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NSR database version of April 29, 2024.

Search: Author = M.H.Putnam

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1997GR09      Nucl.Instrum.Methods Phys.Res. A390, 95 (1997)

R.C.Greenwood, R.G.Helmer, M.H.Putnam, K.D.Watts

Measurement of β^--Decay Intensity Distributions of Several Fission-Product Isotopes using a Total Absorption γ-Ray Spectrometer

RADIOACTIVITY ^138mCs, ^90mRb(β^-), (IT); ^89,91,93,90Rb(β^-); ^93,94,95Sr, ^94,95Y, ^{138,139,140,141}Cs, ^{141,142,145,143,144}Ba, ^{142,143,144,145}La, ^{145,146,147,148}Ce, ^146,147,148Pr, ^{154,155,149,151,152,153}Nd, ^{152,153,154,155,156,157}Pm, ^157,158Sm, ¹⁵⁸Eu(β^-); measured Eβ, Iβ; deduced Iβ distributions. Total absorption γ-ray spectrometer. Sources from ²⁵²Cf(SF-decay).

doi: 10.1016/S0168-9002(97)00356-2
Citations: PlumX Metrics

1996GR20      Nucl.Instrum.Methods Phys.Res. A378, 312 (1996)

R.C.Greenwood, M.H.Putnam, K.D.Watts

Ground-State β^--Branching Intensities of Several Fission-Product Isotopes Measured using a Total Absorption γ-Ray Spectrometer

RADIOACTIVITY ^89,90,91,93Rb, ^93,94Sr, ^94,95Y, ¹⁴⁰Cs, ^{142,143,144,145}La, ^143,144,145Ba, ¹⁴⁰Cs, ^146,147,148Ce, ^{146,147,148,149,151}Pr, ^{149,151,153,155}Nd, ^152,157Pm, ^157,158Sm, ¹⁵⁸Eu(β^-) [from ²⁵²Cf fission decay]; measured ground state β^--branching intensities. Total absorption γ-ray spectrometer, 4πβγ-coincidence mode.

doi: 10.1016/0168-9002(96)00209-4
Citations: PlumX Metrics

1995GR19      Nucl.Instrum.Methods Phys.Res. A356, 385 (1995)

R.C.Greenwood, M.H.Putnam, K.D.Watts

Measurement of Ground-State β^--Branching Intensities of Deformed Rare-Earth Nuclides using a Total Absorption γ-Ray Spectrometer

RADIOACTIVITY ^153,154Nd, ^{153,154,155,156,157}Sm(β^-); measured ground state β^--branching Iβ. Total absorption γ-ray spectrometer, 4π γβ-coincidence model.

doi: 10.1016/0168-9002(94)01323-3
Citations: PlumX Metrics

1994GE13      Nucl.Instrum.Methods Phys.Res. A353, 109 (1994)

R.J.Gehrke, K.D.Watts, E.W.Killian, M.H.Putnam, R.G.Helmer

PASS, an Extended-Range Ge Spectrometer for Radionuclide Analysis Via L X-, γ-Ray Spectrometry

RADIOACTIVITY ²³⁹Pu, ²⁴¹Am(α); ⁶⁰Co, ¹³⁷Cs(β^-); analyzed data; deduced extended range Ge spectrometer characteristics for radionuclide analysis.

doi: 10.1016/0168-9002(94)91614-4
Citations: PlumX Metrics

1994HE26      Nucl.Instrum.Methods Phys.Res. A351, 406 (1994); Erratum Nucl.Instrum.Methods Phys.Res. A361, 628 (1995)

R.G.Helmer, M.H.Putnam, R.C.Greenwood, H.Willmes

Methodology for the Measurement of β^--Decay Intensity Distributions from the Analysis of Total Absorption γ-Ray Spectra

RADIOACTIVITY ⁹⁰Sr(β^-); ¹⁰⁶Ru(β^-); measured βγ-coin. ¹⁴¹Cs(β^-); measured Eγ, Iγ, βγ-coin; deduced Iβ distributions. Total absorption γ-spectrometer.

doi: 10.1016/0168-9002(94)91370-6
Citations: PlumX Metrics

1994HE33      Nucl.Instrum.Methods Phys.Res. A339, 189 (1994)

R.G.Helmer, R.C.Greenwood, K.D.Watts, M.H.Putnam

Beta-Particle Feeding Distributions for ^138-141Cs from Total Absorption Gamma-Ray Spectrometer (TAGS)

RADIOACTIVITY ^138mCs(IT), (β^-); ^{138,139,140,141}Cs(β^-); measured γγ-coin, sum spectra. ^{138,139,140,141}Cs levels deduced β-feeding distribution.

doi: 10.1016/0168-9002(94)91803-1
Citations: PlumX Metrics

1994HE45      Nucl.Instrum.Methods Phys.Res. A353, 222 (1994)

R.G.Helmer, R.C.Greenwood, M.H.Putnam, K.D.Watts

Beta-Decay Intensity Distributions for the Fission Products ¹³⁹Cs and ¹⁴⁰Cs Measured with a Total Absorption γ-Ray Spectrometer

RADIOACTIVITY ^140,139Cs(β^-) [from ²⁵²Cf(SF)]; measured Eγ, Iγ, βγ-coin, Iβ, Eβ; deduced Iβ. Total absorption γ-spectrometer.

doi: 10.1016/0168-9002(94)91643-8
Citations: PlumX Metrics

1993GR17      Nucl.Instrum.Methods Phys.Res. A337, 106 (1993)

R.C.Greenwood, M.H.Putnam

Measurement of β^- End-Point Energies Using a Ge Detector with Monte Carlo Generated Response Functions

RADIOACTIVITY ³²P, ⁹⁰Y, ¹⁴⁰Cs, ¹⁵¹Pr, ^155,153Nd, ^154,155,153Pm, ^155,157,158Sm(β^-); measured β^--endpoint energies; deduced Qβ. βγ-coincidence spectrometer, fission product sources, Monte Carlo generated response functions.

doi: 10.1016/0168-9002(93)91142-A
Citations: PlumX Metrics

1992GR18      Nucl.Instrum.Methods Phys.Res. A314, 514 (1992)

R.C.Greenwood, R.G.Helmer, M.A.Lee, M.H.Putnam, M.A.Oates, D.A.Struttmann, K.D.Watts

Total Absorption Gamma-Ray Spectrometer for Measurement of Beta-Decay Intensity Distributions for Fission Product Radionuclides

RADIOACTIVITY ¹³⁷Cs(β^-), ²⁴Na(β^-), ⁶⁰Co(β^-), ^110mAg(β^-), (IT); measured Eγ, Iγ. ¹⁴¹Ba(β^-); ^140,139Cs(β^-); measured γ-, β-spectra, βγ-coin. Fission products, total absorption γ-ray spectrometer.

doi: 10.1016/0168-9002(92)90243-W
Citations: PlumX Metrics

1972HE25      ANCR-1043 (1972)

R.G.Helmer, M.H.Putnam

Gauss V. A Computer Program for the Analysis of Gamma-Ray Spectra from Ge(Li) Spectrometers