NSR Query Results
Output year order : Descending NSR database version of April 11, 2024. Search: Author = M.Fonseca Found 16 matches. 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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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