NSR Query Results
Output year order : Descending NSR database version of April 27, 2024. Search: Author = K.T.Macon Found 20 matches. 2022AN10 Phys.Rev. C 105, 055806 (2022) M.Anastasiou, I.Wiedenhover, J.C.Blackmon, L.T.Baby, D.D.Caussyn, A.A.Hood, E.Koshchiy, J.C.Lighthall, K.T.Macon, J.J.Parker, T.Rauscher, N.Rijal Measurement of the 18Ne(α, p)21Na reaction with the ANASEN active-target detector system at Ec.m. = 2.5-4 MeV NUCLEAR REACTIONS 4He(18Ne, p), E=2.5-4 MeV; measured reaction products, Ep, Ip, (particle)p-coin; deduced σ(E) to ground state, bound states, unbound sates and total σ(E), astrophysical reaction rates. Comparison to other experimental data and Hauser-Feschbach calculations. Active-target (filled with 4He) detector Array for Nuclear Astrophysics and Structure with Exotic Nuclei (ANASEN) at the John D. Fox Superconducting Accelerator Laboratory of Florida State University.
doi: 10.1103/PhysRevC.105.055806
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 23Na(p, γ)24Mg reaction NUCLEAR REACTIONS 23Na(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
2022FR09 Phys.Rev. C 106, 065803 (2022) B.Frentz, A.Aprahamian, A.Boeltzig, T.Borgwardt, A.M.Clark, R.J.deBoer, G.Gilardy, J.Gorres, M.Hanhardt, S.L.Henderson, K.B.Howard, T.Kadlecek, Q.Liu, K.T.Macon, S.Moylan, C.S.Reingold, D.Robertson, C.Seymour, S.Y.Strauss, F.Strieder, B.Vande Kolk, M.Wiescher Investigation of the 14N(p, γ)15O reaction and its impact on the CNO cycle NUCLEAR REACTIONS 14N(p, γ), E=0.27-1.07 MeV; measured Eγ, Iγ; deduced σ(θ, E) for particular transitions in daughter nuclei, astrophysical differential and total S-factor, astrophysical reaction rate for T=0.01-10 GK. Multichannel R-matrix analysis for the transition to the ground state, the excited states at 6.17 and 6.79 MeV, as well as 14N(p, p) differential scattering data. Discussed implication of the obtained data on the CNO neutrino production. Comparison to other experimental results. Single coaxial HPGe detector. Beam from 1 MV JN Van de Graaff at the Compact Accelerator System for Performing Astrophysical Research (CASPAR) at the Sanford Underground Research Facility.
doi: 10.1103/PhysRevC.106.065803
2022LA09 Phys.Rev. C 106, 025802 (2022) A.Laminack, J.C.Blackmon, A.Couture, J.P.Greene, M.Krticka, K.T.Macon, S.Mosby, C.Prokop, J.L.Ullmann, S.Valenta Measurement of neutron-capture cross sections of 70, 72Ge using the DANCE facility NUCLEAR REACTIONS 70,72Ge(n, γ), E=0.000001-1 MeV; measured Eγ, Iγ, γ sum energy; deduced neutron capture σ(E), Maxwellian averaged σ(E). Comparison to other experimental results and evaluated data from ENDF/B-VIII.0, KADoNiS-v1.0. Presented analysis of the impact of measured σ on stellar nucleosynthesis abundances.Detector for Advanced Neutron Capture Experiments (DANCE) consisting of 160 BaF2 detectors combined into calorimeter at Los Alamos Neutron Science Center (LANSCE, LANL).
doi: 10.1103/PhysRevC.106.025802
2022RI07 Phys.Rev. C 106, 064308 (2022) L.A.Riley, I.C.S.Hay, L.T.Baby, A.L.Conley, P.D.Cottle, J.Esparza, K.Hanselman, B.Kelly, K.W.Kemper, K.T.Macon, G.W.McCann, M.W.Quirin, R.Renom, R.L.Saunders, M.Spieker, I.Wiedenhover 54Fe(d, p)55Fe and the evolution of single neutron energies in the N=29 isotones NUCLEAR REACTIONS 54Fe(d, p), E=16 MeV; measured Ep, Ip, angular distribution. 55Fe; deduced levels, J, π, spectroscopic factors, single-neutron energies for the 2p3/2, 2p1/2, 1f5/2, 1g9/2 and 2d5/2 orbits, spin-orbit splitting. Comparison with calculations made in the framework of covariant density functional theory using the covariant energy density functional FSUGarnet. Systematics of single-neutron energy for N=28 isotones (49Ca, 51Ti, 53Cr, 55Fe, 57Ni). Super-Enge Split-Pole Spectrograph at 9MV Super FN Tandem Van de Graaff Accelerator at the John D. Fox Laboratory (FSU).
doi: 10.1103/PhysRevC.106.064308
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 10B (p, α)7Be reaction from 0.8 to 2.0 MeV NUCLEAR REACTIONS 10B(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 10B+p system - energy, spin, partial (p0, α0, α1) and total width. 10B(p, γ), E=0 .1-2.0 MeV; deduced σ(θ). 11C; 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
2021DE17 Phys.Rev. C 103, 065801 (2021) R.J.deBoer, A.Boeltzig, K.T.Macon, S.Aguilar, O.Gomez, B.Frentz, S.L.Henderson, R.Kelmar, M.Renaud, G.Seymour, B.Vande Kolk, M.Wiescher, C.R.Brune, S.P.Burcher, K.L.Jones, J.M.Kovoor, M.Febbraro, G.Imbriani, S.Mosby, K.Smith, R.Toomey Investigation of secondary γ-ray angular distributions using the 15N(p, α1γ)12C* reaction NUCLEAR REACTIONS 15N(p, αγ)12C*, E=0.88-4.0 MeV; measured Eγ, Iγ, angular distributions using Hybrid Array of LaBr3(Ce) Gamma Ray Detectors (HAGRiD) at the 5-MV Santa Ana accelerator of University of Notre Dame; deduced σ(E), σ(θ) distributions. 15N(p, αγ)12C*; 12C(α, α), (α, α'); analyzed present and previous experimental data for σ(θ) distributions by R-matrix formalism using AZURE2 code. Discussed inconsistencies and difficulty in fitting previous data. Detailed cross section data for both the reactions listed in the Supplemental Material.
doi: 10.1103/PhysRevC.103.065801
2021RI08 Phys.Rev. C 103, 064309 (2021) L.A.Riley, J.M.Nebel-Crosson, K.T.Macon, G.W.McCann, L.T.Baby, D.Caussyn, P.D.Cottle, J.Esparza, K.Hanselman, K.W.Kemper, E.Temanson, I.Wiedenhover 50Ti(d, p)51Ti: Single-neutron energies in the N=29 isotones, and the N=32 subshell closure NUCLEAR REACTIONS 50Ti(d, p)51Ti, E=16 MeV; measured E(p), I(p), σ(θ) using the Super Enge Split-Pole Spectrograph (SPS) spectrometer at the J. D. Fox Laboratory at Florida State University. 51Ti; deduced levels, J, L-transfers, spectroscopic factors, s3/2, s1/2, and d5/2 single-neutron energy centroids and compared with covariant density functional theory calculations. Adiabatic distorted wave approximation (ADW) and DWBA calculations using global optical potentials.
doi: 10.1103/PhysRevC.103.064309
2020AH03 Phys.Rev. C 102, 035805 (2020) T.Ahn, S.Aguilar, R.J.deBoer, D.W.Bardayan, A.Boeltzig, C.R.Brune, S.P.Burcher, K.Y.Chae, S.L.Henderson, R.K.Grzywacz, K.L.Jones, J.M.Kovoor, K.T.Macon, K.Manukyan, S.Mosby, P.D.O'Malley, M.Renaud, K.Smith, C.Thornsberry, B.Vande Kolk, M.Wiescher Cross-section measurements to low-lying excited final states in the 24Mg(α, p)27Al*(γ) reaction as an energy source for x-ray bursts NUCLEAR REACTIONS 24Mg(α, p)27Al*, E=4.0-5.4 MeV; measured Eγ, Iγ, γ(θ) for γ rays emitted by resonances in 27Al using an array of 13 LaBr3 detectors from the Hybrid Array of Gamma Ray Detectors (HAGRiD) and enriched target at the ANA accelerator at the University of Notre Dame; deduced yields for resonances in 27Al, integrated angular yields for resonances in 27Al for (α, p1) and (α, p2) channels, astrophysical reaction rates from 1-10 GK. Relevance to energy production in type Ia x-ray bursts. The γ rays also seen from 24Mg(α, a°), 24Mg(α, n)20Ne, and 24Mg(α, γ)28Si.
doi: 10.1103/PhysRevC.102.035805
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 13C(α, n)16O Cross Section with Implications for Neutrino Mixing and Geoneutrino Measurements NUCLEAR REACTIONS 13C(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 10B(α, n)13N reaction and its impact on neutron production in first-generation stars NUCLEAR REACTIONS 10B(α, n)13N, 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. 10B(α, pγ)13C, E=835-1665 keV; measured Eγ and Iγ. 14N; deduced levels, resonances, J, π, Γα, Γn, Γp, Γd, and Γ from R-matrix analysis, and compared with earlier experimental results. 10B(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. 10B(α, n)13N, T=0.1-10 GK; deduced astrophysical reaction rates, and compared to literature data.
doi: 10.1103/PhysRevC.101.025808
2020LO01 Phys.Rev. C 101, 015501 (2020) J.Long, M.Brodeur, M.Baines, D.W.Bardayan, F.D.Becchetti, D.Blankstein, C.Boomershine, D.P.Burdette, A.M.Clark, B.Frentz, S.L.Henderson, J.M.Kelly, J.J.Kolata, B.Liu, K.T.Macon, P.D.O'Malley, A.Pardo, C.Seymour, S.Y.Strauss, B.Vande Kolk Precision half-life measurement of 29P RADIOACTIVITY 29P(β+)[from 2H(28Si, X), E=9 MeV, followed by separation of 29P using the TwinSol facility at the FN tandem accelerator of the University of Notre Dame, and implantation of 29P beam in the NSL β-decay counting station]; measured β spectra, precise half-life of the decay of 29P; deduced ft value for the β transition to the ground state of 29Si, Cabibbo-Kobayashi-Maskawa matrix element Vud, Fermi to Gamow-Teller mixing ratio; evaluated half-life using present and previous experimental values. Discussed in detail corrections and uncertainties. Comparison with previous half-life measurements.
doi: 10.1103/PhysRevC.101.015501
2020PA40 Phys.Rev. C 102, 045502 (2020) H.I.Park, J.C.Hardy, M.Bencomo, V.E.Iacob, I.S.Towner, K.T.Macon, W.P.Tan, M.Brodeur, A.Boeltzig, B.Frentz, S.L.Henderson, J.Long, S.McGuinness, O.Olivas-Gomez, P.O'Malley, G.Seymour, B.Vande Kolk, A.Kayani Intensity of a weak 519-keV γ ray following β decay of the superallowed emitter 34Ar determined via the 33S(p, γ)34Cl reaction NUCLEAR REACTIONS 33S(p, γ)34Cl, E=1072 keV; measured Eγ, Iγ, and γγ-coin using GEORGINA array of five Ge detectors at the Pelletron accelerator of University of Notre Dame. 34Cl; deduced γ-branching ratios from the 666-keV level, in particular for the 519-keV γ ray following β+ decay of the superallowed emitter 34Ar. Comparison of the branching ratios with previous experimental results, and theoretical calculations.
doi: 10.1103/PhysRevC.102.045502
2020TA08 Phys.Rev.Lett. 124, 192702 (2020) W.P.Tan, A.Boeltzig, C.Dulal, R.J.deBoer, B.Frentz, S.Henderson, K.B.Howard, R.Kelmar, J.J.Kolata, J.Long, K.T.Macon, S.Moylan, G.F.Peaslee, M.Renaud, C.Seymour, G.Seymour, B.Vande Kolk, M.Wiescher, E.F.Aguilera, P.Amador-Valenzuela, D.Lizcano, E.Martinez-Quiroz New Measurement of 12C+12C Fusion Reaction at Astrophysical Energies NUCLEAR REACTIONS 12C(12C, X), E(cm)=2.2-5.0 MeV; measured reaction products, Eγ, Iγ; deduced σ, S-factor. Comparison with available data.
doi: 10.1103/PhysRevLett.124.192702
2019BU01 Phys.Rev. C 99, 015501 (2019) D.P.Burdette, M.Brodeur, T.Ahn, J.Allen, D.W.Bardayan, F.D.Becchetti, D.Blankstein, G.Brown, B.Frentz, M.R.Hall, S.King, J.J.Kolata, J.Long, K.T.Macon, A.Nelson, P.D.O'Malley, C.Seymour, M.Skulski, S.Y.Strauss, A.A.Valverde Resolving the discrepancy in the half-life of 20F RADIOACTIVITY 20F(β-)[from 2H(19F, p), E=46.0 MeV followed by separation of the radioactive beam using TwinSol]; measured T1/2 of 20F g.s. from β-decay curves using plastic scintillator for β- detection at the University of Notre Dame Nuclear Science Laboratory; deduced recommended average half-life by considering a selection from compiled previous experimental values.
doi: 10.1103/PhysRevC.99.015501
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 10Ba (α, n0) 13N cross section for 2.2 < Eα < 4.9 MeV and its application as a diagnostic at the National Ignition Facility NUCLEAR REACTIONS 10B(α, n), (α, n0)13N, E=2.2-4.9 MeV; measured En, In 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. 10B(α, p)13C, E=2.2-4.9 MeV; measured secondary Eγ, γ-ray yields, used for troubleshooting during the experiment.
doi: 10.1103/PhysRevC.100.034601
2018VA04 Phys.Rev. C 97, 035503 (2018) A.A.Valverde, M.Brodeur, T.Ahn, J.Allen, D.W.Bardayan, F.D.Becchetti, D.Blankstein, G.Brown, D.P.Burdette, B.Frentz, G.Gilardy, M.R.Hall, S.King, J.J.Kolata, J.Long, K.T.Macon, A.Nelson, P.D.O'Malley, M.Skulski, S.Y.Strauss, B.Vande Kolk Precision half-life measurement of 11C: The most precise mirror transition Ft value RADIOACTIVITY 11C(β+), (EC)[from 2H(10B, n), E=32.5 MeV at the Nuclear Science Laboratory of University of Notre Dame, followed by mass separation of 11C ions by TwinSol mass separator and implanted in a thick tantalum foil in NSL β-counting station]; measured Eβ, Iβ, half-life of 11C decay; deduced Ftmirror, Gamow-Teller-to-Fermi mixing ratio ρ, β asymmetry parameter Ab, β-neutrino angular correlation parameter aβν, neutrino asymmetry parameter Bn. Comparison with literature values. NUCLEAR REACTIONS 2H(10B, n)4He/9Be/10B/11C, E=32.5 MeV; measured yields for ions using TwinSol mass separator at University of Notre Dame.
doi: 10.1103/PhysRevC.97.035503
2017KO31 Nucl.Instrum.Methods Phys.Res. A870, 1 (2017) E.Koshchiy, J.C.Blackmon, G.V.Rogachev, I.Wiedenhover, L.Baby, P.Barber, D.W.Bardayan, J.Belarge, D.Caussyn, E.D.Johnson, K.Kemper, A.N.Kuchera, L.E.Linhardt, K.T.Macon, M.Matos, B.S.Rasco, D.Santiago-Gonzalez ANASEN: The array for nuclear astrophysics and structure with exotic nuclei NUCLEAR REACTIONS 4He(6He, 6He), E=7-29 MeV; 4He(14N, p), E=35.6 MeV; measured reaction products, Eα, Iα; deduced σ(θ).
doi: 10.1016/j.nima.2017.07.030
2017KU27 Phys.Rev. C 96, 045812 (2017) S.A.Kuvin, J.Belarge, L.T.Baby, J.Baker, I.Wiedenhover, P.Hoflich, A.Volya, J.C.Blackmon, C.M.Deibel, H.E.Gardiner, J.Lai, L.E.Linhardt, K.T.Macon, B.C.Rasco, N.Quails, K.Colbert, D.L.Gay, N.Keeley Measurement of 17F (d, n) 18Ne and the impact on the 17F (p, γ) 18Ne reaction rate for astrophysics NUCLEAR REACTIONS 2H(17F, n)18Ne, E=95.5 MeV, [secondary 17F beam from 2H(16O, n) primary reaction using RESOLUT RIB facility at the accelerator Laboratory of Florida State University]; measured reaction products, time-of-flight, E(n), I(n), E(p), I(p), Eγ, γγ-, (particle)γ-, and (17F)p-coin using RESONEUT detector system. 18Ne; deduced center-of-mass resonance-energy spectrum from invariant-mass analysis, levels, proton resonances, J, π, σ, spectroscopic factors, Γp, configurations, asymptotic normalization coefficients (ANCs). Coupled reaction-channel (CRC) calculation. 17F(p, γ), T9=0.04-0.9; deduced direct-capture reaction rates for astrophysical hot CNO cycles in novas. Comparison with previous experimental results.
doi: 10.1103/PhysRevC.96.045812
2016BE32 Phys.Rev.Lett. 117, 182701 (2016) J.Belarge, S.A.Kuvin, L.T.Baby, J.Baker, I.Wiedenhover, P.Hoflich, A.Volya, J.C.Blackmon, C.M.Deibel, H.E.Gardiner, J.Lai, L.E.Linhardt, K.T.Macon, E.Need, B.C.Rasco, N.Quails, K.Colbert, D.L.Gay, N.Keeley Experimental Investigation of the 19Ne(p, γ)20Na Reaction Rate and Implications for Breakout from the Hot CNO Cycle NUCLEAR REACTIONS 2H(19Ne, n), E=86 MeV; measured reaction products, Ep, Ip; deduced energy levels, J, π, properties of low-lying resonances, astrophysical reaction rates. Comparison with available data.
doi: 10.1103/PhysRevLett.117.182701
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