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NSR database version of May 23, 2024.

Search: Author = A.Ruetschi

Found 15 matches.

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1988BE17      Phys.Rev. C37, 2821 (1988)

P.Bergem, G.Piller, A.Ruetschi, L.A.Schaller, L.Schellenberg, H.Schneuwly

Nuclear Polarization and Charge Moments of 208Pb from Muonic X Rays

NUCLEAR REACTIONS 208Pb(μ-, X), E at rest; measured X-ray spectra; deduced nuclear polarization role, charge parameters. 208Pb deduced rms radius.

ATOMIC PHYSICS, Mesic-Atoms 208Pb; measured muonic X-rays; deduced transition energies, equivalent radii.

doi: 10.1103/PhysRevC.37.2821
Citations: PlumX Metrics


1987BE47      Helv.Phys.Acta 60, 736 (1987)

P.Bergem, F.Bienz, M.Boschung, T.Q.Phan, G.Piller, A.Ruetschi, L.A.Schaller, L.Schellenberg, H.Schneuwly

Nuclear Polarization in Muonic 208Pb

ATOMIC PHYSICS, Mesic-Atoms 208Pb; measured muonic transitions; deduced nuclear polarization.

NUCLEAR REACTIONS 208Pb(μ-, X), E at rest; measured muonic transitions; deduced nuclear polarization.


1986GO04      Helv.Phys.Acta 59, 186 (1986)

P.F.A.Goudsmit, G.de Chambrier, K.l.Giovanetti, B.Jeckelmann, H.J.Leisi, A.Ruetschi

Anomaly in Pion Absorption

ATOMIC PHYSICS, Mesic-Atoms Z=2-14; analyzed pionic atom data. Improved optical model.


1986JE02      Nucl.Phys. A457, 709 (1986)

B.Jeckelmann, W.Beer, G.De Chambrier, O.Elsenhans, K.L.Giovanetti, P.F.A.Goudsmit, H.J.Leisi, T.Nakada, O.Piller, A.Ruetschi, W.Schwitz

New Precision Determination of the π- Mass from Pionic X-Rays

ATOMIC PHYSICS, Mesic-Atoms 24Mg; measured pionic transition wavelength, X-rays; deduced π- mass, limit on muon-neutrino mass, electronic K-shell population.

doi: 10.1016/0375-9474(86)90476-8
Citations: PlumX Metrics


1985JE05      Nucl.Instrum.Methods 241, 191 (1985)

B.Jeckelmann, W.Beer, G.De Chambrier, O.Elsenhans, K.L.Giovanetti, P.F.A.Goudsmit, H.J.Leisi, A.Ruetschi

A New Determination of the 25.7 keV Wavelength Standard in the Decay of 161Tb

RADIOACTIVITY 161Tb(β-) [from 160Gd(n, γ)161Gd(β--decay)]; 170Tm(β-) [from 169Tm(n, γ), E=thermal]; 182Ta(β-) [from 181Ta(n, γ), E=thermal]; measured Eγ, Iγ; deduced 25.7 keV wavelength standard. 161Dy, 182W deduced transition energy. High precision crystal spectrometer.

doi: 10.1016/0168-9002(85)90532-7
Citations: PlumX Metrics


1985PH02      Phys.Rev. C32, 609 (1985)

T.Q.Phan, P.Bergem, A.Ruetschi, L.A.Schaller, L.Schellenberg

Nuclear Polarization in Muonic 90Zr

ATOMIC PHYSICS, Mesic-Atoms 90Zr; measured muonic X-rays; deduced rms, equivalent nuclear radii, nuclear polarization corrections.

doi: 10.1103/PhysRevC.32.609
Citations: PlumX Metrics


1985SC05      Phys.Rev. C31, 1007 (1985)

L.A.Schaller, D.A.Barandao, P.Bergem, M.Boschung, T.Q.Phan, G.Piller, A.Ruetschi, L.Schellenberg, H.Schneuwly, G.Fricke, G.Mallot, H.G.Sieberling

Nuclear Charge Radii of the Even Sulphur Isotopes 32S, 34S, and 36S and of 31P using Muonic Atoms

ATOMIC PHYSICS, Mesic-Atoms 32,34,36S, 31P; measured muonic E X-ray, I X-ray. 32,34,36S deduced equivalent Barrett, rms charge radii. High precision.

doi: 10.1103/PhysRevC.31.1007
Citations: PlumX Metrics


1984RU08      Nucl.Phys. A422, 461 (1984)

A.Ruetschi, L.Schellenberg, T.Q.Phan, G.Piller, L.A.Schaller, H.Schneuwly

Magnetic Hyperfine Structure in Muonic 209Bi

NUCLEAR MOMENTS 209Bi; measured muonic hfs; deduced hfs constants, isomer shifts.

ATOMIC PHYSICS, Mesic-Atoms 209Bi; measured muonic hfs.

doi: 10.1016/0375-9474(84)90359-2
Citations: PlumX Metrics


1983BE49      Helv.Phys.Acta 56, 973 (1983)

P.Bergem, F.Bienz, M.Boschung, T.Q.Phan, G.Piller, A.Ruetschi, L.A.Schaller, L.Schellenberg, H.Schneuwly, G.Fricke, G.Mallot, H.G.Sieberling

Muonic Atom Experiments

NUCLEAR MOMENTS 209Bi; measured muonic hfs. 209Bi levels deduced μ. Anti-Compton spectrometer.

ATOMIC PHYSICS, Mesic-Atoms A=12-100; analyzed data; deduced nuclear charge radii. 90Zr, 140Ce, 208Pb; measured muonic 2s-2p transition energies. Gas targets, anti-Compton spectrometer.


1983BE50      Helv.Phys.Acta 56, 974 (1983)

P.Bergem, M.Boschung, T.Q.Phan, G.Piller, A.Ruetschi, L.A.Schaller, L.Schellenberg, H.Schneuwly

Etude de la Correction due a la Polarisation Nucleaire aux Energies de Liaison dans l'Atome Muonique 90Zr

ATOMIC PHYSICS, Mesic-Atoms 90Zr; measured nuclear polarization correction to muonic atom transitions. Anti-Compton spectrometer.


1982SC11      Nucl.Phys. A379, 523 (1982)

L.A.Schaller, L.Schellenberg, T.Q.Phan, G.Piller, A.Ruetschi, H.Schneuwly

Nuclear Charge Radii of the Carbon Isotopes 12C, 13C and 14C

ATOMIC PHYSICS, Mesic-Atoms 12,13,14C; measured muonic X-rays; deduced nuclear charge radii.

doi: 10.1016/0375-9474(82)90012-4
Citations: PlumX Metrics


1981FR25      Helv.Phys.Acta 54, 317 (1981)

G.Fricke, G.Mallot, T.Q.Phan, G.Piller, A.Ruetschi, L.A.Schaller, L.Schellenberg, H.Schneuwly

Etude du Deplacement Isotopique a Partir des Transitions Muoniques dans l'Argon

ATOMIC PHYSICS, Mesic-Atoms 36,38,40Ar; measured muonic X-rays. 36,38,40Ar deduced rms radii, isotope shifts.


1981PH01      Helv.Phys.Acta 54, 648 (1981)

T.Q.Phan, G.Piller, A.Ruetschi, L.A.Schaller, L.Schellenberg, H.Schneuwly

Magnetische Momente aus Kernubergangen in Muonischem 209Bi

NUCLEAR MOMENTS 209Bi; measured muonic hfs; deduced hyperfine constants.


1980KA35      Helv.Phys.Acta 53, 299 (1980)

K.Kaeser, G.Piller, B.Robert-Tissot, A.Ruetschi, L.A.Schaller, L.Schellenberg, H.Schneuwly

Kerladungsradien aus Myonischen Roentgenlinien in Beryllium, Bor, Kohlenstoff und Stickstoff

ATOMIC PHYSICS, Mesic-Atoms Be, B, C, N; measured muonic X-rays; deduced rms radii.


1980SC18      Nucl.Phys. A343, 333 (1980)

L.A.Schaller, L.Schellenberg, A.Ruetschi, H.Schneuwly

Nuclear Charge Radii from Muonic X-Ray Transitions in Beryllium, Boron, Carbon and Nitrogen

ATOMIC PHYSICS, Mesic-Atoms 9Be, B, C, N; measured muonic X-Rays; deduced nuclear charge radii.

doi: 10.1016/0375-9474(80)90656-9
Citations: PlumX Metrics


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