824346
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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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1971DI05      Lett.Nuovo Cim. 1, 65 (1971)

V.di Napoli, A.M.Lacerenza, D.Margadonna, F.Salvetti, H.G.de Carvalho, J.Benuzzi Martins

Some Yield Measurements of (γ, n) and (γ, 2n) Processes in Gold at Energies between 0.3 GeV and 1 GeV

NUCLEAR REACTIONS ¹⁹⁷Au(γ, n), E=0.3-1.0 GeV; measured σ(E).

doi: 10.1007/BF02774063
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1971DI06      Lett.Nuovo Cim. 1, 538 (1971)

V.di Napoli, F.Salvetti, H.G.de Carvalho, J.Benuzzi Martins

Cross-Section of the ²³⁸U(γ, n)²³⁷U Reaction at Photon Energies between 300 MeV and 1000 MeV

NUCLEAR REACTIONS ²³⁸U(γ, n), E < 300-1000 MeV; measured σ(E).

doi: 10.1007/BF02789738
Citations: PlumX Metrics

1971DI07      Lett.Nuovo Cim. 1, 835 (1971)

V.di Napoli, A.M.Lacerenza, F.Salvetti, H.G.de Carvalho, J.B.Martins

Production of ²⁴Na and ²²Na from ²⁷Al by High-Energy Photons

NUCLEAR REACTIONS ²⁷Al(γ, X), E < 0.3-1 GeV; measured σ(E) for ^22,24Na production.

doi: 10.1007/BF02785238
Citations: PlumX Metrics

1969DE34      Nucl.Phys. A126, 505 (1969)

H.G.de Carvalho, V.di Napoli, D.Margadonna, F.Salvetti, K.Tesch

(γ, n) Reactions in the Energy Range 1.0-5.5 GeV

NUCLEAR REACTIONS ¹²C, ¹⁰³Rh, ¹²⁷I, ¹⁹⁷Au, ²³⁸U(γ, n), E(max)=1.0-5.5 GeV; ⁵⁵Mn(γ, n), ¹⁰³Rh(γ, 2n), ⁵⁵Mn, ¹²⁷I(γ, 3n), E(max)=2.0-5.5 MeV; measured σ(E(max)).

doi: 10.1016/0375-9474(69)90843-4
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1969DI09      Nuovo Cimento Lett. 1, 308 (1969)

V.di Napoli, D.Margadonna, F.Salvetti, H.G.de Carvalho, J.B.Martins

Gamma-Neutron Reactions in Rhodium at Energies Between 0.4 GeV and 0.9 GeV

NUCLEAR REACTIONS ¹⁰³Rh(γ, xn), E = 0.4 - 0.9 GeV; measured σ(E).

doi: 10.1007/BF02752512
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1969DI10      Nuovo Cimento Lett. 1, 121 (1969)

V.di Napoli, D.Margadonna, F.Salvetti, H.G.de Carvalho, J.B.Martins

Th (γ, n) Reaction in Gold at Energies Between 0.4 GeV and 0.9 GeV

NUCLEAR REACTIONS ¹⁹⁷Au(γ, n), E = 0.4 - 0.9 GeV; measured σ(E).

doi: 10.1007/BF02753725
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1969MA50      Nucl.Phys. A123, 664 (1969)

A.Manfredini, L.Fiore, C.Ramorino, H.G.de Carvalho, W.Wolfli

Angular Distribution of ²³⁸U Photofission Fragments for 12 Different Mono-Energetic γ-Rays

NUCLEAR REACTIONS ²³⁸U(γ, F), E=5.4-9 MeV; measured σ(E;θ fragment).

doi: 10.1016/0375-9474(69)91013-6
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetL0100.

1969MA51      Nucl.Phys. A127, 687 (1969)

A.Manfredini, L.Fiore, C.Ramorino, H.G.de Carvalho, W.Wolfli

Cross Sections for the Photofission of ²³²Th, Induced by Mono-Energetic Gamma Rays of 12 Different Energies

NUCLEAR REACTIONS ²³²Th(γ, F), E=5.4-9 MeV; measured σ(E).

doi: 10.1016/0375-9474(69)91042-2
Citations: PlumX Metrics

1965MA62      Nucl.Phys. 74, 377 (1965)

A.Manfredini, M.Muchnik, L.Fiore, C.Ramorino, H.G.De Carvalho, J.Lang, R.Muller

²³⁸U fission induced by low-energy monochromatic γ-rays: cross sections between 5 and 8 MeV

NUCLEAR REACTIONS ²³⁸U(γ, f), E=5.4-7.7 MeV; measured products; deduced σ, σ(E). Data were imported from EXFOR entry M0535.

doi: 10.1016/0029-5582(65)90089-1
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 datasetM0535.

1954DE37      Phys.Rev. 96, 398 (1954)

H.G.de Carvalho

Total Cross Sections of 208-Mev and 315-Mev Protons for Light Elements

NUCLEAR REACTIONS ^1,2H, Li, B, Be, C, N, O, ²⁷Al, S, Cl(p, X), E=208, 315 MeV; measured reaction products, Ep, Ip; deduced σ. Comparison with optical model calculations.

doi: 10.1103/PhysRev.96.398
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1860.

Note: The following list of authors and aliases matches the search parameter H.G.de Carvalho: H.G.DE CARBALHO, H.G.DE CARVALHO