NSR Query Results
Output year order : Descending NSR database version of April 11, 2024. Search: Author = L.Morales Found 7 matches. 2022BO17 Phys.Rev. C 106, 045801 (2022) A.Boeltzig, R.J.deBoer, Y.Chen, A.Best, M.Couder, A.Di Leva, B.Frentz, J.Gorres, Gy.Gyurky, G.Imbriani, M.Junker, Q.Liu, S.Lyons, K.Manukyan, K.T.Macon, L.Morales, M.T.Moran, D.Odell, C.Seymour, G.Seymour, E.Stech, B.Vande Kolk, M.Wiescher Investigation of direct capture in the ^{23}Na(p, γ)^{24}Mg reaction NUCLEAR REACTIONS ^{23}Na(p, γ), E=0.5-1 MeV; measured Eγ, Iγ; deduced σ(E) for 8 γ-transitions, resonance energies and partial widths, asymptotic normalisation coefficients (ANC), S-factor, reaction rate. R-matrix analysis with AZURE2 code. Comparison to other experimental data and theoretical calculations. HPGe detector at Stable ion Accelerator for Nuclear Astrophysics (University of Notre Dame).
doi: 10.1103/PhysRevC.106.045801
2022VA04 Phys.Rev. C 105, 055802 (2022) B.Vande Kolk, K.T.Macon, R.J.deBoer, T.Anderson, A.Boeltzig, K.Brandenburg, C.R.Brune, Y.Chen, A.M.Clark, T.Danley, B.Frentz, R.Giri, J.Gorres, M.Hall, S.L.Henderson, E.Holmbeck, K.B.Howard, D.Jacobs, J.Lai, Q.Liu, J.Long, K.Manukyan, T.Massey, M.Moran, L.Morales, D.Odell, P.O'Malley, S.N.Paneru, A.Richard, D.Schneider, M.Skulski, N.Sensharma, C.Seymour, G.Seymour, D.Soltesz, S.Strauss, A.Voinov, L.Wustrich, M.Wiescher Investigation of the ^{10}B (p, α)^{7}Be reaction from 0.8 to 2.0 MeV NUCLEAR REACTIONS ^{10}B(p, α), (p, p), E=0.8-2.0 MeV; measured Eα, Iα, Ep, Ip; deduced σ(θ), σ(E) S-factor, resonance parameters of ^{10}B+p system - energy, spin, partial (p_{0}, α_{0}, α_{1}) and total width. ^{10}B(p, γ), E=0 .1-2.0 MeV; deduced σ(θ). ^{11}C; deduced levels, J, π. R-matrix analysis. Measurements were made at the University of Notre Dame (UND) Nuclear Science Laboratory (NSL) using a degrader foil method, while those at the Edwards AcceleratorLaboratory at Ohio University (OU) were performed using the time-of-flight (ToF)technique. Comparison with other experimental data.
doi: 10.1103/PhysRevC.105.055802
2021FR05 Phys.Rev. C 103, 045802 (2021) B.Frentz, A.Aprahamian, A.M.Clark, R.J.deBoer, C.Dulal, J.D.Enright, J.Gorres, S.L.Henderson, J.D.Hinnefeld, K.B.Howard, R.Kelmar, K.Lee, L.Morales, S.Moylan, Z.Rahman, W.Tan, L.E.Weghorn, M.Wiescher Lifetime measurements of excited states in ^{15}O NUCLEAR REACTIONS ^{14}N(p, γ)^{15}O, E=1020, 1570 keV; measured Eγ, Iγ, half-lives of 5.18-, 6.17- and 6.79-MeV levels in ^{15}O by Doppler-shift attenuation method (DSAM) using three separate, nitrogen-implanted targets with Mo, Ta, and W backings at the Nuclear Science Laboratory (NSL) of University of Notre Dame. Comparison with previous half-life measurements. Monte Carlo simulations of Doppler-shift attenuation factors. R-matrix analysis of asymptotic normalization constants (ANCs) and radiative widths Γ_{γ} using AZURE2 code for g.s. and levels between 6793 and 9609 keV, including half-lives measured in the present work and experimental data in literature. Relevance to CNO chain of reactions and uncertainty in the ^{14}N(p, γ)^{15}O reaction rate.
doi: 10.1103/PhysRevC.103.045802
2020FE06 Phys.Rev.Lett. 125, 062501 (2020) M.Febbraro, R.J.deBoer, S.D.Pain, R.Toomey, F.D.Becchetti, A.Boeltzig, Y.Chen, K.A.Chipps, M.Couder, K.L.Jones, E.Lamere, Q.Liu, S.Lyons, K.T.Macon, L.Morales, W.A.Peters, D.Robertson, B.C.Rasco, K.Smith, C.Seymour, G.Seymour, M.S.Smith, E.Stech, B.Vande Kolk, M.Wiescher New ^{13}C(α, n)^{16}O Cross Section with Implications for Neutrino Mixing and Geoneutrino Measurements NUCLEAR REACTIONS ^{13}C(α, n), E=5.2-6.4 MeV; measured reaction products, Eγ, Iγ; deduced σ. Comparison with experimental data, JENDL and ENDF/B evaluated libraries.
doi: 10.1103/PhysRevLett.125.062501
2020LI08 Phys.Rev. C 101, 025808 (2020) Q.Liu, M.Febbraro, R.J.deBoer, S.Aguilar, A.Boeltzig, Y.Chen, M.Couder, J.Gorres, E.Lamere, S.Lyons, K.T.Macon, K.Manukyan, L.Morales, S.Pain, W.A.Peters, C.Seymour, G.Seymour, R.Toomey, B.Vande Kolk, J.Weaver, M.Wiescher Low-energy cross-section measurement of the ^{10}B(α, n)^{13}N reaction and its impact on neutron production in first-generation stars NUCLEAR REACTIONS ^{10}B(α, n)^{13}N, E=575-2522 keV; measured E(n), I(n), n(θ), σ(E, θ), differential S factors using deuterated liquid scintillator detector for neutrons at the University of Notre Dame Nuclear Science Laboratory. ^{10}B(α, pγ)^{13}C, E=835-1665 keV; measured Eγ and Iγ. ^{14}N; deduced levels, resonances, J, π, Γ_{α}, Γ_{n}, Γ_{p}, Γ_{d}, and Γ from R-matrix analysis, and compared with earlier experimental results. ^{10}B(α, n), (α, p), (α, d), (α, α), E(cm)=0.4-1.2 MeV; analyzed present and previous experimental data for differential σ(E) by R-matrix fit. ^{10}B(α, n)^{13}N, T=0.1-10 GK; deduced astrophysical reaction rates, and compared to literature data.
doi: 10.1103/PhysRevC.101.025808
2019LA15 Phys.Rev. C 100, 034614 (2019) E.Lamere, M.Couder, M.Beard, A.Simon, A.Simonetti, M.Skulski, G.Seymour, P.Huestis, K.Manukyan, Z.Meisel, L.Morales, M.Moran, S.Moylan, C.Seymour, E.Stech Proton-induced reactions on molybdenum NUCLEAR REACTIONS ^{92}Mo(p, α)^{89}Nb/^{89m}Nb, (p, np)^{91}Mo/^{91m}Mo, (p, 2p)^{91m}Nb, (p, n)^{92}Tc, (p, γ)^{93}Tc/^{93m}Tc, E=10.52, 13.03, 15.07, 16.07, 17.05, 18.07 MeV; ^{94}Mo(p, α)^{91m}Nb, (p, np)^{93m}Mo, (p, 2n)^{93}Tc/^{93m}Tc, (p, n)^{94}Tc/^{94m}Tc, E=9.04, 10.06, 11.05, 12.05, 13.04, 14.04, 15.04, 16.06, 17.06, 18.05, 19.06 MeV; ^{95}Mo(p, nα)^{91m}Nb, (p, α)^{92m}Nb, (p, 2n)^{94}Tc/^{94m}Tc, (p, n)^{95m}Tc/^{95m}Tc, E=10.57, 12.01, 13.02, 4.03, 15.07, 16.03, 17.99, 19.03 MeV; ^{96}Mo(p, nα)^{92m}Nb, (p, 2n)^{95}Tc/^{95m}Tc, (p, n)^{96}Tc/^{96m}Tc, E=8.04, 10.06, 11.07, 11.55, 12.07, 12.55, 13.06, 14.05, 15.05, 16.05, 17.05, 18.05, 19.06 MeV; ^{97}Mo(p, 2n)^{96}Tc/^{96m}Tc, (p, n)^{97m}Tc, E=9.01, 10.05, 10.98, 11.98, 13.02, 14.02, 15.04 MeV; ^{98}Mo(p, α)^{95}Nb/^{95m}Nb, (p, 2n)^{97m}Tc, (p, γ)^{99m}Tc, E=10.06, 11.06, 12.05, 13.06, 14.05, 15.05, 16.06, 17.06, 18.02, 19.05 MeV; ^{100}Mo(p, nα)^{96}Nb, (p, α)^{97}Nb/^{97m}Nb, (p, np)^{99}Mo, (p, 2n)^{99m}Tc, (p, γ)^{101}Tc, E=8.01, 9.01, 10.07, 11.01, 12.02, 13.03, 14.03, 15.07, 16.04, 17.03, 18.07, 19.07 MeV; measured Eγ, Iγ, σ(E) by γ-activation method. Comparison with HF calculations using TALYS-1.8 code, and with previous experimental results. Measurement made at the Nuclear Science Laboratory at the University of Notre Dame.
doi: 10.1103/PhysRevC.100.034614
2019LI42 Phys.Rev. C 100, 034601 (2019) Q.Liu, M.Febbraro, R.J.deBoer, A.Boeltzig, Y.Chen, C.Cerjan, M.Couder, B.Frentz, J.Gorres, E.A.Henry, E.Lamere, K.T.Macon, K.V.Manukyan, L.Morales, P.D.O'Malley, S.D.Pain, W.A.Peters, D.Schneider, C.Seymour, G.Seymour, E.Temanson, R.Toomey, B.Vande Kolk, J.Weaver, M.Wiescher Measurement of the ^{10}Ba (α, n_{0}) ^{13}N cross section for 2.2 < E_{α} < 4.9 MeV and its application as a diagnostic at the National Ignition Facility NUCLEAR REACTIONS ^{10}B(α, n), (α, n_{0})^{13}N, E=2.2-4.9 MeV; measured E_{n}, I_{n} using five deuterated liquid scintillation detectors at the University of Notre Dame Nuclear Science Laboratory; deduced differential σ(E), angular distribution coefficients, thick target yields. Comparison with previous experimental data. Preliminary calculations performed to test feasibility of this reaction as a diagnostic tool for the National Ignition Facility (NIF) implosion. ^{10}B(α, p)^{13}C, E=2.2-4.9 MeV; measured secondary Eγ, γ-ray yields, used for troubleshooting during the experiment.
doi: 10.1103/PhysRevC.100.034601
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