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NSR database version of May 20, 2024.

Search: Author = M.Fonseca

Found 16 matches.

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2022CR02      Eur.Phys.J. A 58, 128 (2022)

J.Cruz, M.Fonseca, R.Mateus, V.Manteigas, H.Luis, A.P.Jesus

Cross-sections of the gamma-producing 25Mg(p, pγ1-0)25Mg nuclear reaction at Elab = 870-4020 keV

NUCLEAR REACTIONS 25Mg(p, p'), E=869-4017 keV; measured reaction products, Eγ, Iγ; deduced γ-ray energies, σ(θ), resonances, Breit-Wigner parameters, thick-target yields, partial level scheme. Comparison with ERYA-Bulk code calculations. The 2.5 MV Van de Graaff accelerator, the Centro Tecnologico e Nuclear (CTN), Portugal.

doi: 10.1140/epja/s10050-022-00780-0
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO2551. Data from this article have been entered in the XUNDL database. For more information, click here.


2022MA60      Eur.Phys.J. A 58, 209 (2022)

R.Mateus, M.Fonseca, J.Cruz, V.Manteigas, C.Santos, H.Luis, H.Silva, A.P.Jesus

Gamma-ray cross-sections of the 27Al(p, p'γ)27Al reaction in the proton energy range 1490-3000 keV

NUCLEAR REACTIONS 27Al(p, p'γ), E<2.4 MeV; measured reaction products, Eγ, Iγ. 28Si; deduced yields, σ(θ), energy levels and resonance widths. Comparison with available data. The 2.5 MV Van de Graaff accelerator, Laboratory of Accelerators and Radiation Technologies (LATR) of Instituto Superior Tecnico (IST), Portugal.

doi: 10.1140/epja/s10050-022-00861-0
Citations: PlumX Metrics


2021GO04      Phys.Rev. C 103, 025802 (2021)

K.Gobel, C.Beinrucker, B.Bruckner, P.Erbacher, S.Fiebiger, M.Fonseca, M.Heftrich, T.Heftrich, F.Kappeler, A.Krasa, D.Kurtulgil, C.Lederer-Woods, R.Plag, A.Plompen, R.Reifarth, S.Schmidt, K.Sonnabend, M.Weigand

Neutron activation of 69Ga and 71Ga at kBT ≈ 25 keV

NUCLEAR REACTIONS 69,71Ga(n, γ), E<110 keV, centered at 25 keV, [neutrons from 7Li(p, n), E=1512 keV at the 7 MV Van de Graaff accelerator of EC-JRC, Geel]; measured Eγ, Iγ, natural Ga target, cross sections by activation method; deduced simulated neutron energy distribution, spectrum-averaged σ(E), and σ(E) relative to σ(E) for 197Au. Comparison with results in evaluated in KADoNiS v0.3 and ENDF/B-VII.1 libraries. Relevance to production of gallium in the weak s process in massive stars.

doi: 10.1103/PhysRevC.103.025802
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 dataset23776.


2019CH03      Nucl.Instrum.Methods Phys.Res. B441, 108 (2019)

M.Chiari, E.Alves, I.Bogdanovic Radovic, J.Cruz, L.Csedreki, M.Fonseca, D.Galaviz, A.Henriques, M.Jaksic, A.P.Jesus, O.Kakuee, A.Z.Kiss, A.Lagoyannis, F.Lourenco, H.Luis, J.Machado, B.Melon, C.K.Nuviadenu, L.Salvestrini, N.Sharifzadeh, Z.Siketic, G.A.Sziki, Z.Szikszai, P.Teubig, P.Velho, I.Zamboni, M.Zarza

Measurement of proton induced γ-ray emission cross sections on Na from 1.0 to 4.1 MeV

NUCLEAR REACTIONS 23Na(p, p'), (p, α'), E=1.0-4.1 MeV; measured reaction products, Eγ, Iγ; deduced partial σ(θ) for proton induced γ-ray emission and their uncertainties.

doi: 10.1016/j.nimb.2017.01.043
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO2476.


2019SI22      Nucl.Instrum.Methods Phys.Res. B452, 26 (2019)

H.Silva, C.Santos, M.Fonseca, H.Luís, L.Martins, V.Manteigas, J.Cruz, A.P.Jesus

Measurement of gamma-ray production cross sections for nuclear reaction 31P(p, pγ1-0)31P

NUCLEAR REACTIONS 31P(p, pγ), E=2.6-4 MeV; measured reaction products, Eγ, Iγ; deduced yields, σ(θ) for IBANDL. Comparison with available data.

doi: 10.1016/j.nimb.2019.05.060
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO2451.


2017SI16      Nucl.Instrum.Methods Phys.Res. B406, 135 (2017)

H.Silva, J.Cruz, A.M.Sanchez-Benitez, C.Santos, H.Luis, M.Fonseca, A.P.Jesus

Production of thin targets by implantation for the measurement of the 16O + 16O elastic scattering below the Coulomb barrier

NUCLEAR REACTIONS 16O(16O, 16O), E=8 MeV; measured reaction products; deduced yields. Comparison with SIMNRA simulation.

doi: 10.1016/j.nimb.2017.02.049
Citations: PlumX Metrics


2017WE02      Phys.Rev. C 95, 015808 (2017)

M.Weigand, C.Beinrucker, A.Couture, S.Fiebiger, M.Fonseca, K.Gobel, M.Heftrich, T.Heftrich, M.Jandel, F.Kappeler, A.Krasa, C.Lederer, H.Y.Lee, R.Plag, A.Plompen, R.Reifarth, S.Schmidt, K.Sonnabend, J.L.Ullmann

63Cu (n, γ) cross section measured via 25 keV activation and time of flight

NUCLEAR REACTIONS 63Cu(n, γ), E=75 eV to 500 keV; measured Eγ, Iγ, time of flight, σ(E) by activation with a quasistellar neutron spectrum at JRC-Geel, and the energy dependence of the cross section measured with an isotopically enriched 63Cu sample placed in the center of the DANCE detector array at LANSCE-LANL facility; deduced Maxwellian-averaged cross sections for the whole temperature range relevant for different scenarios of the s-process nucleosynthesis. Comparison with previous experimental measurements and with evaluated cross sections from TENDL-2015.

doi: 10.1103/PhysRevC.95.015808
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 dataset14467.


2016CA24      Nucl.Instrum.Methods Phys.Res. B381, 110 (2016)

P.Cabanelas, J.Cruz, M.Fonseca, A.Henriques, F.Lourenco, H.Luis, J.Machado, J.P.Ribeiro, A.M.Sanchez-Benitez, P.Teubig, P.Velho, M.Zarza-Moreno, D.Galaviz, A.P.Jesus

Cross sections for proton induced high energy γ-ray emission (PIGE) in reaction 19F(p, α γ)16O at incident proton energies between 1.5 and 4 MeV

NUCLEAR REACTIONS 19F(p, αγ), E=1.5-4.0 MeV; measured reaction products, Eγ, Iγ; deduced σ(θ). Comparison with available data.

doi: 10.1016/j.nimb.2016.06.003
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO2301.


2014CH55      Nucl.Instrum.Methods Phys.Res. B 332, 355 (2014)

M.Chiari, B.Melon, L.Salvestrini, M.Fonseca, E.Alves, A.P.Jesus

Measurements of proton induced gamma-ray emission cross sections on Al from 2.5 MeV to 4.1 MeV

NUCLEAR REACTIONS 27Al(p, p'), E=2.5-4 MeV; measured products, 27Al; deduced σ(θ). Data were imported from EXFOR entry O2226.

doi: 10.1016/j.nimb.2014.02.095
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO2226.


2012CR02      J.Phys.:Conf.Ser. 337, 012062 (2012)

J.Cruz, H.Luis, M.Fonseca, A.P.Jesus

Electron screening effects in nuclear reactions: still an unsolved problem

doi: 10.1088/1742-6596/337/1/012062
Citations: PlumX Metrics


2009CR08      Nucl.Instrum.Methods Phys.Res. B 267, 478 (2009)

J.Cruz, M.Fonseca, H.Luis, R.Mateus, H.Marques, A.P.Jesus, J.P.Ribeiro, O.M.N.D.Teodoro, C.Rolfs

Production and characterization of thin 7Li targets fabricated by ion implantation

NUCLEAR REACTIONS 7Li(p, α), E=89.7 keV-1.7 MeV; measured products, 4He; deduced σ, σ(E). Data were imported from EXFOR entry D0550.

doi: 10.1016/j.nimb.2008.11.028
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD0550.


2008CR02      J.Phys.(London) G35, 014004 (2008)

J.Cruz, H.Luis, M.Fonseca, Z.Fulop, G.Gyurky, F.Raiola, M.Aliotta, K.U.Kettner, A.P.Jesus, J.P.Ribeiro, F.C.Barker, C.Rolfs

Experimental study of proton-induced nuclear reactions in 6, 7Li

NUCLEAR REACTIONS 6Li(p, α), E=90-580 keV; 7Li(p, α), E=90-1740 keV; measured cross sections and angular distributions; deduced S-factor. comparison with previous experimental data.

doi: 10.1088/0954-3899/35/1/014004
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO1590.


2007RA22      Eur.Phys.J. A 32, 51 (2007)

F.Raiola, T.Spillane, B.Limata, B.Wang, S.Yan, M.Aliotta, H.W.Becker, J.Cruz, M.Fonseca, L.Gialanella, A.P.Jesus, K.U.Kettner, R.Kunze, H.Luis, J.P.Ribeiro, C.Rolfs, M.Romano, D.Schurmann, F.Strieder

First hint on a change of the 210Po alpha-decay half-life in the metal Cu

RADIOACTIVITY 210Po(α); measured Eα, Iα, T1/2 as a function of temperature by implanting Po ions in cooled metallic copper.

doi: 10.1140/epja/i2007-10012-8
Citations: PlumX Metrics


2006RA19      Eur.Phys.J. A 27, Supplement 1, 79 (2006)

F.Raiola, B.Burchard, Zs.Fulop, Gy.Gyurky, S.Zeng, J.Cruz, A.Di Leva, B.Limata, M.Fonseca, H.Luis, M.Aliotta, H.W.Becker, C.Broggini, A.D'Onofrio, L.Gialanella, G.Imbriani, A.P.Jesus, M.Junker, J.P.Ribeiro, V.Roca, C.Rolfs, M.Romano, E.Somorjai, F.Strieder, F.Terrasi

Enhanced d(d, p)t fusion reaction in metals

NUCLEAR REACTIONS 2H(d, p), E ≈ 4-23 keV; measured S-factors, electron screening effects for reactions in deuterated metals, temperature dependence.

doi: 10.1140/epja/i2006-08-011-0
Citations: PlumX Metrics


2005CR05      Phys.Lett. B 624, 181 (2005)

J.Cruz, Z.Fulop, G.Gyurky, F.Raiola, A.Di Leva, B.Limata, M.Fonseca, H.Luis, D.Schurmann, M.Aliotta, H.W.Becker, A.P.Jesus, K.U.Kettner, J.P.Ribeiro, C.Rolfs, M.Romano, E.Somorjai, F.Strieder, and the LUNA Collaboration

Electron screening in 7Li(p, α)α and 6Li(p, α)3He for different environments

NUCLEAR REACTIONS 7Li(p, α), E=30-100 keV; measured yields in various compounds; deduced electron screening effect, astrophysical S-factors.

doi: 10.1016/j.physletb.2005.08.036
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO1282.


2005RA27      J.Phys.(London) G31, 1141 (2005)

F.Raiola, B.Burchard, Z.Fulop, G.Gyurky, S.Zeng, J.Cruz, A.Di Leva, B.Limata, M.Fonseca, H.Luis, M.Aliotta, H.W.Becker, C.Broggini, A.D'Onofrio, L.Gialanella, G.Imbriani, A.P.Jesus, M.Junker, J.P.Ribeiro, V.Roca, C.Rolfs, M.Romano, E.Somorjai, F.Strieder, F.Terrasi, for the LUNA Collaboration

Electron screening in d(d, p)t for deuterated metals: temperature effects

NUCLEAR REACTIONS 2H(d, p), E ≈ 4-23 keV; measured S-factors, electron screening effects for reactions in deuterated metals, temperature dependence.

doi: 10.1088/0954-3899/31/11/002
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO1379.


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