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NSR database version of April 11, 2024.

Search: Author = S.Baessler

Found 16 matches.

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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
Citations: PlumX Metrics


2023HA20      Phys.Rev. C 107, 065503 (2023)

L.Hayen, J.H.Choi, D.Combs, R.J.Taylor, S.Baessler, N.Birge, L.J.Broussard, C.B.Crawford, N.Fomin, M.Gericke, F.Gonzalez, A.Jezghani, N.Macsai, M.Makela, D.G.Mathews, R.Mammei, M.McCrea, A.Mendelsohn, A.Nelsen, G.Riley, T.Shelton, S.Sjue, E.Smith, A.R.Young, B.Zeck

Precision pulse shape simulation for proton detection at the Nab experiment

doi: 10.1103/PhysRevC.107.065503
Citations: PlumX Metrics


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
Citations: PlumX Metrics


2019BR14      Hyperfine Interactions 240, 1 (2019)

L.J.Broussard, S.Baessler, T.L.Bailey, N.Birge, J.D.Bowman, C.B.Crawford, C.Cude-Woods, D.E.Fellers, N.Fomin, E.Frlez, M.T.W.Gericke, L.Hayen, A.P.Jezghani, H.Li, N.Macsai, M.F.Makela, R.R.Mammei, D.Mathews, P.L.McGaughey, P.E.Mueller, D.Pocanic, C.A.Royse, A.Salas-Bacci, S.K.L.Sjue, J.C.Ramsey, N.Severijns, E.C.Smith, J.Wexler, R.A.Whitehead, A.R.Young, B.A.Zeck

Using Nab to determine correlations in unpolarized neutron decay

RADIOACTIVITY 45Ca(β-); measured decay products, Eβ, Iβ; deduced sensitivity for the ratio of the weak axial-vector and vector coupling constants.

doi: 10.1007/s10751-018-1538-7
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2009BA39      J.Phys.(London) G36, 104005 (2009)

S.Baessler

Gravitationally bound quantum states of ultracold neutrons and their applications

doi: 10.1088/0954-3899/36/10/104005
Citations: PlumX Metrics


2009KO36      Nucl.Phys. A827, 529c (2009)

G.Konrad, F.Ayala Guardia, S.Baessler, M.Borg, F.Gluck, W.Heil, I.Konorov, K.K.H.Leung, R.Munoz Horta, M.Simson, Y.Sobolev, T.Soldner, H.-F.Wirth, O.Zimmer

The Proton Spectrum in Neutron Beta Decay: Latest Results with the aSPECT Spectrometer

doi: 10.1016/j.nuclphysa.2009.05.114
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2008BA48      Eur.Phys.J. A 38, 17 (2008)

S.Baessler, F.Ayala Guardia, M.Borg, F.Gluck, W.Heil, G.Konrad, I.Konorov, R.Munoz Horta, G.Petzoldt, D.Rich, M.Simson, Yu.Sobolev, H.-F.Wirth, O.Zimmer

First measurements with the neutron decay spectrometer aSPECT

doi: 10.1140/epja/i2008-10660-0
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2005AB21      J.Res.Natl.Inst.Stand.Technol. 110, 377 (2005)

H.Abele, S.Baessler, M.Deissenroth, F.Gluck, J.Krempel, M.Kreuz, B.Markisch, D.Mund, M.Schumann, T.Soldner

The Beta-, Neutrino- and Proton-Asymmetry in Neutron β-Decay

RADIOACTIVITY 1n(β-); calculated decay particle asymmetry coefficients.

doi: 10.6028/jres.110.056
Citations: PlumX Metrics


2005GL01      Eur.Phys.J. A 23, 135 (2005)

F.Gluck, S.Baessler, J.Byrne, M.G.D.van der Grinten, F.J.Hartmann, W.Heil, I.Konorov, G.Petzoldt, Yu.Sobolev, O.Zimmer

The neutron decay retardation spectrometer aSPECT: Electromagnetic design and systematic effects

doi: 10.1140/epja/i2004-10057-1
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2005KR09      Phys.Lett. B 619, 263 (2005)

M.Kreuz, T.Soldner, S.Baessler, B.Brand, F.Gluck, U.Mayer, D.Mund, V.Nesvizhevsky, A.Petoukhov, C.Plonka, J.Reich, C.Vogel, H.Abele

A measurement of the antineutrino asymmetry B in free neutron decay

NUCLEAR REACTIONS 2H(γ, γ), E=49, 55 MeV; calculated σ(θ), nucleon polarizability effects. Dibaryon effective field theory, comparison with data.

doi: 10.1016/j.physletb.2005.05.074
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2005NE02      Eur.Phys.J. C 40, 479 (2005)

V.V.Nesvizhevsky, A.K.Petukhov, H.G.Borner, T.A.Baranova, A.M.Gagarski, G.A.Petrov, K.V.Protasov, A.Yu.Voronin, S.Baessler, H.Abele, A.Westphal, L.Lucovac

Study of the neutron quantum states in the gravity field

doi: 10.1140/epjc/s2005-02135-y
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2003NE10      Phys.Rev. D 67, 102002 (2003)

V.V.Nesvizhevsky, H.G.Borner, A.M.Gagarski, A.K.Petoukhov, G.A.Petrov, H.Abele, S.Baessler, G.Divkovic, F.J.Ruess, Th.Stoferle, A.Westphal, A.V.Strelkov, K.V.Protasov, A.Yu.Voronin

Measurement of quantum states of neutrons in the Earths's gravitational field

doi: 10.1103/PhysRevD.67.102002
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2002AB14      Phys.Rev.Lett. 88, 211801 (2002)

H.Abele, M.A.Hoffmann, S.Baessler, D.Dubbers, F.Gluck, U.Muller, V.Nesvizhevsky, J.Reich, O.Zimmer

Is the Unitarity of the Quark-Mixing CKM Matrix Violated in Neutron β-Decay ?

RADIOACTIVITY 1n(β-); measured β-spectra, asymmetry; deduced matrix element, deviation from unitarity.

doi: 10.1103/PhysRevLett.88.211801
Citations: PlumX Metrics


2000AB15      Nucl.Phys. A663-664, 947c (2000)

H.Abele, S.Baessler, D.Dubbers, J.Reich

Neutron β-Decay and the Unitary Condition of the CKM Matrix

RADIOACTIVITY 1n(β-); analyzed data; deduced Standard Model parameters.

doi: 10.1016/S0375-9474(99)00804-0
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2000RE02      Nucl.Instrum.Methods Phys.Res. A440, 535 (2000)

J.Reich, H.Abele, M.A.Hoffmann, S.Baessler, P.v.Bulow, D.Dubbers, V.Nesvizhevsky, U.Peschke, O.Zimmer

A Measurement of the Beta Asymmetry in Neutron Decay with PERKEO II

RADIOACTIVITY 1n(β-); measured electron asymmetry; deduced ratio of axial vector to vector coupling constants. Polarized neutrons.

doi: 10.1016/S0168-9002(99)01032-3
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1997AB32      Phys.Lett. 407B, 212 (1997)

H.Abele, S.Baessler, D.Dubbers, J.Last, U.Mayerhofer, C.Metz, T.M.Muller, V.Nesvizhevsky, C.Raven, O.Scharpf, O.Zimmer

A Measurement of the Beta Asymmetry A in the Decay of Free Neutrons

RADIOACTIVITY 1n(β-); measured β asymmetry from polarized neutron decay; deduced axial vector to vector coupling constants ratio, right-handed currents limits.

doi: 10.1016/S0370-2693(97)00739-9
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