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Featured researches published by R.M. Steffen.


Physics Letters B | 1982

Ground-state quadrupole moments of 155, 157Gd determined with muonic X-rays

Y. Tanaka; D.B. Laubacher; R.M. Steffen; E.B. Shera; H.D. Wohlfahrt; M.V. Hoehn

Abstract The ground-state quadrupole moments of 155 Gd and 157 Gd were determined by measuring the quadrupole hyperfine-splitting energies of the M X-rays of muonic Gd atoms. The results are Q = 1.30 ± 0.02 eb for 155 Gd and Q = 1.36 ± 0.02 eb for 157 Gd.


Physical Review Letters | 1984

E 2 and E 4 Deformations in U 2 3 3 , 2 3 4 , 2 3 5 , 2 3 8

J.D. Zumbro; E.B. Shera; Y. Tanaka; C.E. Bemis; Robert A. Naumann; M.V. Hoehn; W. Reuter; R.M. Steffen

Precise intrinsic quadrupole and hexadecapole moments of


Physics Letters B | 1978

Muonic isotope shifts in the stable Ca nuclei

H.D. Wohlfahrt; E.B. Shera; M.V. Hoehn; Y. Yamazaki; G. Fricke; R.M. Steffen

^{233,phantom{rule{0ex}{0ex}}234,phantom{rule{0ex}{0ex}}235,phantom{rule{0ex}{0ex}}238}mathrm{U}


Chemical Geology | 1979

Proton induced X-ray emission (PIXE) — A new tool in geochemistry

G. Kullerud; R.M. Steffen; P.C. Simms; F.A. Rickey

have been determined from muonic


Nuclear Physics | 1972

The spin of the 1643 keV state and multipole mixing ratios of γ-transitions in 134Ba

M. Behart; R.M. Steffen; C. Telescq

K


Physics Letters B | 1984

Pionic M X-rays of 166, 168Er and 176Hf ☆

Y. Tanaka; R.M. Steffen; E.B. Shera; W. Reuter; M.V. Hoehn; J.D. Zumbro

,


Physics Letters B | 1977

Isomer shift of the 2.61 MeV gamma-ray transition in muonic 208Pb☆

E.B. Shera; M.V. Hoehn; L.K. Wagner; Y. Yamazaki; R.M. Steffen; K. S. Krane

L


Nuclear Physics | 1982

The effect of triaxially deformed nuclear charge distributions on quadrupole parameters deduced from muonic x-ray experiments☆

Y. Tanaka; R.M. Steffen

,


Archive | 1971

Gamma — Gamma Directional Correlation Measurements in 124 Te

Z. W. Grabowski; K.S. Krane; R.M. Steffen

M


Physical Review Letters | 1983

Precision muonic-atom measurements of nuclear quadrupole moments and the Sternheimer effect in rare-earth atoms

Y. Tanaka; R.M. Steffen; E.B. Shera; W. Reuter; M.V. Hoehn; J.D. Zumbro

, and

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E.B. Shera

Los Alamos National Laboratory

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M.V. Hoehn

Los Alamos National Laboratory

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W. Reuter

Los Alamos National Laboratory

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H.D. Wohlfahrt

Los Alamos National Laboratory

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