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NSR database version of April 11, 2024.

Search: Author = K.C.Chan

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1999AH07      Phys.Rev. C60, 064601 (1999)

I.Ahmad, S.M.Austin, B.B.Back, R.R.Betts, F.P.Calaprice, K.C.Chan, A.Chishti, C.M.Conner, R.W.Dunford, J.D.Fox, S.J.Freedman, M.Freer, S.B.Gazes, A.L.Hallin, Th.Happ, D.Henderson, N.I.Kaloskamis, E.Kashy, W.Kutschera, J.Last, C.J.Lister, M.Liu, M.R.Maier, D.M.Mercer, D.Mikolas, P.A.A.Perera, M.D.Rhein, D.E.Roa, J.P.Schiffer, T.A.Trainor, P.Wilt, J.S.Winfield, M.Wolanski, F.L.H.Wolfs, A.H.Wuosmaa, A.R.Young, J.E.Yurkon

Positron-Electron Pairs Produced in Heavy-Ion Collisions

NUCLEAR REACTIONS 232Th(238U, X), E=5.95 MeV/nucleon; 181Ta(238U, X), E=5.95, 6.1, 6.3 MeV/nucleon; measured positron, electron spectra, multiplicities, e-e+-coin, angular correlation; deduced no sharp structure in sum-energy spectra. APEX spectrometer.

doi: 10.1103/PhysRevC.60.064601
Citations: PlumX Metrics


1997AH01      Phys.Rev.Lett. 78, 618 (1997)

I.Ahmad, S.M.Austin, B.B.Back, R.R.Betts, F.P.Calaprice, K.C.Chan, A.Chishti, C.Conner, R.W.Dunford, J.D.Fox, S.J.Freedman, M.Freer, S.B.Gazes, A.L.Hallin, T.Happ, D.Henderson, N.I.Kaloskamis, E.Kashy, W.Kutschera, J.Last, C.J.Lister, M.Liu, M.R.Maier, D.J.Mercer, D.Mikolas, P.A.A.Perera, M.D.Rhein, D.E.Roa, J.P.Schiffer, T.A.Trainor, P.Wilt, J.S.Winfield, M.R.Wolanski, F.L.H.Wolfs, A.H.Wuosmaa, G.Xu, A.Young, J.E.Yurkon, and the APEX Collaboration

Search for Monoenergetic Positron Emission from Heavy-Ion Collisions at Coulomb-Barrier Energies

NUCLEAR REACTIONS 181Ta(238U, X), E=5.95-6.3 MeV/nucleon; 232Th(238U, X), E=5.95 MeV/nucleon; measured positron energy spectra; deduced no structure.

doi: 10.1103/PhysRevLett.78.618
Citations: PlumX Metrics


1997AH04      Phys.Rev. C55, R2755 (1997)

I.Ahmad, S.M.Austin, B.B.Back, R.R.Betts, F.P.Calaprice, K.C.Chan, A.A.Chishti, C.Conner, R.W.Dunford, J.D.Fox, S.J.Freedman, M.Freer, J.S.Greenberg, S.B.Gazes, A.L.Hallin, T.Happ, D.Henderson, N.I.Kaloskamis, E.Kashy, W.Kutschera, J.Last, C.J.Lister, M.Liu, M.R.Maier, D.J.Mercer, D.Mikolas, P.A.A.Perera, M.D.Rhein, D.E.Roa, J.P.Schiffer, T.A.Trainor, P.Wilt, J.S.Winfield, M.Wolanski, F.L.H.Wolfs, A.H.Wuosmaa, G.Xu, A.Young, J.E.Yurkon, and the APEX Collaboration

Internal Pair Conversion in Heavy Nuclei

NUCLEAR REACTIONS 206Pb(206Pb, X), E=5.90 MeV/nucleon; measured e+e--sum energy spectra, Doppler corrected Eγ; deduced internal pair conversion to gamma branching ratio. 232Th(208Pb, X), E=5.80 MeV/nucleon; 238U(208Pb, X), E=5.80 MeV/nucleon; 181Ta(238U, X), E=5.95 MeV/nucleon; 232Th(238U, X), E=5.90 MeV/nucleon; measured e+e--sum energy, Doppler corrected Eγ; deduced no discrete lines evidence in e+e- spectra. 238U deduced new levels evidence.

doi: 10.1103/PhysRevC.55.R2755
Citations: PlumX Metrics


1997AH05      Z.Phys. A358, 235 (1997)

I.Ahmad, S.M.Austin, B.B.Back, R.R.Betts, F.P.Calaprice, K.C.Chan, A.Chishti, P.Chowdhury, C.Conner, R.W.Dunford, J.D.Fox, S.J.Freedman, M.Freer, S.B.Gazes, A.L.Hallin, T.Happ, D.Henderson, N.I.Kaloskamis, E.Kashy, W.Kutschera, J.Last, C.J.Lister, M.Liu, M.R.Maier, D.J.Mercer, D.Mikolas, P.A.A.Perera, M.D.Rhein, D.E.Roa, J.P.Schiffer, T.A.Trainor, P.Wilt, J.S.Winfield, M.Wolanski, F.L.H.Wolfs, A.H.Wuosmaa, A.Young, J.E.Yurkon, and the APEX Collaboration

The Positron-Electron Peak Puzzle: Results from APEX

NUCLEAR REACTIONS 232Th(238U, X), E=5.78-5.95 MeV/nucleon; 181Ta(238U, X), E=5.79-6.3 MeV/nucleon; measured total (e+)(heavy-ion)-, (e+e-)(heavy-ion)-coin events number; deduced very low light neutral particle production upper limits.

doi: 10.1007/s002180050316
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1997GE03      Phys.Rev. C55, 2959 (1997)

J.Gehring, B.B.Back, K.C.Chan, M.Freer, D.Henderson, C.L.Jiang, K.E.Rehm, J.P.Schiffer, M.Wolanski, A.H.Wuosmaa

Deep-Inelastic Scattering in 124,136Xe + 58,64Ni at Energies Near the Coulomb Barrier

NUCLEAR REACTIONS 58,64Ni(124Xe, X), E=522-556 MeV; 56,64Ni(136Xe, X), E=522-556 MeV; σ(θ), fragment E, mass; deduced deep inelastic σ. Modified extra push model.

doi: 10.1103/PhysRevC.55.2959
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1996AH05      Acta Phys.Pol. B27, 387 (1996)

I.Ahmad, S.M.Austin, B.B.Back, R.R.Betts, F.P.Calaprice, K.C.Chan, A.Chishti, P.Chowdhury, C.Conner, R.W.Dunford, J.D.Fox, S.J.Freedman, M.Freer, S.Gazes, A.L.Hallin, T.Happ, N.Kaloskamis, E.Kashy, W.Kutschera, J.Last, C.J.Lister, M.Liu, M.R.Maier, D.J.Mercer, D.Mikolas, A.Perera, M.D.Rhein, D.E.Roa, J.P.Schiffer, T.Trainor, P.Wilt, J.S.Winfield, M.Wolanski, F.L.H.Wolfs, A.H.Wuosmaa, A.Young, J.E.Yurkon, and the APEX Collaboration

The Positron Peak Puzzle - Recent Results from APEX

NUCLEAR REACTIONS 232Th(238U, X), E=5.95 MeV/nucleon; 181Ta(238U, X), E=5.96-6.3 MeV/nucleon; 206Pb(206Pb, X), E not given; analyzed e+e--sum energy spectra. 232Th, 238U(208Pb, X), E=5.8 MeV/nucleon; 232Th, 181Ta(238U, X), E=5.95 MeV/nucleon; 206Pb(206Pb, X), E=5.9 MeV/nucleon; analyzed Doppler reconstructed γ spectra; deduced limits on 1.78 MeV 238U transition possible contribution to (heavy ion)γ-coin.


1996AH07      Nucl.Instrum.Methods Phys.Res. A370, 539 (1996)

I.Ahmad, S.M.Austin, B.B.Back, R.R.Betts, F.P.Calaprice, K.C.Chan, A.Chishti, P.Chowdhury, C.Conner, R.W.Dunford, J.D.Fox, S.J.Freedman, M.Freer, S.B.Gazes, J.S.Greenberg, J.P.Greene, A.L.Hallin, Th.Happ, D.Henderson, N.I.Kaloskamis, E.Kashy, W.Kutschera, J.Last, C.J.Lister, M.Liu, M.R.Maier, D.M.Mercer, D.Mikolas, P.A.A.Perera, M.D.Rhein, D.E.Roa, J.P.Schiffer, T.A.Trainor, P.Wilt, J.S.Winfield, M.Wolanski, F.L.H.Wolfs, A.H.Wuosmaa, G.Xu, A.R.Young, J.E.Yurkon

A Solenoidal Spectrometer for Positron-Electron Pairs Produced in Heavy-Ion Collisions

RADIOACTIVITY 85Sr(EC); 113Sn(EC); 203Hg(β-); measured electron spectra; deduced apparatus response, efficiency. New solenoidal spectrometer.

NUCLEAR REACTIONS 181Ta(238U, X), E=6.1 MeV/nucleon; measured γ-, positron energy spectra. New solenoidal spectrometer.

doi: 10.1016/0168-9002(95)00829-2
Citations: PlumX Metrics


1995AH01      Nucl.Phys. A583, 247c (1995)

I.Ahmad, S.M.Austin, B.B.Back, D.Bazin, R.R.Betts, F.P.Calaprice, K.C.Chan, A.Chishti, P.Chowdhury, R.W.Dunford, J.D.Fox, S.J.Freedman, M.Freer, S.B.Gazes, J.S.Greenberg, A.L.Hallin, T.Happ, J.Last, N.Kaloskamis, E.Kashy, W.Kutschera, C.J.Lister, M.Liu, M.R.Maier, D.Mercer, A.Perera, M.D.Rhein, D.E.Roa, J.P.Schiffer, T.Trainor, P.Wilt, J.S.Winfield, M.Wolanski, F.L.H.Wolfs, A.H.Wuosmaa, G.Xu, A.Young, J.E.Yurkon

Positron Production in Heavy Ion Collisions: Current status of the problem

NUCLEAR REACTIONS 181Ta(238U, X), E=5.9-6.3 MeV/nucleon; compiled, analyzed, reviewed electron, positron production data.

doi: 10.1016/0375-9474(94)00667-C
Citations: PlumX Metrics


1995AH06      Phys.Rev.Lett. 75, 2658 (1995)

I.Ahmad, S.M.Austin, B.B.Back, R.R.Betts, F.P.Calaprice, K.C.Chan, A.Chishti, P.Chowdhury, C.Conner, R.W.Dunford, J.D.Fox, S.J.Freedman, M.Freer, S.B.Gazes, A.L.Hallin, T.Happ, D.Henderson, N.I.Kaloskamis, E.Kashy, W.Kutschera, J.Last, C.J.Lister, M.Liu, M.R.Maier, D.J.Mercer, D.Mikolas, P.A.A.Perera, M.D.Rhein, D.E.Roa, J.P.Schiffer, T.A.Trainor, P.Wilt, J.S.Winfield, M.Wolanski, F.L.H.Wolfs, A.H.Wuosmaa, G.Xu, A.Young, J.E.Yurkon, and the APEX Collaboration

Search for Narrow Sum-Energy Lines in Electron-Positron Pair Emission from Heavy-Ion Collisions Near the Coulomb Barrier

NUCLEAR REACTIONS 181Ta(238U, X), E=5.95-6.3 MeV/nucleon; 232Th(238U, X), E=5.95 MeV/nucleon; measured pair emission sum spectra; deduced no sharp lines evidence, neutral particle isolated decay related features.

doi: 10.1103/PhysRevLett.75.2658
Citations: PlumX Metrics


1993KA34      Nucl.Instrum.Methods Phys.Res. A330, 447 (1993)

N.I.Kaloskamis, K.C.Chan, A.A.Chishti, J.S.Greenberg, C.J.Lister, S.J.Freedman, M.Wolanski, J.Last, B.Utts

The Trigger Detector for APEX: An array of position-sensitive NaI(Tl) detectors for the imaging of positrons from heavy-ion collisions

RADIOACTIVITY 68Ge(EC); measured γγ-coin. Position sensitive cylindrical NaI(Tl) detector.

doi: 10.1016/0168-9002(93)90574-2
Citations: PlumX Metrics


1986LO08      Radiat.Eff. 94, 53 (1986)

M.A.Lone, K.C.D.Chan, P.Y.Wong

Neutron and Bremsstrahlung Yields from 5-25 MeV Electrons on Natural Element Targets of Various Thickness

NUCLEAR REACTIONS Cu, Ta(e, γ), (e, n), E=5-25 MeV; calculated neutron, bremsstrahlung yields.

doi: 10.1080/00337578608208353
Citations: PlumX Metrics


1985CH41      Nucl.Instrum.Methods Phys.Res. B10/11, 419 (1985)

K.C.D.Chan, M.A.Lone, S.E.Adams, P.Y.Wong

Bremsstrahlung and Photo-Neutron Yields from 5-25 MeV Electrons on Thin Slabs of Al, Fe, Cu and Pb

NUCLEAR REACTIONS 27Al, Fe, Cu, Pb(e, γ), E=5-25 MeV; measured bremsstrahlung yields. 27Al, Fe, Cu, Ta, W, Pb(γ, n), E=15, 25 MeV; measured photoneutron yield vs target thickness.

doi: 10.1016/0168-583X(85)90282-4
Citations: PlumX Metrics


1977CH15      Phys.Rev. C15, 1698 (1977)

K.C.Chan, L.Shabason, B.L.Cohen, J.Alzona, T.Congedo

Compound Nucleus (α, p) and (p, p') Reactions on Odd-A Nuclei in the Ni Region

NUCLEAR REACTIONS 55Mn, 57Fe, 59Co, 61Ni, 63,65Cu(α, p), E=15, 18 MeV; 55Mn, 57Fe, 59Co, 61Ni, 63Cu(p, p'), E=12 MeV; measured σ(Ep); deduced compound nucleus σ.

doi: 10.1103/PhysRevC.15.1698
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1977CH24      J.Inorg.Nucl.Chem. 39, 1915 (1977)

K.C.Chan, B.P.Pathak, L.Nikkinen, L.Lessard, I.S.Grant

Independent Yields of Indium and Gallium in the Proton Induced Fission Of Natural Uranium

NUCLEAR REACTIONS 238U(p, F), E=30-98.6 MeV; measured σ(E, A, Z).

doi: 10.1016/0022-1902(77)80516-2
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetB0112.


1976CH06      Phys.Rev. C13, 1112 (1976)

K.C.Chan, L.Shabason, J.E.Alzona, B.L.Cohen

Analysis of Compound Nucleus Contributions from (α, p) Reactions in Ni and Sn Regions

NUCLEAR REACTIONS 54,56Fe, 58,60,62Ni, 64,66Zn(α, p), E=15, 18 MeV; 106,110Cd, 112,114,116Sn(α, p), E=18 MeV; measured σ(Ep, θ).

doi: 10.1103/PhysRevC.13.1112
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1975AL06      Phys.Rev. C11, 1669 (1975)

J.E.Alzona, K.C.Chan, L.Shabason, B.L.Cohen

Compound-Nucleus Contribution to (α, α') Reactions in Ni, Zn, and Sn

NUCLEAR REACTIONS 58,60,62Ni, 64,66Zn, 112Sn(α, α'), E=18 MeV; measured σ(Eα'); deduced reaction parameters.

doi: 10.1103/PhysRevC.11.1669
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1975CH07      Phys.Rev. C11, 1064 (1975)

K.C.Chan, B.L.Cohen, L.Shabason

Nuclear Structure Studies with (d, t) Reactions on 110Cd

NUCLEAR REACTIONS 110Cd(d, t), E=16 MeV; measured σ(Et, θ). 109Cd deduced levels, L, J, π.

doi: 10.1103/PhysRevC.11.1064
Citations: PlumX Metrics


1975CH38      Phys.Rev. C12, 1844 (1975)

K.C.Chan, B.L.Cohen, L.Shabason, J.E.Alzona, T.Congedo

(d, p) Reactions in the Continuum

NUCLEAR REACTIONS 65Cu, 116Cd(d, p), E=9, 10.5, 12 MeV; measured σ(Ep, θ); compared DWBA calculations.

doi: 10.1103/PhysRevC.12.1844
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1973CH34      Phys.Rev. C8, 1363 (1973)

K.C.Chan, G.R.Rao, B.L.Cohen, J.H.Degnan, L.Shabason

Compound-Nucleus Contribution for (p, α) Reaction from Sn and Cd Isotopes

NUCLEAR REACTIONS 106,110,112,114,116Cd, 112,114,116,118,120,122,124Sn(p, α), E=12, 17 MeV; measured σ(Eα). Deduced compound nucleus contribution.

doi: 10.1103/PhysRevC.8.1363
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1973CO01      Phys.Rev. C7, 331 (1973)

B.L.Cohen, G.R.Rao, J.H.Degnan, K.C.Chan

Reaction Mechanisms in (p, p') Reactions Exciting the High-Energy Continuum

NUCLEAR REACTIONS Ni, Cd, Sn, Au, 64Ni, 94Zr, Zr, 114,116Cd, 118,120,122,124Sn(p, p'), (d, d'), E=12, 14, 16, 17 MeV; measured σ(Ep'), σ(Ed'); deduced reaction mechanism.

doi: 10.1103/PhysRevC.7.331
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1973DE01      Phys.Rev. C7, 316 (1973)

J.H.Degnan, B.L.Cohen, G.R.Rao, K.C.Chan, L.Shabason

Inelastic Proton Scattering Angular Distributions

NUCLEAR REACTIONS 112,119,122Sn(p, p'), E=15, 17 MeV; measured σ(Ep', θ), θ(γ); deduced direct, pre-equilibrium contributions.

doi: 10.1103/PhysRevC.7.316
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1973DE44      Phys.Rev. C8, 2255 (1973)

J.H.Degnan, B.L.Cohen, G.R.Rao, K.C.Chan, L.Shabason

Gamma-Ray-Multiplicity Measurements for (α, p), (α, α'), (d, α), (p, α), (d, p), and (p, p') Reactions

NUCLEAR REACTIONS 51V, 56,57Fe(p, αγ), (d, αγ), (α, pγ), (α, α'γ), 58,64Ni, 93Nb, Ag(α, pγ), 55Mn, 59Co, 64Ni(α, α'γ), 51V, 55Mn, 56Fe, Ag, 119Sn(d, pγ), 56Fe, 112,122Sn(p, p'γ), E=12-19 MeV; measured Eγ, γ-multiplicity.

doi: 10.1103/PhysRevC.8.2255
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1973RA03      Phys.Rev. C7, 733 (1973)

G.R.Rao, B.L.Cohen, J.H.Degnan, K.C.Chan

Low-Energy Neutron Energy Spectra and the 'Inverse Reaction' Cross Section

NUCLEAR REACTIONS 91Zr, 61Ni(p, n), E=12, 13, 14 MeV; measured σ(En).

doi: 10.1103/PhysRevC.7.733
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1972DE32      Phys.Rev. C6, 248 (1972)

J.H.Degnan, B.L.Cohen, G.R.Rao, K.C.Chan

Comparison of Gamma-Ray Multiplicity for Compound-Nucleus and Direct-Reaction Mechanisms

NUCLEAR REACTIONS 60Ni, 64Ni, 106Cd, 112Sn, 116Cd, 122Sn(p, p'γ), E=12, 17 MeV; measured γ-multiplicity.

doi: 10.1103/PhysRevC.6.248
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