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Search: Author = R.M.Steffen

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1985ST28      Hyperfine Interactions 24, 223 (1985)

R.M.Steffen

Precision Measurements of Nuclear Quadrupole Moments by Muonic X-Rays

ATOMIC PHYSICS, Mesic-Atoms ^151,153Eu, ^155,157Gd, ¹⁵⁹Tb, ¹⁶³Dy, ¹⁶⁷Er, ^177,179Hf, ^191,193Ir; measured muonic X-rays.

NUCLEAR MOMENTS ^151,153Eu, ^155,157Gd, ¹⁵⁹Tb, ¹⁶³Dy, ¹⁶⁷Er, ^177,179Hf, ^191,193Ir; measured muonic hfs, X-rays; deduced ground state quadrupole moment. High precision.

doi: 10.1007/BF02354813
Citations: PlumX Metrics

1984TA04      Phys.Rev. C29, 1830 (1984)

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

Systematics of Ground-State Quadrupole Moments of Odd-A Deformed Nuclei Determined with Muonic M X Rays

NUCLEAR MOMENTS ^151,153Eu, ¹⁵⁹Tb, ¹⁶³Dy, ¹⁶⁷Er, ^177,179Hf, ^191,193Ir; measured muonic hfs, E(M X-ray), I(M X-ray); deduced ground state quadrupole moments, β₂. ^151,153Eu deduced large deformation change.

ATOMIC PHYSICS, Mesic-Atoms ^151,153Eu, ¹⁵⁹Tb, ¹⁶³Dy, ¹⁶⁷Er, ^177,179Hf, ^191,193Ir; measured muonic hfs, E(M X-ray), I(M X-ray); deduced implication on Steinheimer correction factors.

doi: 10.1103/PhysRevC.29.1830
Citations: PlumX Metrics

1984TA05      Phys.Rev. C29, 1897 (1984)

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

Measurement and Analysis of the Muonic X Rays of ¹⁵¹Eu and ¹⁵³Eu

ATOMIC PHYSICS, Mesic-Atoms ^151,153Eu; measured muonic E(K X-ray), I(K X-ray), E(L X-ray), I(L X-ray); deduced isotope, isomer shifts, monopole, quadrupole charge parameters.

NUCLEAR MOMENTS ^151,153Eu; measured muonic X-rays; deduced isotope, isomer shifts, monopole, quadrupole charge parameters. ^151,153Eu levels deduced quadrupole moments, B(E2).

doi: 10.1103/PhysRevC.29.1897
Citations: PlumX Metrics

1984TA10      Phys.Rev. C30, 350 (1984)

T.Tanaka, R.M.Steffen, E.B.Shera, W.Reuter, M.V.Hoehn, J.D.Zumbro

Measurement and Analysis of Muonic X Rays of ^{176,177,178,179,180}Hf

ATOMIC PHYSICS, Mesic-Atoms ^{176,177,178,179,180}Hf; measured muonic X-rays.

NUCLEAR MOMENTS ^{176,177,178,179,180}Hf; measured muonic E X-ray, I X-ray; deduced monopole, quadrupole charge distributions, isotope shifts, rms radii. ^{176,177,178,179,180}Hf level deduced isomer shift, quadrupole moment, B(E2). Axially symmetric rotor model comparison.

doi: 10.1103/PhysRevC.30.350
Citations: PlumX Metrics

1984TA16      Phys.Lett. 143B, 347 (1984)

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

Pionic M X-Rays of ^166,168Er and ¹⁷⁶Hf

NUCLEAR REACTIONS ^166,168Er, ¹⁷⁶Hf(π, X), E at rest; measured M X-rays.

ATOMIC PHYSICS, Mesic-Atoms ^166,168Er, ¹⁷⁶Hf; measured pionic X-rays; deduced strong interaction shifts, widths.

doi: 10.1016/0370-2693(84)91480-1
Citations: PlumX Metrics

1984ZU02      Phys.Rev.Lett. 53, 1888 (1984)

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

E2 and E4 Deformations in ^{233,234,235,238}U

NUCLEAR MOMENTS ^{233,234,235,238}U; measured muonic X-rays. ^234,238U deduced intrinsic quadrupole, hexadecapole moments, charge distribution parameters, rms radii. ^233,235U deduced intrinsic quadrupole, hexadecapole moments, charge distribution parameters, B(E2).

ATOMIC PHYSICS, Mesic-Atoms ^{233,234,235,238}U; measured muonic X-rays.

doi: 10.1103/PhysRevLett.53.1888
Citations: PlumX Metrics

1983LA08      Phys.Rev. C27, 1772 (1983)

D.B.Laubacher, Y.Tanaka, R.M.Steffen, E.B.Shera, M.V.Hoehn

Muonic X-ray Measurement of the Monopole and Quadrupole Charge Parameters of ^154-158,160Gd

NUCLEAR MOMENTS ^{154,155,156,157,158,160}Gd; measured muonic E(X-ray), I(X-ray); deduced monopole, quadrupole charge distribution parameters. ^{154,155,156,157,158,160}Gd deduced quadrupole moments, isomer, isotope shifts, rms radii, B(λ).

ATOMIC PHYSICS, Mesic-Atoms ^{154,155,156,157,158,160}Gd; measured muonic E(X-ray), I(X-ray); deduced nuclear charge distribution parameters.

doi: 10.1103/PhysRevC.27.1772
Citations: PlumX Metrics

1983TA14      Phys.Rev.Lett. 51, 1633 (1983)

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

Precision Muonic-Atom Measurements of Nuclear Quadrupole Moments and the Sternheimer Effect in Rare-Earth Atoms

ATOMIC PHYSICS, Mesic-Atoms ^151,153Eu, ^155,157Gd, ¹⁵⁹Tb, ¹⁶³Dy, ¹⁶⁷Er, ^177,179Hf, ^191,193Ir; measured muonic X-rays, hfs; deduced 4f, 5d, 6p electronic state Sternheimer shielding factors.

NUCLEAR MOMENTS ^151,153Eu, ^155,157Gd, ¹⁵⁹Tb, ¹⁶³Dy, ¹⁶⁷Er, ^177,179Hf, ^191,193Ir; measured muonic X-rays, hfs; deduced quadrupole moments.

doi: 10.1103/PhysRevLett.51.1633
Citations: PlumX Metrics

1982HO14      Phys.Rev. C26, 2242 (1982)

M.V.Hoehn, E.B.Shera, R.M.Steffen

Muonic Isomer Shifts of the 803- and 2648-keV States in ²⁰⁶Pb

NUCLEAR MOMENTS ²⁰⁶Pb; measured muonic X-rays. ²⁰⁶Pb levels deduced isomer shift, rms radius differences.

doi: 10.1103/PhysRevC.26.2242
Citations: PlumX Metrics

1982TA01      Phys.Lett. 108B, 8 (1982)

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

Ground-State Quadrupole Moments of ^155,157Gd Determined with Muonic X-Rays

NUCLEAR MOMENTS ^155,157Gd; measured muonic X-rays, hyperfine splittings; deduced quadrupole moments.

doi: 10.1016/0370-2693(82)91131-5
Citations: PlumX Metrics

1982TA12      Nucl.Phys. A382, 513 (1982)

Y.Tanaka, R.M.Steffen

The Effect of Triaxially Deformed Nuclear Charge Distributions on Quadrupole Parameters Deduced from Muonic X-Ray Experiments

ATOMIC PHYSICS, Mesic-Atoms ¹⁹²Os(μ^-, X), E at rest; analyzed muonic X-ray data; deduced no charge distribution deformation effects on quadrupole moments.

doi: 10.1016/0375-9474(82)90358-X
Citations: PlumX Metrics

1981HO22      Phys.Rev. C24, 1667 (1981)

M.V.Hoehn, E.B.Shera, H.D.Wohlfahrt, Y.Yamazaki, R.M.Steffen, R.K.Sheline

Muonic X-Ray Study of the Even Os Nuclei

ATOMIC PHYSICS, Mesic-Atoms ^{186,188,190,192}Os; measured muonic X-rays; deduced monopole, quadrupole charge parameters, isotope, isomer shifts.

doi: 10.1103/PhysRevC.24.1667
Citations: PlumX Metrics

1981WO02      Phys.Rev. C23, 533 (1981)

H.D.Wohlfahrt, E.B.Shera, M.V.Hoehn, Y.Yamazaki, R.M.Steffen

Nuclear Charge Distributions in 1f_7/2-Shell Nuclei from Muonic X-Ray Measurements

ATOMIC PHYSICS, Mesic-Atoms ^39,41K, ^{40,42,43,44,46,48}Ca, ⁴⁵Sc, ^{46,47,48,49,50}Ti, ⁵¹V, ^50,52,53,54Cr, ⁵⁵Mn, ⁵⁶Fe; measured muonic E(X-ray), I(X-ray); deduced nuclear charge radii, isotope, isotone shifts.

doi: 10.1103/PhysRevC.23.533
Citations: PlumX Metrics

1979YA05      Phys.Rev.Lett. 42, 1470 (1979)

Y.Yamazaki, H.D.Wohlfahrt, E.B.Shera, M.V.Hoehn, R.M.Steffen

Discepancy between Theory and Experiment in Nuclear Polarization Corrections of Muonic ²⁰⁸Pb

NUCLEAR STRUCTURE, Mesic-Atoms ²⁰⁸Pb; analyzed electron scattering, muonic X-ray data; deduced nuclear-polarization correction for muonic ²⁰⁸Pb.

doi: 10.1103/PhysRevLett.42.1470
Citations: PlumX Metrics

1979YA10      J.Phys.Soc.Jpn. 47, 695 (1979)

Y.Yamazaki, E.B.Shera, M.V.Hoehn, H.D.Wohlfahrt, R.M.Steffen

The Spin-Expansion Hamiltonian and Quadrupole Moments of the Even Os Nuclei

NUCLEAR STRUCTURE ^{186,188,190,192}Os; calculated B(E2), quadrupole moment. Phemenological spin-expansion Hamiltonian.

doi: 10.1143/JPSJ.47.695
Citations: PlumX Metrics

1978WO03      Phys.Lett. 73B, 131 (1978)

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

Muonic Isotope Shifts in the Stable Ca Nuclei

ATOMIC PHYSICS ^{43,40,42,44,46,48}Ca; measured isotope shift in muonic atoms.

doi: 10.1016/0370-2693(78)90816-X
Citations: PlumX Metrics

1978YA11      Phys.Rev. C18, 1474 (1978)

Y.Yamazaki, E.B.Shera, M.V.Hoehn, R.M.Steffen

Measurement and Model-Independent Analysis of the X Rays of Muonic ¹⁵⁰Sm and ¹⁵²Sm

NUCLEAR REACTIONS ^150,152Sm(μ^-, X-ray), E=0 MeV; measured muonic X-rays. ^150,152Sm deduced charge parameters, isotope, isomer shift, B(E2), β₂, β₄, quadrupole moment.

doi: 10.1103/PhysRevC.18.1474
Citations: PlumX Metrics

1977HO23      Phys.Rev.Lett. 39, 1313 (1977)

M.V.Hoehn, E.B.Shera, Y.Yamazaki, R.M.Steffen

Electromagnetic Moments of the Even Os Nuclei from Muonic X Rays

NUCLEAR REACTIONS ^{186,188,190,192}Os(μ^-, X-ray), E ≈ 0 MeV; measured muonic X-ray spectra. ^{186,188,190,192}Os levels deduced B(E2), quadrupole moment.

doi: 10.1103/PhysRevLett.39.1313
Citations: PlumX Metrics

1977SH07      Phys.Lett. 67B, 26 (1977)

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

Isomer Shift of the 2.61 MeV Gamma-Ray Transition in Muonic ²⁰⁸Pb

NUCLEAR REACTIONS ²⁰⁸Pb(μ^-, γ), E ≈ 0 MeV; measured Iγ, Eγ, X-ray spectra. ²⁰⁸Pb level deduced isomer shift.

doi: 10.1016/0370-2693(77)90795-X
Citations: PlumX Metrics

1976SH21      Phys.Rev. C14, 731 (1976)

E.B.Shera, E.T.Ritter, R.B.Perkins, G.A.Rinker, L.K.Wagner, H.D.Wohlfahrt, G.Fricke, R.M.Steffen

Systematics of Nuclear Charge Distributions in Fe, Co, Ni, Cu, and Zn Deduced from Muonic X-Ray Measurements

NUCLEAR REACTIONS ^54,56,57,58Fe, ⁵⁹Co, ^{58,60,61,62,64}Ni, ^63,65Cu, ^64,66,68,70Zn(μ^-, X-ray); measured muonic X-rays. ^54,56,57,58Fe, ⁵⁹Co, ^{58,60,61,62,64}Ni, ^63,65Cu, ^64,66,68,70Zn deduced nuclear charge parameters; isotope, isotone shift.

doi: 10.1103/PhysRevC.14.731
Citations: PlumX Metrics

1975SH03      Phys.Rev.Lett. 34, 535 (1975)

E.B.Shera, E.T.Ritter, G.A.Rinker, Jr., M.J.Bennett, R.B.Perkins, H.D.Wohlfahrt, G.Fricke, L.K.Wagner, P.Kleinheinz, R.K.Sheline, R.M.Steffen, J.W.Negele

Muonic Isotope Shifts in the Even Fe Nuclei

ATOMIC PHYSICS ^54,56,58Fe; measured muonic isotope shift.

doi: 10.1103/PhysRevLett.34.535
Citations: PlumX Metrics

1974GR04      Phys.Rev.Lett. 32, 677 (1974)

J.A.Grau, Z.W.Grabowski, F.A.Rickey, P.C.Simms, R.M.Steffen

Measurements of Directional Correlation from Oriented Nuclei (DCO) and the Band Structure in ¹⁰²Pd

NUCLEAR REACTIONS ⁹²Zr(¹³C, 3nγ), E=51 MeV; measured γγ(θ). ¹⁰²Pd deduced γ-mixing, J, π.

doi: 10.1103/PhysRevLett.32.677
Citations: PlumX Metrics

1974SI02      Phys.Rev. C9, 684 (1974)

P.C.Simms, G.J.Smith, F.A.Rickey, J.A.Grau, J.R.Tesmer, R.M.Steffen

Collective Excitation of ¹⁰¹Pd Following (Heavy Ion, xn) Reactions

NUCLEAR REACTIONS ⁹⁹Ru(α, 2nγ), E=16-24 MeV; ⁹²Zr(¹²C, 3nγ), E=45-56 MeV; ⁸⁸Sr(¹⁶O, 3nγ), E=56-64 MeV; measured σ(E)γ, γ-γcoin, σ(θ)γ, linear p; ¹⁰¹Pd deduced levels, J, π.

doi: 10.1103/PhysRevC.9.684
Citations: PlumX Metrics

1973BE02      Phys.Rev. C7, 788 (1973)

M.Behar, R.M.Steffen

Time-Differential Quadrupole Interaction of ¹¹¹Cd Nuclei Implanted by (α, 2n) Reactions into a Cubic Ag Lattice

RADIOACTIVITY ¹¹¹In; measured γγ(θ, t) in Ag; deduced quadrupole interaction frequency.

doi: 10.1103/PhysRevC.7.788
Citations: PlumX Metrics

1973BE08      Nucl.Phys. A201, 126 (1973)

M.Behar, K.S.Krane, R.M.Steffen, M.E.Bunker

The Spin and Parity of the 1771.2 keV Excited State of ¹⁰⁸Pd

RADIOACTIVITY ^108mAg[from ¹⁰⁷Ag(n, γ)]; measured Eγ, γγ-coin, γγ(θ), γγγ(θ(1)), γγ(90° L(p))(linear-polarization correlation). ¹⁰⁸Pd deduced levels, J, π, multipolarities. Isotopically separated sample; Ge(Li), NaI(Tl) detectors.

doi: 10.1016/0375-9474(73)90692-1
Citations: PlumX Metrics

1973KR25      Nucl.Data Tables 11, 351 (1973)

K.S.Krane, R.M.Steffen, R.M.Wheeler

Directional correlations of gamma radiations emitted from nuclear states oriented by nuclear reactions or cryogenic methods

doi: 10.1016/S0092-640X(73)80016-6
Citations: PlumX Metrics

1973SI09      Phys.Rev. C7, 1631 (1973)

P.C.Simms, R.Anderson, F.A.Rickey, G.Smith, R.M.Steffen, J.R.Tesmer

Level Structure of ¹⁰²Pd Investigated by (α, xn;γ) Reactions

NUCLEAR REACTIONS ⁹⁹Ru(α, nγ), E=16-20 MeV; measured Eγ, Iγ, γγ-coin, Iγ(θ). ¹⁰²Pd deduced levels, J, π.

doi: 10.1103/PhysRevC.7.1631
Citations: PlumX Metrics

1972BE41      Nucl.Phys. A191, 361 (1972)

M.Behar, Z.W.Grabowski, R.M.Steffen

Multipole Mixing Ratios of γ-Transitions in ¹⁸⁵Re

RADIOACTIVITY ¹⁸⁵Os[from ¹⁸⁴Os(n, γ)]; measured γγ(θ). ¹⁸⁵Re levels deduced J, γ-mixing(E2/M1). Ge(Li) detectors.

doi: 10.1016/0375-9474(72)90521-0
Citations: PlumX Metrics

1972BE45      Nucl.Phys. A192, 218 (1972)

M.Behar, R.M.Steffen, C.Telesco

The Spin of the 1643 keV State and Multipole Mixing Ratios of γ-Transitions in ¹³⁴Ba

RADIOACTIVITY ¹³⁴Cs; measured γγ(θ). ¹³⁴Ba deduced J, γ-mixing(E2/M1). Ge(Li) detectors.

doi: 10.1016/0375-9474(72)90016-4
Citations: PlumX Metrics

1972CO20      Priv.Comm. (July 1972)

D.L.Coppage, R.M.Steffen

1972KR26      LA-4777 (1972)

K.S.Krane, R.M.Steffen

Angular Distributions and Correlations of Radiations Emitted from Oriented Nuclei III. Directional Correlations of Two Radiations Emitted from Oriented Nuclei and Triple Directional Correlations

1972SI03      Phys.Lett. 39B, 343 (1972)

P.Sioshansi, D.A.Garber, W.C.King, R.P.Scharenberg, R.M.Steffen, R.M.Wheeler

Comparison of Impact and Radioactivity Techniques and the Magnetic Dipole Moments of the First 2⁺ States in ¹⁸⁸Os, ¹⁹⁰Os, and ¹⁹²Os

NUCLEAR REACTIONS Os(¹⁶O, ¹⁶O'γ), E=36 MeV; measured (¹⁶O')(γ)(θ, H) in Fe, Ni; deduced internal magnetic fields. ^188,190,192Os levels deduced g.

doi: 10.1016/0370-2693(72)90134-7
Citations: PlumX Metrics

1972SI43      Phys.Rev. C6, 2245 (1972)

P.Sioshansi, D.A.Garber, Z.W.Grabowski, R.P.Scharenberg, R.M.Steffen, R.M.Wheeler

Magnetic Dipole Moments of First 2⁺ States in Even Osmium Nuclei Recoil-Implanted in Nickel

NUCLEAR REACTIONS ^{186,188,190,192}Os(¹⁶O, ¹⁶O'γ), E=36 MeV; measured σ(E(¹⁶O'), Eγ, θ(γ)) in Ni; deduced omegatau. ^{186,188,190,192}Os levels deduced g.

doi: 10.1103/PhysRevC.6.2245
Citations: PlumX Metrics

1971CI01      Phys.Rev. C3, 1720 (1971)

S.J.Cipolla, R.M.Steffen

Precision Measurement of the ²⁰³Hg Beta-Gamma Directional Correlation

RADIOACTIVITY ²⁰³Hg; measured βγ(Eβ, θ).

doi: 10.1103/PhysRevC.3.1720
Citations: PlumX Metrics

1971GR14      Phys.Rev. C3, 1649 (1971)

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

E2/M1 Multipole Mixing Ratios in the 'Spherical' Nuclei Te¹²⁴, Te¹²⁶, and Xe¹²⁶

RADIOACTIVITY ¹²⁴Sb, ¹²⁶I; measured γγ(θ). ^124,126Te, ¹²⁶Xe transitions deduced γ-mixing.

doi: 10.1103/PhysRevC.3.1649
Citations: PlumX Metrics

1971KR01      Phys.Rev. C3, 240 (1971)

K.S.Krane, R.M.Steffen

Experimental Test of the Kumar-Baranger Pairing-Plus-Quadrupole Force Model in the A = 190 Region Through E2-M1 Mixing Amplitudes

RADIOACTIVITY ^186,188,190Ir, ^194,196Au; measured γγ(θ). ^186,188,190Os, ^194,196Pt transitions deduced γ-mixing ratios.

doi: 10.1103/PhysRevC.3.240
Citations: PlumX Metrics

1971KR02      Nucl.Phys. A164, 439 (1971)

K.S.Krane, R.M.Steffen

Directional Correlation Measurements of the Gamma Rays Emitted in the Decay of ¹⁶⁰Tb

RADIOACTIVITY ¹⁶⁰Tb; measured γγ(θ). ¹⁶⁰Dy deduced J, γ-mixing(E2/M1), γ-mixing(M2/E1).

doi: 10.1016/0375-9474(71)90227-2
Citations: PlumX Metrics

1971KR16      Phys.Rev. C4, 1419 (1971)

K.S.Krane, R.M.Steffen

E2/M1 Multipole Mixing Ratios of Gamma Transitions in the 'Quasispherical' Nucleus Xe¹³²

RADIOACTIVITY ¹³²I; measured γγ(θ). ¹³²Xe levels deduced J, π, γ-mixing.

doi: 10.1103/PhysRevC.4.1419
Citations: PlumX Metrics

1971ST47      LA-4565-MS (1971)

R.M.Steffen

Angular Distributions and Correlations of Radiation Emitted from Oriented Nuclei

1971ST48      Proc.Int.Conf.Angular Correlations in Nuclear Disintegration, Delft, Netherlands (1970), H.van Krugten, B.van Nooijen, Eds., Wolters-Noordhoff Publ., Groningen, p.1 (1971)

R.M.Steffen

Angular Distributions and Correlations of Nuclear Radiations in Nuclear Spectroscopy

1970CI01      Nucl.Phys. A143, 404 (1970)

S.J.Cipolla, R.M.Steffen

Matrix Element Determinations for Hindered Beta Transitions in ¹²⁴Sb and ¹⁶⁰Tb

RADIOACTIVITY ¹²⁴Sb[from ¹²³Sb(n, γ)]; ¹⁶⁰Tb[from ¹⁵⁹Tb(n, γ)]; measured βγ(θ); deduced β-decay matrix elements.

doi: 10.1016/0375-9474(70)90573-7
Citations: PlumX Metrics

1970KR03      Phys.Rev. C2, 724 (1970)

K.S.Krane, R.M.Steffen

Determination of the E2/M1 Multipole Mixing Ratios of the Gamma Transitions in Cd¹¹⁰

RADIOACTIVITY ^110mAg; measured γγ-coin, γγ(θ), Eγ. ¹¹⁰Cd transitions deduced γ-mixing ratios. Ge(Li) detectors.

doi: 10.1103/PhysRevC.2.724
Citations: PlumX Metrics

1970KR14      Phys.Rev. C2, 724 (1970)

K.S.Krane, R.M.Steffen

Determination of the E2/M1 Multipole Mixing Ratios of the Gamma Transitions in Cd¹¹⁰

RADIOACTIVITY ^110mAg; measured γγ(θ), oriented nuclei. ¹¹⁰Cd transition deduced δ.

doi: 10.1103/PhysRevC.2.724
Citations: PlumX Metrics

1969BE23      Phys.Rev. 180, 1043 (1969)

A.J.Becker, R.M.Steffen

M1-E2 Mixing Ratios and Conversion-Electron Particle Parameters for the Electromagnetic Transitions in As⁷⁵

RADIOACTIVITY ⁷⁵Se; measured ceγ(θ), γγ(θ). ⁷⁵As transitions deduced γ-mixing, K-shell particle parameters.

doi: 10.1103/PhysRev.180.1043
Citations: PlumX Metrics

1967NA09      Phys.Rev. 162, 1118 (1967)

H.M.Nasir, Z.W.Grabowski, R.M.Steffen

Conversion-Electron Particle Parameters in the Decay of Eu¹⁵² and Eu¹⁵⁴

NUCLEAR STRUCTURE ¹⁵²Eu, ¹⁵⁴Eu; measured not abstracted; deduced nuclear properties.

doi: 10.1103/PhysRev.162.1118
Citations: PlumX Metrics

1966CI02      Phys.Rev. 146, 877 (1966)

S.Cipolla, Z.W.Grabowski, H.M.Nasir, R.M.Steffen

Higher Order Effects in β-γ Correlations Involving Allowed β Transitions

NUCLEAR STRUCTURE ¹⁵²Eu, ¹⁵⁴Eu, ¹⁶⁰Tb; measured not abstracted; deduced nuclear properties.

doi: 10.1103/PhysRev.146.877
Citations: PlumX Metrics

1966SI01      Phys.Rev. 141, 1078 (1966)

R.M.Singru, P.C.Simms, R.M.Steffen

Nuclear Matrix Elements in the First-Forbidden 2.2-MeV β Transition of La¹⁴⁰

NUCLEAR STRUCTURE ¹⁴⁰La; measured not abstracted; deduced nuclear properties.

doi: 10.1103/PhysRev.141.1078
Citations: PlumX Metrics

1965FR20      Alpha-, Beta- and Gamma-Ray Spectroscopy, Vol.II, K.Siegbahn, Ed., North-Holland Publishing Co., Amsterdam, p.997 (1965)

H.Frauenfelder, R.M.Steffen

Angular Correlations

1965GR01      Bull.Am.Phys.Soc. 10, No.1, 93, HC7 (1965)

Z.W.Grabowski, S.R.Raghavan, R.M.Steffen

Search for Higher-Order Effects in Allowed β Transitions

NUCLEAR STRUCTURE ²²Na, ¹²⁴Sb, ¹³⁴Cs; measured not abstracted; deduced nuclear properties.

1965GR13      Phys.Rev. 139, B24 (1965)

Z.W.Grabowski, R.S.Raghavan, R.M.Steffen

Search for Higher Order Effects in Allowed β Transitions

NUCLEAR STRUCTURE ⁵⁶Co, ¹⁶⁰Tb, ¹³⁴Cs, ¹²⁴Sb, ²²Na; measured not abstracted; deduced nuclear properties.

doi: 10.1103/PhysRev.139.B24
Citations: PlumX Metrics

1965GR19      Nucl.Phys. 70, 170 (1965)

Z.W.Grabowski, R.S.Raghavan, R.M.Steffen

Beta-Gamma Circular Polarization Correlation of Sb¹²²

RADIOACTIVITY ¹²²Sb[from ¹²¹Sb(n, γ)]; measured βγ-coin, γ-polarization (θ). Enriched ¹²¹Sb target.

doi: 10.1016/0029-5582(65)90232-4
Citations: PlumX Metrics

1965RA01      Bull.Am.Phys.Soc. 10, No.1, 94, HC14 (1965)

R.L.Rasera, R.M.Steffen

Polarization of Conversion Electrons Following the β Decay of Au¹⁹⁸

NUCLEAR STRUCTURE ¹⁹⁸Au; measured not abstracted; deduced nuclear properties.

1965RA03      Phys.Rev. 139, B1 (1965)

R.S.Raghavan, Z.W.Grabowski, R.M.Steffen

Study of Second Excited 2⁺ States of Some Even-Even Nuclei by Beta-Gamma Angular Correlations

NUCLEAR STRUCTURE ¹²⁶I, ¹²⁴Sb, ¹²²Sb, ¹⁴⁰La, ⁷⁶As; measured not abstracted; deduced nuclear properties.

doi: 10.1103/PhysRev.139.1
Citations: PlumX Metrics

1965RA07      Phys.Rev. 140, B1177 (1965)

R.L.Rasera, R.M.Steffen

Transverse Polarization of K-Conversion Electrons Following the β Decay of Au¹⁹⁸

NUCLEAR STRUCTURE ¹⁹⁸Au; measured not abstracted; deduced nuclear properties.

doi: 10.1103/PhysRev.140.1177
Citations: PlumX Metrics

1964AL32      Ann.Rev.Nucl.Sci. 14, 403 (1964)

K.Alder, R.M.Steffen

Electromagnetic Moments of Excited Nuclear States

doi: 10.1146/annurev.ns.14.120164.002155
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1964RA06      Phys.Letters 11, 311 (1964)

R.S.Raghavan, Z.W.Grabowski, R.M.Steffen

Study of Second Excited 2+ States in Even-Even Nuclei Through β-γ Angular Correlations

NUCLEAR STRUCTURE ⁷⁶As, ¹²²Sb; measured not abstracted; deduced nuclear properties.

doi: 10.1016/0031-9163(64)90343-9
Citations: PlumX Metrics

1964SI01      Bull.Am.Phys.Soc. 9, No.1, 8, AB3 (1964)

R.M.Singru, R.M.Steffen

β-α Circular Polarization Correlation in the Decay of La¹⁴⁰

NUCLEAR STRUCTURE ¹⁴⁰La; measured not abstracted; deduced nuclear properties.

1964ST29      Perturbed Angular Correlations, E.Karlsson, E.Matthias, K.Siegbahn, Eds., North-Holland Publishing Co., Amsterdam, p.1 (1964)

R.M.Steffen, H.Frauenfelder

The Influence of Extranuclear Fields on Angular Correlations

1963AL24      Phys.Letters 7, 85 (1963)

J.E.Alberghini, R.M.Steffen

β-γ Directional Correlations of Ga⁷², La¹⁴⁰ and Rb⁸⁶

NUCLEAR STRUCTURE ¹⁴⁰La, ⁸⁶Rb, ⁷²Ga; measured not abstracted; deduced nuclear properties.

doi: 10.1016/0031-9163(63)90453-0
Citations: PlumX Metrics

1963LL02      Phys.Rev. 132, 346 (1963)

R.A.Llewellyn, R.M.Steffen

Transverse Polarization of the K-Conversion Electrons Following the Beta Decay of Hg²⁰³

NUCLEAR STRUCTURE ²⁰³Hg; measured not abstracted; deduced nuclear properties.

doi: 10.1103/PhysRev.132.346
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1963RA09      Phys.Letters 5, 198 (1963)

R.S.Raghavan, R.M.Steffen

Beta Decay and Spin of the Pr¹⁴⁴ Ground State

NUCLEAR STRUCTURE ¹⁴⁴Pr; measured not abstracted; deduced nuclear properties.

doi: 10.1016/S0375-9601(63)96398-9
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1963SI02      Bull.Am.Phys.Soc. 8, No.4, 331, J2 (1963)

R.M.Singru, R.M.Steffen

β-γ Circular Polarization Correlation in the Decay of Sc⁴⁶

NUCLEAR STRUCTURE ⁴⁶Sc; measured not abstracted; deduced nuclear properties.

1963SI06      Nucl.Phys. 43, 537 (1963)

R.M.Singru, R.M.Steffen

Beta-Gamma Circular Polarization Correlation in the Decay of Sc⁴⁶

NUCLEAR STRUCTURE ⁴⁶Sc; measured not abstracted; deduced nuclear properties.

doi: 10.1016/0029-5582(63)90374-2
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1963SI10      Phys.Letters 6, 319 (1963)

R.M.Singru, R.S.Raghavan, R.M.Steffen

Unique Spin Assignment to the Pr¹⁴⁴ Ground State

NUCLEAR STRUCTURE ¹⁴⁴Pr; measured not abstracted; deduced nuclear properties.

doi: 10.1016/0031-9163(63)90153-7
Citations: PlumX Metrics

1962AL15      Phys.Rev. 128, 1783 (1962)

P.Alexander, R.M.Steffen

Nuclear Matrix Elements in the First-Forbidden Beta Decay of the Eu¹⁵² Ground State

NUCLEAR STRUCTURE ¹⁵²Eu; measured not abstracted; deduced nuclear properties.

doi: 10.1103/PhysRev.128.1783
Citations: PlumX Metrics

1962LL01      Bull.Am.Phys.Soc. 7, No.1, 35 J12 (1962)

R.A.Llewellyn, R.M.Steffen

NUCLEAR STRUCTURE ¹⁹⁸Au, ²⁰³Hg; measured not abstracted; deduced nuclear properties.

1962ST24      TID-17089 (Pt. II) (1962)

R.M.Steffen, E.Matthias, W.Schneider

Tables of Directional Correlation Attenuation Coefficients for Combined Magentic Dipole and Randomly Oriented Electric Quadrupole Interactions

1962ST25      TID-17089 (Pt.I) (1962)

R.M.Steffen, E.Matthias, W.Schneider

Tables of Directional Correlation Attenuation Coefficients for Combined Magnetic Dipole and Randomly Oriented Electric Quadrupole Interactions

1961AL01      Bull.Am.Phys.Soc. 6, No.1, 51, QA13 (1961)

P.Alexander, R.M.Steffen

β-γ Circular Polarization Correlation of Sb¹²⁴

NUCLEAR STRUCTURE ¹²⁴Sb; measured not abstracted; deduced nuclear properties.

1961AL09      Bull.Am.Phys.Soc. 6, No.4, 335, B4 (1961)

J.E.Alberghini, R.M.Steffen

Beta-Gamma Directional Correlation in the Decays of Ga⁷² and La¹⁴⁰

NUCLEAR STRUCTURE ¹⁴⁰La, ⁷²Ga; measured not abstracted; deduced nuclear properties.

1961AL14      Phys.Rev. 124, 150 (1961)

P.Alexander, R.M.Steffen

Determination of the Nuclear Matrix Elements in the 2.31-MeV β Transition of Sb¹²⁴ Through Measurement of the β-γ (Circularly Polarized) Angular Correlation

NUCLEAR STRUCTURE ¹²⁴Sb; measured not abstracted; deduced nuclear properties.

doi: 10.1103/PhysRev.124.150
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1961ST12      Phys.Rev. 123, 1787 (1961)

R.M.Steffen

Test of the ξ-Approximation in Some First-Forbidden 2^- → 2⁺ β Transitions

NUCLEAR STRUCTURE ⁴²K, ¹⁹⁸Au, ¹²²Sb; measured not abstracted; deduced nuclear properties.

doi: 10.1103/PhysRev.123.1787
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1961ST13      Phys.Rev. 124, 145 (1961)

R.M.Steffen

Tensor Type Component in the 2.31-MeV β Transition of Sb¹²⁴

NUCLEAR STRUCTURE ¹²⁴Sb; measured not abstracted; deduced nuclear properties.

doi: 10.1103/PhysRev.124.145
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1960AL21      TID-6074, p.25 (1960)

J.E.Alberghini, R.M.Steffen

Transverse Polarization K-Conversion Electrons Following the Beta Decay of Hg²⁰³

NUCLEAR STRUCTURE ²⁰³Hg; measured not abstracted; deduced nuclear properties.

1960SI01      Phys.Rev. 118, 768 (1960)

P.C.Simms, R.M.Steffen

Beta-Gamma Angular Correlation Measurements on Au¹⁹⁸. II. Transverse Polarization of the Beta Particles

NUCLEAR STRUCTURE ¹⁹⁸Au; measured not abstracted; deduced nuclear properties.

doi: 10.1103/PhysRev.118.768
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1960ST03      Phys.Rev.Letters 4, 290 (1960)

R.M.Steffen

Nuclear Matrix Elements in the Beta Decay of Sb¹²⁴

NUCLEAR STRUCTURE ¹²⁴Sb; measured not abstracted; deduced nuclear properties.

doi: 10.1103/PhysRevLett.4.290
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1960ST14      Phys.Rev. 118, 763 (1960)

R.M.Steffen

Beta-Gamma Angular Correlation Measurements on Au¹⁹⁸. I. Directional and Circular Polarization Correlation

NUCLEAR STRUCTURE ¹⁹⁸Au; measured not abstracted; deduced nuclear properties.

doi: 10.1103/PhysRev.118.763
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1960ST26      TID-6074, 15 (1960)

R.M.Steffen

Search for Higher-Order Effects in Allowed Beta Decay

NUCLEAR STRUCTURE ²⁴Na, ²²Na, ⁶⁰Co, ⁴⁶Sc; measured not abstracted; deduced nuclear properties.

1960ST27      TID-6074, 17 (1960)

R.M.Steffen

Nuclear Matrix Elements in the Beta Decay of Sb¹²⁴

NUCLEAR STRUCTURE ¹²⁴Sb; measured not abstracted; deduced nuclear properties.

1959AL03      Nuclear Phys. 14, 199 (1959)

J.E.Alberghini, R.M.Steffen

Transverse Polarization of K-Conversion Electrons Following the Decay of Hg²⁰³

doi: 10.1016/0029-5582(59)90002-1
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1959AL05      Bull.Am.Phys.Soc. 4, No.7, 427, X10 (1959)

J.E.Alberghini, R.M.Steffen

Transverse Polarization of Conversion Electrons following the Beta Decay of Hg²⁰³

1959ST33      Phys.Rev. 115, 980 (1959); Erratum Phys.Rev. 118, 1667 (1960)

R.M.Steffen

Circular Polarization of Gamma Radiation Following Allowed Beta Transitions

doi: 10.1103/PhysRev.115.980
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1959ST39      Phys.Rev.Letters 3, 277 (1959)

R.M.Steffen

Search for Higher-Order Effects in Allowed Beta Decay

doi: 10.1103/PhysRevLett.3.277
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1959ST43      AECU-4185, p.23 (1959)

R.M.Steffen

Angular Correlation Studies

1958SI80      Phys.Rev.Letters 1, 289 (1958)

P.C.Simms, R.M.Steffen

β-γ Angular Correlation Experiments and Time-Reversal Invariance of the Beta Interaction

doi: 10.1103/PhysRevLett.1.289
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1957SI63      Phys.Rev. 108, 1459 (1957)

P.C.Simms, R.M.Steffen

Lifetime of the 247-keV Excited State of Cd¹¹¹

doi: 10.1103/PhysRev.108.1459
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1957ST02      Bull.Am.Phys.Soc. 2, No.4, 231, W1 (1957); Oral Report

R.M.Steffen

Effect of the Static Nuclear Quadrupole Interaction in Indium

1956BR87      Phys.Rev. 102, 753 (1956)

J.N.Brazos, R.M.Steffen

Angular Momenta and Parities of the Excited States of Cd¹¹⁴

doi: 10.1103/PhysRev.102.753
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1956ST04      Bull.Am.Phys.Soc. 1, No.1, 42, K5 (1956)

R.M.Steffen, L.M.Noble

Extranuclear Effects and the Directional COrrelation of the Cd¹¹⁴ Gamma Rays

1956ST63      Phys.Rev. 103, 126 (1956)

R.M.Steffen, W.Zobel

Magnetic Moment of the 247-keV Excited State of Cd¹¹¹

doi: 10.1103/PhysRev.103.126
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1956ST64      Phys.Rev. 103, 116 (1956)

R.M.Steffen

Influence of the Time-Dependent Quadrupole Interaction on the Directional Correlation of the Cd¹¹¹ Gamma Rays

doi: 10.1103/PhysRev.103.116
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1955ST03      Advances in Phys. 4, 293 (1955)

R.M.Steffen

Extranuclear Effects on Angular Correlations of Nuclear Radiations

doi: 10.1080/00018735500101234
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1953ST05      Phys.Rev. 89, 665 (1953)

R.M.Steffen

The Angular Momenta of the Excited States of Pt¹⁹⁶

doi: 10.1103/PhysRev.89.665
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1953ST06      Phys.Rev. 89, 903A (1953)

R.M.Steffen

Effect of the Chemical Binding and the Phase on Angular Correlations

doi: 10.1103/PhysRev.89.903A
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1953ST25      Phys.Rev. 90, 321 (1953)

R.M.Steffen

Evidence of a Mixed E1+M2 Transition and the Angular Momenta of the Sr⁸⁸ Levels

doi: 10.1103/PhysRev.90.321
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1951ST79      Phys.Rev. 83, 166 (1951)

R.M.Steffen

Dual Decay of the 50-Day In¹¹⁴ Isomer and Angular Momenta of the Excited States of Cd¹¹⁴

doi: 10.1103/PhysRev.83.166
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1949ST17      Helv.Phys.Acta 22, 167 (1949)

R.M.Steffen, O.Huber, F.Humbel

Innere Konversion der γ-Strahlung und Rontgen-strahlung beim K-Einfang schwerer Atomkerne