NSR Query Results
Output year order : Descending NSR database version of April 27, 2024. Search: Author = S.L.Henderson Found 17 matches. 2023HU12 Phys.Rev. C 107, 064612 (2023) S.Hudan, J.E.Johnstone, R.Kumar, R.T.deSouza, J.Allen, D.W.Bardayan, D.Blankstein, C.Boomershine, S.Carmichael, A.Clark, S.Coil, S.L.Henderson, P.D.O'Malley, W.W.von Seeger Quantifying resonance behavior in the fusion of 17O with 12C at above-barrier energies NUCLEAR REACTIONS 12C(17O, X)29Si, E=47, 47.5, 48, 55 MeV; measured reaction products, evaporation residues, charged particles; deduced fusion excitation functions, fusion σ(E). Comparison to other experimental data including fusion data on 17F+12C system. Systematics of the fusion σ for 16,17,18,19+12C systems. Gas filled (CH4) active target MuSIC@Indiana at the University of Notre Dame Nuclear Science Laboratory.
doi: 10.1103/PhysRevC.107.064612
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
2022LO14 Phys.Rev. C 106, 045501 (2022) J.Long, C.R.Nicoloff, D.W.Bardayan, F.D.Becchetti, D.Blankstein, C.Boomershine, D.P.Burdette, M.A.Caprio, L.Caves, P.J.Fasano, B.Frentz, S.L.Henderson, J.M.Kelly, J.J.Kolata, B.Liu, P.D.O'Malley, S.Y.Strauss, R.Zite, M.Brodeur Precision half-life determination for the β+ emitter 13N RADIOACTIVITY 13N(β+)[from 2H(12C, n), E=34 MeV]; measured β+; deduced T1/2, ft value. Comparison to previous experimental results; calculated B(GT). Calculations using ab initio no-core configuration interaction (NCCI) with the Daejeon16 interaction. TwinSol twin-solenoid facility at NSL coupled to NSL β-counting station (University of Notre Dame).
doi: 10.1103/PhysRevC.106.045501
2022RA12 Nucl.Phys. A1023, 122446 (2022) A.P.D.Ramirez, E.E.Peters, J.R.Vanhoy, S.F.Hicks, L.A.Alasagas, D.K.Alcorn-Dominguez, S.T.Block, S.T.Byrd, E.A.Chouinard, B.M.Combs, B.P.Crider, E.C.Derdyn, L.Downes, J.A.Erlanson, S.E.Evans, A.J.French, E.A.Garza, J.Girgis, T.D.Harrison, S.L.Henderson, T.J.Howard, D.T.Jackson, L.J.Kersting, A.Kumar, S.H.Liu, C.J.Lueck, E.M.Lyons, P.J.McDonough, M.T.McEllistrem, T.J.Morin, S.Mukhopadhyay, T.A.Nguyen, M.Nickel, S.Nigam, R.L.Pecha, J.Potter, F.M.Prados-Estevez, B.G.Rice, T.J.Ross, Z.C.Santonil, J.Schneiderjan, L.C.Sidwell, A.J.Sigillito, J.L.Steves, B.K.Thompson, D.W.Watts, Y.Xiao, S.W.Yates Neutron elastic and inelastic scattering differential cross sections on carbon NUCLEAR REACTIONS C(n, n), (n, n'), E=0.5-8 MeV; measured reaction products, En, In, TOF; deduced σ(θ). Comparison with ENDF/B-VIII.0 library. The Univ ersity of Kentucky Accelerator Laboratory (UKAL).
doi: 10.1016/j.nuclphysa.2022.122446
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
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 15O NUCLEAR REACTIONS 14N(p, γ)15O, E=1020, 1570 keV; measured Eγ, Iγ, half-lives of 5.18-, 6.17- and 6.79-MeV levels in 15O 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 Γγ 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 14N(p, γ)15O reaction rate.
doi: 10.1103/PhysRevC.103.045802
2021MC02 Nucl.Instrum.Methods Phys.Res. B493, 15 (2021) S.R.McGuinness, S.J.Ferran, J.T.Wilkinson, C.S.Loveless, T.Anderson, D.Blankstein, A.M.Clark, S.L.Henderson, A.D.Nelson, C.S.Reingold, M.Skulski, S.E.Lapi, G.F.Peaslee Production of 52Fe from symmetric complete fusion-evaporation reactions NUCLEAR REACTIONS 27Al(28Si, 2np)52Fe, E=85.5 MeV; measured reaction products, Eγ, Iγ; deduced yields, σ. Comparison with PACE4 calculations.
doi: 10.1016/j.nimb.2021.02.008
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
2020BU02 Phys.Rev. C 101, 055504 (2020) D.P.Burdette, M.Brodeur, D.W.Bardayan, F.D.Becchetti, D.Blankstein, C.Boomershine, L.Caves, S.L.Henderson, J.J.Kolata, B.Liu, J.Long, P.D.O'Malley, S.Y.Strauss Precise half-life determination of the mixed-mirror β-decaying 15O RADIOACTIVITY 15O(β+)[from 2H(14N, n), E=39 MeV]; measured Eβ, Iβ, T1/2 of 15O decay using a plastic scintillator at the β-Counting Station of the Nuclear Science Laboratory of University Notre Dame. Comparison with previous experimental results. Relevance to future determinations of Cabibbo-Kobayashi-Maskawa (CKM) matrix Vud for superallowed mirror transitions of 1/2 isospin. NUCLEAR REACTIONS 2H(14N, n)1H/4He/6Li/12C/13C/14N/15N/15O, E=39 MeV; measured reaction products, particle identification plot.
doi: 10.1103/PhysRevC.101.055504
2020KE01 Phys.Rev. C 101, 015801 (2020), Erratum Phys.Rev. C 96, 019901 (2017) R.Kelmar, A.Simon, O.Olivas-Gomez, P.Millican, C.S.Reingold, E.Churchman, A.M.Clark, S.L.Henderson, S.E.Kelly, D.Robertson, E.Stech, W.P.Tan Searching for (γ, α)/(γ, n) branching points in the γ-process path near A+100 NUCLEAR REACTIONS 90Zr, 102Pd, 108,110Cd(α, γ), E(cm)=7.5-11.6 MeV; measured Eγ, Iγ, σ(E) using High Efficiency total absorption spectrometer (HECTOR) composed of 16 NaI(Tl) detectors at the University of Notre Dame Nuclear Science Laboratory. Comparison with data in NONSMOKER database, and with calculations using TALYS 1.9 code. 90Zr, 102Pd, 108,110Cd(α, γ), T9=0.3-10; deduced astrophysical reaction rates using the TALYS 1.9 code with the back-shifted Fermi gas LD model, the αOMP, and the Brink-Axel Lorentzian γSF.
doi: 10.1103/PhysRevC.101.015801
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
2020OL07 Phys.Rev. C 102, 055806 (2020) O.Olivas-Gomez, A.Simon, O.Gorton, J.E.Escher, E.Churchman, P.Millican, R.Kelmar, C.S.Reingold, A.M.Clark, N.Cooper, C.Harris, S.L.Henderson, S.E.Kelly, F.Naqvi, A.Palmisano, D.Robertson, E.Stech, A.Spyrou, W.P.Tan Measurements of proton capture in the A = 100-100 mass region: Constraints on the 111In(γ, p)/(γ, n) branching point relevant to the γ process NUCLEAR REACTIONS 102Pd(p, γ)103Ag, E=4-8 MeV; 108Cd(p, γ)109In, E=3.5=7 MeV; 110Cd(p, γ)111In, E=3-6 MeV; measured Eγ, Iγ, summed γ spectra using a high efficiency total absorption spectrometer and γ-summing technique at the 10-MV FN Tandem Van de Graaff accelerator of the University of Notre Dame; deduced capture σ(E) for the ground states, total σ(E), constrain Hauser-Feshbach parameters used in TALYS 1.9. Comparison with theoretical predictions from the NON-SMOKER code, and with Hauser-Feshbach statistical calculations. Recommended (γ, p) and (γ, n) stellar photodissociation decay rates for 103Ag, 109In and 111In for T=1-10 GK. Relevance to γ process is an explosive astrophysical scenario.
doi: 10.1103/PhysRevC.102.055806
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
2019HE11 Phys.Rev. C 99, 064320 (2019) S.L.Henderson, T.Ahn, M.A.Caprio, P.J.Fasano, A.Simon, W.Tan, P.O'Malley, J.Allen, D.W.Bardayan, D.Blankstein, B.Frentz, M.R.Hall, J.J.Kolata, A.E.McCoy, S.Moylan, C.S.Reingold, S.Y.Strauss, R.O.Torres-Isea First measurement of the B(E2; 3/2- → 1/2-) transition strength in 7Be: Testing ab initio predictions for A = 7 nuclei NUCLEAR REACTIONS 197Au(7Be, 7Be'), E=31.3 MeV, [secondary 7Be beam from 2H(6Li, n), E=34.0 MeV primary reaction]; measured reaction products, particle spectra, Eγ, Iγ, (particle)γ-coin using silicon detector for charged particle detection and HPGe detectors for γ detection at the University of Notre Dame FN Tandem Van de Graaff accelerator facility. 7Be; deduced levels, J, π, Coulomb excitation cross section, B(E2) for 3/2- to 1/2- (g.s. to the first excited state) transition. Comparison with ab initio no-core shell model (NCSM) calculations.
doi: 10.1103/PhysRevC.99.064320
2019RE04 Eur.Phys.J. A 55, 77 (2019) C.S.Reingold, O.Olivas-Gomez, A.Simon, J.Arroyo, M.Chamberlain, J.Wurzer, A.Spyrou, F.Naqvi, A.C.Dombos, A.Palmisano, T.Anderson, A.M.Clark, B.Frentz, M.R.Hall, S.L.Henderson, S.Moylan, D.Robertson, M.Skulski, E.Stech, S.Y.Strauss, W.P.Tan, B.Vande Kolk High Efficiency Total Absorption Spectrometer HECTOR for capture reaction measurements RADIOACTIVITY 60Co(IT); measured Eγ, Iγ using Total Absorption Spectrometer HECTOR; deduced sum spectrum; compared with GEANT4 simulated spectrum. NUCLEAR REACTIONS 27Al(p, γ), E not given; measured Eγ, Iγ; deduced resonances, average multiplicities, summing efficiencies and resonance strengths; compared with GEANT4 simulations and with published data. Remark: Paper aimed mainly to show the possibilities of the HECTOR spectrometer.
doi: 10.1140/epja/i2019-12748-8
2018VA02 Nucl.Phys. A972, 107 (2018) J.R.Vanhoy, S.H.Liu, S.F.Hicks, B.M.Combs, B.P.Crider, A.J.French, E.A.Garza, T.Harrison, S.L.Henderson, T.J.Howard, M.T.McEllistrem, S.Nigam, R.L.Pecha, E.E.Peters, F.M.Prados-Estevez, A.P.D.Ramirez, B.G.Rice, T.J.Ross, Z.C.Santonil, L.C.Sidwell, J.L.Steves, B.K.Thompson, S.W.Yates 54Fe neutron elastic and inelastic scattering differential cross sections from 2-6 MeV NUCLEAR REACTIONS 54Fe(n, n), (n, n'), E=2-6 MeV; measured En, In(θ); deduced σ(θ); calculated σ(θ) using coupled channels, TALYS, DWBA code ECIS06; deduced increase of DWBA deformation parameter above 4 MeV by about 1/4 using fit to the data.
doi: 10.1016/j.nuclphysa.2018.02.004
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