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Search: Author = K.W.Allen

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1989GA06      Nucl.Phys. A491, 383 (1989)

E.F.Garman, S.K.B.Hesmondhalgh, K.W.Allen

Alpha-Particle Decay Widths of T = (3/2) States in 19F

NUCLEAR REACTIONS 15N(α, α), (α, γ), E=4.46-7.51 MeV; measured σ(E(α), θ). 19F deduced levels, isospin forbidden Γ(α). Enriched windowless gas target.

doi: 10.1016/0375-9474(89)90574-5
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 datasetF0825.

1988AL16      Z.Phys. A330, 117 (1988)

K.W.Allen, R.J.Keddy, J.P.F.Sellschop, B.Whittle

The Ground State M1 Strength in 40Ca

NUCLEAR REACTIONS 39K(p, γ), E not given; measured thick target γ yields. 40Ca levels deduced Γγ, B(M1).

1988HE03      Nucl.Phys. A476, 375 (1988)

S.K.B.Hesmondhalgh, E.F.Garman, K.W.Allen

Alpha Widths in 19F from a Study of Resonances in 15N(α0, α0)15N

NUCLEAR REACTIONS 15N(α, α), (α, γ), E=5.41-8.12 MeV; measured σ(E(α), θ). 19F deduced levels, Γ(α), J, π. Enriched windowless gas target.

doi: 10.1016/0375-9474(88)90489-7
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 datasetF0825.

1987HE05      Phys.Lett. 183B, 35 (1987)

S.K.B.Hesmondhalgh, E.F.Garman, D.M.Pringle, S.H.Chew, W.N.Catford, K.W.Allen

Measurement of the Alpha Particle Decay Width of the First 0+, T = 2 State in 40Ca

NUCLEAR REACTIONS 36Ar(α, α), E=5480-5515 keV; measured α, γ yields vs E. 40Ca level deduced Γα, Γ. Gas target, Ge(Li), Si detectors.

doi: 10.1016/0370-2693(87)91413-4
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 datasetF0644.

1983FI02      Nucl.Phys. A394, 1 (1983)

L.K.Fifield, W.N.Catford, S.H.Chew, E.F.Garman, D.M.Pringle, K.W.Allen, J.Lowe

Evidence for Isovector Parity Mixing in the 11.264 MeV 1+ T = 1 State in 20Ne

NUCLEAR REACTIONS 16O(α, γ), E=8.162-8.17 MeV; measured σ(Eγ, E). 20Ne level deduced parity forbidden α-particle width. Enriched windowless gas target.

doi: 10.1016/0375-9474(83)90157-4
Citations: PlumX Metrics

1982PR05      Phys.Lett. 115B, 291 (1982)

D.M.Pringle, E.F.Garman, S.H.Chew, K.A.Snover, W.N.Catford, S.K.B.Hesmondhalgh, K.W.Allen

Decay of the Lowest T = 2 State in 40Ca

NUCLEAR REACTIONS 36Ar(α, γ), E=5.495-5.505 MeV; measured Eγ, Iγ, γ yields. 40Ca deduced γ-transitions, B(M1), ΓαΓγ/Γ, Γγ/Γ, Γγ.

doi: 10.1016/0370-2693(82)90372-0
Citations: PlumX Metrics

1980FI01      Nucl.Phys. A334, 109 (1980)

L.K.Fifield, M.J.Hurst, E.F.Garman, T.J.M.Symons, F.Watt, K.W.Allen

Radiative Decays of Unbound Levels in 20Ne

NUCLEAR REACTIONS 16O(α, γ), (α, α'γ), E=3.0-9.5 MeV; measured σ(Eα, Eγ, θγ). 20Ne deduced levels, J, π, T, γ-ray branching ratios, Γγ. Windowless gas target.

doi: 10.1016/0375-9474(80)90143-8
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 datasetF0298.

1980HU08      J.Phys.(London) G6, 891 (1980)

M.J.Hurst, L.K.Fifield, E.F.Garman, T.J.M.Symons, F.Watt, K.W.Allen

An Alpha-Capture Measurement of the Radiative Width of the First 8+ State in 20Ne

NUCLEAR REACTIONS 16O(α, γ), E=9.02 MeV; measured σ(Eα, Eγ). 20Ne level deduced Γγ, resonance strength, B(E2). Enriched gas target.

doi: 10.1088/0305-4616/6/7/012
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 datasetF0584.

1979FI03      Nucl.Phys. A322, 1 (1979)

L.K.Fifield, E.F.Garman, M.J.Hurst, T.J.M.Symons, F.Watt, C.H.Zimmerman, K.W.Allen

Radiative Decays of Unbound High-Spin States in 24Mg (II)

NUCLEAR REACTIONS 20Ne(α, γ), E=2.7-6.0 MeV; measured σ(Eα, Eγ, θγ). 24Mg deduced levels, J, π, T, γ-ray branching ratios, radiative widths, α-particle widths. Enriched gas target.

doi: 10.1016/0375-9474(79)90329-4
Citations: PlumX Metrics

1978FI08      Nucl.Phys. A309, 77 (1978)

L.K.Fifield, M.J.Hurst, T.J.M.Symons, F.Watt, C.H.Zimmerman, K.W.Allen

Radiative Decays of Unbound High Spin States in 24Mg. (I). Positive Parity States

NUCLEAR REACTIONS 20Ne(α, γ), 20Ne(α, α'γ), E=3-6 MeV; measured σ(Eα, Eγ, θ(γ)). 24Mg deduced levels, J, π, T, γ-branching, Γ. Windowless gas target.

doi: 10.1016/0375-9474(78)90536-5
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 datasetF0518.

1978SY01      J.Phys.(London) G4, 411 (1978)

T.J.M.Symons, L.K.Fifield, M.J.Hurst, F.Watt, C.H.Zimmerman, K.W.Allen

A Study of the 15N(α, γ)19F Reaction for Bombarding Energies between 5.2 and 8.4 Mev. I. Yield Curves and Gamma Decay Schemes

NUCLEAR REACTIONS 15N(α, γ), E=5.2-8.4 MeV; measured σ(E, Eγ). 19F deduced resonances, Γγ, J, π. Windowless gas target.

doi: 10.1088/0305-4616/4/3/016
Citations: PlumX Metrics

1978WA19      Nucl.Instrum.Methods 151, 163 (1978)

F.Watt, L.K.Fifield, M.J.Hurst, T.J.M.Symons, C.H.Zimmerman, K.W.Allen

A Cryogenically Pumped Gas Target for the Study of Angular Distributions of Gamma Rays following Radiative Capture

NUCLEAR REACTIONS 16O(α, γ), E ≈ 10 MeV; measured γ(θ). 20Ne resonance deduced δ.

doi: 10.1016/0029-554X(78)90484-6
Citations: PlumX Metrics

1977DI18      Phys.Lett. 62A, 479 (1977)

W.R.Dixon, T.J.M.Symons, A.A.Pilt, K.W.Allen, C.H.Zimmerman, F.Watt, S.P.Dolan

The Lifetime of the 3907 keV State of 19F

NUCLEAR REACTIONS 15N(α, γ), E ≈ 5.2 MeV; measured DSA. 19F level deduced T1/2.

doi: 10.1016/0375-9601(77)90073-1
Citations: PlumX Metrics

1977FI06      Phys.Lett. 68B, 125 (1977)

L.K.Fifield, T.J.M.Symons, C.H.Zimmerman, M.J.Hurst, F.Watt, K.W.Allen

High-Spin Negative Parity States in 19F

NUCLEAR REACTIONS 15N(α, γ); measured σ(Eγ, θ). 19F deduced resonances, J, π, γ-branching.

doi: 10.1016/0370-2693(77)90182-4
Citations: PlumX Metrics

1977FI07      Phys.Lett. 69B, 45 (1977)

L.K.Fifield, M.J.Hurst, T.J.M.Symons, F.Watt, K.W.Allen

The Radiative Width of the 8+ Member of the Kπ = 2+ Band in 24Mg

NUCLEAR REACTIONS 20Ne(α, γ), E ≈ 5.8 MeV; measured γ-yield spectra. 24Mg level deduced Γγ, B(E2).

doi: 10.1016/0370-2693(77)90128-9
Citations: PlumX Metrics

1977FI08      Nucl.Phys. A288, 57 (1977)

L.K.Fifield, F.P.Calaprice, C.H.Zimmerman, M.J.Hurst, A.Pakkanen, T.J.M.Symons, F.Watt, K.W.Allen

Measurements of the Radiative Widths of the First T = 1, 2+ State of 20Ne and their Relationship to Analog β-Decays

NUCLEAR REACTIONS 16O(α, γ), E=6.93 MeV; measured σ(Eα, Eγ). 20Ne 10.27 MeV, 2+ T=1 level deduced branching ratios, Γγ, weak magnetism form factors. Enriched gas target.

doi: 10.1016/0375-9474(77)90081-1
Citations: PlumX Metrics

1976BH03      Nucl.Phys. A269, 327 (1976)

K.Bharuth-Ram, K.P.Jackson, P.G.Lawson, N.A.Jelley, K.W.Allen

Electromagnetic Transitions in 19F

NUCLEAR REACTIONS 19F(p, p'γ), E=5-9 MeV; measured Eγ, Iγ, p'γ-coin, γ(θ), DSA. 19F deduced levels, J, π, T1/2, Γ, Γγ, γ-branching. Ge(Li) detectors.

doi: 10.1016/0375-9474(76)90684-9
Citations: PlumX Metrics

1976RO07      Can.J.Phys. 54, 938 (1976)

D.W.O.Rogers, A.L.Carter, T.J.M.Symons, S.P.Dolan, N.Anyas-Weiss, K.W.Allen

The Electromagnetic Decay of the T = 3/2 States in 19F

NUCLEAR REACTIONS 15N(α, γ), E=4.465, 4.618 MeV; measured γ(θ), DSA. 19F resonances deduced transitions, δ, T1/2.

doi: 10.1139/p76-110
Citations: PlumX Metrics

1976SY01      Phys.Lett. 63B, 409 (1976)

T.J.M.Symons, L.K.Fifield, M.J.Hurst, A.Pakkanen, F.Watt, C.H.Zimmerman, K.W.Allen

The Second 13/2+ State in 19F

NUCLEAR REACTIONS 15N(α, γ), E=5.1-8.6 MeV; measured σ(E, Eγ, θ). 19F deduced resonance, J, π, transition strengths, δ.

doi: 10.1016/0370-2693(76)90382-8
Citations: PlumX Metrics

1974JA10      Phys.Lett. 49B, 341 (1974)

K.P.Jackson, J.C.Hardy, H.Schmeing, R.L.Graham, J.S.Geiger, K.W.Allen

A New Delayed Proton Precursor: Chromium-45

RADIOACTIVITY 45Cr; measured T1/2, delayed protons.

doi: 10.1016/0370-2693(74)90176-2
Citations: PlumX Metrics

1974UN01      Nucl.Phys. A225, 253 (1974)

B.Y.Underwood, M.R.Wormald, N.Anyas-Weiss, N.A.Jelley, K.W.Allen

High Spin States in the Kπ = 1/2- Band of 19F

NUCLEAR REACTIONS 15N(α, γ), E=4.00, 5.41, 6.26 MeV; measured Eγ, Iγ(θ), DSA, (α-width)(γ-width)/total width. 19F resonances deduced T1/2, γ-width, J, π.

doi: 10.1016/0375-9474(74)90541-7
Citations: PlumX Metrics

1972AL32      Nucl.Phys. A197, 1 (1972)

T.K.Alexander, B.Y.Underwood, N.Anyas-Weiss, N.A.Jelley, J.Szucs, S.P.Dolan, M.R.Wormald, K.W.Allen

16O(α, γ)20Ne Capture γ-Ray Measurements on the Excited Kπ = 0+ Bands in 20Ne Near 7 MeV

NUCLEAR REACTIONS 16O(α, γ), E approx 3 to 7.6 MeV; measured omegaγ, σ(E;Eγ, θ(γ)). 20Ne deduced level energies, γ-width, γ-ray branching, γ-mixing.

doi: 10.1016/0375-9474(72)90741-5
Citations: PlumX Metrics

1972JE04      Phys.Lett. 40B, 200 (1972)

N.A.Jelley, N.Anyas-Weiss, M.R.Wormald, B.Y.Underwood, K.W.Allen

Decay of the 15.22 Mev, T=2 State in 28Si

NUCLEAR REACTIONS 24Mg(α, γ), E approx 6.1 MeV; measured γγ-coin, σ(E;Eγ). 28Si deduced resonances, levels, level-width, γ-branching, isobaric analogs.

doi: 10.1016/0370-2693(72)90409-1
Citations: PlumX Metrics

1971RO33      Phys.Lett. 37B, 65 (1971)

D.W.O.Rogers, K.W.Allen, H.C.Evans, N.A.Jelley, A.E.Litherland, B.Y.Underwood

The 5- Resonance in the 16O(α, γ)20Ne Reaction at E = 4.65 MeV

NUCLEAR REACTIONS 16O(α, γ), E approx 4.6 MeV; measured σ(E;Eγ). 20Ne deduced resonance, level-width, J, π, γ-branching.

doi: 10.1016/0370-2693(71)90572-7
Citations: PlumX Metrics

1969AI01      Phys.Letters 28B, 653 (1969)

J.H.Aitken, K.W.Allen, R.E.Azuma, A.E.Litherland, D.W.O.Rogers

Discovery of 11/2+ Level in 19F

NUCLEAR REACTIONS 15N(α, γ), E=2.5-3.2 MeV; measured σ(E;Eγ, θ). 19F deduced resonances, levels, J, level-width, γ-mixing. Ge(Li) detector.

doi: 10.1016/0370-2693(69)90212-3
Citations: PlumX Metrics

1969AL15      Can.J.Phys. 47, 2335 (1969)

T.K.Alexander, O.Hausser, K.W.Allen, A.E.Litherland

E3 Coulomb Excitation of 19F

NUCLEAR REACTIONS Si(19F, 19F'γ), E=22, 25, 26, 28 MeV; measured σ(E;Eγ). 19F levels deduced B(E2), B(E3), quadrupole moment.

doi: 10.1139/p69-284
Citations: PlumX Metrics

1969JA09      Phys.Letters 30B, 162 (1969)

K.P.Jackson, K.Bharuth Ram, P.G.Lawson, N.G.Chapman, K.W.Allen

High Spin States in 19F

NUCLEAR REACTIONS 19F(α, α'γ), E =12.7 MeV; measured Q, σ(Eα', Eγ, θ(γ)), Doppler shift attenuation. 19F deduced levels, J, π, T1/2.

doi: 10.1016/0370-2693(69)90357-8
Citations: PlumX Metrics

1968AL03      Phys.Letters 26B, 138 (1968)

K.W.Allen, P.G.Lawson, D.H.Wilkinson

The Radiative Width of the 3.09 MeV State of 13C

NUCLEAR STRUCTURE 13C, 2H; measured not abstracted; deduced nuclear properties.

doi: 10.1016/0370-2693(68)90507-8
Citations: PlumX Metrics

1968AL12      Can.J.Phys. 46, 1575 (1968)

K.W.Allen, T.K.Alexander, D.C.Healey

Electromagnetic Transition Strengths in 14C and 14N

NUCLEAR STRUCTURE 14N, 14C, 3H; measured not abstracted; deduced nuclear properties.

doi: 10.1139/p68-484
Citations: PlumX Metrics

1966AL04      Phys.Letters 20, 402 (1966)

T.K.Alexander, K.W.Allen, D.C.Healey

The Lifetimes of the 937 and 1082 keV States of 18F

NUCLEAR STRUCTURE 3H, 18F; measured not abstracted; deduced nuclear properties.

doi: 10.1016/0031-9163(66)90760-8
Citations: PlumX Metrics

1966AL11      Phys.Letters 22, 193 (1966)

K.W.Allen, T.K.Alexander, D.C.Healey

Lifetimes of the 5.10 MeV and 5.83 MeV Levels in 14N

NUCLEAR STRUCTURE 14N, 3H; measured not abstracted; deduced nuclear properties.

doi: 10.1016/0031-9163(66)90571-3
Citations: PlumX Metrics

1965AL03      Bull.Am.Phys.Soc. 10, No.1, 118, KC1 (1965)

T.K.Alexander, K.W.Allen

Recoil Method of Measuring Lifetimes of Excited Nuclear States, Using High-Resolution Ge(Li) Detectors

NUCLEAR STRUCTURE 16O, 17O, 18F; measured not abstracted; deduced nuclear properties.

1965AL14      Can.J.Phys. 43, 1563 (1965)

T.K.Alexander, K.W.Allen

Lifetimes of the 16O 6.13-MeV Level and the 17O 0.871-MeV Level

NUCLEAR STRUCTURE 16O, 17O; measured not abstracted; deduced nuclear properties.

doi: 10.1139/p65-148
Citations: PlumX Metrics

1960AL10      Proc.Phys.Soc.(London) 75, 913 (1960)

K.W.Allen, E.Almqvist, C.B.Bigham

NUCLEAR STRUCTURE 6Li, 6He; measured not abstracted; deduced nuclear properties.

1959AL99      Proc.Phys.Soc.(London) 74, 660 (1959)

K.W.Allen, D.Eccleshall, M.J.L.Yates

1.12 MeV Level in 18F

doi: 10.1088/0370-1328/74/5/425
Citations: PlumX Metrics

1955AL57      Phys.Rev. 99, 631A (1955)

E.Almqvist, K.W.Allen, C.B.Bigham

He3 and T Reactions in Some Light Elements

NUCLEAR REACTIONS 7Li(3He, p), E not given; measured Ep. 10B(t, α), (3He, α), 6Li(3He, α), E not given; measured Eα. 9Be deduced excited states energies, widths. 9B deduced excited state energy.

1955BI26      Phys.Rev. 99, 631A (1955)

C.B.Bigham, K.W.Allen, E.Almqvist

Energy Levels of B12, C12, C13, and F21

NUCLEAR REACTIONS 10,11B, 12,13C, 14N, 16O, 19F(3He, X), E=900 keV; measured particle spectra. 12B, 12,13C deduced level energies. 19F(t, p), E not given; measured Ep. 21F deduced level energies.

1954AL35      Phys.Rev. 96, 684 (1954)

K.W.Allen, E.Almqvist, J.T.Dewan, T.Pepper

Disintegration of Li6 and Li7 by 0.24-MeV Tritons

doi: 10.1103/PhysRev.96.684
Citations: PlumX Metrics

1952PE02      Phys.Rev. 85, 155 (1952)

T.P.Pepper, K.W.Allen, E.Almqvist, J.T.Dewan

Protons and Deuterons from Li6 + T Reactions

doi: 10.1103/PhysRev.85.155
Citations: PlumX Metrics

1951AL29      Phys.Rev. 82, 527 (1951)

K.W.Allen, J.T.Dewan

The Emission of Short-Range Charged Particles in the Slow Neutron Fission of Uranium

NUCLEAR REACTIONS 233,235U(n, F), E slow; measured fission products; deduced fission rates, charged particle ranges.

doi: 10.1103/PhysRev.82.527
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 dataset14592.

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