Nuclear Science References (NSR)

NSR Query Results

Output year order : Descending
Format : Normal

NSR database version of May 1, 2024.

Search: Author = P.H.Barker

Found 39 matches.

Back to query form

2009BA06 Phys.Rev. C 79, 024311 (2009)

P.H.Barker, K.K.H.Leung, A.P.Byrne

Half-life of the superallowed positron emitter ¹⁰C

RADIOACTIVITY ¹⁰C(β⁺) [from ¹⁰B(p, n), E=5.2 MeV]; measured β spectra, half-life; deduced ft value.

doi: 10.1103/PhysRevC.79.024311
Citations: PlumX Metrics
Data from this article have been entered in the XUNDL database. For more information, click here.

2006BA33 Phys.Rev. C 73, 064306 (2006)

P.H.Barker, A.P.Byrne

Half-life of the superallowed positron emitter ⁵⁰Mn

NUCLEAR REACTIONS ⁵⁰Cr(p, n), E=8.58-8.82 MeV; measured relative yields.

RADIOACTIVITY ⁵⁰Mn(β⁺) [from ⁵⁰Cr(p, n)]; measured Eβ, T_1/2. Comparison with previous results.

doi: 10.1103/PhysRevC.73.064306
Citations: PlumX Metrics

2004BA78 Phys.Rev. C 70, 024302 (2004)

P.H.Barker, I.C.Barnett, G.J.Baxter, A.P.Byrne

Half-life of the superallowed positron emitter ¹⁴O

RADIOACTIVITY ¹⁴O(β⁺) [from ¹⁴N(p, n) and ¹²C(³He, n)]; measured Eγ, Iγ, T_1/2; deduced logft. Effects of pileup, contamination discussed.

doi: 10.1103/PhysRevC.70.024302
Citations: PlumX Metrics

2003TO03 Phys.Rev. C 67, 035503 (2003)

N.R.Tolich, P.H.Barker, P.D.Harty, P.A.Amundsen

Energy of the ¹⁴O superallowed positron decay

NUCLEAR REACTIONS ¹⁴N(p, n), E=6347-6362 keV; ²⁷Al(p, γ), E=991-993 keV; measured yields; deduced threshold energies. ¹⁴O deduced Q(EC) for superallowed decay.

doi: 10.1103/PhysRevC.67.035503
Citations: PlumX Metrics

2001BA06 Phys.Rev. C63, 024302 (2001)

P.H.Barker

Energy of the 2.3-MeV γ Ray from the First Excited State of ¹⁴N

RADIOACTIVITY ¹⁴O(β⁺) [from ¹⁴N(p, n)]; ⁵⁶Co(β⁺), (EC) [from ⁵⁶Fe(p, n)]; ⁹⁰Nb(β⁺), (EC) [from ⁹⁰Zr(p, n)]; measured Eγ, Iγ. ¹⁴N, ⁹⁰Zr deduced transition energies.

doi: 10.1103/PhysRevC.63.024302
Citations: PlumX Metrics

2001BA99 Phys.Rev. C64, 064305 (2001)

P.H.Barker, A.Scott

Energy of the 9.17 MeV Excited State of ¹⁴N

NUCLEAR REACTIONS ¹³C(p, γ), E ≈ 1.75 MeV; measured Eγ, Iγ. ¹⁴N levels deduced energies.

doi: 10.1103/PhysRevC.64.064305
Citations: PlumX Metrics

2000BB01 Phys.Rev. C62, 054302 (2000)

P.H.Barker, M.S.Wu

Half-Life and Ft Value of the Superallowed Positron Decay of ³⁸K^m

RADIOACTIVITY ^38mK(β⁺) [from ³⁸Ar(p, n)]; measured positron spectra, T_1/2; deduced Ft for superallowed decay.

doi: 10.1103/PhysRevC.62.054302
Citations: PlumX Metrics

1998BA83 Phys.Rev. C58, 2571 (1998)

P.H.Barker, P.A.Amundsen

Revised Q Values for the Superallowed Positron Decays of ¹⁰C and ¹⁴O

NUCLEAR REACTIONS ¹⁰B(p, n), E ≈ 4.87 MeV; ¹⁴N(p, n), E ≈ 6.3 MeV; analyzed yield curves; deduced corrections to reaction threshold energies.

RADIOACTIVITY ¹⁰C, ¹⁴O(β⁺) [from ¹⁰B, ¹⁴N(p, n)]; analyzed data; deduced superallowed decays Q-values.

doi: 10.1103/PhysRevC.58.2571
Citations: PlumX Metrics

1998HA36 Phys.Rev. C58, 821 (1998)

P.D.Harty, N.S.Bowden, P.H.Barker, P.A.Amundsen

Energy of the Superallowed β Decay of ³⁸K^m

NUCLEAR REACTIONS ³⁸Ar(p, n)^38mK, E=7004-7012 keV; measured positron yield; deduced threshold energy. Frozen target.

RADIOACTIVITY ^38mK(β⁺); deduced superallowed decay Q value.

doi: 10.1103/PhysRevC.58.821
Citations: PlumX Metrics

1994AM08 Phys.Rev. C50, 2466 (1994)

P.A.Amundsen, P.H.Barker

Atomic Energy Loss Corrections for (p, n) and (p, γ) Nuclear Reaction Energies

NUCLEAR REACTIONS, ICPND ¹⁴N, ²⁶Mg, ²⁷Al, ³⁴S, ⁴²Ca(p, n), ²⁵Mg, ²⁷Al, ³³S(p, γ), E not given; calculated corrections to threshold, resonance energies. ²⁵Mg(p, γ), (p, n), E ≈ resonance; calculated thick target yield corrections. Atomic electron excitation during reaction.

doi: 10.1103/PhysRevC.50.2466
Citations: PlumX Metrics

1994BB10 Nucl.Instrum.Methods Phys.Res. A345, 445 (1994)

P.H.Barker

Aligning a Ge Detector using the ¹⁹F(p, αγ) Reaction

NUCLEAR REACTIONS ¹⁹F(p, α), E=3 MeV; measured Eγ, Iγ; deduced Ge detector alignment.

doi: 10.1016/0168-9002(94)90496-0
Citations: PlumX Metrics

1994BR11 Phys.Rev. C49, 2401 (1994)

S.A.Brindhaban, P.H.Barker

The Q Value for the ^26mAl Superallowed Beta Decay

NUCLEAR REACTIONS, ICPND ²⁶Mg(p, n)²⁶Al/^26mAl, E=5.206-5.211 MeV; measured yield; deduced threshold energy, Q(pn). ^26mAl deduced Qβ. Enriched targets.

doi: 10.1103/PhysRevC.49.2401
Citations: PlumX Metrics

1994BR37 Nucl.Instrum.Methods Phys.Res. A340, 436 (1994)

S.A.Brindhaban, P.H.Barker, M.J.Keeling, W.B.Wood

Accelerator Beam Energy Calibration with the ²⁷Al(p, n) and ²⁷Al(p, γ) Reactions

NUCLEAR REACTIONS, ICPND ²⁷Al(p, γ), E ≈ 1.315-1.32 MeV, E ≈ 990-994 keV; measured yield curve. ²⁷Al(p, n), E ≈ 5.804 MeV; measured yield curve; deduced beam energy calibration related parameters.

doi: 10.1016/0168-9002(94)90124-4
Citations: PlumX Metrics

1994LI20 Phys.Rev. C49, 3098 (1994)

S.Lin, S.A.Brindhaban, P.H.Barker

Q Value for the ³⁴Cl Superallowed Beta Decay

NUCLEAR REACTIONS, ICPND ³³S(p, γ), E ≈ 0.973-1.997 MeV; measured γ yield vs E. ³⁴S(p, n), E ≈ 6.45-6.47 MeV; measured yield vs E. ³⁴Cl deduced proton separation energy, superallowed β-decay Q.

doi: 10.1103/PhysRevC.49.3098
Citations: PlumX Metrics

1991KR19 Nucl.Instrum.Methods Phys.Res. A310, 649 (1991)

M.A.Kroupa, S.J.Freedman, P.H.Barker, S.M.Ferguson

A Method for Determining the Branching Ratio for the Superallowed Decay: ¹⁰C(0⁺, gs) → ¹⁰B(0⁺, 1.74 MeV) + e⁺ + ν

NUCLEAR REACTIONS ¹⁰B(p, p'), E=7.8 MeV; measured Eγ, Iγ, pγ-coin, β-delayed γ-spectra. ¹⁰C deduced superallowed β-decay branching ratio.

RADIOACTIVITY ¹⁰C(β⁺) [from ¹⁰B(p, p'), E=7.8 MeV]; measured Eγ, Iγ, β-delayed γ-spectra; deduced superallowed β-decay branching ratio.

doi: 10.1016/0168-9002(91)91112-9
Citations: PlumX Metrics

1990BA02 Phys.Rev. C41, 246 (1990)

P.H.Barker, G.D.Leonard

Half-Life of ¹⁰C

RADIOACTIVITY ¹⁰C(β⁺) [from ¹⁰B(p, n)]; measured T_1/2. Ge(Li) detector.

doi: 10.1103/PhysRevC.41.246
Citations: PlumX Metrics

1989BA28 Phys.Rev. C40, 940 (1989)

S.C.Baker, M.J.Brown, P.H.Barker

Energy of the Superallowed Positron Decay of ¹⁰C

NUCLEAR REACTIONS ¹⁰B(p, n), E ≈ 4.88 MeV; measured yield curve, Eγ, Iγ; deduced reaction threshold energy. ¹⁰C deduced decay Eγ, superallowed β⁺-decay energy.

RADIOACTIVITY ¹⁰C(β⁺) [from ¹⁰B(p, n), E ≈ 4.88 MeV]; measured Eγ; deduced Qβ. ¹⁰B deduced transition Eγ. Reaction threshold measurements.

doi: 10.1103/PhysRevC.40.940
Citations: PlumX Metrics

1988BA55 Phys.Rev. C38, 1936 (1988)

P.H.Barker, S.M.Ferguson

Excitation Energy of the 1.74 MeV State in ¹⁰B

RADIOACTIVITY ¹⁰C(β⁺); measured Eγ, Iγ; deduced Q(β⁺). Superallowed beta decay.

doi: 10.1103/PhysRevC.38.1936
Citations: PlumX Metrics

1984BA12 Phys.Rev. C29, 1530 (1984)

P.H.Barker, R.E.White

¹⁰B(p, n)¹⁰C Q Value

NUCLEAR REACTIONS, ICPND ¹⁰B(p, n), E ≈ threshold; measured yield; deduced Q.

doi: 10.1103/PhysRevC.29.1530
Citations: PlumX Metrics

1981BA58 Nucl.Phys. A372, 45 (1981)

P.H.Barker, T.B.Ko, M.J.Scandle

The Half-Life of ⁶He

RADIOACTIVITY ⁶He [from ⁷Li(⁷Li, ⁸Be)]; measured T_1/2. Enriched target, tested fitting procedure.

doi: 10.1016/0375-9474(81)90085-3
Citations: PlumX Metrics

1981ST04 Nucl.Instrum.Methods 180, 515 (1981)

D.P.Stoker, P.H.Barker, H.Naylor, R.E.White, W.B.Wood

A System for the Accurate Measurement of Nuclear Reaction Q-Values

NUCLEAR REACTIONS ²⁷Al(p, γ), E=992 keV; ¹⁶O(p, p), E=6.5 MeV; measured yield. ²⁸Si, ¹⁷F deduced resonance energy. High precision beam energy, Q determination.

doi: 10.1016/0029-554X(81)90094-X
Citations: PlumX Metrics

1981WH03 Phys.Lett. 105B, 116 (1981)

R.E.White, H.Naylor, P.H.Barker, D.M.J.Lovelock, R.M.Smythe

An Absolute Determination of the ¹⁴O(β⁺) Fermi Decay Q-Value

NUCLEAR REACTIONS ¹⁴N(p, n), E ≈ threshold; measured threshold; deduced Q. ¹⁴O deduced Qβ, radiative corrected ft.

doi: 10.1016/0370-2693(81)91002-9
Citations: PlumX Metrics

1979BU13 Nucl.Instrum.Methods 164, 533 (1979)

W.E.Burcham, G.T.A.Squier, P.H.Barker, J.M.Freeman, S.D.Hoath

Measurement of the ³⁸Ar(p, n)^38mK Threshold Using a Gaseous Target

NUCLEAR REACTIONS ³⁸Ar(p, n), E ≈ 7 MeV; measured σ(E); deduced Q. Gas target.

doi: 10.1016/0029-554X(79)90090-9
Citations: PlumX Metrics

1978JA06 J.Phys.(London) G4, 579 (1978)

A.N.James, J.F.Sharpey-Schafer, A.M.Al-Naser, A.H.Behbehani, C.J.Lister, P.J.Nolan, P.H.Barker, W.E.Burcham

The End-Point Energy of the Superallowed Fermi Decay of ^38mK

NUCLEAR REACTIONS ³⁸Ar(p, n); measured threshold; deduced Q. ^38mK deduced superallowed Eβ.

doi: 10.1088/0305-4616/4/4/015
Citations: PlumX Metrics

1977BA01 Nucl.Phys. A275, 37 (1977)

P.H.Barker, C.J.Sofield, R.J.Petty, J.M.Freeman, S.D.Hoath, W.E.Burcham, G.T.A.Squier

A Measurement of the Half-Life of the Superallowed Fermi Decay ⁴⁶V(β⁺)⁴⁶Ti and a Study of Some Systematic Errors Involved

RADIOACTIVITY ⁴⁶V [from ⁴⁶Ti(p, n)]; measured T_1/2. Enriched target.

doi: 10.1016/0375-9474(77)90273-1
Citations: PlumX Metrics

1977BA16 Nucl.Phys. A279, 199 (1977)

P.H.Barker, R.E.White, H.Naylor, N.S.Wyatt

The Threshold Energy for the ³⁴S(p, n)³⁴Cl Reaction and the Q-Value of the ³⁴Cl Superallowed Beta Decay

NUCLEAR REACTIONS ³⁴S(p, n); measured threshold; deduced Q. ³⁴Cl deduced Qβ, ft. Enriched targets.

doi: 10.1016/0375-9474(77)90223-8
Citations: PlumX Metrics

1976SQ01 Phys.Lett. 65B, 122 (1976)

G.T.A.Squier, W.E.Burcham, S.D.Hoath, J.M.Freeman, P.H.Barker, R.J.Petty

The ft Value of the Superallowed Fermi Decay ⁴⁶V(β⁺)⁴⁶Ti

NUCLEAR REACTIONS ⁴⁶Ti(p, n); measured Q. ⁴⁶V deduced Qβ+.

doi: 10.1016/0370-2693(76)90009-5
Citations: PlumX Metrics

1975SE03 Nucl.Phys. A241, 151 (1975)

H.P.Seiler, R.Kulessa, P.M.Cockburn, P.Marmier, P.H.Barker

Heavy-Ion One-Neutron Transfer Reactions Involving ¹³C (I). Spectroscopic Factor Products

NUCLEAR REACTIONS ⁹Be(¹³C, ¹⁴C), ¹⁶O, ¹⁰B(¹³C, ¹²C), ¹³C(¹⁴N, ¹⁵N), (¹⁶O, ¹⁷O), ⁹Be(¹⁹F, ²⁰F), E=3-16 MeV; measured σ(E). ¹¹B, ¹⁴C, ¹⁵N, ¹⁷O, ²⁰F levels deduced S₁S₂.

doi: 10.1016/0375-9474(75)90370-X
Citations: PlumX Metrics

1975SE04 Nucl.Phys. A241, 159 (1975)

H.P.Seiler, R.Kulessa, P.M.Cockburn, P.Marmier, P.H.Barker

Heavy-Ion One-Neutron Transfer Reactions Involving ¹³C (II). Electromagnetic Lifetimes

NUCLEAR REACTIONS ⁹Be(¹³C, ¹⁴C), ¹⁰B(¹³C, ¹²C), ¹³C(¹⁴N, ¹⁵N), ¹³C(¹⁹F, ²⁰F), E=9-19 MeV; measured Eγ, DSA. ¹¹B, ¹⁴C, ¹⁵N, ²⁰F levels deduced T_1/2.

doi: 10.1016/0375-9474(75)90371-1
Citations: PlumX Metrics

1974RO21 Nucl.Phys. A225, 109 (1974)

D.C.Robinson, P.H.Barker

The ft Value of the ¹⁰C Superallowed Fermi β-Decay

NUCLEAR REACTIONS ¹⁰B(p, n); measured threshold, Q. Enriched targets, Ge(Li) detector.

RADIOACTIVITY ¹⁰C [from ¹⁰B(p, n)]; measured T_1/2, deduced ft. Enriched target, Ge(Li) detector.

doi: 10.1016/0375-9474(74)90368-6
Citations: PlumX Metrics

1971BA68 Ann.Phys.(N.Y.) 66, 705 (1971)

P.H.Barker, P.M.Cockburn, A.Huber, H.Knoth, U.Matter, H.-P.Seiler, P.Marmier

Transfer Reactions below the Coulomb Barrier

NUCLEAR REACTIONS ⁹Be(¹⁸O, ¹⁹O), E=12, 16 MeV; ¹³C(¹⁸O, ¹⁹O), E=15, 20, 24 MeV; ¹⁶O(¹⁸O, ¹⁴C), E=28, 32 MeV; ⁹Be(¹²C, ¹³C), E=3-13 MeV; ⁹Be(¹⁸O, ¹⁹O), E=6-18 MeV; measured σ(E); deduced S(n) products.

doi: 10.1016/0003-4916(71)90076-5
Citations: PlumX Metrics

1971KN05 Nucl.Phys. A172, 25 (1971)

H.Knoth, P.H.Barker, A.Huber, U.Matter, P.M.Cockburn, P.Marmier

Some One-Neutron Transfer Reactions with ¹⁸O and ¹⁹F Beams

NUCLEAR REACTIONS ¹⁰B(¹⁸O, ¹⁸O), (¹⁹F, ¹⁹F), ¹³C(¹⁸O, ¹⁸O), ⁹Be(¹⁸O, ¹⁸O), E=12-24 MeV; ¹⁰B(¹⁸O, ¹⁷O), (¹⁹F, ¹⁸F), E=20, 24 MeV; ⁹Be(¹⁸O, ¹⁹O), E=12.1, 16 MeV, (¹⁸O, ¹⁷O), E=16, 20 MeV; ¹³C(¹⁸O, ¹⁹O), E=15, 20, 24 MeV; measured σ(θ). ^8,10Be, ¹¹B, ¹²C deduced neutron S.

doi: 10.1016/0375-9474(71)90113-8
Citations: PlumX Metrics

1970BA49 Nucl.Phys. A155, 401 (1970)

P.H.Barker, A.Huber, H.Knoth, U.Matter, A.Gobbi, P.Marmier

One-Neutron Transfer Reactions with Beryllium, Carbon and Oxygen Nuclei

NUCLEAR REACTIONS ⁹Be(¹²C, ¹²C), (¹⁶O, ¹⁶O), ¹³C(¹⁶O, ¹⁶O), E=12-25 MeV; ⁹Be(¹²C, ¹³C), E=12, 15 MeV; ⁹Be(¹⁶O, ¹⁷O), E=11, 15, 18 MeV; ¹³C(¹⁶O, ¹⁷O), E=14, 17, 20 MeV; measured σ(θ). ⁹Be, ¹³C, ¹⁷O deduced neutron S.

doi: 10.1016/0375-9474(70)90903-6
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 datasetF1132.

1970BA55 Phys.Rev.Lett. 25, 1350 (1970)

P.H.Barker, P.M.Cockburn, H.P.Seiler, P.Marmier

One-Neutron Transfer Reactions ⁹Be(¹⁶O, ¹⁷O[0.871])⁸Be and ¹³C(¹⁶O, ¹⁷O[0.871])¹²C

NUCLEAR REACTIONS ⁹Be(¹⁶O, ¹⁷O), E=7-21 MeV; ¹³C(¹⁶O, ¹⁷O), E=12-22 MeV; measured σ(E;Eγ). ¹⁷O level deduced S.

doi: 10.1103/PhysRevLett.25.1350
Citations: PlumX Metrics

1970CA07 Nucl.Phys. A146, 523 (1970)

M.J.Canty, P.H.Barker, T.D.Nguyen, R.D.Connor

The Electron Capture Decay of ¹⁹⁵Hg and ^195mHg

RADIOACTIVITY ^195,195mHg[from ¹⁹⁷Au(p, 3n)]; measured Eγ, Iγ, I(ce), ICC, γγ-coin, γγ(θ); deduced log ft, EC branching ratios. ¹⁹⁵Au deduced levels, J, π, branching ratios.

doi: 10.1016/0375-9474(70)90744-X
Citations: PlumX Metrics

1968BA43 Nucl.Phys. A121, 128 (1968)

P.H.Barker, R.D.Connor

A Note on Decay of ⁴⁹Cr

RADIOACTIVITY ⁴⁹Cr [from ⁵¹V(p, 3n)]; measured Eγ, Iγ; deduced Eβ⁺, Iβ⁺, log ft. ⁴⁹V deduced levels. Ge(Li) detector.

doi: 10.1016/0375-9474(68)90501-0
Citations: PlumX Metrics

1967BA36 Proc.Phys.Soc.(London) 91, 587 (1967)

P.H.Barker, N.Drysdale, W.R.Phillips

The Beta Decays of ²²Mg, ³⁰S and ³⁴Ar

NUCLEAR STRUCTURE ³⁰S, ³⁴Ar, ²²Mg; measured not abstracted; deduced nuclear properties.

doi: 10.1088/0370-1328/91/3/310
Citations: PlumX Metrics

1967BA60 Bull.Am.Phys.Soc. 12, No.5, 696, EE2 (1967)