NSR Query Results
Output year order : Descending NSR database version of May 1, 2024. Search: Author = M.Beck Found 33 matches. 2024BE06 Phys.Rev.Lett. 132, 102501 (2024) M.Beck, W.Heil, Ch.Schmidt, S.Baessler, F.Gluck, G.Konrad, U.Schmidt Reanalysis of the β - ν-bare Angular Correlation Measurement from the aSPECT Experiment with New Constraints on Fierz Interference RADIOACTIVITY 1NN(β-); analyzed 4π by the aSPECT spectrometer data; deduced he electron-antineutrino angular correlation (a coefficient) in free neutron decay inferred from the recoil energy spectrum of the protons, b, the Fierz interference parameter, implications for the standard model.
doi: 10.1103/PhysRevLett.132.102501
2020BE12 Phys.Rev. C 101, 055506 (2020) M.Beck, F.Ayala Guardia, M.Borg, J.Kahlenberg, R.Munoz Horta, C.Schmidt, A.Wunderle, W.Heil, R.Maisonobe, M.Simson, T.Soldner, R.Virot, O.Zimmer, M.Klopf, G.Konrad, S.Baessler, F.Gluck, U.Schmidt Improved determination of the β-νe-bar angular correlation coefficient α in free neutron decay with the α SPECT spectrometer RADIOACTIVITY 1n(β-); measured Ep, Ip, (β-)(electron ν-bar)(θ) using a silicon drift detector for proton detection in 4π by the aSPECT spectrometer using magnetic adiabatic collimation with an electrostatic filter at the Institut Laue Langevin, Grenoble; deduced ratio of axial vector to vector coupling constants, with detailed analysis of systematic uncertainties. Comparison with results of previous experiments.
doi: 10.1103/PhysRevC.101.055506
2017BI08 Phys.Rev. C 95, 045503 (2017) G.Bison, M.Daum, K.Kirch, B.Lauss, D.Ries, P.Schmidt-Wellenburg, G.Zsigmond, T.Brenner, P.Geltenbort, T.Jenke, O.Zimmer, M.Beck, W.Heil, J.Kahlenberg, J.Karch, K.Ross, K.Eberhardt, C.Geppert, S.Karpuk, T.Reich, C.Siemensen, Y.Sobolev, N.Trautmann Comparison of ultracold neutron sources for fundamental physics measurements RADIOACTIVITY 1n(β-); measured ultracold neutron (UCN) density, and UCN lifetime inside the storage bottles at Mainz, PSI, PF2 and SUN-2 systems; experimental comparison of the leading UCN sources currently operating using a standard UCN storage bottle with a volume of 32 liters suitable for search for a permanent electric-dipole moment of the neutron (nEDM), and for other studies of fundamental parameters of the neutron in searches for new charge-parity-violating processes or exotic interactions beyond the Standard Model of particle physics.
doi: 10.1103/PhysRevC.95.045503
2017KA59 Eur.Phys.J. A 53, 226 (2017) J.Kahlenberg, D.Ries, K.U.Ross, C.Siemensen, M.Beck, C.Geppert, W.Heil, N.Hild, J.Karch, S.Karpuk, F.Kories, M.Kretschmer, B.Lauss, T.Reich, Y.Sobolev, N.Trautmann Upgrade of the ultracold neutron source at the pulsed reactor TRIGA Mainz
doi: 10.1140/epja/i2017-12428-9
2016FI09 Eur.Phys.J. A 52, 206 (2016) P.Finlay, M.Breitenfeldt, T.Porobic, E.Wursten, G.Ban, M.Beck, C.Couratin, X.Fabian, X.Flechard, P.Friedag, P.Friedag, F.Gluck, A.Herlert, A.Knecht, V.Y.Kozlov, E.Lienard, G.Soti, M.Tandecki, E.Traykov, S.Van Gorp, Ch.Weinheimer, D.Zakoucky, N.Severijns First high-statistics and high-resolution recoil-ion data from the WITCH retardation spectrometer
doi: 10.1140/epja/i2016-16206-y
2014KA13 Eur.Phys.J. A 50, 78 (2014) J.Karch, Yu.Sobolev, M.Beck, K.Eberhardt, G.Hampel, W.Heil, R.Kieser, T.Reich, N.Trautmann, M.Ziegner Performance of the solid deuterium ultra-cold neutron source at the pulsed reactor TRIGA Mainz
doi: 10.1140/epja/i2014-14078-9
2014VA12 Phys.Rev. C 90, 025502 (2014) S.Van Gorp, M.Breitenfeldt, M.Tandecki, M.Beck, P.Finlay, P.Friedag, F.Gluck, A.Herlert, V.Kozlov, T.Porobic, G.Soti, E.Traykov, F.Wauters, Ch.Weinheimer, D.Zakoucky, N.Severijns First β-ν correlation measurement from the recoil-energy spectrum of Penning trapped 35Ar ions RADIOACTIVITY 35Ar(β+)[from Ca(p, X), E=1.4 GeV]; measured recoil (35Cl) ion energy spectrum, βν(θ) using REXTRAP, WITCH systems at ISOLDE-CERN facility; deduced beta-neutrino correlation coefficient 'a' and compared with predicted value from Standard model. SIMBUCA simulation. Search for exotic currents in weak interactions.
doi: 10.1103/PhysRevC.90.025502
2011BE16 Eur.Phys.J. A 47, 45 (2011) M.Beck, S.Coeck, V.Yu.Kozlov, M.Breitenfeldt, P.Delahaye, P.Friedag, F.Gluck, M.Herbane, A.Herlert, I.S.Kraev, J.Mader, M.Tandecki, S.Van Gorp, F.Wauters, Ch.Weinheimer, F.Wenander, N.Severijns, and the ISOLDE Collaboration First detection and energy measurement of recoil ions following beta decay in a Penning trap with the WITCH experiment RADIOACTIVITY 124In(β-); measured decay products, recoil ions; deduced recoil energy spectrum. Penning trap measurements.
doi: 10.1140/epja/i2011-11045-0
2010BE31 Eur.Phys.J. A 44, 499 (2010) M.Beck, K.Valerius, J.Bonn, K.Essig, F.Gluck, H.-W.Ortjohann, B.Ostrick, E.W.Otten, Th.Thummler, M.Zboril, C.Weinheimer Effect of a sweeping conductive wire on electrons stored in a Penning-like trap between the KATRIN spectrometers
doi: 10.1140/epja/i2010-10959-1
2010GO08 Phys.Rev. C 81, 054323 (2010) V.V.Golovko, I.S.Kraev, T.Phalet, B.Delaure, M.Beck, V.Yu.Kozlov, S.Coeck, F.Wauters, P.Herzog, Ch.Tramm, D.Zakoucky, D.Venos, D.Srnka, M.Honusek, U.Koster, N.Severijns Magnetic moment of 104Agm and the hyperfine magnetic field of Ag in Fe using nuclear magnetic resonance on oriented nuclei NUCLEAR MOMENTS 104mAg; measured resonance frequencies and magnetic moment by nuclear magnetic resonance on oriented nuclei at ISOLDE/CERN. deduced hyperfine field of Ag impurities in Fe. β-NMR/ON method. Comparison with magnetic moments of 102,104,106,108,110Ag and shell model calculations. RADIOACTIVITY 104Ag(EC), (β+)[from 104Cd(EC), (β+) formed in Sn(p, X), E=1.4GeV]; measured Eγ, Iγ, Eβ, Iβ, γ(θ).
doi: 10.1103/PhysRevC.81.054323
2010WA40 Phys.Rev. C 82, 055502 (2010) F.Wauters, I.Kraev, D.Zakoucky, M.Beck, M.Breitenfeldt, V.De Leebeeck, V.V.Golovko, V.Yu.Kozlov, T.Phalet, S.Roccia, G.Soti, M.Tandecki, I.S.Towner, E.Traykov, S.Van Gorp, N.Severijns Precision measurements of the 60Co β-asymmetry parameter in search for tensor currents in weak interactions RADIOACTIVITY 60Co(β-); measured E(β), I(β), γ(θ), β asymmetry parameter using a polarized 60Co source with low-temperature nuclear orientation method. 57Co, 54Mn(EC); measured γ(θ) and used as references for temperature measurement. Systematics of β-asymmetry parameters for Gamow-Teller transitions and for T=1/2 mirror nuclei. Tensor currents in weak interactions.
doi: 10.1103/PhysRevC.82.055502
2006BA52 Nucl.Instrum.Methods Phys.Res. A565, 711 (2006) G.Ban, M.Beck, A.Bialek, K.Bodek, P.Gorel, K.Kirch, St.Kistryn, A.Kozela, M.Kuzniak, A.Lindroth, O.Naviliat-Cuncic, J.Pulut, N.Severijns, E.Stephan, J.Zejma A Mott polarimeter for the search of time reversal violation in the decay of free neutrons RADIOACTIVITY 1n(β-); measured electron polarization following decay of polarized cold neutrons.
doi: 10.1016/j.nima.2006.05.166
2006GO32 Phys.Rev. C 74, 044313 (2006) V.V.Golovko, I.S.Kraev, T.Phalet, N.Severijns, D.Venos, D.Zakoucky, P.Herzog, C.Tramm, U.Koster, D.Srnka, M.Honusek, B.Delaure, M.Beck, V.Yu.Kozlov, A.Lindroth Nuclear spin-lattice relaxation of 62Cu at low temperatures in iron NUCLEAR MOMENTS 62Cu; measured nuclear spin-lattice relaxation rate in iron.
doi: 10.1103/PhysRevC.74.044313
2006KO63 Int.J. Mass Spectrom. 251, 159 (2006) V.Yu.Kozlov, N.Severijns, D.Beck, M.Beck, S.Coeck, B.Delaure, A.Lindroth, S.Kopecky, P.Delahaye, F.Wenander, V.V.Golovko, I.S.Kraev, T.Phalet, and the ISOLDE NIPNET and TRAPSPEC Collaborations The WITCH experiment: Completion of a set-up to investigate the structure of weak interactions with a Penning trap RADIOACTIVITY 26mAl, 38mK(β+); measured recoil energy spectrum in β decay, βν(θ). 20Ne, 23Na, 39K; measured excitation, and ion beam properties on the WITCH set-up. Penning trap method. 35Ar; measured half-life and time-of-flight spectrum.
doi: 10.1016/j.ijms.2006.01.050
2005BO35 J.Res.Natl.Inst.Stand.Technol. 110, 461 (2005) K.Bodek, G.Ban, M.Beck, A.Bialek, T.Brys, A.Czarnecki, W.Fetscher, P.Gorel, K.Kirch, St.Kistryn, A.Kozela, M.Kuzniak, A.Lindroth, O.Naviliat-Cuncic, J.Pulut, A.Serebrov, N.Severijns, E.Stephan, J.Zejma Search for Time Reversal Violating Effects: R-Correlation Measurement in Neutron Decay RADIOACTIVITY 1n(β-); measured Eβ. Plans for measurement of time-reversal violating effects discussed.
doi: 10.6028/jres.110.071
2005BY04 J.Res.Natl.Inst.Stand.Technol. 110, 415 (2005) J.Byrne, R.U.Khafizov, Yu A.Mostovoi, O.Rozhnov, V.A.Solovei, M.Beck, V.U.Kozlov, N.Severijns Search for Radiative β-Decay of the Free Neutron RADIOACTIVITY 1n(β-); measured Ep, Eβ, Eγ, pγ-, βγ-, pβ-coin; deduced upper limit for radiative decay branching ratio.
doi: 10.6028/jres.110.063
2005GO44 Phys.Rev. C 72, 064316 (2005) V.V.Golovko, I.S.Kraev, T.Phalet, N.Severijns, D.Zakoucky, D.Venos, P.Herzog, C.Tramm, D.Srnka, M.Honusek, U.Koster, B.Delaure, M.Beck, V.Yu.Kozlov, A.Lindroth, S.Coeck Nuclear magnetic moment of 69As from on-line β-NMR on oriented nuclei RADIOACTIVITY 69As(EC), (β+) [from Zr(p, X)]; measured Eβ, β-asymmetry, β-NMR spectrum from polarized source. 69As deduced μ.
doi: 10.1103/PhysRevC.72.064316
2005SE14 Phys.Rev. C 71, 064310 (2005) N.Severijns, D.Venos, P.Schuurmans, T.Phalet, M.Honusek, D.Srnka, B.Vereecke, S.Versyck, D.Zakoucky, U.Koster, M.Beck, B.Delaure, V.Golovko, I.Kraev Isospin mixing in the T=5/2 ground state of 71As NUCLEAR MOMENTS 71As; measured Eγ, Eβ, β-decay angular distributions from oriented nuclei; deduced β-asymmetry parameter. 71As deduced ground-state admixture. Low-temperature nuclear orientation technique. RADIOACTIVITY 71As(β+); measured Eγ, Eβ, β-decay angular distributions from oriented nuclei; deduced β-asymmetry parameter. 71As deduced ground-state admixture. Low-temperature nuclear orientation technique.
doi: 10.1103/PhysRevC.71.064310
2004GO39 Phys.Rev. C 70, 014312 (2004) V.V.Golovko, I.Kraev, T.Phalet, N.Severijns, B.Delaure, M.Beck, V.Kozlov, A.Lindroth, S.Versyck, D.Zakoucky, D.Venos, D.Srnka, M.Honusek, P.Herzog, C.Tramm, U.Koster, I.S.Towner Nuclear magnetic moment of 59Cu with on-line β-NMR on oriented nuclei RADIOACTIVITY 59Cu(β+); measured Eβ, Iβ(θ, H), NMR spectrum from low-temperature oriented source. 59Cu deduced μ. Comparison with model predictions.
doi: 10.1103/PhysRevC.70.014312
2003LI52 Nucl.Phys. A721, 1103c (2003) A.Lindroth, M.Beck, B.Delaure, V.Yu.Kozlov, N.Severijns, F.Ames, D.Beck, V.V.Golovko, I.Kraev, T.Phalet, S.Versyck WITCH: Testing the Standard Model using a β-recoil Spectrometer with a Trapped Ion Cloud as Source
doi: 10.1016/S0375-9474(03)01295-8
2002BE54 Nucl.Phys. A701, 369c (2002) D.Beck, F.Ames, M.Beck, G.Bollen, B.Delaure, J.Deutsch, J.Dilling, O.Forstner, T.Phalet, R.Prieels, W.Quint, P.Schmidt, P.Schuurmans, N.Severijns, B.Vereecke, S.Versyck, and the EUROTRAPS Collaboration Search for New Physics in Beta-Neutrino Correlations with the WITCH Spectrometer
doi: 10.1016/S0375-9474(01)01612-8
2002BE79 Pisma Zh.Eksp.Teor.Fiz. 76, 392 (2002); JETP Lett. 76, 332 (2002) M.Beck, J.Byrne, R.U.Khafizov, V.Yu.Kozlov, Yu.A.Mostovoi, O.V.Rozhnov, N.Severijns, V.A.Solovei The Upper Limit of the Branching Ratio for Radiative Beta Decay of Free Neutrons RADIOACTIVITY 1n(β-); measured radiative decay mode branching ratio upper limit.
doi: 10.1134/1.1525031
2001BE74 Hyperfine Interactions 132, 473 (2001) D.Beck, F.Ames, M.Beck, G.Bollen, B.Delaure, P.Schuurmans, S.Schwarz, P.Schmidt, N.Severijns, O.Forstner Space Charge Effects in a Gas Filled Penning Trap
doi: 10.1023/A:1011974828147
2000GA61 Hyperfine Interactions 129, 237 (2000) A.Garcia, E.G.Adelberger, C.Ortiz, H.E.Swanson, M.Beck, O.Tengblad, M.J.G.Borge, I.Martel, H.Bichsel, and the ISOLDE Collaboration Positron-neutrino correlations in 32Ar and 33Ar decays: Probes of scalar weak currents and nuclear isospin mixing RADIOACTIVITY 32,33Ar(β+); measured delayed proton spectra, pβ-coin; deduced positron-neutrino correlation, constraints on scalar weak interactions.
doi: 10.1023/A:1012605731737
2000SE23 Hyperfine Interactions 129, 223 (2000) N.Severijns, J.Deutsch, D.Beck, M.Beck, B.Delaure, T.Phalet, R.Prieels, P.Schuurmans, B.Vereecke, S.Versyck Fundamental weak interaction studies using polarised nuclei and ion traps RADIOACTIVITY 17F(β+), 118Sb(β+), (EC); measured polarization asymmetry correlation. Polarized nuclei.
doi: 10.1023/A:1012665917625
1999AD10 Phys.Rev.Lett. 83, 1299 (1999); Erratum Phys.Rev.Lett. 83, 3101 (1999) E.G.Adelberger, C.Ortiz, A.Garcia, H.E.Swanson, M.Beck, O.Tengblad, M.J.G.Borge, I.Martel, H.Bichsel, and the ISOLDE Collaboration Positron-Neutrino Correlation in the 0+ → 0+ Decay of 32Ar RADIOACTIVITY 32Ar(β+); measured delayed proton spectra, pβ-coin; deduced positron-neutrino correlation, constraints on scalar weak interactions.
doi: 10.1103/PhysRevLett.83.1299
1995BA84 Phys.Lett. 356B, 450 (1995) A.Balysh, M.Beck, S.T.Belyaev, J.Bockholt, A.Demehin, A.Gurov, J.Hellmig, G.Heusser, M.Hirsch, Ch.Hoffmann, H.V.Klapdor-Kleingrothaus, I.Kondratenko, D.Kotelnikov, V.I.Lebedev, B.Maier, A.Muller, H.Pas, F.Petry, E.Scheer, H.Strecker, M.Vollinger Sub-eV Limit for the Neutrino Mass from 76Ge Double Beta Decay by the HEIDELBERG-MOSCOW Experiment RADIOACTIVITY 76Ge(2β); measured γ spectra, T1/2 lower limit, different confidence limits; deduced effective Majorana, superheavy neutrino mass upper limits, implications to standard model. Hyperpure Ge detectors.
doi: 10.1016/0370-2693(95)00817-5
1994BA15 Phys.Lett. 322B, 176 (1994) A.Balysh, M.Beck, S.T.Belyaev, F.Bensch, J.Bockholt, A.Demekhin, A.Gurov, G.Heusser, H.V.Klapdor-Kleingrothaus, I.Kondratenko, D.Kotelnikov, V.I.Lebedev, B.Maier, A.Muller, F.Petry, A.Piepke, A.Pronsky, H.Strecker, M.Vollinger, K.Zuber Measurement of the ββ2ν Decay of 76Ge RADIOACTIVITY 76Ge(2β); measured 2ν-accompanied 2β-decay T1/2. Comparison with other data.
doi: 10.1016/0370-2693(94)91103-7
1994BE37 Phys.Lett. 336B, 141 (1994) M.Beck, F.Bensch, J.Bockholt, G.Heusser, H.V.Klapdor-Kleingrothaus, B.Maier, F.Petry, A.Piepke, H.Strecker, M.Vollinger, K.Zuber, A.Balysh, S.T.Belyaev, A.Demehin, A.Gurov, I.Kondratenko, V.I.Lebedev, A.Muller Searching for Dark Matter with the Enriched Ge Detectors of Heidelberg-Moscow ββ Experiment
doi: 10.1016/0370-2693(94)01000-5
1994PI05 Nucl.Phys. A577, 493 (1994) A.Piepke, M.Beck, J.Bockholt, D.Glatting, G.Heusser, H.V.Klapdor-Kleingrothaus, B.Maier, F.Petry, U.Schmidt-Rohr, H.Strecker, M.Vollinger, A.S.Barabash, U.V.Umatov, A.Muller, J.Suhonen Investigation of the ββ Decay of 116Cd into Excited States of 116Sn RADIOACTIVITY 116Cd(2β); measured T1/2 limits. Isotopically enriched Cd sample, low-background Ge detector. Quasiparticle RPA model calculation comparison.
doi: 10.1016/0375-9474(94)90930-X
1993BE14 Phys.Rev.Lett. 70, 2853 (1993) M.Beck, F.Bensch, J.Bockholt, G.Heusser, M.Hirsch, H.V.Klapdor-Kleingrothaus, B.Maier, F.Petry, A.Piepke, H.Strecker, M.Vollinger, K.Zuber, A.Balysh, S.T.Belyaev, A.Demekhin, A.Gurov, I.Kondratenko, V.I.Lebedev, A.Muller Investigation of the Majoron-Accompanied Double-Beta Decay Mode of 76Ge RADIOACTIVITY 76Ge(2β); measured 2β-decay T1/2 lower limit; deduced Majoron-neutrino coupling limit.
doi: 10.1103/PhysRevLett.70.2853
1992BA25 Phys.Lett. 283B, 32 (1992) A.Balysh, M.Beck, S.T.Belyaev, J.Bockholt, A.Demekhin, J.Echternach, A.Gurov, G.Heusser, M.Hirsch, H.V.Klapdor-Kleingrothaus, I.Kondratenko, V.I.Lebedev, B.Maier, A.Muller, F.Petry, A.Piepke, U.Schmidt-Rohr, H.Strecker, K.Zuber The Heidelberg-Moscow Double Beta Decay Experiment with Enriched 76Ge. First Results RADIOACTIVITY 76Ge(2β); measured neutrinoless β-decay T1/2 lower limits; deduced neutrino Majorana mass upper limits. Enriched source.
doi: 10.1016/0370-2693(92)91421-5
1992BE20 Z.Phys. A343, 397 (1992) M.Beck, J.Bockholt, J.Echternach, G.Heusser, M.Hirsch, H.V.Klapdor-Kleingrothaus, A.Piepke, H.Strecker, K.Zuber, A.Bakalyarov, A.Balysh, S.T.Belyaev, A.Demekhin, A.Gurov, I.Kondratenko, V.I.Lebedev, A.Pronsky, A.Muller New Half Life Limits for the ββ(2ν + 0ν) Decay of 76Ge to the Excited States of 76Se from the Heidelberg-Moscow ββ Experiment RADIOACTIVITY 76Ge(2β); measured 0ν-, 2ν-accompanied β-decay T1/2 limits. Refined germanium passive shielding background spectrum.
doi: 10.1007/BF01289815
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