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NSR database version of April 11, 2024.

Search: Author = G.Seymour

Found 9 matches.

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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
Citations: PlumX Metrics

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


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
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC2767. Data from this article have been entered in the XUNDL database. For more information, click here.


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
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC2642.


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
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC2579.


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
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC2511. Data from this article have been entered in the XUNDL database. For more information, click here.


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
Citations: PlumX Metrics

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


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
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC2574.


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 92Mo(p, α)89Nb/89mNb, (p, np)91Mo/91mMo, (p, 2p)91mNb, (p, n)92Tc, (p, γ)93Tc/93mTc, E=10.52, 13.03, 15.07, 16.07, 17.05, 18.07 MeV; 94Mo(p, α)91mNb, (p, np)93mMo, (p, 2n)93Tc/93mTc, (p, n)94Tc/94mTc, E=9.04, 10.06, 11.05, 12.05, 13.04, 14.04, 15.04, 16.06, 17.06, 18.05, 19.06 MeV; 95Mo(p, nα)91mNb, (p, α)92mNb, (p, 2n)94Tc/94mTc, (p, n)95mTc/95mTc, E=10.57, 12.01, 13.02, 4.03, 15.07, 16.03, 17.99, 19.03 MeV; 96Mo(p, nα)92mNb, (p, 2n)95Tc/95mTc, (p, n)96Tc/96mTc, 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; 97Mo(p, 2n)96Tc/96mTc, (p, n)97mTc, E=9.01, 10.05, 10.98, 11.98, 13.02, 14.02, 15.04 MeV; 98Mo(p, α)95Nb/95mNb, (p, 2n)97mTc, (p, γ)99mTc, E=10.06, 11.06, 12.05, 13.06, 14.05, 15.05, 16.06, 17.06, 18.02, 19.05 MeV; 100Mo(p, nα)96Nb, (p, α)97Nb/97mNb, (p, np)99Mo, (p, 2n)99mTc, (p, γ)101Tc, 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
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC2413.


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
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC2408.


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