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Search: Author = J.L.Campbell

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2007JO04      Nucl.Instrum.Methods Phys.Res. B258, 299 (2007)

B.N.Jones, J.L.Campbell

L X-ray production cross-section ratios for protons incident on high-Z atoms: A test of ECPSSR theory and newly recommended vacancy de-excitation parameters

ATOMIC PHYSICS Z=74, 78, 79, 82, 90, 92; measured proton induced x-ray emission cross section ratios. Compared results to ECPSSR theory prediction.

doi: 10.1016/j.nimb.2007.01.079
Citations: PlumX Metrics


1996PA47      Nucl.Instrum.Methods Phys.Res. B114, 225 (1996)

T.Papp, J.L.Campbell

On the Accuracy of the L-Subshell Ionization Cross Sections for Proton Impact I. Spectrum Fitting

NUCLEAR REACTIONS Th(p, X), E=1 MeV; measured L X-ray spectra; deduced natural lineshape role in spectrum fitting.

ATOMIC PHYSICS Th(p, X), E=1 MeV; measured L X-ray spectra; deduced natural lineshape role in spectrum fitting.

doi: 10.1016/0168-583X(96)00144-9
Citations: PlumX Metrics


1996TO12      Nucl.Instrum.Methods Phys.Res. B114, 9 (1996)

I.Torok, T.Papp, J.Palinkas, M.Budnar, A.Muhleisen, J.Kawai, J.L.Campbell

Relative Intensity of the Kβ5 X-Ray Line

doi: 10.1016/0168-583X(96)00201-7
Citations: PlumX Metrics


1994CA24      Nucl.Instrum.Methods Phys.Res. B85, 108 (1994)

J.L.Campbell, W.J.Teesdale, J.A.Maxwell, V.M.Prozesky

Thickness Measurement of Titanium Nitride Layers on Steel using PIXE and Proton Backscattering

NUCLEAR REACTIONS Ti, N(p, p), E=2.4 MeV; measured proton enhanced, Rutherford backscattering spectra; deduced TiN layers thickness. Proton induced X-ray emission data used.

doi: 10.1016/0168-583X(94)95795-9
Citations: PlumX Metrics


1994PA17      Phys.Rev. A49, 729 (1994)

T.Papp, J.L.Campbell, S.Raman

Line-Shape Effects on the Determination of Coster-Kronig Probabilities using Si(Li) X-Ray Detectors

RADIOACTIVITY 233U(α); 157Tb(EC); measured X-ray spectra; deduced line shape effects on Coster-Kronig probabilities determination.

doi: 10.1103/PhysRevA.49.729
Citations: PlumX Metrics


1994PA18      Phys.Rev. A49, 770 (1994)

T.Papp, J.L.Campbell, S.Raman

Angular Correlation of K-L X-Ray Cascades in Gadolinium

RADIOACTIVITY 157Tb(EC); measured (K X-ray)(L X-ray)(θ); deduced angular correlation parameters for Gd.

doi: 10.1103/PhysRevA.49.770
Citations: PlumX Metrics


1993PA12      Phys.Rev. A47, 333 (1993)

T.Papp, J.A.Maxwell, W.J.Teesdale, J.L.Campbell

Inconsistent K-L X-Ray Angular Correlations in Uranium

RADIOACTIVITY 233Pa(β-); measured (X-ray)(X-ray)(θ). 233U transitions deduced angular correlation parameters.

doi: 10.1103/PhysRevA.47.333
Citations: PlumX Metrics


1992PA27      J.Phys.(London) B25, 3765 (1992)

T.Papp, J.L.Campbell

Non-Statistical Population of Magnetic Substates of the Erbium L3 Subshell in Photoionization

NUCLEAR REACTIONS Er(γ, X), E=8.904 keV; measured L X-ray spectra, I(L X-ray)(θ). Johansson-type monochromator.

ATOMIC PHYSICS Er(γ, X), E=8.904 keV; measured L X-ray spectra, I(L X-ray)(θ). Johansson-type monochromator.

doi: 10.1088/0953-4075/25/18/007
Citations: PlumX Metrics


1992RA18      Phys.Rev. C46, 2241 (1992)

S.Raman, J.L.Campbell, A.Prindle, R.Gunnink, J.C.Palathingal

Unsuitability of 157Tb for Light-Neutrino Rest-Mass Studies

RADIOACTIVITY 157Tb(EC); measured I(L X-ray), I(K X-ray); deduced Q(EC), subshell capture probability ratio, source light neutrino rest mass studies nonsuitability.

doi: 10.1103/PhysRevC.46.2241
Citations: PlumX Metrics


1991CA06      Phys.Rev. C43, 1656 (1991)

J.L.Campbell, J.A.Maxwell, W.J.Teesdale

Double K-Shell Ionization in the Electron Capture Decay of 55Fe

RADIOACTIVITY 55Fe(EC); measured X-ray spectra; deduced double K-vacancy creation probability.

ATOMIC PHYSICS 55Fe(EC); measured X-ray spectra; deduced double K-vacancy creation probability.

doi: 10.1103/PhysRevC.43.1656
Citations: PlumX Metrics


1989CA23      Nucl.Instrum.Methods Phys.Res. B43, 197 (1989)

J.L.Campbell, W.J.Teesdale, J.A.Maxwell

Foil Thickness Measurement via the Kβ/Kα Intensity Ratio of Proton-Induced X-Rays

NUCLEAR REACTIONS Ti, V, 55Mn, Cr, Fe, 59Co, Ni, Cu, Zn, Ge(p, X), E not given; analyzed I(K X-ray) ratio data; deduced foil thickness measurement possibility.

ATOMIC PHYSICS Ti, V, 55Mn, Cr, Fe, 59Co, Ni, Cu, Zn, Ge(p, X), E not given; analyzed I(K X-ray) ratio data; deduced foil thickness measurement possibility.

doi: 10.1016/0168-583X(89)90038-4
Citations: PlumX Metrics


1989CA26      At.Data Nucl.Data Tables 43, 281 (1989)

J.L.Campbell, J.-X.Wang

Interpolated Dirac-Fock Values of L-Subshell X-Ray Emission Rates Including Overlap and Exchange Effects

ATOMIC PHYSICS Z=4-94; calculated L-subshell X-ray emission rates. Interpolated Dirac-Fock values.

doi: 10.1016/0092-640X(89)90004-1
Citations: PlumX Metrics


1989CA28      Can.J.Phys. 67, 806 (1989)

J.L.Campbell

The Study of Atomic Inner Shell Transitions Using Solid State X-Ray Spectrometers

ATOMIC PHYSICS Z ≈ 50-100; compiled I(K X-ray) ratios data. Solid state energy dispersive detectors.

doi: 10.1139/p89-139
Citations: PlumX Metrics


1989CA29      Nucl.Instrum.Methods Phys.Res. B43, 490 (1989)

J.L.Campbell, J.-X.Wang, W.J.Teesdale

Compton-Scattering Contribution to Response Function of Si(Li) X-Ray Detectors

ATOMIC PHYSICS Zr, Mo, Rh, Ag, Sn, Te(p, X), E=1.31-1.93 MeV; measured K X-ray spectra. Si(Li) detector.

doi: 10.1016/0168-583X(89)90395-9
Citations: PlumX Metrics


1988CA14      Nucl.Instrum.Methods Phys.Res. B31, 518 (1988)

J.L.Campbell

Assessment of a Self-Consistent Theoretical Data Base for L X-Ray Relative Intensities in Proton-Induced X-Ray Emission Analysis

ATOMIC PHYSICS A=40-90; analyzed I X-ray, other data. Self-consistent theoretical data base.

doi: 10.1016/0168-583X(88)90449-1
Citations: PlumX Metrics


1988MC02      J.Phys.(London) B21, 2295 (1988)

P.L.McGhee, J.L.Campbell

Measurement of Coster-Kronig and Fluorescence Yields of the L2 and L3 Subshells of Heavy Atoms

ATOMIC PHYSICS Yb, Pt, Hg, Tl, Pb, Ra, U, Pu, Cm; measured resonance fluorescence yields, Coster-Kronig probability. X-ray coincidence techniques.

doi: 10.1088/0953-4075/21/12/015
Citations: PlumX Metrics


1987PE15      J.Phys.(London) B20, 4973 (1987)

A.Perujo, J.A.Maxwell, W.J.Teesdale, J.L.Campbell

Deviation of the Kβ/Kα Intensity Ratio from Theory Observed in Proton-Induced X-Ray Spectra in the 22 ≤ Z ≤ 32 Region

NUCLEAR REACTIONS Ti, Cr, Fe, Ni, Cu, Zn, Ge(p, X), E=1-2 MeV; measured K X-ray intensity ratios. Si-Li detector.

doi: 10.1088/0022-3700/20/19/010
Citations: PlumX Metrics


1986CA08      Phys.Rev. A33, 2410 (1986)

J.L.Campbell, A.Perujo, W.J.Teesdale, B.M.Milman

Kα, Kβ, and Radiative Auger Photon Intensities in K X-ray Spectra from Atoms in the 20 ≤ Z ≤ 40 Region

RADIOACTIVITY 51Cr, 54Mn, 55Fe, 57Co, 75Se(EC), 65Zn(EC), (β+); measured X-ray I(Kβ)/I(Kα) for M, N-K, L-K single vacancy transitions; deduced radiative Auger Iγ importance.

doi: 10.1103/PhysRevA.33.2410
Citations: PlumX Metrics


1986CA20      Nucl.Instrum.Methods Phys.Res. A248, 393 (1986)

J.L.Campbell, P.L.McGhee

State-of-the-Art Efficiency Determination for a Si(Li) X-Ray Detector in the 3-40 keV Energy Range

RADIOACTIVITY 51Cr, 54Mn, 57Co, 65Zn, 75Se, 85Sr, 88Y, 109Cd, 113Sn, 133Ba, 139Ce; compiled X-ray emission data; deduced I(K X-ray)/Iγ. 51Cr, 54Mn, 65Zn, 85Sr, 88Y deduced compound quantity (P(K)xOmega(K)).

doi: 10.1016/0168-9002(86)91024-7
Citations: PlumX Metrics


1984SI08      Phys.Rev.Lett. 53, 141 (1984)

J.J.Simpson, P.Jagam, J.L.Campbell, H.L.Malm, B.C.Robertson

New Limit for Neutrinoless Double β Decay of 76Ge

RADIOACTIVITY 76Ge(2β); measured neutrinoless double β-decay T1/2. Large volume Ge detector.

doi: 10.1103/PhysRevLett.53.141
Citations: PlumX Metrics


1976CA11      Z.Phys. A277, 59 (1976)

J.L.Campbell, B.Martin

Internal Conversion of the 6.2 keV Transition in 181Ta

RADIOACTIVITY 181Hf; measured ICC for 6.2-keV transition in 181Ta.

doi: 10.1007/BF01547502
Citations: PlumX Metrics


1975CA03      Nucl.Phys. A240, 1 (1975)

J.L.Campbell, P.O'Brien

K-Conversion of the M3 Transition Near Threshold Energy in 191Os

RADIOACTIVITY 191mOs[from 190Os(n, γ)]; measured absolute I(K, L X-ray); deduced ICC.

doi: 10.1016/0375-9474(75)90433-9
Citations: PlumX Metrics


1975CA15      Nucl.Instrum.Methods 125, 205 (1975)

J.L.Campbell, L.A.McNelles

An Inter-Comparison of Efficiency Calibration Techniques for Semiconductor X-Ray Detectors

COMPILATION 137Cs, 241Am, 113Sn, 88Y, 85Sr, 198Au, 22Na, 54Mn, 60Co, 139Ce, 203Hg, 65Zn, 57Co, 109Cd; compiled T1/2.

doi: 10.1016/0029-554X(75)90270-0
Citations: PlumX Metrics


1975CA41      Phys.Rev.Lett. 35, 1259 (1975)

J.L.Campbell, B.Martin, W.D.Schmidt-Ott, F.Smend, U.Raff

L3 Conversion of the 2.38-keV Isomer in 90Nb

RADIOACTIVITY 90m,94mNb(IT) [from Zr(d, X)]; measured X-ray spectra, T1/2. 90,94Nb transitions deduced ICC. Implications for previously observed chemical effects discussed.

doi: 10.1103/PhysRevLett.35.1259
Citations: PlumX Metrics


1975LA20      Phys.Rev. C12, 984 (1975); Erratum Phys.Rev. C14, 2347 (1976)

J.Law, J.L.Campbell

Mechanisms Contributing to K Electron Ejection in Nuclear β Decay

NUCLEAR STRUCTURE 3H, 6He, 32,33P, 35S, 45Ca, 63Ni, 95Nb, 114In, 89,90Sr, 90Y, 204Tl, 79Se, 107Pd, 143Pr, 147Pm, 151Sm, 169Er, 185W, 203Hg, 210Bi, 99Tc, 135Cs; calculated K-shell electron ejection probability.

doi: 10.1103/PhysRevC.12.984
Citations: PlumX Metrics


1975MA32      Z.Phys. A274, 15 (1975)

B.Martin, D.Merkert, J.L.Campbell

Intensity Ratios of L, M, N, O Subshell Conversion Electrons in M3 and M4 Transitions

RADIOACTIVITY 103mRh, 109mAg, 115mIn, 125mTe, 134mCs, 135mBa, 193mIr; measured Eγ, I(ce). 103Rh, 109Ag, 115In, 125Te, 134Cs, 135Ba, 193Ir transitions deduced δ.

doi: 10.1007/BF01421030
Citations: PlumX Metrics


1975MC12      Can.J.Phys. 53, 1349 (1975)

L.A.McNelles, J.L.Campbell, J.S.Geiger, R.L.Graham, J.S.Merritt

L Subshell Fluorescence Yields and Coster-Kronig Transitions at Z = 70

RADIOACTIVITY 171Tm; measured radiative, nonradiative de-excitation probabilities, L-fluorescent yields, ce X-ray coin.

doi: 10.1139/p75-173
Citations: PlumX Metrics


1974CA16      Nucl.Instrum.Methods 117, 519 (1974)

J.L.Campbell, L.A.McNelles

Americium-241 as a Low-Energy Photon Intensity Standard

RADIOACTIVITY 241Am; measured I(X), Iγ.

doi: 10.1016/0029-554X(74)90301-2
Citations: PlumX Metrics


1974CA29      J.Phys.(London) A7, 1451 (1974)

J.L.Campbell

The Low-Energy Gamma-Ray Spectrum of 75Se

RADIOACTIVITY 75Se; measured Eγ, Iγ. 75As deduced transitions.

doi: 10.1088/0305-4470/7/12/008
Citations: PlumX Metrics


1974LA30      Lett.Nuovo Cim. 11, 676 (1974)

J.Law, J.L.Campbell

K-Electron Shake-Off in Beta-Decay

RADIOACTIVITY 6He, 32P, 63Ni, 107Pd, 114In, 151Sm, 203Hg, 204Tl; calculated probability of K X-ray emission per β-decay.

doi: 10.1007/BF02762881
Citations: PlumX Metrics


1973LA02      Nucl.Phys. A199, 481 (1973)

J.Law, J.L.Campbell

Auto-Ionization in Electron-Capture Decay

RADIOACTIVITY 37Ar, 55Fe, 71Ge, 131Cs, 165Er; calculated autoionization probabilities, shake-off probabilities.

doi: 10.1016/0375-9474(73)90592-7
Citations: PlumX Metrics


1973MC18      Nucl.Instrum.Methods 109, 241 (1973)

L.A.McNelles, J.L.Campbell

Absolute Efficiency Calibration of Coaxial Ge(Li) Detectors for the Energy Range 160-1330 keV

RADIOACTIVITY 75Se, 133Ba, 152Eu, 169Yb; measured Eγ, Iγ.

doi: 10.1016/0029-554X(73)90268-1
Citations: PlumX Metrics


1972CA04      Amer.J.Phys. 40, 9 (1972)

J.L.Campbell, P.O'Brien, I.K.Mackenzie

An Undergraduate Experiment on Nuclear Lifetime Measurement Using the Doppler Effect

NUCLEAR REACTIONS 10B(n, α), E from 241Am/Be source; measured Doppler shift. 7Li level deduced T1/2.

doi: 10.1119/1.1986434
Citations: PlumX Metrics


1972CA07      Nucl.Instrum.Methods 98, 433 (1972)

J.L.Campbell, L.A.McNelles

Construction of Efficiency Curves for Semiconductor X-Ray Spectrometers

RADIOACTIVITY 109Cd, 139,141Ce; measured I(X-ray), Iγ, I(X-ray)/Iγ ratios.

doi: 10.1016/0029-554X(72)90225-X
Citations: PlumX Metrics


1972CA16      Nucl.Instrum.Methods 101, 153 (1972)

J.L.Campbell, L.A.McNelles

Efficiency Calibration of Semiconductor X-Ray Detectors in the Energy Range 3-200 keV

RADIOACTIVITY 109Cd, 139Ce; measured I(X-ray)/Iγ. Calibration standards; semiconductor X-ray detectors.

doi: 10.1016/0029-554X(72)90769-0
Citations: PlumX Metrics


1972CA27      Can.J.Phys. 50, 2451 (1972)

J.L.Campbell, J.Law

Inner Shell Vacancy Creation in the Beta Decays of 147Pm and 185W

RADIOACTIVITY 147Pm, 185W; measured K-, L-shell autoionization probabilities.

doi: 10.1139/p72-324
Citations: PlumX Metrics


1972LA07      Nucl.Phys. A185, 529 (1972)

J.Law, J.L.Campbell

Auto-Ionization in β-Decay: a Model Calculation

RADIOACTIVITY 3H, 6He, 32P, 35S, 63Ni, 90Sr, 90Y, 99Tc, 143Pr, 147Pm, 151Sm, 169Er, 185W, 204Tl, 210Bi; calculated K-shell autoionization probability.

doi: 10.1016/0375-9474(72)90029-2
Citations: PlumX Metrics


1972LA09      Nucl.Phys. A187, 525 (1972)

J.Law, J.L.Campbell

A Model for L-Shell Auto-Ionization in β-Decay

RADIOACTIVITY 147Pm, 185W; measured I(K X-ray), I(L X-ray); deduced K-, L-shell autoionization probability. 32P, 35S, 45Ca, 63Ni, 90Sr, 90Y, 99Tc, 143Pr, 147Pm, 151Sm, 169Er, 203Hg, 204Tl, 210Bi; calculated K-, L-shell ionization probabilities.

doi: 10.1016/0375-9474(72)90677-X
Citations: PlumX Metrics


1971CA08      Nucl.Instrum.Methods 92, 237 (1971)

J.L.Campbell, H.J.Smith, I.K.Mackenzie

A Coincidence Technique for Study of Ge(Li) Detector Profiles

RADIOACTIVITY 166Ho, 170Tm; measured I(X-ray)/Iγ ratios. 166Er, 170Yb transitions deduced ICC.

doi: 10.1016/0029-554X(71)90199-6
Citations: PlumX Metrics


1971CA11      Can.J.Phys. 49, 1066 (1971)

J.L.Campbell, P.O'Brien, L.A.McNelles

K Conversion Coefficient of the Near Threshold M3 Transition in 191Os

RADIOACTIVITY 191mOs[from 190Os(n, γ)]; measured α(K).

doi: 10.1139/p71-130
Citations: PlumX Metrics


1971CA44      Can.J.Phys. 49, 3142 (1971)

J.L.Campbell, L.A.McNelles, J.Law

K-Shell Auto-Ionization in the Beta Decays of 151Sm, 169Er, and 210Bi

RADIOACTIVITY 151Sm, 169Er, 210Bi; measured I(K X-ray)/Iγ ratios; deduced K-shell autoionization probability. Ge(Li) detector.

doi: 10.1139/p71-374
Citations: PlumX Metrics


1971LE24      Nucl.Phys. A170, 663 (1971)

K.W.D.Ledingham, J.Y.Gourlay, J.L.Campbell, M.L.Fitzpatrick, J.G.Lynch, J.McDonald

The Ratio of K-Capture to Positon Emission in the Decay of 30P

RADIOACTIVITY 30P[from 31P(γ, n)]; measured K/β+ ratio.

doi: 10.1016/0375-9474(71)90244-2
Citations: PlumX Metrics


1970CA06      Phys.Lett. 31B, 563 (1970)

J.L.Campbell

K-Shell Auto-Ionization in the Beta Decay of 210Bi

RADIOACTIVITY 210Bi; measured Iγ, I(X-ray); deduced K-shell autoionization probability.

doi: 10.1016/0370-2693(70)90693-3
Citations: PlumX Metrics


1970CA19      Nucl.Phys. A152, 631 (1970)

J.L.Campbell, R.J.Goble, H.J.Smith, O.Dragoun

Internal Conversion of M3 Isomeric Transitions in 58Co and 60Co

RADIOACTIVITY 58mCo[from 59Co(γ, n)]; measured I(X-ray), Iγ, Eγ, T1/2, ICC. 60mCo [from 59Co(n, γ)]; measured I(X-ray), Iγ, Eγ, T1/2, ICC. Ge(Li), detector.

doi: 10.1016/0375-9474(70)90937-1
Citations: PlumX Metrics


1969CA16      Can.J.Phys. 47, 1257 (1969)

J.L.Campbell, J.P.Kirk

The K-Conversion Coefficient of the 35.6 keV Transition in 115In

RADIOACTIVITY 115Cd[from 114Cd(n, γ)]; measured γγ-, X(K)γ-coin. 115In transition deduced ICC. Ge(Li) detectors.

doi: 10.1139/p69-160
Citations: PlumX Metrics


1967CA09      Nucl.Phys. A96, 279(1967)

J.L.Campbell, W.Leiper, K.W.D.Ledingham, R.W.P.Drever

The Ratio of K-Capture to Positon Emission in the Decay of 11C

RADIOACTIVITY 11C [from 12C(γ, n)]; measured K/β+.

doi: 10.1016/0375-9474(67)90712-9
Citations: PlumX Metrics


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