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NSR database version of April 27, 2024.

Search: Author = M.Buckner

Found 16 matches.

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2020KE05      Phys.Rev. C 102, 034615 (2020)

K.J.Kelly, M.Devlin, J.M.O'Donnell, J.A.Gomez, D.Neudecker, R.C.Haight, T.N.Taddeucci, S.M.Mosby, H.Y.Lee, C.Y.Wu, R.Henderson, P.Talou, T.Kawano, A.E.Lovell, M.C.White, J.L.Ullmann, N.Fotiades, J.Henderson, M.Q.Buckner

Measurement of the ²³⁹Pu(n, f) prompt fission neutron spectrum from 10 keV to 10 MeV induced by neutrons of energy 1-20 MeV

NUCLEAR REACTIONS ²³⁹Pu(n, F), E=1-20 MeV; measured outgoing prompt fission neutron spectrum (PFNS) in the range of E(n)=0.01-10 MeV, I(n) using Li-glass detector array and 54-detector EJ-309 liquid scintillator array in Chi-Nu experiment at the WNR-LANSCE-Los Alamos facility; deduced correlation matrix for PFNS from the Li-glass and the liquid scintillator. Comparison of present PFNS results with previous experimental results, and with evaluated data in ENDF/B-VIII.0 and JEFF-3.3 libraries.

doi: 10.1103/PhysRevC.102.034615
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Data from this article have been entered in the EXFOR database. For more information, access X4 dataset14682.

2019KE04      Phys.Rev.Lett. 122, 072503 (2019)

K.J.Kelly, T.Kawano, J.M.O'Donnell, J.A.Gomez, M.Devlin, D.Neudecker, P.Talou, A.E.Lovell, M.C.White, R.C.Haight, T.N.Taddeucci, S.M.Mosby, H.Y.Lee, C.Y.Wu, R.Henderson, J.Henderson, M.Q.Buckner

Preequilibrium Asymmetries in the ²³⁹Pu(n, f) Prompt Fission Neutron Spectrum

NUCLEAR REACTIONS ²³⁹Pu(n, F), E=15-17.5 MeV; measured reaction products, En, In; deduced neutron excess of the preequilibrium prefission distribution above the postfission neutron spectrum. Comparison with theoretical calculations.

doi: 10.1103/PhysRevLett.122.072503
Citations: PlumX Metrics

2019RU02      Phys.Rev. C 99, 051301 (2019)

P.Ruotsalainen, J.Henderson, G.Hackman, G.H.Sargsyan, K.D.Launey, A.Saxena, P.C.Srivastava, S.R.Stroberg, T.Grahn, J.Pakarinen, G.C.Ball, R.Julin, P.T.Greenlees, J.Smallcombe, C.Andreoiu, N.Bernier, M.Bowry, M.Buckner, R.Caballero-Folch, A.Chester, S.Cruz, L.J.Evitts, R.Frederick, A.B.Garnsworthy, M.Holl, A.Kurkjian, D.Kisliuk, K.G.Leach, E.McGee, J.Measures, D.Mucher, J.Park, F.Sarazin, J.K.Smith, D.Southall, K.Starosta, C.E.Svensson, K.Whitmore, M.Williams, C.Y.Wu

Isospin symmetry in B(E2) values: Coulomb excitation study of ²¹Mg

NUCLEAR REACTIONS ¹⁹⁶Pt(²¹Mg, ²¹Mg'), E=95 MeV; ¹¹⁰Pd(²¹Mg, ²¹Mg'), E=67 MeV; measured Eγ, Iγ, (particle)γ-coin, Coulomb excitation yields, half-life of the 1/2+ state in ²¹Mg using BAMBINO array for particle detection, and TIGRESS array for γ rays from Coulomb excited ²¹Mg states at TRIUMF-ISAC-II facility. ²¹Mg; deduced levels, J, π, Coulomb-excitation yields, E2 matrix elements, B(E2). GOSIA least-squares fit analysis. Systematics of 5/2+ to 1/2+ B(E2) values in T=-3/2 and +3/2 mirror nuclei: ²¹Mg, ²¹Fl; ²⁵Si, ²⁵Na; ²⁹S, ²⁹Al; ³³Ar, ³³P; ³⁷Ca, ³⁷Cl. Comparison with shell-model calculations with isospin conserving and breaking USD interactions, and using modern ab initio approach.

doi: 10.1103/PhysRevC.99.051301
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Data from this article have been entered in the XUNDL database. For more information, click here.

2018CH34      Phys.Lett. B 782, 652 (2018)

A.Chyzh, P.Jaffke, C.Y.Wu, R.A.Henderson, P.Talou, I.Stetcu, J.Henderson, M.Q.Buckner, S.A.Sheets, R.Hughes, B.Wang, J.L.Ullmann, S.Mosby, T.A.Bredeweg, A.C.Hayes-Sterbenz, J.M.O'Donnell

Dependence of the prompt fission γ-ray spectrum on the entrance channel of compound nucleus: Spontaneous vs. neutron-induced fission

RADIOACTIVITY ^240,242Pu(SF); measured decay products, Eγ, Iγ; deduced prompt γ-ray spectra.

NUCLEAR REACTIONS ^239,241Pu(n, F), E ∼ 100 keV; measured reaction products, Eγ, Iγ; deduced prompt fission γ-ray energy spectra. Comparison with Monte Carlo Hauser-Feshbach statistical model for the neutron-induced fission.

doi: 10.1016/j.physletb.2018.06.006
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2018DE08      Nucl.Data Sheets 148, 322 (2018)

M.Devlin, J.A.Gomez, K.J.Kelly, R.C.Haight, J.M.O'Donnell, T.N.Taddeucci, H.Y.Lee, S.M.Mosby, B.A.Perdue, N.Fotiades, J.L.Ullmann, C.Y.Wu, B.Bucher, M.Q.Buckner, R.A.Henderson, D.Neudecker, M.C.White, P.Talou, M.E.Rising, C.J.Solomon

The Prompt Fission Neutron Spectrum of ²³⁵U(n, f) below 2.5 MeV for Incident Neutrons from 0.7 to 20 MeV

NUCLEAR REACTIONS ²³⁵U(n, F), E=0.7-20 MeV; measured reaction products, En, In, TOF; deduced prompt fission neutron spectrum, σ(E).

doi: 10.1016/j.nds.2018.02.008
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2017BO23      Phys.Lett. B 775, 271 (2017)

S.Bottoni, S.Zhu, R.V.F.Janssens, M.P.Carpenter, Y.Tsunoda, T.Otsuka, A.O.Macchiavelli, D.Cline, C.Y.Wu, A.D.Ayangeakaa, B.Bucher, M.Q.Buckner, C.M.Campbell, C.J.Chiara, H.L.Crawford, M.Cromaz, H.M.David, P.Fallon, A.Gade, J.P.Greene, J.Harker, A.B.Hayes, C.R.Hoffman, B.P.Kay, A.Korichi, T.Lauritsen, J.Sethi, D.Seweryniak, W.B.Walters, D.Weisshaar, A.Wiens

Nucleon correlations and the structure of ⁷¹₃₀Zn₄₁

NUCLEAR REACTIONS ⁷⁰Zn(⁴⁸Ca, ⁴⁷Ca)⁷¹Zn, E=170 MeV; ¹⁹⁷Au(⁷⁰Zn, X)⁷¹Zn, E=430 MeV; measured reaction products, Eγ, Iγ; deduced γ-ray energies, decay scheme, J, π, modest oblate deformation. Comparison with Monte-Carlo shell-model calculations.

doi: 10.1016/j.physletb.2017.11.003
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Data from this article have been entered in the XUNDL database. For more information, click here.

2017BU04      Phys.Rev. C 95, 024610 (2017)

M.Q.Buckner, C.Y.Wu, R.A.Henderson, B.Bucher, N.Wimer, A.Chyzh, T.A.Bredeweg, B.Baramsai, A.Couture, M.Jandel, S.Mosby, J.L.Ullmann

Measurement of the ^242mAm neutron-induced reaction cross sections

NUCLEAR REACTIONS ^242mAm(n, γ), (n, F), E=0.023-0.98 eV; measured Eγ, Iγ, σ(E) for both reactions using DANCE array of 160 BaF2 crystals at LANSCE-LLNL facility. Comparison with previous experimental data.

doi: 10.1103/PhysRevC.95.024610
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Data from this article have been entered in the EXFOR database. For more information, access X4 dataset14471.

2017BU07      Phys.Rev.Lett. 118, 152504 (2017)

B.Bucher, S.Zhu, C.Y.Wu, R.V.F.Janssens, R.N.Bernard, L.M.Robledo, T.R.Rodriguez, D.Cline, A.B.Hayes, A.D.Ayangeakaa, M.Q.Buckner, C.M.Campbell, M.P.Carpenter, J.A.Clark, H.L.Crawford, H.M.David, C.Dickerson, J.Harker, C.R.Hoffman, B.P.Kay, F.G.Kondev, T.Lauritsen, A.O.Macchiavelli, R.C.Pardo, G.Savard, D.Seweryniak, R.Vondrasek

Direct Evidence for Octupole Deformation in ¹⁴⁶Ba and the Origin of Large E1 Moment Variations in Reflection-Asymmetric Nuclei

NUCLEAR REACTIONS ²⁰⁸Pb(¹⁴⁶Ba, ¹⁴⁶Ba'), E=659 MeV; measured reaction products, Eγ, Iγ. ^144,146,148Ba; deduced energy levels, J, π, B(Eλ), quadrupole and octupole deformation parameters. Calculated HFB potential energy surfaces, neutron single-particle energies. Coulomb excitation, comparison with available data.

doi: 10.1103/PhysRevLett.118.152504
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Data from this article have been entered in the XUNDL database. For more information, click here.

2017BU10      Phys.Rev. C 95, 061602 (2017)

M.Q.Buckner, C.Y.Wu, R.A.Henderson, B.Bucher, N.Wimer, A.Chyzh, T.A.Bredeweg, B.Baramsai, A.Couture, M.Jandel, S.Mosby, J.L.Ullmann

Comprehensive ^242mAm neutron-induced reaction cross sections and resonance parameters

NUCLEAR REACTIONS ^242mAm(n, γ), (n, F), E=0.1 eV to 1 MeV; measured Eγ, Iγ, neutron capture and neutron-induced fission σ(E) using DANCE array of 160 equal-volume BaF2 crystals at the LANSCE-LLNL Lujan Neutron Scattering Center; deduced neutron-induced resonance energies, Γ_γ, Γ_n, and Γ_f of 106 resonances with energies between 0.15 and 45 eV by analyzing spectra using the R-matrix code SAMMY. Comparison with previous experimental data, and with evaluated data in ENDF/B-VII.1.

doi: 10.1103/PhysRevC.95.061602
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 dataset14471.

2016BU09      Phys.Rev. C 93, 044613 (2016)

M.Q.Buckner, C.Y.Wu, R.A.Henderson, B.Bucher, A.Chyzh, T.A.Bredeweg, B.Baramsai, A.Couture, M.Jandel, S.Mosby, J.M.O'Donnell, J.L.Ullmann

Absolute measurement of the ²⁴²Pu neutron-capture cross section

NUCLEAR REACTIONS ²⁴²Pu(n, γ), E=thermal-several hundred keV; measured Eγ, Iγ, summed γ-ray energy versus cluster multiplicity using LANSC-DANCE at LLNL facility, absolute σ(E) from thermal to ≈40 keV neutrons; deduced energies, Γ_γ and Γ_n of neutron resonances from 2.662 eV to 495.0 eV. Comparison with literature and evaluated data in ENDF/B-VII.1.

doi: 10.1103/PhysRevC.93.044613
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Data from this article have been entered in the EXFOR database. For more information, access X4 dataset14456.

2016DA05      Phys.Rev. C 94, 025803 (2016)

S.Daigle, K.J.Kelly, A.E.Champagne, M.Q.Buckner, C.Iliadis, C.Howard

Measurement of the E^c.m._r = 259 keV resonance in the ¹⁴N(p, g)¹⁵O reaction

NUCLEAR REACTIONS ¹⁴N(p, γ)¹⁵O, E=270-310 keV; measured Eγ, Iγ using an HPGe detector and APEX array of NaI(Tl) detectors at LENA-TUNL facility. ¹⁵O; deduced levels, resonances, γ-ray branching ratios from the decay of the 259-keV proton resonance, resonance strength. Comparison with previous experimental data.

doi: 10.1103/PhysRevC.94.025803
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC2238. Data from this article have been entered in the XUNDL database. For more information, click here.

2016DE36      Nucl.Instrum.Methods Phys.Res. 830, 427 (2016)

J.R.Dermigny, C.Iliadis, M.Q.Buckner, K.J.Kelly

γ-Ray spectroscopy using a binned likelihood approach

NUCLEAR REACTIONS ¹⁸O, ²⁵Mg(p, γ), E not given; measured reaction products, Eγ, Iγ; deduced a novel data-analysis method for γ-ray spectroscopy, resonance parameters. Comparison with Monte Carlo calculations.

doi: 10.1016/j.nima.2016.06.017
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Data from this article have been entered in the XUNDL database. For more information, click here.

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
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC2155. Data from this article have been entered in the XUNDL database. For more information, click here.

2015KE05      Phys.Rev. C 92, 035805 (2015)

K.J.Kelly, A.E.Champagne, R.Longland, M.Q.Buckner

New recommended wγ for the E^c.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
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Data from this article have been entered in the XUNDL database. For more information, click here.

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 E^r_c.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
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC2076.

2012BU16      Phys.Rev. C 86, 065804 (2012)

M.Q.Buckner, C.Iliadis, J.M.Cesaratto, C.Howard, T.B.Clegg, A.E.Champagne, S.Daigle

Thermonuclear reaction rate of ¹⁸O(p, γ)¹⁹F

NUCLEAR REACTIONS ¹⁸O(p, γ)¹⁹F, E=95 keV; measured Eγ, Iγ, γγ-coin; deduced resonance strength, direct capture S factor using LENA facility. Improved thermonuclear reaction rates.

doi: 10.1103/PhysRevC.86.065804
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1964. Data from this article have been entered in the XUNDL database. For more information, click here.

Note: The following list of authors and aliases matches the search parameter M.Buckner: , M.Q.BUCKNER