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NSR database version of April 27, 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