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NSR database version of April 11, 2024.

Search: Author = U.Schmidt

Found 9 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
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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
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2018RO05      Phys.Rev. C 97, 035502 (2018)

C.Roick, D.Dubbers, B.Markisch, H.Saul, U.Schmidt

Electron time-of-flight: A new tool in β-decay spectroscopy

RADIOACTIVITY 90Sr(β-); measured time-of-flight of electrons using scintillation detectors, displayed a new method in β-decay spectroscopy, including energy range up to 700 keV relevant for measurement of neutron β decay. Relevance to precise calibration of an electron detector. Comparison with other methods in literature.

doi: 10.1103/PhysRevC.97.035502
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2011LA23      Eur.Phys.J. A 47, 150 (2011)

Th.Lauer, P.Geltenbort, P.Hoebel, M.Kaoui, H.C.Koch, A.Kraft, U.Schmidt, Yu.Sobolev

Experimental investigation of a low-cost solid state detector with high spatial resolution for ultracold neutrons

doi: 10.1140/epja/i2011-11150-0
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2008AL31      Eur.Phys.J. A 37, 9 (2008)

I.Altarev, M.Daum, A.Frei, E.Gutsmiedl, G.Hampel, F.J.Hartmann, W.Heil, A.Knecht, J.V.Kratz, T.Lauer, M.Meier, S.Paul, U.Schmidt, Y.Sobolev, N.Wiehl, G.Zsigmond

Neutron velocity distribution from a superthermal solid 2H2 ultracold neutron source

NUCLEAR REACTIONS 2H(n, n'), E=thermal; measured ultracold neutron velocity distribution.

doi: 10.1140/epja/i2008-10604-8
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2000SC09      Phys.Rev.Lett. 84, 3270 (2000)

U.Schmidt, H.Abele, A.Boucher, M.Klein, C.Stellmach, P.Geltenbort

Neutron Polarization Induced by Radio Frequency Radiation

NUCLEAR MOMENTS 1n; measured polarization following interaction with radio frequency radiation. Ultracold neutrons.

doi: 10.1103/PhysRevLett.84.3270
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1977FR06      Nucl.Phys. A278, 387 (1977)

W.D.Fromm, H.-G.Ortlepp, S.M.Polikanov, U.Schmidt, G.N.Zorin, R.Arlt, G.Musiol

Possible Evidence for Shape Isomeric γ-Decay in μ- Atoms of 238U

RADIOACTIVITY, Mesic-Atoms 238U muonic atom; measured Eγ, Iγ, γ(t); deduced shape isomer, T1/2, isomer shift. Natural target.

doi: 10.1016/0375-9474(77)90090-2
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1975CH14      Nucl.Phys. A247, 452 (1975)

D.Chultem, V.Cojocaru, D.Gansorig, Kim Si Chwan, T.Krogulski, V.D.Kuznetsov, H.G.Ortlepp, S.M.Polikanov, B.M.Sabirov, U.Schmidt, W.Wagner

Fission of 232Th, 238U and 235U Induced by Negative Muons

NUCLEAR REACTIONS 232Th, 235,238U(μ-, F), (π-, F); measured prompt, delayed absolute muon-induced fission yields, muon capture mean lives, relative π- induced fission probabilities.

doi: 10.1016/0375-9474(75)90135-9
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1975FR09      Phys.Lett. 55B, 377 (1975)

W.D.Fromm, D.Gansorig, T.Korgulski, H.-G.Ortlepp, S.M.Polikanov, B.M.Sabirov, U.Schmidt, R.Arlt, R.Engfer, H.Schneuwly

Energy Shifts of Electronic X-Rays in Heavy Muonic Atoms

ATOMIC PHYSICS, Mesic-Atoms Ta, Ir, Pb, Th, U(μ-, X-ray); measured energy shifts of K X-rays.

doi: 10.1016/0370-2693(75)90363-9
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