NSR Query Results
Output year order : Descending NSR database version of April 27, 2024. Search: Author = J.J.Simpson Found 44 matches. 2004BL02 Nucl.Instrum.Methods Phys.Res. A517, 139 (2004) I.Blevis, J.Boger, E.Bonvin, B.T.Cleveland, X.Dai, F.Dalnoki-Veress, G.Doucas, J.Farine, H.Fergani, D.Grant, R.L.Hahn, A.S.Hamer, C.K.Hargrove, H.Heron, P.Jagam, N.A.Jelley, C.Jillings, A.B.Knox, H.W.Lee, I.Levine, M.Liu, S.Majerus, A.McDonald, K.McFarlane, C.Mifflin, A.J.Noble, S.Noel, V.M.Novikov, J.K.Rowley, M.Shatkay, J.J.Simpson, D.Sinclair, B.Sur, J.-X.Wang, M.Yeh, X.Zhu Measurement of 222Rn dissolved in water at the Sudbury Neutrino Observatory RADIOACTIVITY 222Rn(α); measured Eα, Iα, contribution to detector background.
doi: 10.1016/j.nima.2003.10.103
2002TA22 Nucl.Instrum.Methods Phys.Res. A489, 178 (2002) N.J.Tagg, A.S.Hamer, B.Sur, E.D.Earle, R.L.Helmer, G.Jonkmans, B.A.Moffat, J.J.Simpson The 8Li Calibration Source for the Sudbury Neutrino Observatory RADIOACTIVITY 8Li(β-) [from 11B(n, α)]; measured Eβ, βα-coin. Use as calibration source in neutrino observatory discussed.
doi: 10.1016/S0168-9002(02)00860-4
1992JA17 J.Radioanal.Nucl.Chem. 166, 393 (1992) Intensity of the 1001 keV γ-Ray in the Decay of 234mPa RADIOACTIVITY 234mPa(β-) [from 234Th(β-decay)]; measured Eγ, Iγ, γγ-coin summing. 234U deduced transition Iγ.
doi: 10.1007/BF02167784
1991SI13 Phys.Lett. 269B, 454 (1991) Has Supernova SN1987A Provided the Lifetime of the 17 keV Neutrino ( Question )
doi: 10.1016/0370-2693(91)90200-A
1989HI07 Phys.Rev. D39, 1837 (1989) Evidence of the 17-keV Neutrino in the β Spectrum of 3H RADIOACTIVITY 3H(β-); measured β-spectra; deduced 17 keV neutrino mixing probability.
doi: 10.1103/PhysRevD.39.1837
1989SI04 Phys.Rev. D39, 1825 (1989) Evidence of the 17-keV Neutrino in the β Spectrum of 35S RADIOACTIVITY 35S; measured β-spectra; deduced 17 keV neutrino mixing probability. Windowless Si(Li) detector.
doi: 10.1103/PhysRevD.39.1825
1989SI07 Phys.Rev. C39, 2367 (1989) J.J.Simpson, P.Moorhouse, P.Jagam Decay of 50V RADIOACTIVITY 50V(EC), (β-); measured Eγ, Iγ; deduced partial T1/2, log ft. Hyperpure Ge detector.
doi: 10.1103/PhysRevC.39.2367
1987SI01 Phys.Rev. C35, 752 (1987) Half-Life of Tritium and the Gamow-Teller Transition Rate RADIOACTIVITY 3H(β-); measured T1/2, β-endpoint energy; deduced (G(a)/G(V))x<σ(τ)>. Source implanted in Si-Li detector.
doi: 10.1103/PhysRevC.35.752
1986SI08 Phys.Lett. 174B, 113 (1986) Is there Evidence for a 17 keV Neutrino in the 35S β Spectrum ( Question ) The case of Ohi et al RADIOACTIVITY 35S(β-); analyzed β-spectrum data; deduced evidence of 17 keV neutrino mass.
doi: 10.1016/0370-2693(86)91139-1
1985SI02 Phys.Rev. C31, 575 (1985) J.J.Simpson, P.Jagam, A.A.Pilt Electron Capture Decay Rate of 50V RADIOACTIVITY 50V(EC), (β-); measured Eγ, Iγ; deduced EC-decay T1/2, logft, β--decay T1/2 lower limit. High purity Ge detector.
doi: 10.1103/PhysRevC.31.575
1985SI07 Phys.Rev. C31, 1891 (1985) J.J.Simpson, W.R.Dixon, R.S.Storey End-Point Energy of 3H Beta Decay RADIOACTIVITY 3H(β-); measured Eβ, endpoint energy; deduced Q. Tritium implanted Si(Li) detector.
doi: 10.1103/PhysRevC.31.1891
1984SI08 Phys.Rev.Lett. 53, 141 (1984) J.J.Simpson, P.Jagam, J.L.Campbell, H.L.Malm, B.C.Robertson New Limit for Neutrinoless Double β Decay of 76Ge RADIOACTIVITY 76Ge(2β); measured neutrinoless double β-decay T1/2. Large volume Ge detector.
doi: 10.1103/PhysRevLett.53.141
1981DI09 Nucl.Phys. A363, 173 (1981) W.R.Dixon, R.S.Storey, J.J.Simpson Spins of the 3176 and 3646 keV Levels of 44Ti NUCLEAR REACTIONS 40Ca(α, γ), E=4.22 MeV; measured σ(Eγ, θ), absolute γ-transition strength. 44Ti levels deduced Γγ, J, π.
doi: 10.1016/0375-9474(81)90460-7
1981MC14 Phys.Rev.Lett. 47, 1720 (1981) A.B.McDonald, E.D.Earle, J.J.Simpson, R.G.H.Robertson, H.B.Mak Measurement of Pair Emission from the 2.8-MeV Parity-Mixed Doublet of 21Ne RADIOACTIVITY 21Ne [from 18O(α, n), E=4.48, 4.85, 4.95 MeV]; measured pair emission relative branching ratios. 21Ne transition deduced γ-multipolarity, δ lower limit.
doi: 10.1103/PhysRevLett.47.1720
1981SI18 Phys.Rev. D23, 649 (1981) Measurement of the β-Energy Spectrum of 3H to Determine the Antineutrino Mass RADIOACTIVITY 3H; measured β-spectrum, β-endpoint energies; deduced atomic effects in 3H, 3He mass difference, antineutrino mass. Tritium implantation.
doi: 10.1103/PhysRevD.23.649
1980DI14 Can.J.Phys. 58, 1360 (1980) W.R.Dixon, R.S.Storey, J.J.Simpson An Isospin-Mixed Triplet in 44Ti NUCLEAR REACTIONS 40Ca(α, γ), (α, p), E=4.58 MeV; measured Eγ, Iγ, σ(Eγ, E), γ(θ). 44Ti resonances deduced absolute γ-transition, proton decay strengths, T, isospin mixing effects, γ-branching ratio.
doi: 10.1139/p80-175
1979PI09 Phys.Rev. C20, 1186 (1979) A.A.Pilt, J.A.Kuehner, S.J.Wilson, J.J.Simpson 12C(12C, t)21Na Reaction between 37 and 50 MeV NUCLEAR REACTIONS 12C(12C, t), E=37-50 MeV; measured σ(E, Et, θ). 21Na deduced levels.
doi: 10.1103/PhysRevC.20.1186
1978DI11 Phys.Rev. C18, 2731 (1978); Erratum Phys.Rev. C19, 2077 (1979) W.R.Dixon, R.S.Storey, J.J.Simpson Isospin Forbidden γ-Decay of the Lowest T = 2 State in 44Ti NUCLEAR REACTIONS 40Ca(α, γ), E=4.65 MeV; measured Eγ, γ(θ), branching ratios. 44Ti levels deduced splitting of lowest T=2 state, transition strengths, isospin mixing.
doi: 10.1103/PhysRevC.18.2731
1978SI01 Phys.Rev.Lett. 40, 154 (1978) J.J.Simpson, S.J.Wilson, W.R.Dixon, R.S.Storey, J.A.Kuehner Isospin Impurity in the Compound Nucleus from a Comparison of Fluctuations in Mirror Reactions NUCLEAR REACTIONS 12C(14N, t), (14N, 3He), E=39-50.2 MeV; measured σ(E), Ericson fluctuations.
doi: 10.1103/PhysRevLett.40.154
1977DI07 Phys.Rev. C15, 1896 (1977) W.R.Dixon, R.S.Storey, J.J.Simpson Levels of 44Ti from the 40Ca(α, γ)44Ti Reaction NUCLEAR REACTIONS 40Ca(α, γ), E=4.5-6 MeV; measured σ(E, Eγ, θ), γγ-coin, DSA. 44Ti deduced levels, J, π, T1/2, γ-branching. Enriched targets, Ge(Li), NaI(Tl) detectors.
doi: 10.1103/PhysRevC.15.1896
1977SI14 Nucl.Phys. A287, 362 (1977) J.J.Simpson, P.O.Tjom, I.Espe, G.B.Hagemann, B.Herskind, M.Neiman Decay of the Compound Nucleus 74Kr Formed in the Reaction 16O + 58Ni NUCLEAR REACTIONS 58Ni(16O, xnypzαγ), E=44.5-76.5 MeV; measured σ(E, Eγ), 58Ni(16O, 2pγ), 58Ni(16O, 3pγ); measured particle γ-coin, γ-ray multiplicities, < Eγ > , σ(Ep, Eγ). Enriched target.
doi: 10.1016/0375-9474(77)90502-4
1976DI06 Phys.Rev. C13, 1745 (1976) W.R.Dixon, R.S.Storey, J.J.Simpson, R.D.Lawson Upper Limit on ΔT = 2, E2 Transition in 44Ti NUCLEAR REACTIONS 40Ca(α, γ); measured γ-spectra. 44Ti deduced levels, B(E2).
doi: 10.1103/PhysRevC.13.1745
1975SI11 Phys.Rev. C11, 1828 (1975) J.J.Simpson, W.R.Dixon, R.S.Storey Interpretation of 44Ti as a Soft Asymmetric Rotor NUCLEAR STRUCTURE 44Ti; calculated levels, B(E2). Asymmetric rotor model with vibrations.
doi: 10.1103/PhysRevC.11.1828
1975SI12 Phys.Rev.Lett. 35, 23 (1975) J.J.Simpson, S.J.Wilson, P.W.Green, J.A.Kuehner, W.R.Dixon, R.S.Storey Identification of the 6+ and 8+ Yrast States in 40Ca NUCLEAR REACTIONS 28Si(14N, npγ), E=34 MeV; measured σ(Eγ, θ). 40Ca deduced levels, J, λ.
doi: 10.1103/PhysRevLett.35.23
1975SI19 Phys.Rev. C12, 468 (1975) J.J.Simpson, W.Dunnweber, J.P.Wurm, P.W.Green, J.A.Kuehner, W.R.Dixon, R.S.Storey Yrast Levels in 44Ti NUCLEAR REACTIONS 32S(14N, pnγ), E=26-43 MeV; measured σ(E, Eγ, θ), γγ-coin, DSA. 44Ti deduced levels, J, π, T1/2, λ, B(E2).
doi: 10.1103/PhysRevC.12.468
1973DI04 Nucl.Phys. A202, 579 (1973) W.R.Dixon, R.S.Storey, J.J.Simpson Lifetimes of 44Ti Levels NUCLEAR REACTIONS 40Ca(α, γ), E=4.00, 4.26, 4.52 MeV; measured Eγ, Doppler-shift attenuation. 44Ti deduced levels E, T1/2. Enriched target.
doi: 10.1016/0375-9474(73)90644-1
1973SI05 Nucl.Phys. A203, 221 (1973) The Decay of 44Sc RADIOACTIVITY 44Sc[from 44Ti]; measured Eγ, Iγ, γγ-coin. 44Ca deduced levels, branching ratios.
doi: 10.1016/0375-9474(73)90434-X
1973SI28 Phys.Rev.Lett. 31, 946 (1973) J.J.Simpson, W.R.Dixon, R.S.Storey Evidence for Rotational Bands in 44Ti NUCLEAR REACTIONS 40Ca(α, γ); measured Eγ, γγ-coin. 44Ti deduced levels, J, π, band structure.
doi: 10.1103/PhysRevLett.31.946
1972SI06 Nucl.Phys. A185, 553 (1972) Coulomb Excitation of the Excited 0+ State in 70Ge NUCLEAR REACTIONS 70Ge(35Cl, 35Cl'), E=60-83 MeV; 70Ge(32S, 32S'), E=75.7 MeV; measured σ(E;Eγ), Eγ, γ-yield ratios. 70Ge deduced B(E2) to excited 0+ state. Enriched targets.
doi: 10.1016/0375-9474(72)90031-0
1972SI34 Phys.Rev.Lett. 29, 1472 (1972) J.J.Simpson, W.R.Dixon, R.S.Storey Decay of the Lowest T = 2 State in 44Ti NUCLEAR REACTIONS 40Ca(α, γ), E approx 4.645 MeV; measured σ(Eγ, θ(γ)). 44Ti deduced lowest T=2 state, level-width, γ-branching.
doi: 10.1103/PhysRevLett.29.1472
1971SI13 Phys.Rev. C4, 443 (1971) J.J.Simpson, W.R.Dixon, R.S.Storey Study of 44Ti by the 40Ca(α, γ)44Ti Reaction NUCLEAR REACTIONS 40Ca(α, γ), E=3.5-4.7 MeV; measured σ(E;Eγ, θ(γ)), Q. 44Ti deduced levels, γ-mixing, γ-branching, mass excess.
doi: 10.1103/PhysRevC.4.443
1970AI01 Can.J.Phys. 48, 1617 (1970) J.H.Aitken, R.E.Azuma, A.E.Litherland, A.M.Charlesworth, D.W.O.Rogers, J.J.Simpson A Survey of New Resonances in the 15N(α, γ)19F Reaction NUCLEAR REACTIONS 15N(α, γ), E=0.6-3.15 MeV; measured σ(E;Eγ, θ(γ)). 19F deduced resonances, level-width, branching ratios. 19F deduced levels, J, π.
doi: 10.1139/p70-203
1970LA02 Can.J.Phys. 48, 827 (1970) S.T.Lam, A.E.Litherland, J.J.Simpson Study of the 1459-keV Level in 19F by the 19F(p, p'γ)19F Reaction NUCLEAR REACTIONS 19F(p, p'γ), E=2.78 MeV; measured σ(Eγ, θ(γ)), γ-linear polarization. 19F level deduced γ-mixing, branching ratios.
doi: 10.1139/p70-105
1969SI14 Phys.Letters 30B, 478 (1969) J.J.Simpson, W.R.Dixon, R.S.Storey The Mass and Energy Levels of 44Ti NUCLEAR REACTIONS 40Ca(α, γ), E = 3.9-4.7 MeV; measured σ(E;Eγ, θ(γ)). 44Ti deduced resonances, levels, J, π, branching ratios.
doi: 10.1016/0370-2693(69)90177-4
1969SI15 Nucl.Phys. A138, 529 (1969) J.J.Simpson, U.Smilansky, D.Ashery Coulomb Excitation and the Reorientation Effect in 70Ge and 76Ge NUCLEAR REACTIONS 70,76Ge(α, α'), E = 5-11 MeV; 70,76Ge(16O, 16O'), E = 25, 34-43 MeV; measured σ(E;Eα'), σ(E;E(16O')). 70,76Ge levels deduced B(E2), quadrupole moment. Enriched targets.
doi: 10.1016/0375-9474(69)90236-X
1968SI05 Phys.Letters 27B, 633 (1968); Erratum Phys.Letters 28B, 422 (1969) J.J.Simpson, U.Smilansky, J.P.Wurm The Reorientation Effect in 114Cd NUCLEAR STRUCTURE 114Cd; measured not abstracted; deduced nuclear properties.
doi: 10.1016/0370-2693(68)90300-6
1967SI03 Nucl.Phys. A94, 177 (1967) J.J.Simpson, D.Eccleshall, M.J.L.Yates, N.J.Freeman A Determination of Quadrupole Moments in 114Cd, 130Ba, 148Sm and 150Sm NUCLEAR REACTIONS 114Cd, 130Ba, 148,150Sm(16O, 16O'), E = 19-27 MeV; 114Cd, 130Ba, 148,150Sm(32S, 32S'), E = 41-54 MeV; measured σ(E; E(O')), σ(E;E(S')). 114Cd, 130Ba, 148,150Sm deduced B(E2), quadrupole moment. Enriched targets.
doi: 10.1016/0375-9474(67)90817-2
1966EC02 Nucl.Phys. 78, 481 (1966) D.Eccleshall, M.J.L.Yates, J.J.Simpson Coulomb Excitation of Low-Energy States in Ce, Nd and Sm Isotopes NUCLEAR REACTIONS 140,142Ce, 142,143,144,145,146,148,150Nd, 144,148,150Sm(16O, 16O'), E=31-45 MeV; measured σ(E;E(16O')). 140,142Ce, 142,143,144,145,146,148,150Nd, 144,148,150Sm deduced B(e2).enriched targets.
doi: 10.1016/0029-5582(66)90890-X
1965SI02 Nucl.Phys. 62, 385 (1965) J.J.Simpson, J.A.Cookson, D.Eccleshall, M.J.L.Yates Coulomb Excitation of Ti50, Cr52 and Fe54 First Excited States NUCLEAR REACTIONS 50Ti, 52Cr, 54Fe(16O, 16O'), E=31-41 MeV; measured σ(E;E(16O')). 50Ti, 52Cr, 54Fe deduced B(E2).
doi: 10.1016/0029-5582(65)90486-4
1964EC06 Compt.Rend.Congr.Intern.Phys.Nucl., Paris, P.Gugenberger, Ed., Centre National de la Recherche Scientifique, Paris, Vol.II, p.469(1964) D.Eccleshall, M.J.L.Yates, J.A.Cookson, J.J.Simpson Coulomb Excitation of Some Even S.C.S. Nuclei and Their Neighbors NUCLEAR STRUCTURE 52Cr, 54Fe, 50Ti, 148Nd, 148Sm, 142Nd, 146Nd, 144Sm, 144Nd, 142Ce, 140Ce, 150Sm; measured not abstracted; deduced nuclear properties.
1963SI04 Phys.Canada 19, No.3, 18, Abstr.4.7 (1963) J.J.Simpson, J.D.Prentice, H.S.Caplan Lifetime of the 2.15 Mev. Level in B10 NUCLEAR STRUCTURE 6Li; measured not abstracted; deduced nuclear properties.
1962CL01 Bull.Am.Phys.Soc. 7, No.1, 60, R13 (1962) M.A.Clark, J.J.Simpson, A.E.Litherland Lifetime of the 3.85-MeV Level in C13 NUCLEAR STRUCTURE 12C; measured not abstracted; deduced nuclear properties.
1962SI08 Can.J.Phys. 40, 769 (1962) J.J.Simpson, M.A.Clark, A.E.Litherland Lifetime of the 3.85-MeV Level in C13 NUCLEAR STRUCTURE 13C, 2H; measured not abstracted; deduced nuclear properties.
doi: 10.1139/p62-082
1961LI08 AECL-1408, p.9 (1961) A.E.Litherland, M.A.Clark, J.J.Simpson The Lifetime of the 3.85 MeV Level in C13 NUCLEAR STRUCTURE 2H; measured not abstracted; deduced nuclear properties.
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