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NSR database version of May 24, 2024.

Search: Author = L.M.Simons

Found 51 matches.

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2021HI06      Eur.Phys.J. A 57, 70 (2021)

A.Hirtl, D.F.Anagnostopoulos, D.S.Covita, H.Fuhrmann, H.Gorke, D.Gotta, A.Gruber, M.Hennebach, P.Indelicato, Th.S.Jensen, E.-O.Le Bigot, Y.-W.Liu, V.E.Markushin, J.Marton, M.Nekipelov, J.M.F.dos Santos, L.M.Simons, Th.Strauch, M.Trassinelli, J.F.C.A.Veloso, J.Zmeskal

Redetermination of the strong-interaction width in pionic hydrogen

NUCLEAR REACTIONS 1H(π-, X), E not given; measured reaction products, X-rays; deduced hadronic width of the ground state of pionic hydrogen, pion-nucleon scattering lengths. Paul Scherrer Institute cyclotron trap and a high-resolution Bragg spectrometer with spherically bent crystals.

doi: 10.1140/epja/s10050-021-00387-x
Citations: PlumX Metrics


2016TR06      Phys.Lett. B 759, 583 (2016)

M.Trassinelli, D.F.Anagnostopoulos, G.Borchert, A.Dax, J.-P.Egger, D.Gotta, M.Hennebach, P.Indelicato, Y.-W.Liu, B.Manil, N.Nelms, L.M.Simons, A.Wells

Measurement of the charged pion mass using X-ray spectroscopy of exotic atoms

doi: 10.1016/j.physletb.2016.06.025
Citations: PlumX Metrics


2014HE33      Eur.Phys.J. A 50, 190 (2014); Erratum Eur.Phys.J. A 55, 24 (2019)

M.Hennebach, D.F.Anagnostopoulos, A.Dax, H.Fuhrmann, D.Gotta, A.Gruber, A.Hirtl, P.Indelicato, Y.-W.Liu, B.Manil, V.E.Markushin, A.J.R.El Hassani, L.M.Simons, M.Trassinelli, J.Zmeskal

Hadronic shift in pionic hydrogen

ATOMIC PHYSICS 1H; measured X-ray diffraction using quartz and silicon; deduced hadronic ground-state shift vs gas density; calculated pionic hydrogen E(X), hadronic shift.

doi: 10.1140/epja/i2014-14190-x
Citations: PlumX Metrics


2011ST17      Eur.Phys.J. A 47, 88 (2011)

Th.Strauch, F.D.Amaro, D.F.Anagnostopoulos, P.Buhler, D.S.Covita, H.Gorke, D.Gotta, A.Gruber, A.Hirtl, P.Indelicato, E.-O.Le Bigot, M.Nekipelov, J.M.F.dos Santos, Ph.Schmid, S.Schlesser, L.M.Simons, M.Trassinelli, J.F.C.A.Veloso, J.Zmeskal

Pionic deuterium

ATOMIC PHYSICS 2H(π-, X), E at 0-112 MeV/c Mesic Atoms; measured X-rays; deduced atomic levels, level width, hadronic shift of levels, hadronic broadening of levels, scattering length, threshold parameters for pion production.

doi: 10.1140/epja/i2011-11088-1
Citations: PlumX Metrics


2010ST02      Phys.Rev.Lett. 104, 142503 (2010)

Th.Strauch, F.D.Amaro, D.F.Anagnostopoulos, P.Buhler, D.S.Covita, H.Gorke, D.Gotta, A.Gruber, A.Hirtl, P.Indelicato, E.-O.Le Bigot, M.Nekipelov, J.M.F.dos Santos, S.Schlesser, Ph.Schmid, L.M.Simons, M.Trassinelli, J.F.C.A.Veloso, J.Zmeskal

Precision Determination of the dπ <-> NN Transition Strength at Threshold

doi: 10.1103/PhysRevLett.104.142503
Citations: PlumX Metrics


2003AN33      Nucl.Phys. A721, 849c (2003)

D.F.Anagnostopoulos, M.Cargnelli, H.Fuhrmann, M.Giersch, D.Gotta, A.Gruber, M.Hennebach, A.Hirtl, P.Indelicato, Y.W.Liu, B.Manil, V.E.Markushin, J.Marton, N.Nelms, L.M.Simons, M.Trasinelli, J.Zmeskal

Precision measurements in pionic hydrogen

ATOMIC PHYSICS, Mesic-atoms 1H; measured X-ray spectra from pionic hydrogen.

NUCLEAR REACTIONS 1H(π-, X), E at rest; measured X-ray spectra from pionic hydrogen.

doi: 10.1016/S0375-9474(03)01224-7
Citations: PlumX Metrics


2003GO12      Phys.Scr. T104, 94 (2003)

D.Gotta, M.Hennebach, Y.-W.Liu, V.E.Markushin, L.M.Simons, M.Cargnelli, H.Fuhrmann, M.Giersch, A.Gruber, A.Hirtl, J.Marton, J.Zmeskal, P.Indelicato, B.Manil, M.Trasinelli, D.F.Anagnostopoulos, N.Nelms

Precision Measurements in Pionic Hydrogen Paul Scherrer Institut, CH-5232 Villigen, Switzerland

ATOMIC PHYSICS, Mesic-atoms 1H; measured pressure dependence of ground state energy shift, broadening in pionic hydrogen.

doi: 10.1238/Physica.Topical.104a00094
Citations: PlumX Metrics


2003MA73      Hyperfine Interactions 146-147, 343 (2003)

B.Manil, D.F.Anagnostopoulos, S.Biri, G.L.Borchert, W.Breunlich, J.P.Egger, D.Gotta, A.Gruber, M.Hennebach, P.Indelicato, T.Jensen, Y.W.Liu, V.Markushin, N.Nelms, L.M.Simons, H.Zmeskal

Measurement of the Strong Interaction Shift and Width of the Ground State of Pionic Hydrogen

ATOMIC PHYSICS, Mesic-atoms 1H, O; measured transition energies and widths in pionic hydrogen and oxygen.

doi: 10.1023/B:HYPE.0000004221.86162.c0
Citations: PlumX Metrics


2001BO58      Hyperfine Interactions 132, 195 (2001)

G.L.Borchert, B.Manil, D.Anagnostopoulos, J.P.Egger, D.Gotta, M.Hennebach, P.Indelicato, Y.W.Liu, N.Nelms, L.M.Simons

Precision Measurement of the Charged Pion Mass by High Resolution X-Ray Spectroscopy

ATOMIC PHYSICS, Mesic-atoms O(μ-, X), N(π-, X), E at rest; measured X-ray spectra.

doi: 10.1023/A:1011967821361
Citations: PlumX Metrics


2001SC40      Eur.Phys.J. C 21, 473 (2001)

H.-Ch.Schroder, A.Badertscher, P.F.A.Goudsmit, M.Janousch, H.J.Leisi, E.Matsinos, D.Sigg, Z.G.Zhao, D.Chatellard, J.-P.Egger, K.Gabathuler, P.Hauser, L.M.Simons, A.J.R.El Hassani

The Pion-Nucleon Scattering Lengths from Pionic Hydrogen and Deuterium

ATOMIC PHYSICS, Mesic-atoms 1,2H(π-, X), E at rest; measured X-ray spectra; deduced strong-interaction energy level shift, decay widths, pion-nucleon scattering length.

NUCLEAR REACTIONS 1,2H(π-, X), E at rest; measured X-ray spectra; deduced strong-interaction energy level shift, decay widths, pion-nucleon scattering length.


2000BO58      Hyperfine Interactions 127, 149 (2000)

G.L.Borchert, D.Anagnostopoulos, M.Augsburger, C.Castelli, D.Chatellard, J.P.Egger, P.El-Khoury, M.Elble, H.Gorke, D.Gotta, P.Hauser, P.Indelicato, K.Kirch, S.Lenz, N.Nelms, K.Rashid, O.W.B.Schult, Th.Siems, L.M.Simons

High resolution X-ray spectroscopy in light antiprotonic atoms

ATOMIC PHYSICS 1,2H, 3He, 20Ne(p-bar, X), E at rest; measured antiprotonic atoms energy levels. Focussing crystal spectrometer.

doi: 10.1023/A:1012675013623
Citations: PlumX Metrics


2000PO33      Hyperfine Interactions 127, 161 (2000)

R.Pohl, F.Biraben, C.A.N.Conde, C.Donche-Gay, T.W.Hansch, F.J.Hartmann, P.Hauser, V.W.Hughes, O.Huot, P.Indelicato, P.Knowles, F.Kottmann, Y.-W.Liu, F.Mulhauser, F.Nez, C.Petitjean, P.Rabinowitz, J.M.F.dos Santos, L.A.Schaller, H.Schneuwly, W.Schott, L.M.Simons, D.Taqqu, F.Trehin, J.F.C.A.Veloso

Experiment to measure the Lamb shift in muonic hydrogen

ATOMIC PHYSICS, Mesic-atoms 1H(μ-, X), E=low; measured muonic atoms kinetic energy distribution; deduced metastable state population. Application to proposed experiment discussed.

doi: 10.1023/A:1012679114531
Citations: PlumX Metrics


1999AU06      Phys.Lett. 461B, 417 (1999)

M.Augsburger, D.F.Anagnostopoulos, G.Borchert, D.Chatellard, J.-P.Egger, P.El-Khoury, H.Gorke, D.Gotta, P.Hauser, P.Indelicato, K.Kirch, S.Lenz, K.Rashid, Th.Siems, L.M.Simons

Measurement of the Strong Interaction Parameters in Antiprotonic Deuterium

NUCLEAR REACTIONS 2H(p-bar, X), E at rest; measured antiprotonic deuterium X-ray spectra; deduced strong interaction parameters, mean absorption width.

ATOMIC PHYSICS 2H(p-bar, X), E at rest; measured antiprotonic deuterium X-ray spectra; deduced strong interaction parameters, mean absorption width.

doi: 10.1016/S0370-2693(99)00840-0
Citations: PlumX Metrics


1999AU07      Nucl.Phys. A658, 149 (1999)

M.Augsburger, D.F.Anagnostopoulos, G.Borchert, D.Chatellard, J.-P.Egger, P.El-Khoury, H.Gorke, D.Gotta, P.Hauser, P.Indelicato, K.Kirch, S.Lenz, K.Rashid, Th.Siems, L.M.Simons

Measurement of the Strong Interaction Parameters in Antiprotonic Hydrogen and Probable Evidence for an Interference with Inner Bremsstrahlung

ATOMIC PHYSICS 1H(p-bar, X), E at rest; measured antiprotonic hydrogen strong interaction parameters; deduced inner bremsstrahlung effects. Comparison with previous results.

NUCLEAR REACTIONS 1H(p-bar, X), E at rest; measured antiprotonic hydrogen strong interaction parameters; deduced inner bremsstrahlung effects. Comparison with previous results.

doi: 10.1016/S0375-9474(99)00352-8
Citations: PlumX Metrics


1999AU08      Hyperfine Interactions 118, 59 (1999)

M.Augsburger, D.F.Anagnostopoulos, G.Borchert, D.Chatellard, J.-P.Egger, P.El-Khoury, H.Gorke, D.Gotta, P.Hauser, P.Indelicato, K.Kirch, S.Lenz, Th.Siems, L.M.Simons

Measurement of strong interaction parameters in antiprotonic hydrogen and deuterium

NUCLEAR REACTIONS 1,2H(p-bar, X), E at rest; measured X-ray spectra from antiprotonic hydrogen, deuterium; deduced strong interaction shift.

ATOMIC PHYSICS 1,2H(p-bar, X), E at rest; measured X-ray spectra from antiprotonic hydrogen, deuterium; deduced strong interaction shift.

doi: 10.1023/A:1012676201192
Citations: PlumX Metrics


1999GO14      Nucl.Phys. A655, 305c (1999)

D.Gotta, D.F.Anagnostopoulos, M.Augsburger, G.Borchert, C.Castelli, D.Chatellard, P.El-Khoury, J.-P.Egger, H.Gorke, P.Hauser, P.Indelicato, K.Kirch, S.Lenz, N.Nelms, K.Rashid, O.W.B.Schult, Th.Siems, L.M.Simons

New Results on Strong-Interaction Effects in Antiprotonic Hydrogen

ATOMIC PHYSICS 1,2H(p-bar, X), E at rest; measured X-ray spectra; deduced antiprotonic atoms level energies, widths.

doi: 10.1016/S0375-9474(99)00218-3
Citations: PlumX Metrics


1999GO27      Nucl.Phys. A660, 283 (1999)

D.Gotta, D.F.Anagnostopoulos, M.Augsburger, G.Borchert, C.Castelli, D.Chatellard, J.-P.Egger, P.El-Khoury, H.Gorke, P.Hauser, P.Indelicato, K.Kirch, S.Lenz, N.Nelms, K.Rashid, Th.Siems, L.M.Simons

Balmer α Transitions in Antiprotonic Hydrogen and Deuterium

ATOMIC PHYSICS 1,2H(p-bar, X), E at rest; measured X-ray spectra; deduced hfs, hadronic level shift, broadening. Comparison with model predictions. Crystal spectrometer.

doi: 10.1016/S0375-9474(99)00385-1
Citations: PlumX Metrics


1999SC40      Phys.Lett. 469B, 25 (1999)

H.-Ch.Schroder, A.Badertscher, P.F.A.Goudsmit, M.Janousch, H.J.Leisi, E.Matsinos, D.Sigg, Z.G.Zhao, D.Chatellard, J.-P.Egger, E.Jeannet, K.Gabathuler, P.Hauser, L.M.Simons, A.J.R.El Hassani

Determination of the πN Scattering Lengths from Pionic Hydrogen

ATOMIC PHYSICS, Mesic-atoms 1H; measured X-ray spectra; deduced pionic hydrogen level energy, width, πN scattering lengths.

doi: 10.1016/S0370-2693(99)01237-X
Citations: PlumX Metrics


1998HA44      Nucl.Instrum.Methods Phys.Res. A411, 389 (1998)

P.Hauser, K.Kirch, F.Kottmann, L.M.Simons

Absolute X-Ray Yields of Light Muonic Atoms

ATOMIC PHYSICS, Mesic-atoms H, He, N, O, Ne; measured muonic atoms X-ray spectra; deduced absolute X-ray yields. Low density gas targets.

doi: 10.1016/S0168-9002(98)00355-6
Citations: PlumX Metrics


1998HA47      Phys.Rev. C58, R1869 (1998)

P.Hauser, K.Kirch, L.M.Simons, G.Borchert, D.Gotta, Th.Siems, P.El-Khoury, P.Indelicato, M.Augsburger, D.Chatellard, J.-P.Egger, D.F.Anagnostopoulos

New Precision Measurement of the Pionic Deuterium s-Wave Strong Interaction Parameters

ATOMIC PHYSICS, Mesic-atoms 2H(π-, X), E at rest; measured X-ray spectra. 2H deduced pionic deuterium 1s level width, strong interaction shift, s-wave scattering length.

doi: 10.1103/PhysRevC.58.R1869
Citations: PlumX Metrics


1998LE02      Phys.Lett. 416B, 50 (1998)

S.Lenz, G.Borchert, H.Gorke, D.Gotta, T.Siems, D.F.Anagnostopoulos, M.Augsburger, D.Chatellard, J.P.Egger, D.Belmiloud, P.El-Khoury, P.Indelicato, M.Daum, P.Hauser, K.Kirch, L.M.Simons

A New Determination of the Mass of the Charged Pion

NUCLEAR REACTIONS 14N(π-, X), E at rest; measured X-ray spectrum; deduced m(π), fine structure splitting. Crystal spectrometer.

ATOMIC PHYSICS, Mesic-atoms 14N(π-, X), E at rest; measured X-ray spectrum; deduced m(π), fine structure splitting. Crystal spectrometer.

doi: 10.1016/S0370-2693(97)01337-3
Citations: PlumX Metrics


1997AN19      Nucl.Phys. A626, 375c (1997)

D.Anagnostopoulos, M.Augsburger, D.Belmiloud, G.Borchert, D.Chatellard, M.Daum, J.P.Egger, P.El-Khoury, R.Frosch, H.Gorke, D.Gotta, P.Hauser, P.Indelicato, K.Kirch, S.Lenz, T.Siems, L.M.Simons

A New Determination of the Pion Mass

ATOMIC PHYSICS, Mesic-Atoms N(π-, X), E=low; measured pionic nitrogen X-ray spectra; deduced pion mass. Cyclotron trap, crystal spectrometer.

doi: 10.1016/S0375-9474(97)00560-5
Citations: PlumX Metrics


1997CH44      Nucl.Phys. A625, 855 (1997)

D.Chatellard, J.-P.Egger, E.Jeannet, A.Badertscher, M.Bogdan, P.F.A.Goudsmit, M.Janousch, H.J.Leisi, E.Matsinos, H.-Ch.Schroder, D.Sigg, Z.G.Zhao, E.C.Aschenauer, K.Gabathuler, P.Hauser, L.M.Simons, A.J.R.El Hassani

X-Ray Spectroscopy of the Pionic Deuterium Atom

NUCLEAR REACTIONS 1,2H(π-, X), E at 85 MeV/c; measured X-ray spectra; deduced 1S-level strong interaction shift, width, pionic deuterium S-wave scattering length.

ATOMIC PHYSICS, Mesic-Atoms 1,2H(π-, X), E at 85 MeV/c; measured X-ray spectra; deduced 1S-level strong interaction shift, width, pionic deuterium S-wave scattering length.

doi: 10.1016/S0375-9474(97)00466-1
Citations: PlumX Metrics


1996AN22      Yad.Fiz. 59, No 9, 1562 (1996); Phys.Atomic Nuclei 59, 1503 (1996)

D.Anagnostopoulos, N.Alexandropoulos, M.Augsburger, G.Borchert, D.Chatellard, P.El-Khoury, J.-P.Egger, M.Elble, H.Gorke, D.Gotta, P.Hauser, P.Indelicato, K.Kirch, S.Lenz, K.Rashid, O.W.B.Schult, Th.Siems, L.M.Simons, and the PS207 Collaboration

Protonium X-Ray Spectroscopy

NUCLEAR REACTIONS 2,1H, 4He, 20Ne(p-bar, X), E at rest; measured antiprotonic X-rays; deduced cyclotron trap characteristics.

ATOMIC PHYSICS 2,1H, 4He, 20Ne(p-bar, X), E at rest; measured antiprotonic X-rays; deduced cyclotron trap characteristics.


1996SI21      Nucl.Phys. A609, 269 (1996); Erratum Nucl.Phys. A617, 526 (1997)

D.Sigg, A.Badertscher, M.Bogdan, P.F.A.Goudsmit, H.J.Leisi, H.-Ch.Schroder, Z.G.Zhao, D.Chatellard, J.-P.Egger, E.Jeannet, E.C.Aschenauer, K.Gabathuler, L.M.Simons, A.J.R.El Hassani

The Strong Interaction Shift and Width of the Ground State of Pionic Hydrogen

ATOMIC PHYSICS, Mesic-Atoms 1H(π-, X), E at rest; measured X-ray spectra; deduced strong interaction shift, width.

doi: 10.1016/S0375-9474(96)00280-1
Citations: PlumX Metrics


1995BA19      Nucl.Phys. A585, 49c (1995)

A.Badertscher, E.C.Aschenauer, M.Bogdan, D.Chatellard, J.-P.Egger, P.F.A.Goudsmit, K.Gabathuler, P.Hauser, A.J.R.El Hassani, E.Jeannet, M.Janousch, H.J.Leisi, E.Matsinos, H.-Ch.Schroder, D.Sigg, L.M.Simons, Z.G.Zhao

Measurement of the Strong Interaction Shift and Width of the 1S State in Pionic Hydrogen

ATOMIC PHYSICS, Mesic-Atoms 1H(π-, X), E at rest; measured X-ray spectra; deduced 3P-1S transition energy, line shape.

NUCLEAR REACTIONS 1H(π-, X), E at rest; measured X-ray spectra; deduced 3P-1S transition energy, line shape.

doi: 10.1016/0375-9474(94)00542-U
Citations: PlumX Metrics


1995CH50      Phys.Rev.Lett. 74, 4157 (1995)

D.Chatellard, J.-P.Egger, E.Jeannet, A.Badertscher, M.Bogdan, P.F.A.Goudsmit, H.J.Leisi, E.Matsinos, H.-Ch.Schroder, D.Sigg, Z.G.Zhao, E.C.Aschenauer, K.Gabathuler, P.Hauser, L.M.Simons, A.J.R.El Hassani

Determination of the S-Wave Scattering Length in Pionic Deuterium with a High Resolution Crystal Spectrometer

NUCLEAR REACTIONS 2H(π-, X), E at 85 MeV/c; measured X-ray spectra; deduced 1S level strong interaction shift, total decay width.

ATOMIC PHYSICS, Mesic-Atoms 2H(π-, X), E at 85 MeV/c; measured X-ray spectra; deduced 1S level strong interaction shift, total decay width.

doi: 10.1103/PhysRevLett.74.4157
Citations: PlumX Metrics


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.


1995SI25      Phys.Rev.Lett. 75, 3245 (1995)

D.Sigg, A.Badertscher, M.Bogdan, P.F.A.Goudsmit, H.J.Leisi, E.Matsinos, H.-Ch.Schroder, Z.G.Zhao, D.Chatellard, J.-P.Egger, E.Jeannet, E.C.Aschenauer, K.Gabathuler, L.M.Simons, A.J.R.El Hassani

Strong Interaction Shift and Width of the 1s Level in Pionic Hydrogen

NUCLEAR REACTIONS 1H(π-, X), E at rest; measured pionic X-rays; deduced strong interaction shift, width.

ATOMIC PHYSICS, Mesic-Atoms 1H(π-, X), E at rest; measured pionic X-rays; deduced strong interaction shift, width.

doi: 10.1103/PhysRevLett.75.3245
Citations: PlumX Metrics


1994HO25      Nucl.Instrum.Methods Phys.Res. B85, 736 (1994)

D.Horvath, E.C.Aschenauer, D.Cauz, D.Chatellard, P.DeCecco, J.Eades, J.-P.Egger, K.Elsener, P.Eugster, F.Formisano, G.Gorini, P.Hauser, F.Kottmann, I.Krafcsik, V.Lagomarsino, G.Manuzio, J.Missimer, R.Poggiani, L.M.Simons, G.Testera, G.Torelli, F.Waldner

Deceleration of MeV Antiprotons and Muons to keV Energies - The Anticyclotron A Progress Report

doi: 10.1016/0168-583X(94)95913-7
Citations: PlumX Metrics


1993BA75      Nucl.Instrum.Methods Phys.Res. A335, 470 (1993)

A.Badertscher, M.Bogdan, P.F.A.Goudsmit, L.Knecht, H.J.Leisi, H.Ch.Schroder, D.Sigg, Z.G.Zhao, D.Chatellard, J.-P.Egger, E.Jeannet, E.C.Aschenauer, K.Gabathuler, L.M.Simons, A.J.R.El-Hassani

A High Resolution Reflecting Crystal Spectrometer to Measure 3 keV Pionic Hydrogen and Deuterium X-Rays

NUCLEAR REACTIONS 9Be(π-, X), E at rest; measured pionic X-ray spectra. High resolution crystal spectrometer.

ATOMIC PHYSICS, Mesic-Atoms 9Be(π-, X), E at rest; measured pionic X-ray spectra. High resolution crystal spectrometer.

doi: 10.1016/0168-9002(93)91232-C
Citations: PlumX Metrics


1992HA14      Z.Phys. A342, 111 (1992)

H.Hanscheid, P.David, H.Folger, J.Konijn, C.T.A.M.de Laat, C.Petitjean, H.W.Reist, F.Risse, Ch.Rosel, L.A.Schaller, L.Schellenberg, W.Schrieder, L.M.Simons, A.Taal

Nuclear Excitation and Prompt Fission in Muonic 238U

NUCLEAR REACTIONS 238U(μ-, F), E at 43 MeV/c; measured fission (fragment)γ-, γγ-, muonic (X-ray)(fragment)-coin, (X-ray)(fragment)(t); deduced fission barrier augmentation, nonradiative transitions role, fission probabilities.

ATOMIC PHYSICS, Mesic-Atoms 238U(μ-, F), E at 42 MeV/c; measured fission (fragment)γ-, γγ-, muonic (X-ray)(fragment)-coin, (X-ray)(fragment)(t); deduced fission barrier augmentation, nonradiative transitions role, fission probabilities.


1992HE10      Z.Phys. A342, 359 (1992)

K.Heitlinger, R.Bacher, A.Badertscher, P.Blum, J.Eades, J.Egger, K.Elsener, D.Gotta, E.Morenzoni, L.M.Simons

Precision Measurement of Antiprotonic Hydrogen and Deuterium X-Rays

ATOMIC PHYSICS 1,2H(p-bar, X), E at 105 MeV/c; measured X-ray spectra; deduced Lyman α transition shift, width.

doi: 10.1007/BF01291519
Citations: PlumX Metrics


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


1991RO10      Z.Phys. A340, 199 (1991)

Ch.Rosel, P.David, H.Folger, H.Hanscheid, J.Konijn, C.T.A.M.de Laat, C.Petitjean, H.W.Reist, F.Risse, L.A.Schaller, L.Schellenberg, W.Schrieder, L.M.Simons, A.K.Sinha, A.Taal

Radiationless Transition Probabilities in Muonic 208Pb, 232Th, and 238U

NUCLEAR REACTIONS 208Pb, 232Th, 238U(μ-, γ), (μ-, X), E at 42-54 MeV/c; measured γγ-coin, X-ray spectra, Eγ, Iγ. 208Pb, 232Th, 238U deduced nonradiative transition probabilities.

ATOMIC PHYSICS, Mesic-Atoms 208Pb, 232Th, 238U(μ-, γ), (μ-, X), E at 42-54 MeV/c; measured γγ-coin, X-ray spectra, Eγ, Iγ. 208Pb, 232Th, 238U deduced nonradiative transition probabilities.


1991SC05      Z.Phys. A338, 217 (1991)

M.Schneider, R.Bacher, P.Blum, D.Gotta, K.Heitlinger, W.Kunold, D.Rohmann, J.Egger, L.M.Simons, K.Elsener

X-Rays from Antiprotonic 3He and 4He

NUCLEAR REACTIONS 3,4He(p-bar, X), E at 309, 202 MeV/c; measured X-ray spectra, yields; deduced strong interaction shifts, widths.

ATOMIC PHYSICS 3,4He(p-bar, X), E at 309, 202 MeV/c; measured X-ray spectra, yields; deduced strong interaction shifts, widths.

doi: 10.1007/BF01284797
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1989BA46      Z.PHYS. A334, 93 (1989)

R.Bacher, P.Blum, D.Gotta, K.Heitlinger, D.Rohmann, M.Schneider, J.Egger, L.M.Simons, K.Elsener

Measurement of Balmer and Lyman X-Rays in Antiprotonic Hydrogen Isotopes at Pressures below 300 hPa

ATOMIC PHYSICS 2,1H(p-bar, X), E at 202 MeV/c; measured X-ray spectra; deduced strong interaction level parameters.


1988SI23      Phys.Scr. T22, 90 (1988)

L.M.Simons

Recent Results on Antiprotonic Atoms using a Cyclotron Trap at LEAR

NUCLEAR REACTIONS 1H(p-bar, X), E at 105 MeV/c; measured antiprotonic atom X-rays. Cyclotron trap.

ATOMIC PHYSICS 1H(p-bar, X), E at 105 MeV/c; measured antiprotonic atom X-rays. Cyclotron trap.

doi: 10.1088/0031-8949/1988/T22/013
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1985BA17      Phys.Rev.Lett. 54, 2087 (1985)

R.Bacher, D.Gotta, L.M.Simons, J.Missimer, N.C.Mukhopadhyay

Muonic Atoms with Vacant Electron Shells

ATOMIC PHYSICS, Mesic-Atoms Ne, Ar; calculated muonic Auger, radiative, Auger and Coster-Kronig transition rates.

doi: 10.1103/PhysRevLett.54.2087
Citations: PlumX Metrics


1983AB02      Nucl.Phys. A395, 413 (1983)

R.Abela, G.Backenstoss, W.Kunold, L.M.Simons, R.Metzner

Measurements of the Polarization of the 2p and 1s States in Muonic Atoms and the Helicity of the Muon in Pion Decay

ATOMIC PHYSICS, Mesic-Atoms Cd, Pd, I, Se; measured muonic X-ray CP; deduced 1s, 2p level μ-spin polarization, depolarization, muon helicity following pion decay. Metallic, amorphous Se modifications.

doi: 10.1016/0375-9474(83)90051-9
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1983KU11      Z.Phys. A313, 11 (1983)

W.Kunold, M.Schneider, L.M.Simons, J.Wuest, R.Abela

Isotope Shift Measurements of Muonic X-Rays in 134,136,138 Barium

NUCLEAR MOMENTS 134,136,138Ba; measured muonic X-ray isotope shifts; deduced optical isotope shift calibration. 134,136Ba deduced rms radii.

ATOMIC PHYSICS, Mesic-Atoms 134,136,138Ba; measured muonic X-ray isotope shifts.

doi: 10.1007/BF02115838
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1982BA43      Phys.Lett. 115B, 445 (1982)

G.Backenstoss, W.Kowald, I.Schwanner, H.J.Weyer, M.Dorr, D.Gotta, G.Schmidt, L.M.Simons, H.Ullrich

Measurement of the Total and Partial K-X-Ray Yields for the pnn- and dn-Reaction Channels of the π--Absorption in 3He

NUCLEAR REACTIONS 3He(π-, d), (π-, np), E at rest; measured K X-ray(d)-, K X-ray(p)-coin; deduced partial K X-ray yields.

ATOMIC PHYSICS, Mesic-Atoms 3He(π-, d), E at rest; measured K X-ray(d)-coin; deduced pionic 3He total K X-ray yield.

doi: 10.1016/0370-2693(82)90389-6
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1982EF01      Z.Phys. A309, 77 (1982)

B.Effenberger, W.Kunold, W.Oesterle, M.Schneider, L.M.Simons, R.Abela, J.Wuest

Determination of the Spectroscopic Quadrupole Moments of 7533As and 6329Cu

NUCLEAR MOMENTS 75As, 63Cu; measured muonic X-rays, hfs splitting; deduced nuclear charge distribution parameters. 75As, 63Cu deduced spectroscopic quadrupole moments.

ATOMIC PHYSICS, Mesic-Atoms 75As, 63Cu; measured muonic X-rays, hfs splitting; deduced nuclear charge distributions, Barrett moments. Model independent analysis.

doi: 10.1007/BF01420154
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1981MI02      Nucl.Phys. A356, 317 (1981)

J.Missimer, L.M.Simons

Nuclear Dynamic Resonance and Neutral Currents in Muonic 16969Tm

ATOMIC PHYSICS, Mesic-Atoms 169Tm; calculated muonic X-ray asymmetry; deduced neutral current, parity violating effects. Nucleus-muon dynamic resonance.

doi: 10.1016/0375-9474(81)90192-5
Citations: PlumX Metrics


1980AB14      Helv.Phys.Acta 53, 300 (1980)

R.Abela, W.Kunold, M.Schneider, L.M.Simons, P.Zsoldos

Suche Nach Einer E0-Anregung im 68Zn und Bestimmung des Quadrupolmomentes im 97Mo Mittels Messung von 2s-2p Ubergangen in μ-Atomen

NUCLEAR MOMENTS 97Mo; measured muonic atom transitions; deduced quadrupole moment.

ATOMIC PHYSICS, Mesic-Atoms 68Zn; measured muonic atom transitions. 68Zn deduced E0 transition probability.


1980BA24      Phys.Lett. B94, 331 (1980)

R.Abela, W.Kunold, L.M.Simons, M.Schneider

Search for a Dynamical E0 Excitation in the Muonic 68Zn Atom

ATOMIC PHYSICS, Mesic-Atoms 68Zn; measured muonic X-rays; deduced no dynamical E0 excitation.

doi: 10.1016/0370-2693(80)90890-4
Citations: PlumX Metrics


1979AB15      Helv.Phys.Acta 52, 418 (1979)

R.Abela, W.Kunold, R.Metzner, L.M.Simons

Zirkularpolarisation myonischer Rontgenstrahlung

ATOMIC PHYSICS Se, Pd, Cd; measured Ep→1s muonic X-CP.


1979AB16      Helv.Phys.Acta 52, 419 (1979)

R.Abela, W.Kunold, R.Metzner, L.M.Simons

Messung der Anisotropie der Aussendungsrichtung myonischer Rontgenstrahlung bezuglich der Strahlrichtung

ATOMIC PHYSICS Se, Sn; measured muonic I(X-ray)(θ); deduced anistropy parameter.


1978BE24      Z.Phys. A286, 215 (1978)

R.Beetz, F.W.N.de Boer, J.K.Panman, J.Konijn, P.Pavlopoulos, G.Tibell, K.Zioutas, I.Bergstrom, K.Fransson, L.Tauscher, P.Blum, R.Guigas, H.Koch, H.Poth, L.M.Simons

High Spin States and Neutron Multiplicities after Pion Capture in 181Ta and 209Bi

NUCLEAR REACTIONS 181Ta, 209Bi(π-, xnγ), E=0 MeV; measured prompt, delayed γ; deduced σ. 194,196,198,200,202,204,206,203,205,207Pb, 202,206,207Tl, 166,168,170,172,174,176,178Hf deduced transitions.

NUCLEAR MOMENTS, Mesic-Atoms 181Ta, 209Bi; measured hyperfine splitting; deduced quadrupole moment.

doi: 10.1007/BF01408978
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1974SC21      Z.Phys. 269, 421 (1974)

G.Schmidt, L.M.Simons

Investigation on the Parity Mixing of the 482 keV Transition in 181Ta by Use of a Backscattering Polarimeter

RADIOACTIVITY 181Hf; measured CP.

doi: 10.1007/BF01668616
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1973SC25      Z.Phys. 263, 395 (1973)

G.Schmidt, L.M.Simons

Measurement of the Parity Mixing of the 501 keV Transition in 180Hf by Use of a Backscattering Polarimeter

RADIOACTIVITY 180mHf; transition measured circular polarization.

doi: 10.1007/BF01391988
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