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NSR database version of April 27, 2024.

Search: Author = D.J.Parker

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2017SM03      Phys.Rev.Lett. 119, 132502 (2017)

R.Smith, Tz.Kokalova, C.Wheldon, J.E.Bishop, M.Freer, N.Curtis, D.J.Parker

New Measurement of the Direct 3α Decay from the ¹²C Hoyle State

NUCLEAR REACTIONS ¹²C(α, 3α)⁴He, E=40 MeV; measured reaction products, Eα, Iα; deduced Dalitz plots, upper limit for the rare direct 3α decay branch. Comparison with theoretical calculations.

doi: 10.1103/physrevlett.119.132502
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Data from this article have been entered in the XUNDL database. For more information, click here.

2014BA35      Phys.Rev. C 90, 024302 (2014)

S.Bailey, M.Freer, Tz.Kokalova, S.Cruz, H.Floyd, D.J.Parker

Energy levels of ¹⁸F from the ¹⁴N+α resonant reaction

NUCLEAR REACTIONS ⁴He(¹⁴N, α), (¹⁴N, d), E≈46, 62 MeV; measured particle spectra, σ(E) as function of excitation energy at the University of Birmingham MC40 Cyclotron facility. Thick-target inverse kinematics (TTIK) and R-matrix analyses. ¹⁸F; deduced levels, resonances, J, π, widths, partial widths, candidates for α-cluster states, rotational bands. ¹⁴N(α, α), (α, p); ¹⁶O(d, d), (d, α); analyzed previous σ data by R-matrix. Comparison with previous experimental results, evaluated data, and theoretical calculations.

doi: 10.1103/PhysRevC.90.024302
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO2235. Data from this article have been entered in the XUNDL database. For more information, click here.

2014MA37      Phys.Rev.Lett. 113, 012502 (2014)

D.J.Marin-Lambarri, R.Bijker, M.Freer, M.Gai, Tz.Kokalova, D.J.Parker, C.Wheldon

Evidence for Triangular D_3h Symmetry in ¹²C

NUCLEAR REACTIONS ¹²C(α, 3α), E=40 MeV; measured reaction products, Eα, Iα; deduced yields, level scheme, J, π, high-spin states. Comparison with available data.

doi: 10.1103/PhysRevLett.113.012502
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Data from this article have been entered in the XUNDL database. For more information, click here.

2014WH02      Phys.Rev. C 90, 014319 (2014)

C.Wheldon, Tz.Kokalova, M.Freer, A.Glenn, D.J.Parker, T.Roberts, I.Walmsley

States at high excitation in ¹²C from the ¹²C(³He, ³He)3α reaction

NUCLEAR REACTIONS ¹²C(³He, ³He')3α, E=46 MeV; measured ³He spectra, 2α spectra from ⁸Be+α channel, yields of ⁶Li, ^3,4He, ^1,2H. ¹²C; deduced levels through reconstructed ⁸Be_g.s.+α decay, isospin, widths, partial α widths, Comparison with previous experimental results. Discussed systematics of rotational states in ¹²C.

doi: 10.1103/PhysRevC.90.014319
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Data from this article have been entered in the XUNDL database. For more information, click here.

2001BB06      Eur.Phys.J. A 12, 317 (2001)

R.I.Badran, D.J.Parker, I.M.Naqib

Complete and Incomplete Fusion in Reactions of ⁷Li + ⁵⁶Fe at E(⁷Li) = 50 and 68 MeV from Analysis of Recoil Range and Light-Particle Measurements

NUCLEAR REACTIONS ⁵⁶Fe(⁷Li, X)⁶¹Cu/⁶⁰Cu/⁶⁰Co/⁵⁸Co/⁵⁷Co/⁵⁶Co/⁵⁴Mn/⁵²Mn, E=10-89 MeV; measured σ, Ep, Eα, deuteron and triton energy spectra, product nuclei recoil range distributions. Comparison with Statistical model calculations, ⁷Li breakup discussed.

doi: 10.1007/s100500170009
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO1612.

1996BA70      J.Phys.(London) G22, 1441 (1996)

R.I.Badran, I.M.Naqib, D.J.Parker, J.Asher

Strong Absorption Formalism Applied to the Direct Transfer Reaction ⁵⁶Fe(⁷Li, ⁴He)⁵⁹Co(*) Leading to Continuum States

NUCLEAR REACTIONS ⁵⁶Fe(⁷Li, α), E=50 MeV; ⁵⁶Fe(⁷Li, ⁷Li), E=48 MeV; ⁵⁸Ni(α, α), E=43 MeV; analyzed σ(θ). Finite-range DWBA, strong absorption parameterization.

doi: 10.1088/0954-3899/22/10/008
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1994MC12      Nucl.Instrum.Methods Phys.Res. A348, 593 (1994)

P.A.McNeil, T.D.Fryer, M.R.Hawkesworth, D.J.Parker

Modelling the Factors Affecting Image Quality for the RAL-Birmingham Positron Camera

doi: 10.1016/0168-9002(94)90806-0
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1993TO01      J.Phys.(London) G19, 187 (1993)

J.R.D.Todd, A.R.Wolf, J.J.Hogan, D.J.Parker

Fission Events in the 120 MeV ¹²C + ²³⁸U System

NUCLEAR REACTIONS ²³⁸U(¹²C, F), E=120 MeV; measured fission fragment σ(θ), differential range distribution, production σ, kinetic energy distributions. Recoil method.

doi: 10.1088/0954-3899/19/1/013
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1991HO11      Z.Phys. A338, 325 (1991)

J.J.Hogan, D.J.Parker, J.Asher

Fission following Complete or Incomplete Fusion of 135 MeV ¹⁶O and ²³⁸U

NUCLEAR REACTIONS, ICPND ²³⁸U(¹⁶O, X), E=315 MeV; measured residuals σ(fragment θ), complete, imcomplete fusion product σ for X=⁹¹Sr-¹⁴³Ce.

doi: 10.1007/BF01288197
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1991PA09      Phys.Rev. C44, 1528 (1991)

D.J.Parker, P.Vergani, E.Gadioli, J.J.Hogan, F.Vettore, E.Gadioli-Erba, E.Fabrici, M.Galmarini

Recoil Range Study of Complete and Incomplete Fusion of C and Au at 10 MeV/Nucleon

NUCLEAR REACTIONS ¹⁹⁷Au(¹²C, X), E=120 MeV; measured residue production σ, X=¹⁹⁶Au-²⁰⁴Po; deduced reaction mechanism. Monte Carlo calculations.

doi: 10.1103/PhysRevC.44.1528
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1990PA17      Z.Phys. A336, 411 (1990)

D.J.Parker, J.J.Hogan, J.Asher

Fission Product Energies and Anisotropies following Complete Fusion of ¹⁶O + ²³⁸U

NUCLEAR REACTIONS, ICPND ²³⁸U(¹⁶O, F), E=101 MeV; measured fission product cumulative, independent yields following complete fusion.

1989PA06      Phys.Rev. C39, 2256 (1989)

D.J.Parker, J.J.Hogan, J.Asher

Complete and Incomplete Fusion of 6 MeV/Nucleon Light Heavy Ions on ⁵¹V

NUCLEAR REACTIONS, ICPND ⁵¹V(¹²C, X), (¹⁵N, X), (¹⁶O, X), (¹⁹F, X), (²⁰Ne, X), E=6 MeV/nucleon; measured light charged particle yields, radioactive ⁵⁴Mn-⁶⁶Ga residues yields. Incomplete fusion sum rule model analysis.

doi: 10.1103/PhysRevC.39.2256
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1987PA01      Phys.Rev. C35, 161 (1987)

D.J.Parker, J.J.Hogan, J.Asher

Complete and Incomplete Fusion in ²⁰Ne + ⁹³Nb Reactions

NUCLEAR REACTIONS ⁹³Nb(²⁰Ne, X)¹⁰⁹In/^109mIn/¹⁰⁸Sn/¹⁰⁸In/^108mIn/¹⁰⁷In/^107mIn/¹⁰⁵Ag/^105mAg/¹⁰⁴Cd/¹⁰³Ag/^103mAg/¹⁰¹Pd/¹⁰⁰Pd/⁹⁹Pd/¹⁰¹Rh/^101mRh/¹⁰⁰Rh/⁹⁹Pd/⁹⁹Rh/^99mRh/⁹⁷Rh/⁹⁷Ru/⁹⁶Tc/^96mTc/⁹⁵Tc/⁹⁴Tc/⁹³Tc/⁹³Mo/^93mMo/^93mMo/⁹²Nb/^92mNb/⁹⁰Nb/^90mNb/⁸⁹Zr/^89mZr/⁸⁸Zr/⁸⁷Y/^87mY, E=106, 148 MeV; measured σ(θ), σ(E, θ), X=C, N, O, F, B, P, α, recoil distributions, residues yields; deduced complete, incomplete fusion contributions. ΔE-E telescope.

doi: 10.1103/PhysRevC.35.161
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1985GA12      Phys.Rev. C32, 1214 (1985)

E.Gadioli, E.Gadioli Erba, D.J.Parker, J.Asher

Recoil Range Distributions of Residues from α + ⁵⁹Co Reactions

NUCLEAR REACTIONS, ICPND ⁵⁹Co(α, X)⁶¹Cu/⁶⁰Cu/⁵⁸Co/⁵⁷Co/⁵⁶Co/⁵⁴Mn/⁵²Mn, E=38, 50, 65, 85 MeV; measured residue yield vs recoil range; deduced exciton model validity.

doi: 10.1103/PhysRevC.32.1214
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1985HO05      Phys.Rev. C31, 477 (1985)

J.J.Hogan, J.Asher, D.J.Parker

Recoil of Products from Reactions of ^20,22Ne with ⁹³Nb at 100 and 142 MeV

NUCLEAR REACTIONS ⁹³Nb(²⁰Ne, X), (²²Ne, X)⁸⁷Y/^87mY/⁸⁸Zr/⁸⁹Zr/⁹⁰Nb/⁹²Nb/^92mNb/⁹⁵Nb/⁹³Mo/^93mMo/⁹³Tc/⁹⁴Tc/⁹⁵Tc/⁹⁶Tc/^96mTc/⁹⁷Rh/⁹⁸Rh/⁹⁹Rh/^99mRh/¹⁰⁰Rh/¹⁰⁰Pd/¹⁰¹Pd/¹⁰¹Ag/¹⁰²Ag/¹⁰³Ag/¹⁰⁴Ag/¹⁰⁵Ag/^105mAg/¹⁰⁴Cd/¹⁰⁵Cd/¹⁰⁵In/¹⁰⁶In/^106mIn/¹⁰⁷In/¹⁰⁸In/¹⁰⁹In/¹¹⁰In/^110mIn/¹¹¹In/¹⁰⁸Sn/¹⁰⁹Sn/¹¹⁰Sn/¹¹¹Sn, E=100, 142 MeV; measured residuals thick target yields; deduced mean recoil velocity, range, angle. Stacked, tilted catcher foils. Heavy ion fusion, mass transfer.

doi: 10.1103/PhysRevC.31.477
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1984GA14      Z.Phys. A317, 155 (1984)

E.Gadioli, E.Gadioli Erba, J.Asher, D.J.Parker

Analysis of ⁵⁹Co(α, xpynzα) Reactions up to 170 MeV Incident α Energy

NUCLEAR REACTIONS, ICPND ⁵⁹Co(α, 2n), (α, 3n), (α, n2p), (α, n3p), (α, 5np), (α, 4n2p), (α, 3n2p), (α, 5n2p), (α, 6n2p), (α, 5n4p), (α, 3n4p), (α, 7n4p), (α, 7n5p), (α, 8n4p), (α, 9n6p), (α, 10n5p), E=threshold-170 MeV; measured residuals productions σ(E); deduced α-nucleon interaction role. Exciton model.

doi: 10.1007/BF01421250
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD0394.

1984PA13      Phys.Rev. C30, 143 (1984)

D.J.Parker, J.Asher, T.W.Conlon, I.Naqib

Complete and Incomplete Fusion in ¹²C + ⁵¹V at E(¹²C) = 36-100 MeV from Analysis of Recoil Range and Light Particle Measurements

NUCLEAR REACTIONS, ICPND ⁵¹V(¹²C, 2n), (¹²C, 3n), (¹²C, 3n2p), (¹²C, 4n2p), (¹²C, 5n2p), (¹²C, 7n4p), (¹²C, 5n4p), (¹²C, 7n5p), E=36-100 MeV; measured residuals production yield, σ(E); deduced complete, incomplete fusion component separation.

doi: 10.1103/PhysRevC.30.143
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1982PA19      Phys.Lett. 116B, 397 (1982)

D.J.Parker, J.Asher, T.W.Conlon, I.Naqib

Differential Recoil Range Measurements as a Probe of Heavy Ion Reaction Mechanisms

NUCLEAR REACTIONS ⁵⁹Co(α, X), ⁵⁶Fe(⁷Li, X), ⁵¹V(¹²C, X)⁵⁶Co/⁵⁴Mn/⁵⁷Co/⁶⁰Co/⁶⁰Cu/⁵⁸Co, E not given; measured residuals production σ; deduced reaction mechanism. Statistical, preequilibrium analyses.

doi: 10.1016/0370-2693(82)90152-6
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1977BR24      Phys.Rev.Lett. 39, 870 (1977)

F.P.Brady, D.A.Viggars, T.W.Conlon, D.J.Parker

Intermediate-Structure Effects in the Reaction ¹²C(¹⁶O, ²⁰Ne)⁸Be

NUCLEAR REACTIONS ¹²C(¹⁶O, ²⁰Ne), E(cm)=12.25-15.07 MeV; measured σ(θ).

doi: 10.1103/PhysRevLett.39.870
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