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NSR database version of May 24, 2024.

Search: Author = D.J.Parker

Found 19 matches.

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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
Citations: PlumX Metrics

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
Citations: PlumX Metrics

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 D3h 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
Citations: PlumX Metrics

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 8Beg.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
Citations: PlumX Metrics

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
Citations: PlumX Metrics

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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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
Citations: PlumX Metrics

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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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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