NSR Query Results
Output year order : Descending NSR database version of April 11, 2024. Search: Author = R.Longland Found 43 matches. 2024FO01 Phys.Rev.Lett. 132, 062701 (2024) W.Fox, R.Longland, C.Marshall, F.P.Chaves High Resolution Study of 40Ca to Constrain Potassium Nucleosynthesis in NGC 2419 NUCLEAR REACTIONS 39K(3He, d)40Ca, E=21 MeV; measured reaction products; deduced σ(θ), energies, J, π, spectroscopic factors, and proton partial widths, resonance parameters. Comparison with ENSDF library. The 10 MV FN tandem Van de Graaff accelerator, the Enge Split-Pole Spectrograph at the Triangle Universities Nuclear Laboratory (TUNL).
doi: 10.1103/PhysRevLett.132.062701
2023CO08 Nucl.Instrum.Methods Phys.Res. A1056, 168654 (2023) A.L.Cooper, S.Hunt, L.Downen, K.Setoodehnia, F.Portillo, C.Marshall, T.B.Clegg, A.E.Champagne, R.Longland Correlated characterization of 20Ne-implanted targets using nuclear reaction analysis, Rutherford backscattering spectrometry, and ion transport modeling NUCLEAR REACTIONS 20Ne(p, γ), E=1169 keV; 20Ne(α, α), E=2 MeV; measured reaction products, Eγ, Iγ; deduced resonance parameters, yields. The model FN tandem Van de Graaff accelerator at TUNL.
doi: 10.1016/j.nima.2023.168654
2023CO09 Nucl.Instrum.Methods Phys.Res. A1056, 168648 (2023) A.L.Cooper, S.Hunt, L.Downen, K.Setoodehnia, F.Portillo, C.Marshall, T.B.Clegg, A.E.Champagne, R.Longland 252Cf yield calibration method for nuclear material accountancy and safeguards practitioners RADIOACTIVITY 252Cf(SF); measured decay products, En, In; deduced neutron yields using passive neutron correlation counting (PNCC). The neutron source used in this evaluation was previously certified by the National Institutes of Science and Technology (NIST), which provides a reference for the accuracy of the PNCC method.
doi: 10.1016/j.nima.2023.168648
2023MA18 Phys.Rev. C 107, 035806 (2023) C.Marshall, K.Setoodehnia, G.C.Cinquegrana, J.H.Kelly, F.Portillo Chaves, A.Karakas, R.Longland New constraints on sodium production in globular clusters from the 23Na(3He, d)24Mg reaction NUCLEAR REACTIONS 23Na(3He, d)24Mg, 23Na(3He, 3He), E=21 MeV; measured reaction products, angular distribution; deduced yields, resonances, resonance widths. 24Mg; deduced levels, spectroscopic factors, proton decay partial width for excited states. 23Na(p, γ), (p, α), T=0.01-0.5 GK; calculated reaction rate using data obtained in current work on the excited states of 24Mg. Bayesian method combined with the distorted wave Born approximation to assign statistically meaningful uncertainties to deduced values. Relevance to NeNa cycle and star-to-star anticorrelation of sodium and oxygen. Split-pole spectrograph (SPS) at 10 MV TUNL FN tandem accelerator.
doi: 10.1103/PhysRevC.107.035806
2023PO03 Phys.Rev. C 107, 035809 (2023) F.Portillo, R.Longland, A.L.Cooper, S.Hunt, A.M.Laird, C.Marshall, K.Setoodehnia Spin-parities of subthreshold resonances in the 18F(p, α)15O reaction NUCLEAR REACTIONS 20Ne(3He, α)19Ne, E=21 MeV; measured reaction products, Eα, Iα, α(θ); deduced exclusive σ(θ) for excited states of 19Ne, resonances, resonance widths. 19Ne; deduced levels, J, π. 18F(p, α)15O, E<1900 keV; deduced astrophysical S factor using obtained information on 19Ne excited states corresponding to 18F+p resonances, reaction rates. R-matrix analysis. Comparison to other experimental data. Enge split-pole magnetic spectrograph at 10 MV FN Tandem Van de Graaff accelerator (TUNL).
doi: 10.1103/PhysRevC.107.035809
2022HA03 Phys.Rev. C 105, 015805 (2022) D.S.Harrouz, N.de Sereville, P.Adsley, F.Hammache, R.Longland, B.Bastin, T.Faestermann, R.Hertenberger, M.La Cognata, L.Lamia, A.Meyer, S.Palmerini, R.G.Pizzone, S.Romano, A.Tumino, H.-F.Wirth Experimental study of the 30Si(3He, d)31P reaction and thermonuclear reaction rate of 30Si(p, γ)31P NUCLEAR REACTIONS 30Si(3He, d)31P, E=25 MeV beam from the Tandem Van de Graaff accelerator at MLL-Garching; measured E(d), I(d), σ(θ), deuterons momentum analyzed using a Q3D magnetic spectrometer, and detected in the focal plane of proportional counters. 31P; deduced levels, J, π, L-transfers, spectroscopic factors, single-particle widths, DWBA analysis of angular distribution data. 30Si(p, γ)31P, T9=0.010-10.0; deduced proton resonance energies, Γp, resonance strengths, astrophysical reaction rates. Comparison with previous experimental results and evaluated data for 31P structure, and with available data for proton resonances.
doi: 10.1103/PhysRevC.105.015805
2022PS02 Phys.Rev.Lett. 129, 162701 (2022) A.Psaltis, A.A.Chen, R.Longland, D.S.Connolly, C.R.Brune, B.Davids, J.Fallis, R.Giri, U.Greife, D.A.Hutcheon, L.Kroll, A.Lennarz, J.Liang, M.Lovely, M.Luo, C.Marshall, S.N.Paneru, A.Parikh, C.Ruiz, A.C.Shotter, M.Williams Direct Measurement of Resonances in 7Be(α, γ)11C Relevant to νp-Process Nucleosynthesis NUCLEAR REACTIONS 4He(7Be, γ)11C, E not given; measured reaction products, Eγ, Iγ; deduced resonance energies and strengths, thermonuclear reaction rates. Comparison with available data. DRAGON recoil separator, TRIUMF.
doi: 10.1103/PhysRevLett.129.162701
2022PS03 Phys.Rev. C 106, 045805 (2022) A.Psaltis, A.A.Chen, R.Longland, D.S.Connolly, C.R.Brune, B.Davids, J.Fallis, R.Giri, U.Greife, D.A.Hutcheon, L.Kroll, A.Lennarz, J.Liang, M.Lovely, M.Luo, C.Marshall, S.N.Paneru, A.Parikh, C.Ruiz, A.C.Shotter, M.Williams First inverse kinematics measurement of resonances in 7Be(α, γ)11C relevant to neutrino-driven wind nucleosynthesis using DRAGON NUCLEAR REACTIONS 4He(7Be, γ), E=351-464 keV/nucleon; measured reaction products, Eγ, Iγ, γ-sum, (particle)γ-coin; deduced 1110-, 1115- and 876-keV resonances strength, thermonuclear reaction rate (T=0.1-10 GK), astrophysical S-factor. Discussed the impact of newly determined rates on studies of nucleosynthesis in neutrino-driven winds. Helium-filled windowless gas target surrounded by γ-ray array of 30 BGO scintillator crystals at DRAGON recoil separator (TRIUMF).
doi: 10.1103/PhysRevC.106.045805
2021MA61 Phys.Rev. C 104, L032801 (2021) C.Marshall, K.Setoodehnia, F.Portillo, J.H.Kelley, R.Longland New energy for the 133-keV resonance in the 23Na(p, γ)24Mg reaction and its impact on nucleosynthesis in globular clusters NUCLEAR REACTIONS 23Na(3He, d)24Mg, E=21 MeV; measured E(d), I(d), σ(θ) using Enge split-pole spectrograph and a focal plane detector at the TUNL Tandem accelerator laboratory. 24Mg; deduced levels, resonances, excitation energy for a key proton resonance of 133-keV. 23Na(p, γ)24Mg, T9=0.01-0.5; deduced astrophysical reaction rates using the energy of the 133 keV resonance determined in the present work and the RatesMC Monte Carlo reaction rate code, median drop of 50% in the predicted 23Na abundance and corresponding increase by a factor of 2.5 in the 24Mg abundance using the present reaction rates, impact of 133-keV resonance on nucleosynthesis during hydrogen burning.
doi: 10.1103/PhysRevC.104.L032801
2020DE26 Phys.Rev. C 102, 014609 (2020) J.Dermigny, C.Iliadis, A.Champagne, R.Longland Thermonuclear reaction rate of 30Si (p, γ) 31P NUCLEAR REACTIONS 30Si(p, γ)31P, E=434.6, 501.1, 621.7 keV; measured Eγ, Iγ, γγ-coin using JN Van de Graaff electrostatic accelerator at LENA-TUNL facility; deduced γ-ray branching ratios for primary γ rays from the resonance states from singles and coincidence data, resonance strength, thermonuclear reaction rates in the T=0.01-10 GK range. Comparison with previous experimental results. Relevance to Mg-K anticorrelation observed in the globular cluster NGC 2419.
doi: 10.1103/PhysRevC.102.014609
2020HA09 Eur.Phys.J. A 56, 36 (2020) C.B.Hamill, P.J.Woods, D.Kahl, R.Longland, J.P.Greene, C.Marshall, F.Portillo, K.Setoodehnia Study of the 25Mg(d, p)26Mg reaction to constrain the 25Al(p, γ)26Si resonant reaction rates in nova burning conditions
doi: 10.1140/epja/s10050-020-00052-9
2020MA36 Phys.Rev. C 102, 024609 (2020) C.Marshall, P.Morfouace, N.de Sereville, R.Longland Bayesian analysis of the 70Zn(d, 3He) 69Cu transfer reaction NUCLEAR REACTIONS 70Zn(d, 3He)69Cu, E=27.0 MeV; analyzed previous experimental data using Bayesian methods. 69Cu; deduced levels, L-transfers, J, π, and spectroscopic factors. Zero-range DWBA analysis of σ(θ) data using Markov chain Monte Carlo to quantify optical model uncertainties, with nested sampling to assign probabilities to ambiguous L-transfers.
doi: 10.1103/PhysRevC.102.024609
2020ME09 Phys.Rev. C 102, 035803 (2020) A.Meyer, N.de Sereville, A.M.Laird, F.Hammache, R.Longland, T.Lawson, M.Pignatari, L.Audouin, D.Beaumel, S.Fortier, J.Kiener, A.Lefebvre-Schuhl, M.G.Pellegriti, M.Stanoiu, V.Tatischeff Evaluation of the 13N(α, p)16O thermonuclear reaction rate and its impact on the isotopic composition of supernova grains NUCLEAR REACTIONS 13C(7Li, t)17O*, E=34 MeV; measured E(t), I(t), σ(θ) using Enge Split-Pole magnetic spectrometer at the Tandem-ALTO facility in Orsay. 17O; deduced levels, resonances, J, π, L-transfers from analysis of angular distributions with finite-range distorted wave Born approximation (DWBA) calculations, Γα, α-spectroscopic factors, and compared with previous experimental data, and evaluated data in the ENSDF database. 17O, 17F; comparison of levels resonances, spin-parities, and resonance parameters in mirror nuclei. 13N(α, p)16O, E(cm)=0.05-3.0 MeV; deduced astrophysical S-factor by R-matrix calculations using AZURE2 code, Monte-Carlo reaction rates from 0.01-10 GK, isotopic abundances in the He-shell ejecta of a supernova model, production factors of stable isotopes, in the mass region between 12C and 50V.
doi: 10.1103/PhysRevC.102.035803
2020RI06 Phys.Rev. C 102, 025801 (2020) W.A.Richter, B.A.Brown, R.Longland, C.Wrede, P.Denissenkov, C.Fry, F.Herwig, D.Kurtulgil, M.Pignatari, R.Reifarth Shell-model studies of the astrophysical rp-process reactions 34S(p, γ)35Cl and 34g, mCl(p, γ)35Ar NUCLEAR REACTIONS 34S(3He, d)35Cl, E=20 MeV; calculated spectroscopic factors for levels in 35Cl up to 7.4 MeV using shell model, and compared with experimental values. 34S(p, γ)35Cl, 34,34mCl(p, γ)35Ar, E not given; calculated levels, resonances, J, π, spectroscopic factors, Γp, Γγ, resonance strengths, thermonuclear reaction rates; discussed impact on predicted 34S/32S isotopic ratio for presolar nova grains. Comparison with experimental data. Shell-model approach, with uncertainties estimated using a Monte Carlo method.
doi: 10.1103/PhysRevC.102.025801
2019SE09 Phys.Rev. C 99, 055812 (2019) K.Setoodehnia, J.H.Kelley, C.Marshall, F.Portillo Chaves, R.Longland Experimental study of 35Cl excited states via 32S(α, p) NUCLEAR REACTIONS 32S(α, p), (α, α), E=21 MeV; measured Ep, Ip, Eα, Iα, and differential σ(θ) using Enge split-pole magnetic spectrograph at the 10-MV FN tandem Van de Graaff accelerator facility at TUNL. 35Cl; deduced levels, J, π. 34S(p, γ), at T=0.010-10.0 GK; deduced astrophysical reaction rate. DWBA analysis of σ(θ) data using FRESCO code. Comparison with previous experimental results, and evaluated data in the ENSDF database. 28Si(α, p)31P, E=21 MeV; measured Ep, Ip; deduced levels; used for spectral calibration.
doi: 10.1103/PhysRevC.99.055812
2018LO17 Phys.Rev. C 98, 025802 (2018) R.Longland, J.Dermigny, C.Marshall Reaction rates for the 39K (p, γ) 40Ca reaction NUCLEAR REACTIONS 39K(p, γ)40Ca; 39K(p, α)36Ar; analyzed, compiled and evaluated data for energies and strengths of proton- and α-resonances. 39K(p, γ)40Ca, T9=0.010-10.0; deduced astrophysical reaction rates corresponding to the 16th, 50th, and 84th percentiles of the Monte Carlo probability density distributions.Discussed Mg-K anticorrelation in the globular cluster NGC 2419.
doi: 10.1103/PhysRevC.98.025802
2018SE20 Phys.Rev. C 98, 055804 (2018) K.Setoodehnia, C.Marshall, J.H.Kelley, J.Liang, F.Portillo Chaves, R.Longland Excited states of 39Ca and their significance in nova nucleosynthesis NUCLEAR REACTIONS 40Ca(3He, α), E=21 MeV; measured Eα, Iα, σ(θ), using Enge split-pole magnetic spectrograph at the 10-MV FN tandem Van de Graaff accelerator of TUNL facility. DWBA analysis of σ(θ) data. 39Ca; deduced levels, J, π, resonances. Comparison with previous experimental data for 39Ca levels from (3He, α), (d, t) and (p, d) reactions, and in ENSDF evaluation. 38K(p, γ), T9=0.1-0.5; calculated contributions of resonances to astrophysical reaction rate in the nova temperature regime.
doi: 10.1103/PhysRevC.98.055804
2015BU02 Phys.Rev. C 91, 015812 (2015) M.Q.Buckner, C.Iliadis, K.J.Kelly, L.N.Downen, A.E.Champagne, J.M.Cesaratto, C.Howard, R.Longland High-intensity-beam study of 17O(p, γ)18F and thermonuclear reaction rates for 17O + p NUCLEAR REACTIONS 17O(p, γ), E=170-530 keV; measured Eγ, Iγ, γγ-coin at LENA-TUNL facility. 18F; deduced levels, J, π, resonances, γ branching ratios from resonance capture, and from direct capture as function of E(p), resonance strengths, total S(E) factors. 17O(p, γ), (p, α); deduced thermonuclear reaction rates. Comparison with previous results.
doi: 10.1103/PhysRevC.91.015812
2015KE05 Phys.Rev. C 92, 035805 (2015) K.J.Kelly, A.E.Champagne, R.Longland, M.Q.Buckner New recommended wγ for the Ec.m.r = 458 keV resonance in 22Ne(p, γ)23Na NUCLEAR REACTIONS 22Ne(p, γ)23Na, E=494 keV; measured Eγ, Iγ, yields from the 458-keV resonance at LENA-TUNL; deduced γ-branching ratios for the primary transitions from the resonance, and resonance strength. Validation of the technique and comparison with previous experimental results.
doi: 10.1103/PhysRevC.92.035805
2014MO39 Phys.Rev. C 90, 065806 (2014) Thermonuclear reaction rate of 18Ne(α, p)21Na from Monte Carlo calculations NUCLEAR REACTIONS 18Ne(α, p), E=1-3 MeV; analyzed resonance strengths for α resonances in 22Mg from 40 keV to 5 MeV, astrophysical S(E) factor; deduced reaction rates for T9=0.1-3.0 using Monte Carlo method. Comparison with previous reaction rates.
doi: 10.1103/PhysRevC.90.065806
2013CE04 Phys.Rev. C 88, 065806 (2013) J.M.Cesaratto, A.E.Champagne, M.Q.Buckner, T.B.Clegg, S.Daigle, C.Howard, C.Iliadis, R.Longland, J.R.Newton, B.M.Oginni Measurement of the Erc.m.=138 keV resonance in the 23Na(p, γ)24Mg reaction and the abundance of sodium in AGB stars NUCLEAR REACTIONS 23Na(p, γ)24Mg, E<500 keV; measured Eγ, Iγ, on resonance γγ-coin spectra using ECRIS ion source at LENA-TUNL accelerator facility; deduced upper limit on the strength of the 138-keV proton resonance, probability density of the final 23Na abundance, (p, α)/(p, γ) reaction rate ratio, correlations between the final abundance of 23Na in AGB stars and the rate-variation factor. 23Na(p, α)20Ne, E at T9=0.010-10.0; deduced reaction rates for 138-keV resonance. Performed one-zone post-processing nucleosynthesis calculations.
doi: 10.1103/PhysRevC.88.065806
2013IR02 Phys.Rev. C 88, 055803 (2013) D.Irvine, A.A.Chen, A.Parikh, K.Setoodehnia, T.Faestermann, R.Hertenberger, H.-F.Wirth, V.Bildstein, S.Bishop, J.A.Clark, C.M.Deibel, J.Hendriks, C.Herlitzius, R.Krucken, W.N.Lennard, O.Lepyoshkina, R.Longland, G.Rugel, D.Seiler, K.Straub, C.Wrede Evidence for the existence of the astrophysically important 6.40-MeV state of 31S NUCLEAR REACTIONS 32S(d, t), E=24 MeV; measured E(t), I(t), σ(θ), using Q3D spectrograph at MLL-Garching facility. 31S; deduced levels, J, π, 31S and 31P mirror assignments. 30P(p, γ)31S; discussed impact on thermonuclear reaction rate in explosive hydrogen burning in classical novae. Comparison of 31S level structure with previous experimental results and evaluated data.
doi: 10.1103/PhysRevC.88.055803
2013LA01 Phys.Rev.Lett. 110, 032502 (2013) A.M.Laird, A.Parikh, A.St.J.Murphy, K.Wimmer, A.A.Chen, C.M.Deibel, T.Faestermann, S.P.Fox, B.R.Fulton, R.Hertenberger, D.Irvine, J.Jose, R.Longland, D.J.Mountford, B.Sambrook, D.Seiler, H.-F.Wirth Is γ-Ray Emission from Novae Affected by Interference Effects in the 18F(p, α)15O Reaction? NUCLEAR REACTIONS 19F(3He, t), E=25 MeV; measured reaction products. 19Ne; deduced energy levels, J, π, σ(θ), resonance parameters, total reaction rate. Comparison with available data, DWBA calculations.
doi: 10.1103/PhysRevLett.110.032502
2013PO05 Phys.Rev. C 88, 015808 (2013) I.Pogrebnyak, C.Howard, C.Iliadis, R.Longland, G.E.Mitchell Mean proton and α-particle reduced widths of the Porter-Thomas distribution and astrophysical applications NUCLEAR REACTIONS 27Al, 31P, 35Cl, 39K(p, α); 33S, 35Cl, 39K, 42Ca, 44Ca, 46Ti, 48Ti, 50Cr, 52Cr, 54Cr, 54Fe, 56Fe, 60Ni, 64Zn, 66Zn(p, p); analyzed previous experimental resonance data collected at TUNL facility. 28Si, 32S, 34Cl, 36Ar, 40Ca, 43,45Sc, 47,49V, 51,53,55Mn, 55,57Co, 61Cu, 65Ge, 67Ga; deduced mean reduced proton width and α widths. Porter-Thomas distributions. 40Ti(α, γ)44Ti; deduced thermonuclear reaction rates based on mean reduced α widths. Impact on 44Ti abundance in core-collapse novae.
doi: 10.1103/PhysRevC.88.015808
2013SE08 Phys.Rev. C 87, 065801 (2013) K.Setoodehnia, A.A.Chen, D.Kahl, T.Komatsubara, J.Jose, R.Longland, Y.Abe, D.N.Binh, J.Chen, S.Cherubini, J.A.Clark, C.M.Deibel, S.Fukuoka, T.Hashimoto, T.Hayakawa, J.Hendriks, Y.Ishibashi, Y.Ito, S.Kubono, W.N.Lennard, T.Moriguchi, D.Nagae, R.Nishikiori, T.Niwa, A.Ozawa, P.D.Parker, D.Seiler, T.Shizuma, H.Suzuki, C.Wrede, H.Yamaguchi, T.Yuasa Nuclear structure of 30S and its implications for nucleosynthesis in classical novae NUCLEAR REACTIONS 32S(p, t), E=34.5 MeV; measured triton spectra, σ(θ) using Enge split-pole magnetic spectrograph at WNSL, Yale facility. 28Si(3He, n), E=9 MeV; measured Eγ, Iγ, γγ-coin, γ(θ), γγ(θ)(DCO) at UTTAC facility. 30S; deduced levels, resonances, J, π, multipolarity, σ/J, mixing ratio, branching ratios, proton and gamma widths, resonance strengths. DWBA and coupled reaction channel analyses of σ(θ) data in (p, t). 29P(p, γ)30S, at T=0.01-1.5 GK; deduced astrophysical reaction rates, nova isotopic abundances of Si to Ca mass region isotopes using 1D hydrodynamic model.
doi: 10.1103/PhysRevC.87.065801
2012LO07 Phys.Rev. C 85, 065809 (2012) R.Longland, C.Iliadis, A.I.Karakas Reaction rates for the s-process neutron source 22Ne + α NUCLEAR REACTIONS 22Ne(α, n)25Mg, 22Ne(α, γ)26Mg, E=830-2040 keV; analyzed resonance strengths, resonance energies, spectroscopic factors, partial widths; deduced astrophysical reactions rates, reaction rate probability densities, nucleosynthesis uncertainties; calculated element abundances. Monte Carlo sampling. Relevance to s-process nucleosynthesis in massive and AGB stars.
doi: 10.1103/PhysRevC.85.065809
2012LO11 J.Phys.:Conf.Ser. 337, 012047 (2012) Current Status of the 22Ne+α s-Process Neutron Source NUCLEAR REACTIONS 22Ne(α, γ), (α, n), E≈10 keV-1 MeV; re-analyzed, evaluated reaction rates; calculated isotopic abundances vs mass.
doi: 10.1088/1742-6596/337/1/012047
2011PA14 Phys.Rev. C 83, 045806 (2011) A.Parikh, K.Wimmer, T.Faestermann, R.Hertenberger, J.Jose, R.Longland, H.-F.Wirth, V.Bildstein, S.Bishop, A.A.Chen, J.A.Clark, C.M.Deibel, C.Herlitzius, R.Krucken, D.Seiler, K.Straub, C.Wrede Improving the 30P(p, γ )31S rate in oxygen-neon novae: Constraints on Jπ values for proton-threshold states in 31S NUCLEAR REACTIONS 31P(3He, t), E=25 MeV; measured E(t), I(t), σ(θ). 31S; deduced levels, J, π. 30P(p, γ)31S; deduced astrophysical reaction rates. Finite-range DWBA analysis. Comparison with previous experimental reaction rates and Hauser-Feshbach statistical model estimates.
doi: 10.1103/PhysRevC.83.045806
2010DE29 Phys.Rev. C 82, 025802 (2010) R.J.de Boer, M.Wiescher, J.Gorres, R.Longland, C.Iliadis, G.Rusev, A.P.Tonchev Photoexcitation of astrophysically important states in 26Mg. II. Ground-state-transition partial widths NUCLEAR REACTIONS 26Mg(γ, γ'), E=10.5-11.7 MeV; measured Eγ, Iγ; deduced levels, J, π, resonances, branching ratios, total widths, partial widths. GEANT4 Monte-Carlo simulation of γ-ray spectra. Relevance to predictions of neutron production for the s-process in nucleosynthesis.
doi: 10.1103/PhysRevC.82.025802
2010IL04 Nucl.Phys. A841, 31 (2010) C.Iliadis, R.Longland, A.E.Champagne, A.Coc, R.Fitzgerald Charged-particle thermonuclear reaction rates: II. Tables and graphs of reaction rates and probability density functions NUCLEAR REACTIONS 14C, 16,17,18O, 17,18F, 19,20,21,22Ne, 21,22,23Na, 22,23,24,25,26Mg, 23,24,25,26,27Al, 26,27,28,29,30Si, 27,29,31P, 30,31,32S, 31,32,35Cl, 34,35,36Ar, 35K, 39,40Ca(p, γ), 14C, 14,15N, 15,16,18O, 20,22Ne, 24Mg(α, γ), 17,18O, 18F, 23Na, 27Al, 31P, 35Cl(p, α), 22Ne(α, n), E(cm)≤ 15 MeV; analyzed/evaluated total thermonuclear reaction rates. Tabulations from T=0.01-10 GK given.
doi: 10.1016/j.nuclphysa.2010.04.009
2010IL05 Nucl.Phys. A841, 251 (2010) C.Iliadis, R.Longland, A.E.Champagne, A.Coc Charged-particle thermonuclear reaction rates: III. Nuclear physics input
doi: 10.1016/j.nuclphysa.2010.04.010
2010IL06 Nucl.Phys. A841, 323 (2010) C.Iliadis, R.Longland, A.E.Champagne, A.Coc Charged-particle thermonuclear reaction rates: IV. Comparison to previous work NUCLEAR REACTIONS 14C, 16,17,18O, 17,18F, 19,20,21,22Ne, 21,22,23Na, 22,23,24,25,26Mg, 23,24,25,26,27Al, 26,27,28,29,30Si, 27,29,31P, 30,31,32S, 31,32,35Cl, 34,35,36Ar, 35K, 39,40Ca(p, γ), 14C, 14,15N, 15,16,18O, 20,22Ne, 24Mg(α, γ), 17,18O, 18F, 23Na, 27Al, 31P, 35Cl(p, α), 22Ne(α, n), E(cm)≤ 15 MeV; analyzed/evaluated total thermonuclear reaction rates. Graphical comparison with other data from T=0.01-10 GK.
doi: 10.1016/j.nuclphysa.2010.04.012
2010LO05 Phys.Rev. C 81, 055804 (2010) R.Longland, C.Iliadis, J.M.Cesaratto, A.E.Champagne, S.Daigle, J.R.Newton, R.Fitzgerald Resonance strength in 22Ne(p, γ)23Na from depth profiling in aluminum NUCLEAR REACTIONS 22Ne, 27Al(p, γ), E=400-505 keV; measured Eγ, Iγ, yields and resonance strengths. Comparison with previous data. Relevance to of resonance strengths in the 22Ne(p, γ)23Na hydrogen-burning reaction and in the 22Ne(α, γ) s-process neutron-source reactions.
doi: 10.1103/PhysRevC.81.055804
2010LO11 Nucl.Phys. A841, 1 (2010) R.Longland, C.Iliadis, A.E.Champagne, J.R.Newton, C.Ugalde, A.Coc, R.Fitzgerald Charged-particle thermonuclear reaction rates: I. Monte Carlo method and statistical distributions
doi: 10.1016/j.nuclphysa.2010.04.008
2010NE03 Phys.Rev. C 81, 045801 (2010) J.R.Newton, C.Iliadis, A.E.Champagne, J.M.Cesaratto, S.Daigle, R.Longland Measurement of 17O(p, γ)18F between the narrow resonances at Erlab=193 and 519 keV NUCLEAR REACTIONS 17O(p, γ)18O, E=151, 275, 300, 325, 400, 450, 500, 519 keV; measured Eγ, Iγ; deduced levels, total yields, σ, and total S factors. Compared with previous work.
doi: 10.1103/PhysRevC.81.045801
2009GI04 Phys.Rev. C 80, 015806 (2009) V.Gintautas, A.E.Champagne, F.G.Kondev, R.Longland Thermal equilibration of 176Lu via K mixing NUCLEAR STRUCTURE 176Lu; calculated K-mixing matrix elements and partial half-lives for K-mixed γ transitions; relative population of states in 176Lu as a function of time, effective half-life of 176Lu ground state and equilibration time constant for 176Lu as a function of stellar temperature; evolution of 176Hf/176Lu ratio as a function of time since the start of the neutron burst.
doi: 10.1103/PhysRevC.80.015806
2009LO06 Phys.Rev. C 80, 055803 (2009) R.Longland, C.Iliadis, G.Rusev, A.P.Tonchev, R.J.de Boer, J.Gorres, M.Wiescher Photoexcitation of astrophysically important states in 26Mg NUCLEAR REACTIONS 26Mg(polarized γ, γ'), E=10.8, 11.0, 11.2, 11.4 MeV; measured Eγ, Iγ, and γγ(θ) at TUNL HIγS facility. 26Mg; deduced levels, J, π, and branching ratios. Comparison with Monte Carlo simulations. Implications for the reaction rates for 22Ne(α, γ)26Mg of astrophysical interest.
doi: 10.1103/PhysRevC.80.055803
2008NE10 Phys.Rev. C 78, 025805 (2008) J.R.Newton, R.Longland, C.Iliadis Matching of experimental and statistical-model thermonuclear reaction rates at high temperatures NUCLEAR REACTIONS 20Ne, 24Mg(α, γ), E=0-2000 keV; 21,22Ne, 23Na, 24,25,26Mg, 27Al, 28,29,30Si, 31P, 32S, 35Cl, 36Ar, 40Ca(p, γ), E=thermal; 23Na, 27Al, 31P, 35Cl(p, α), E=thermal; calculated stellar reaction rates.
doi: 10.1103/PhysRevC.78.025805
2007NE08 Phys.Rev. C 75, 055808 (2007) J.R.Newton, C.Iliadis, A.E.Champagne, R.Longland, C.Ugalde Remeasurement of the 193 keV resonance in 17O(p, α)14N NUCLEAR REACTIONS 17O(p, α), E=140-210 keV; measured yields and resonance strength for the 193 keV resonance.
doi: 10.1103/PhysRevC.75.055808
2007UG01 Phys.Rev. C 76, 025802 (2007) C.Ugalde, A.E.Champagne, S.Daigle, C.Iliadis, R.Longland, J.R.Newton, E.Osenbaugh-Stewart, J.A.Clark, C.Deibel, A.Parikh, P.D.Parker, C.Wrede Experimental evidence for a natural parity state in 26Mg and its impact on the production of neutrons for the s process NUCLEAR REACTIONS 22Ne(6Li, d), E=30 MeV; measured deuteron energy spectra. 26Mg deduced level energies.
doi: 10.1103/PhysRevC.76.025802
2005FO03 Phys.Rev. C 71, 055801 (2005) C.Fox, C.Iliadis, A.E.Champagne, R.P.Fitzgerald, R.Longland, J.Newton, J.Pollanen, R.Runkle Thermonuclear reaction rate of 17O(p, γ)18F NUCLEAR REACTIONS 17O(p, γ), E=140-540 keV; measured Eγ, Iγ; deduced resonance parameters, excitation functions, thermonuclear reaction rates.
doi: 10.1103/PhysRevC.71.055801
2005RU04 Phys.Rev.Lett. 94, 082503 (2005) R.C.Runkle, A.E.Champagne, C.Angulo, C.Fox, C.Iliadis, R.Longland, J.Pollanen Direct Measurement of the 14N(p, γ)15O S Factor NUCLEAR REACTIONS 14N(p, γ), E=155-524 keV; measured Eγ, excitation function; deduced S-factor. R-matrix analysis, astrophysical implications discussed.
doi: 10.1103/PhysRevLett.94.082503
2004FO12 Phys.Rev.Lett. 93, 081102 (2004) C.Fox, C.Iliadis, A.E.Champagne, A.Coc, J.Jose, R.Longland, J.Newton, J.Pollanen, R.Runkle Explosive Hydrogen Burning of 17O in Classical Novae NUCLEAR REACTIONS 17O(p, γ), E=180-210 keV; measured reaction products, Eγ, Iγ; deduced γ-ray yields, resonance parameters, reaction rates. 1 MV Van de Graaff accelerator, the Laboratory for Experimental Nuclear Astrophysics, located at the Triangle Universities Nuclear Laboratory
doi: 10.1103/PhysRevLett.93.081102
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