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NSR database version of April 11, 2024.

Search: Author = D.D.Hoppes

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1999WI01      Phys.Rev. C59, 528 (1999)

F.E.Wietfeldt, F.J.Schima, B.M.Coursey, D.D.Hoppes

Long-Term Measurement of the Half-Life of ⁴⁴Ti

RADIOACTIVITY ⁴⁴Ti(EC); measured T_1/2. Twenty year measurement period.

doi: 10.1103/PhysRevC.59.528
Citations: PlumX Metrics

1992CO11      Nucl.Instrum.Methods Phys.Res. A312, 121 (1992)

B.M.Coursey, D.B.Golas, D.H.Gray, D.D.Hoppes, F.J.Schima

Liquid-Scintillation Standardization of ^123mTe

RADIOACTIVITY ^123mTe(IT) [from ¹²²Te neutron irradiation]; measured γ-spectra, T_1/2; deduced γ-ray probability per decay. Liquid scintillation system, calibrated Ge γ-ray spectrometers.

doi: 10.1016/0168-9002(92)90140-Y
Citations: PlumX Metrics

1992UN01      Nucl.Instrum.Methods Phys.Res. A312, 349 (1992)

M.P.Unterweger, D.D.Hoppes, F.J.Schima

New and Revised Half-Life Measurements Results

RADIOACTIVITY ⁶⁰Co(β^-); ¹³⁷Cs(β^-); ⁸⁵Kr(β^-); ²²Na(β⁺), ¹³³Ba(EC); ²⁰⁷Bi(EC), (β⁺); ¹²⁵Sb(β^-); ¹⁵²Eu(EC)(β⁺); ¹⁵⁴Eu(EC), (β^-), (β^-), (β⁺); ¹⁵⁵Eu(β^-); measured T_1/2; deduced revised T_1/2. Comparison with recommended values.

doi: 10.1016/0168-9002(92)90180-C
Citations: PlumX Metrics

1991CO17      Appl.Radiat.Isot. 42, 865 (1991)

B.M.Coursey, J.Cessna, E.Garcia-Torano, D.B.Golas, A.Grau Malonda, D.H.Gray, D.D.Hoppes, J.M.Los Arcos, M.T.Martin-Casallo, F.J.Schima, M.P.Unterweger

The Standardization and Decay Scheme of Rhenium-186

RADIOACTIVITY ¹⁸⁶Re(β^-), (EC) [from reactor irradiation of ¹⁸⁵Re]; measured T_1/2, photon emission rates; deduced source standardization. ¹⁸⁶Os transition deduced γ-emission probability. Pressurized ionization chamber.

doi: 10.1016/0883-2889(91)90226-Q
Citations: PlumX Metrics

1990CO07      Appl.Radiat.Isot. 41, 289 (1990)

B.M.Coursey, D.D.Hoppes, A.T.Hirshfeld, S.M.Judge, D.H.Woods, M.J.Woods, E.Funck, H.Schrader, A.G.Tuck

Standardization and Decay Scheme of ²⁰¹Tl

RADIOACTIVITY ²⁰¹Tl; measured γ(ce)-coin. ²⁰¹Hg level deduced γ-emission probabilites. Intercomparison of different laboratories data, standardization.

doi: 10.1016/0883-2889(90)90193-K
Citations: PlumX Metrics

1988BA60      Appl.Radiat.Isot. 39, 1131 (1988)

C.Ballaux, B.M.Coursey, D.D.Hoppes

¹⁰⁹Pd and ¹⁰⁹Cd Activity Standardization and Decay Data

RADIOACTIVITY ¹⁰⁹Cd(EC); measured γ-spectra, I(ce), (ce)-, γ-emission rates; ¹⁰⁹Pd(β^-); measured T_1/2, γ-spectra; deduced activity standardization, γ-emission rate ratio. ¹⁰⁹Ag transition deduced ICC, γ-ray emission probability.

doi: 10.1016/0883-2889(88)90006-8
Citations: PlumX Metrics

1987CO04      Appl.Radiat.Isot. 38, 31 (1987)

B.M.Coursey, D.D.Hoppes, F.J.Schima, M.P.Unterweger

The Standardization of Samarium-153

RADIOACTIVITY ¹⁵³Sm(β^-); measured T_1/2, probability per decay for 103.2 keV γ-ray. 4π β liquid scintillation counter.

doi: 10.1016/0883-2889(87)90232-2
Citations: PlumX Metrics

1987HO06      Appl.Radiat.Isot. 38, 195 (1987)

D.D.Hoppes, B.M.Coursey, F.J.Schima, D.Yang

National Bureau of Standards Decay-Scheme Investigations of Strontium-82 - Rubidium-82

RADIOACTIVITY ⁸²Sr(EC); measured T_1/2. ⁸²Rb(β⁺), (EC) [from ⁸²Sr decay]; measured γ, β⁺ emission rates. ⁸²Kr deduced transition probability per decay.

doi: 10.1016/0883-2889(87)90088-8
Citations: PlumX Metrics

1983CO20      Int.J.Appl.Radiat.Isotop. 34, 1181 (1983)

B.M.Coursey, D.D.Hoppes, M.P.Unterweger, A.Grau Malonda, R.A.Margolin, R.M.Kessler, R.Manning

Standardization of ¹⁸F for Use in Positron-Emission Tomography

RADIOACTIVITY ¹⁸F(β⁺), (EC) [from ²⁰Ne(d, α), E=22 MeV]; measured β⁺ emission rates. 4π β liquid scintillator, 4π γ ionization chamber, source standardization, ²²Na calibration.

doi: 10.1016/0020-708X(83)90186-2
Citations: PlumX Metrics

1982CO05      Nucl.Instrum.Methods 193, 1 (1982)

B.M.Coursey, D.D.Hoppes, F.J.Schima

Determination of the Photon Emission Rates of the NBS Long-Lived Mixed-Radionuclide Standard

RADIOACTIVITY ¹²⁵Sb, ^154,155Eu; measured Eγ, Iγ, E(X-ray), I(X-ray); deduced photon, X-ray emission rates. Separated, mixed sources.

doi: 10.1016/0029-554X(82)90664-4
Citations: PlumX Metrics

1970HI12      Phys.Rev. C2, 2341 (1970)

A.T.Hirshfeld, D.D.Hoppes

Transition Mixing Ratios Determined from a Study of the Electron and Gamma-Ray Distributions from Oriented ¹⁹²Ir

RADIOACTIVITY ¹⁹²Ir;(oriented) measured Iγ(θ), Iβ(θ). ¹⁹²Os, ¹⁹²Pt transitions deduced γ-mixing ratios.

doi: 10.1103/PhysRevC.2.2341
Citations: PlumX Metrics

1962SC11      J.Res.Nat.Bur.Std. 66A, 317 (1962)

J.F.Schooley, D.D.Hoppes, A.T.Hirshfeld

The Gamma-Ray Distribution from Oriented Cerium-141

NUCLEAR STRUCTURE ¹⁴¹Ce; measured not abstracted; deduced nuclear properties.

doi: 10.6028/jres.066A.031
Citations: PlumX Metrics

1961HA03      Bull.Am.Phys.Soc. 6, No.1, 71, XA4 (1961)

R.W.Hayward, E.Ambler, D.D.Hoppes, R.S.Kaeser

Nuclear Matrix Elements in the Forbidden Beta Decay of Ce¹⁴¹

NUCLEAR STRUCTURE ¹⁴¹Ce; measured not abstracted; deduced nuclear properties.

1961HA48      Proc.Rutherford Jubilee Intern.Conf., Manchester, England, J.B.Birks, Ed., Academic Press Inc., New York, p.725 (1961)

R.W.Hayward, D.D.Hoppes

Relativistic Matrix Elements and the Velocity Dependence of Nuclear Potentials

NUCLEAR STRUCTURE ¹⁴¹Ce; measured not abstracted; deduced nuclear properties.

1961HO02      Bull.Am.Phys.Soc. 6, No.1, 71, XA3 (1961)

D.D.Hoppes, E.Ambler, R.W.Hayward, R.S.Kaeser

Angular Distribution of Beta Radiation from Oriented Ce¹⁴¹

NUCLEAR STRUCTURE ¹⁴¹Ce; measured not abstracted; deduced nuclear properties.

1961HO03      Phys.Rev.Letters 6, 115 (1961)

D.D.Hoppes, E.Ambler, R.W.Hayward, R.S.Kaeser

Matrix Elements in the Forbidden Beta Decay of Ce¹⁴¹

NUCLEAR STRUCTURE ¹⁴¹Ce; measured not abstracted; deduced nuclear properties.

doi: 10.1103/PhysRevLett.6.115
Citations: PlumX Metrics

1959HA10      Nuovo Cimento 11, 153 (1959)

R.W.Hayward, E.Farrelly-Pessoa, D.D.Hoppes, R.van Lieshout

Gamma Radiation from ⁶³Zn

doi: 10.1007/BF02859709
Citations: PlumX Metrics

1958AM11      Physica 24, Suppl., p.64 (1958)

E.Ambler, R.W.Hayward, D.D.Hoppes, R.P.Hudson

1958AM12      Phys.Rev. 110, 787 (1958)

E.Ambler, R.W.Hayward, D.D.Hoppes, R.P.Hudson

Beta-Gamma Correlations from Polarized Manganese-52

doi: 10.1103/PhysRev.110.787
Citations: PlumX Metrics

1957AM51      Phys.Rev. 108, 503 (1957)

E.Ambler, R.W.Hayward, D.D.Hoppes, R.P.Hudson

Absence of Interference Effects in the β Decay of Polarized Co⁵⁶ and Co⁵⁸ Nuclei

doi: 10.1103/PhysRev.108.503
Citations: PlumX Metrics

1957AM58      Phys.Rev. 106, 1361 (1957)

E.Ambler, R.W.Hayward, D.D.Hoppes, R.P.Hudson, C.S.Wu

Further Experiments on β Decay of Polarized Nuclei

doi: 10.1103/PhysRev.106.1361
Citations: PlumX Metrics

1957WU38      Phys.Rev. 105, 1413 (1957)

C.S.Wu, E.Ambler, R.W.Hayward, D.D.Hoppes, R.P.Hudson

Experimental Test of Parity Conservation in Beta Decay

doi: 10.1103/PhysRev.105.1413
Citations: PlumX Metrics

1956HA05      Bull.Am.Phys.Soc. 1, No.1, 42, K4 (1956)

R.W.Hayward, D.D.Hoppes

Gamma Radiation from the Disintegration of Silver 105

1956HA10      Phys.Rev. 101, 93 (1956)

R.W.Hayward, D.D.Hoppes

Disintegration of Selenium-73

doi: 10.1103/PhysRev.101.93
Citations: PlumX Metrics

1956HA59      Phys.Rev. 104, 183 (1956)

R.W.Hayward, D.D.Hoppes

Radiative Orbital Electron Capture in Vanadium-49

doi: 10.1103/PhysRev.104.183
Citations: PlumX Metrics

1956HO66      Phys.Rev. 104, 368 (1956)

D.D.Hoppes, R.W.Hayward

Radiative Electron Capture in Cesium-131

doi: 10.1103/PhysRev.104.368
Citations: PlumX Metrics

1955HA09      J.Research Natl.Bur.Standards 54, 47 (1955)

R.W.Hayward, D.D.Hoppes, W.B.Mann

Branching Ratio in the Decay of Polonium-210

doi: 10.6028/jres.054.006
Citations: PlumX Metrics

1955HA23      Phys.Rev. 98, 231A (1955)

R.W.Hayward, D.D.Hoppes, H.Ernst

Disintegration of Niobium-91 and -92

doi: 10.1103/PhysRev.98.231A
Citations: PlumX Metrics

1955HA85      Phys.Rev. 98, 1172, MA2 (1955)

R.W.Hayward, D.D.Hoppes

The Disintegration of Selenium-73

RADIOACTIVITY ⁷³Se(EC), (β⁺); measured decay products, Eγ, Iγ. ⁷³As; deduced level scheme, J, π, T_1/2.

1954HA05      Phys.Rev. 93, 916A (1954)

R.W.Hayward, D.D.Hoppes, H.Ernst

Disintegration of the 10-Year Ba¹³³

doi: 10.1103/PhysRev.93.916A
Citations: PlumX Metrics

1954HA71      Phys.Rev. 93, 916 (C8) (1954)

R.W.Hayward, D.D.Hoppes, H.Ernst

Disintegration of the 10-Year Ba¹³³

RADIOACTIVITY ¹³³Ba(EC); measured decay products, Eγ, Iγ; deduced γ-ray energies and relative intensities, partial level scheme.