NSR Query Results


Output year order : Descending
Format : Normal

NSR database version of May 24, 2024.

Search: Author = W.Beer

Found 28 matches.

Back to query form



1995EL04      Z.Phys. A351, 113 (1995)

A.J.R.El-Hassani, W.Beer, J.-F.Gilot, P.F.A.Goudsmit, H.J.Leisi, S.Thomann, W.Volken, E.C.Aschenauer, K.Gabathuler, L.M.Simons, E.Bovet, J.P.Egger, G.Fiorucci, V.E.Markushin

Measurement of Absolute Yields of Lyman Transitions in Pionic Hydrogen and Deuterium as a Function of Pressure

NUCLEAR REACTIONS 1,2H(π-, X), E at 85 MeV/c; measured pionic E X-ray, I X-ray, π(X-ray)-coin; deduced transitions absolute K X-ray yields.

ATOMIC PHYSICS, Mesic-Atoms 1,2H(π-, X), E at 85 MeV/c; measured pionic E X-ray, I X-ray, π(X-ray)-coin; deduced transitions absolute K X-ray yields.


1991BE29      Phys.Lett. 261B, 16 (1991)

W.Beer, M.Bogdan, P.F.A.Goudsmit, H.J.Leisi, A.J.R.El-Hassani, D.Sigg, St.Thomann, W.Volken, D.Bovet, E.Bovet, D.Chatellard, J.-P.Egger, G.Fiorucci, K.Gabathuler, L.M.Simons

Determination of the Strong Interaction Shift in Pionic Hydrogen with a High Resolution Crystal Spectrometer System

NUCLEAR REACTIONS 1H(π-, X), E at 85 MeV/c; measured pionic X-ray transition energy; deduced strong interaction shift. High resolution crystal spectrometer.

ATOMIC PHYSICS, Mesic-Atoms 1H(π-, X), E at 85 MeV/c; measured pionic X-ray transition energy; deduced strong interaction shift. High resolution crystal spectrometer.

doi: 10.1016/0370-2693(91)91317-O
Citations: PlumX Metrics


1991KE10      Nucl.Phys. A534, 77 (1991)

J.Kern, A.Raemy, W.Beer, J.-Cl.Dousse, W.Schwitz, M.K.Balodis, P.T.Prokofjev, N.D.Kramer, L.I.Simonova, R.W.Hoff, D.G.Gardner, M.A.Gardner, R.F.Casten, R.L.Gill, R.Eder, T.von Egidy, E.Hagn, P.Hungerford, H.J.Scheerer, H.H.Schmidt, E.Zech, A.Chalupka, A.V.Murzin, V.A.Libman, I.V.Kononenko, C.Coceva, P.Giacobbe, I.A.Kondurov, Yu.E.Loginov, P.A.Sushkov, S.Brant, V.Paar

Nuclear Levels in 192Ir

NUCLEAR REACTIONS 191Ir(n, γ), E=thermal; measured Eγ, Iγ, I(ce), γγ-coin; 191Ir(n, γ), E=0.66, 5.4, 6.1 eV, 2, 24 keV; measured Eγ, Iγ; 191Ir(d, p), E=15, 22 MeV; measured E(p), σ; 193Ir(d, t), E=14, 15, 22 MeV; measured E(t), σ, Iγ(θ) from oriented nuclei in Fe. 192Ir deduced levels, J, π, ICC, γ-multipolarity. Nilsson configurations, comparison with interacting boson-fermion-fermion model calculations. Curved-crystal spectrometer, Ge detectors, magnetic spectrometer, Q3D spectrograph. Enriched targets.

doi: 10.1016/0375-9474(91)90559-O
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 dataset22264.


1988BO12      Helv.Phys.Acta 61, 219 (1988)

D.Bovet, E.Bovet, J.P.Egger, G.Fiorucci, J.L.Vuilleumier, W.Beer, J.F.Gilot, P.F.A.Goudsmit, H.J.Leisi, A.Rusi el Hassani, K.Gabathuler, L.Simons

Mesure du Deplacement et de l'Elargissement d'Interaction Forte du Niveau 1S de l'Hydrogene Pionique

ATOMIC PHYSICS, Mesic-Atoms 1H(π, X), E not given; measured X-ray spectra. High resolution, low energy spectrometer.


1986BE04      Nucl.Phys. A451, 679 (1986)

I.Beltrami, B.Aas, W.Beer, G.De Chambrier, P.F.A.Goudsmit, Th.v.Ledebur, H.J.Leisi, W.Ruckstuhl, W.W.Sapp, G.Strassner, A.Vacchi, U.Kiebele, J.-A.Pinston, R.Weber

New Precision Measurements of the Muonic 3d(5/2)-2p(3/2) X-Ray Transition in 24Mg and 28Si: Vacuum polarisation test and search for muon-hadron interactions beyond QED

ATOMIC PHYSICS, Mesic-Atoms 24Mg, 28Si; measured muonic X-rays, transition wavelengths; deduced muon-nucleon interaction limits, vacuum polarisation effect, muon mass.

doi: 10.1016/0375-9474(86)90299-X
Citations: PlumX Metrics


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


1986JE03      Helv.Phys.Acta 59, 1184 (1986)

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

Neue Prazisionsmessung der π--Masse

ATOMIC PHYSICS, Mesic-Atoms 24Mg(π-, X), E not given; measured pionic X-rays; deduced pion mass.


1985BE53      Nucl.Instrum.Methods 238, 365 (1985)

W.Beer, K.Bos, G.De Chambrier, K.L.Giovanetti, P.F.A.Goudsmit, B.V.Grigoryev, B.Jeckelmann, L.Knecht, L.N.Kondurova, J.Langhans, H.J.Leisi, P.M.Levchenko, V.I.Marushenko, A.F.Mezentsev, H.Obermeier, A.A.Petrunin, U.Rohrer, A.G.Sergeev, S.G.Skornjakov, A.I.Smirnov, E.Steiner, G.Strassner, V.M.Suvorov, A.Vacchi

Crystal Spectrometer for Measurements of Pionic X-Rays

NUCLEAR REACTIONS 24,25,26Mg, Si, 30Si, O, C(π, X), E at rest; measured pionic X-rays. Bent crystal spectrometer, high precision laser interferometer system.

ATOMIC PHYSICS, Mesic-Atoms Mg, Si, C, O; measured pionic X-rays; deduced wave length ratios. Bent crystal spectrometer, high precision laser interferometer system.

doi: 10.1016/0168-9002(85)90474-7
Citations: PlumX Metrics


1985DE34      Nucl.Phys. A442, 637 (1985)

G.de Chambrier, W.Beer, F.W.N.de Boer, K.Bos, A.I.Egorov, M.Eckhause, K.L.Giovanetti, P.F.A.Goudsmit, B.Jeckelmann, K.E.Kiryanov, L.N.Kondurova, L.Lapina, H.J.Leisi, V.I.Marushenko, A.F.Mezentsev, A.A.Petrunin, A.G.Sergeev, A.I.Smirnov, G.Strassner, V.M.Suvorov, A.Vacchi, D.Wieser

Precision Measurement of the Wavelengths and Natural Line of 3d-2p Pionic X-ray Transitions in Low-Z Atoms

ATOMIC PHYSICS, Mesic-Atoms 12C, 16,18O, 24,26Mg, 28,30Si; measured pionic transmission wave lengths, X-rays; deduced 2p state strong interaction shifts, widths.

doi: 10.1016/0375-9474(85)90370-7
Citations: PlumX Metrics


1985DE42      Nucl.Phys. A444, 589 (1985)

F.W.N.De Boer, B.Aas, P.Baertschi, W.Beer, I.Beltrami, K.Bos, P.F.A.Goudsmit, U.Kiebele, B.Jeckelmann, H.J.Leisi, W.Ruckstuhl, G.Strassner, A.Vacchi, R.Weber

Precision Measurement of the 2p-1s Transition Wavelength in Muonic 13C

ATOMIC PHYSICS, Mesic-Atoms 13C; measured muonic X-rays, transition wavelength; deduced muon-nucleon interaction limits, 12,13C isotope shift. 13C deduced rms charge radius. Bent crystal spectrometer.

NUCLEAR REACTIONS 13C(μ-, X), E at rest; measured X-rays; deduced muon-nucleon interaction limits, 12,13C isotope shift. 13C deduced rms charge radius. Bent crystal spectrometer.

doi: 10.1016/0375-9474(85)90106-X
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


1985RU01      Nucl.Phys. A433, 634 (1985)

W.Ruckstuhl, B.Aas, W.Beer, I.Beltrami, K.Bos, G.De Chambrier, P.F.A.Goudsmit, H.J.Leisi, G.Strassner, A.Vacchi, J.M.Van Der Velden, B.Jeckelmann, U.Kiebele, R.Weber

Measurement of the Hyperfine Splitting of the 1s State in Muonic 7Li as a Search for Axial-Vector Muon-Nucleon Interactions

ATOMIC PHYSICS, Mesic-Atoms 7Li; measured muonic hfs; deduced 2p-1s transition strength. High precision bent crystal spectrometer.

NUCLEAR MOMENTS 7Li; measured muonic hfs; deduced axial vector boson mediated muon-nucleon interaction strength upper limit. High precision bent crystal spectrometer.

doi: 10.1016/0375-9474(85)90022-3
Citations: PlumX Metrics


1984AA02      Helv.Phys.Acta 57, 291 (1984)

B.Aas, W.Beer, I.Beltrami, K.Bos, P.F.A.Goudsmit, H.J.Leisi, W.Ruckstuhl, G.Strassner, A.Vacchi, F.W.N.de Boer, U.Kiebele, R.Weber

Prazisionsmessung der Wellenlange des 2p-1s Ueberganges im Muonischen 13C

ATOMIC PHYSICS, Mesic-Atoms 13C; measured 2P-1S transition wave length.


1984BE45      Nucl.Phys. A429, 381 (1984)

I.Beltrami, B.Aas, W.Beer, P.Ebersold, R.Eichler, P.F.A.Goudsmit, M.Guanziroli, Th.v.Ledebur, H.J.Leisi, W.Ruckstuhl, W.W.Sapp, G.Strassner, A.Vacchi, U.Kiebele, R.Weber

The Electron Screening Effect in Muonic 28Si

ATOMIC PHYSICS, Mesic-Atoms 28Si; measured muonic X-rays; deduced transition energies, electron screening effect, muon cascade.

doi: 10.1016/0375-9474(84)90687-0
Citations: PlumX Metrics


1984DE49      Nucl.Instrum.Methods 227, 512 (1984)

G.De Chambrier, B.Aas, W.Beer, I.Beltrami, Th.v.Ledebur, H.J.Leisi, W.Ruckstuhl, G.Strassner, A.Vacchi, U.Kiebele, R.Weber

Precision Measurements of γ-Rays in the Decay of 161Tb

RADIOACTIVITY 161Tb(β-); measured Eγ, transition wavelength. High precision, curved crystal spectrometer.

doi: 10.1016/0168-9002(84)90209-2
Citations: PlumX Metrics


1984RU12      Nucl.Phys. A430, 685 (1984)

W.Ruckstuhl, B.Aas, W.Beer, I.Beltrami, K.Bos, P.F.A.Goudsmit, H.J.Leisi, G.Strassner, A.Vacchi, F.W.N.De Boer, U.Kiebele, R.Weber

Precision Measurement of the 2p-1s Transition in Muonic 12C: Search for new muon-nucleon interactions or accurate determination of the rms nuclear charge radius

ATOMIC PHYSICS, Mesic-Atoms 12C; measured muonic transition wavelength; deduced muon-nucleon interaction nature. 12C deduced rms charge radius. Crystal spectrometer.

doi: 10.1016/0375-9474(84)90101-5
Citations: PlumX Metrics


1983JE09      Nucl.Phys. A408, 495 (1983)

B.Jeckelmann, W.Beer, I.Beltrami, F.W.N.De Boer, G.De Chambrier, P.F.A.Goudsmit, J.Kern, H.J.Leisi, W.Ruckstuhl, A.Vacchi

Spectroscopic Quadrupole Moment of 23Na from Muonic X-Rays

NUCLEAR REACTIONS 23Na(μ-, X), E at rest; measured X-ray spectra. 23Na deduced quadrupole moment.

ATOMIC PHYSICS, Mesic-atoms 23Na(μ-, X), E at rest; measured X-ray spectra. 23Na deduced quadrupole moment.

doi: 10.1016/0375-9474(83)90242-7
Citations: PlumX Metrics


1982AA01      Nucl.Phys. A375, 405 (1982)

B.Aas, W.Beer, I.Beltrami, P.Ebersold, R.Eichler, Th.V.Ledebur, H.J.Leisi, W.Ruckstuhl, W.W.Sapp, A.Vacchi, J.Kern, J.-A.Pinston, W.Schwitz, R.Weber

Vacuum Polarization Test and Search for Muon-Hadron Interactions from Muonic X-Rays: Crystal-spectrometer experiments

ATOMIC PHYSICS, Mesic-Atoms 24Mg, 28Si, 31P; measured muonic X-rays, transition wave lengths; deduced vacuum polarization shift, muon-nucleon interaction limits, muon mass.

doi: 10.1016/0375-9474(82)90021-5
Citations: PlumX Metrics


1982RU06      Phys.Rev.Lett. 49, 859 (1982)

W.Ruckstuhl, B.Aas, W.Beer, I.Beltrami, F.W.N.de Boer, K.Bos, P.F.A.Goudsmit, U.Kiebele, H.J.Leisi, G.Strassner, A.Vacchi, R.Weber

High-Precision Muonic X-Ray Measurement of the rms Charge Radius of 12C with a Crystal Spectrometer

ATOMIC PHYSICS, Mesic-Atoms 12C; measured muonic X-rays. 12C deduced rms charge radius.

doi: 10.1103/PhysRevLett.49.859
Citations: PlumX Metrics


1982WE04      Nucl.Phys. A377, 361 (1982)

R.Weber, B.Jeckelmann, J.Kern, U.Kiebele, B.Aas, W.Beer, I.Beltrami, K.Bos, G.De Chambrier, P.F.A.Goudsmit, H.J.Leisi, W.Ruckstuhl, G.Strassner, A.Vacchi

Spectroscopic Quadrupole Moments of 25Mg and 27Al from Muonic X-Rays

NUCLEAR MOMENTS 25Mg, 27Al; measured muonic X-rays, hfs; deduced electric field gradient, Sternheimer factor. 25Mg, 27Al deduced spectroscopic quadrupole moment. Nuclear rotational model, strong-coupling limit.

doi: 10.1016/0375-9474(82)90046-X
Citations: PlumX Metrics


1981BE65      Helv.Phys.Acta 54, 643 (1981)

I.Beltrami, B.Aas, W.Beer, G.de Chambrier, P.F.A.Goudsmit, Th.v.Ledebur, H.J.Leisi, W.Ruckstuhl, W.W.Sapp, G.Strassner, A.Vacchi

Prazisionsmessungen der (3d-2p)-Rontgenubergange in Myonischem 28Si und 24Mg

ATOMIC PHYSICS, Mesic-Atoms 28Si, 24Mg; measured muonic X-rays. Crystal spectrometer, high precision.


1981JE02      Helv.Phys.Acta 54, 321 (1981)

B.Jeckelmann, J.Kern, U.Kiebele, J.-A.Pinston, R.Weber, B.Aas, W.Beer, I.Beltrami, K.Bos, G.deChambrier, P.F.A.Goudsmit, Th.V.Ledebur, H.J.Leisi, W.Ruckstuhl, G.Strassner, A.Vacchi

Spektroskopische Quadrupolmomente von 25Mg und 27Al aus Muonischen X-Ray Ubergangen

NUCLEAR MOMENTS 25Mg, 27Al; measured hfs, muonic X-rays; deduced spectroscopic quadrupole moments.


1981RU12      Helv.Phys.Acta 54, 644 (1981)

W.Ruckstuhl, B.Aas, W.Beer, I.Beltrami, K.Bos, P.F.A.Goudsmit, H.J.Leisi, G.Strassner, A.Vacchi, R.Weber, J.M.v.d.Velden

Die Hyperfeinaufspaltung des 1s-Zustandes in μ - 7Li als Test der Wechselwirkung Zwischen Myonen und Nukleonen

NUCLEAR MOMENTS 7Li; measured muonic X-rays, hfs; deduced muon-nucleon axial vector interaction.


1979AA02      Nucl.Phys. A329, 450 (1979)

B.Aas, W.Beer, I.Beltrami, K.Bongardt, P.Ebersold, R.Eichler, Th. V. Ledebur, H.J.Leisi, W.W.Sapp, J.-A.Pinston, J.Kern, R.Lanners, W.Schwitz

Crystal-Spectrometer Measurement of the 3d-2p X-Ray Transition in Muonic 31P

ATOMIC PHYSICS, Mesic-Atoms 31P; measured wavelength of 3d-2p muonic X-ray transition; deduced muon-hadron anomalous interaction limit.

doi: 10.1016/0375-9474(79)90386-5
Citations: PlumX Metrics


1976RA25      Helv.Phys.Acta 49, 645 (1976)

A.Raemy, W.Beer, J.-C.Dousse, R.Eichler, J.Kern, T.von Ledebur, W.Schwitz

Dispositif pour la Mesure de Reactions (n, γ) a l'Aide d'un Spectrometre a Cristal Incurve

NUCLEAR REACTIONS 191,193Ir(n, γ); measured Eγ. 192,194Ir deduced transitions.


1974BE26      Nucl.Instrum.Methods 117, 183 (1974)

W.Beer, J.Kern

The Precision Determination of Some γ-Ray Energies Using the Fribourg Curved-Crystal Spectrometer

RADIOACTIVITY 192Ir, 169Yb, 170Tm, 182Ta; measured Eγ.

doi: 10.1016/0029-554X(74)90397-8
Citations: PlumX Metrics


1973BE55      Phys.Lett. 47B, 345 (1973)

W.Beer, J.Kern

On the Energy of the W Kα1 X-Rays

RADIOACTIVITY 182Ta; measured E(K X-ray).

doi: 10.1016/0370-2693(73)90619-9
Citations: PlumX Metrics


1973PI02      Nucl.Instrum.Methods 107, 61 (1973)

O.Piller, W.Beer, J.Kern

Das fokussierende Kristallspektrometer der Universitat Fribourg

RADIOACTIVITY 182Ta; measured Eγ.

doi: 10.1016/0029-554X(73)90013-X
Citations: PlumX Metrics


Back to query form