NSR Query Results
Output year order : Descending NSR database version of April 29, 2024. Search: Author = W.Beer Found 28 matches. 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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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) 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
1973BE55 Phys.Lett. 47B, 345 (1973) On the Energy of the W Kα1 X-Rays RADIOACTIVITY 182Ta; measured E(K X-ray).
doi: 10.1016/0370-2693(73)90619-9
1973PI02 Nucl.Instrum.Methods 107, 61 (1973) Das fokussierende Kristallspektrometer der Universitat Fribourg RADIOACTIVITY 182Ta; measured Eγ.
doi: 10.1016/0029-554X(73)90013-X
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