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NSR database version of April 11, 2024.

Search: Author = O.Zimmer

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2024NE02      Nucl.Instrum.Methods Phys.Res. A1059, 168947 (2024)

Th.Neulinger, H.Filter, O.Zimmer

Vertical time-of-flight spectroscopy of ultracold neutrons

doi: 10.1016/j.nima.2023.168947
Citations: PlumX Metrics

2022NE08      Eur.Phys.J. A 58, 141 (2022)

T.Neulinger, D.Beck, E.Connolly, S.Degenkolb, P.Fierlinger, H.Filter, J.Hingerl, P.Nordin, T.Saerbeck, O.Zimmer

Ultracold neutron storage in a bottle coated with the fluoropolymer CYTOP

doi: 10.1140/epja/s10050-022-00791-x
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
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2018SE09      Phys.Rev. C 97, 055503 (2018)

A.P.Serebrov, E.A.Kolomensky, A.K.Fomin, I.A.Krasnoshchekova, A.V.Vassiljev, D.M.Prudnikov, I.V.Shoka, A.V.Chechkin, M.E.Chaikovskiy, V.E.Varlamov, S.N.Ivanov, A.N.Pirozhkov, P.Geltenbort, O.Zimmer, T.Jenke, M.Van der Grinten, M.Tucker

Neutron lifetime measurements with a large gravitational trap for ultracold neutrons

RADIOACTIVITY 1n(β-); measured Iβ, T1/2 of free neutron, storage cycles for two different holding times, temperature dependence of the UCN storage time, inverse UCN loss rate, neutron count rates before (reactor cycle 179) and after (reactor cycle 181) using gravitationally trapped ultra-cold neutrons (UCN) at Institute Laue-Langevin (ILL) using the PF2 MAM UCN beam; deduced trap-neutron collision frequency, systematic error in T1/2 measurements using Monte Carlo simulations, influence of the residual gas on UCN storage. Comparison with previous experimental values in the last 17 years, and with evaluations by Particle Data Group. Discussed problem of a 3.9σ discrepancy between measurements of half-life of free neutron using neutrons in beams and those with stored ultracold neutrons (UCN).

doi: 10.1103/PhysRevC.97.055503
Citations: PlumX Metrics

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
Citations: PlumX Metrics

2017SE25      JETP Lett. 106, 623 (2017)

A.P.Serebrov, E.A.Kolomenskiy, A.K.Fomin, I.A.Krasnoschekova, A.V.Vassiljev, D.M.Prudnikov, I.V.Shoka, A.V.Chechkin, M.E.Chaikovskii, V.E.Varlamov, S.N.Ivanov, A.N.Pirozhkov, P.Geltenbort, O.Zimmer, T.Jenke, M.Van der Grinten, M.Tucker

New measurement of the neutron lifetime with a large gravitational trap

RADIOACTIVITY 1NN(β-); measured decay products; deduced T1/2. Comparison with available data.

doi: 10.1134/S0021364017220143
Citations: PlumX Metrics

2016GR11      Phys.Rev. C 94, 025504 (2016)

P.D.Grigoriev, O.Zimmer, A.D.Grigoriev, T.Ziman

Neutrons on a surface of liquid helium

NUCLEAR REACTIONS 4He(n, n), E=ultracold neutrons; calculated temperature-dependent rates of scattering of neutrons propagating in low gravitationally bound states above a neutron optical mirror of superfluid helium; discussed neutron-ripplon scattering. Relevance to storage of ultracold neutrons and β- decay of neutron.

doi: 10.1103/PhysRevC.94.025504
Citations: PlumX Metrics

2016LE06      Phys.Rev. C 93, 025501 (2016)

K.K.H.Leung, S.Ivanov, F.M.Piegsa, M.Simson, O.Zimmer

Ultracold-neutron production and up-scattering in superfluid helium between 1.1 K and 2.4 K

NUCLEAR REACTIONS 4He(n, n), (n, n')E=ultracold neutrons; measured production rate of ultracold and scattered neutrons in superfluid 4He at 1.1-2.4 K at PF1B cold-neutron beam facility of ILL-Grenoble; deduced no contributions from roton-phonon scattering and one-phonon absorption.

doi: 10.1103/PhysRevC.93.025501
Citations: PlumX Metrics

2016LE17      Phys.Rev. C 94, 045502 (2016)

K.K.H.Leung, P.Geltenbort, S.Ivanov, F.Rosenau, O.Zimmer

Neutron lifetime measurements and effective spectral cleaning with an ultracold neutron trap using a vertical Halbach octupole permanent magnet array

RADIOACTIVITY 1n(β-); measured half-life by the method of storage of ultracold neutrons (UCN) in magneto-gravitational traps (magnetic bottle) and measuring the loss rate of neutrons using the first-phase of 1.3-T Halbach octupole permanent (HOPE) magnet array aligned vertically at ILL-Grenoble facility. Comparison with value from Particle Data Group (PDG) evaluation.

doi: 10.1103/PhysRevC.94.045502
Citations: PlumX Metrics

Data from this article have been entered in the XUNDL database. For more information, click here.

2016ZI02      Phys.Rev. C 93, 035503 (2016)


Neutron conversion and cascaded cooling in paramagnetic systems for a high-flux source of very cold neutrons

NUCLEAR REACTIONS 1,2H, 14,15N, 16O(n, X), E<16 meV; calculated rates of neutron conversion to ultra cold neutrons (UCN) with energy up to 250 neV, paramagnetic cascade cooling of neutrons, stationary spectral neutron densities; proposed new mechanism for neutron-cooling for producing high-flux very cold neutrons (VCNs) and enhancement of production of ultracold neutrons (UCNs) by inelastic magnetic scattering in weakly absorbing, cold paramagnetic systems.

doi: 10.1103/PhysRevC.93.035503
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2015SC14      Phys.Rev. C 92, 024004 (2015)

P.Schmidt-Wellenburg, J.Bossy, E.Farhi, M.Fertl, K.K.H.Leung, A.Rahli, T.Soldner, O.Zimmer

Experimental study of ultracold neutron production in pressurized superfluid helium

RADIOACTIVITY 1n(β-); measured production of ultra-cold neutrons (UCN) in superfluid helium in the range from saturated vapor pressure to 20 bar, dependence of pressure on single- and multiphonon peaks, cold neutron (CN) time-of-flight spectra at the CN beam facility PF1b of the Institut Laue-Langevin; deduced CN-wavelength-dependent UCN production.

doi: 10.1103/PhysRevC.92.024004
Citations: PlumX Metrics

2015SE16      Phys.Rev. C 92, 055501 (2015)

A.P.Serebrov, E.A.Kolomenskiy, A.N.Pirozhkov, I.A.Krasnoschekova, A.V.Vassiljev, A.O.Polyushkin, M.S.Lasakov, A.N.Murashkin, V.A.Solovey, A.K.Fomin, I.V.Shoka, O.M.Zherebtsov, P.Geltenbort, S.N.Ivanov, O.Zimmer, E.B.Alexandrov, S.P.Dmitriev, N.A.Dovator

New search for the neutron electric dipole moment with ultracold neutrons at ILL

NUCLEAR MOMENTS 1n; measured Ramsey resonance curves, neutron electric dipole moment (EDM) using ultracold neutrons (UCN) from High-Flux Reactor of ILL-Grenoble and double-chamber magnetic resonance spectrometer developed at PNPI-Gatchina; deduced an upper limit of EDM. Discussed possibilities for further improvement.

doi: 10.1103/PhysRevC.92.055501
Citations: PlumX Metrics

2015ZI01      Phys.Rev. C 92, 015501 (2015)

O.Zimmer, R.Golub

Ultracold neutron accumulation in a superfluid-helium converter with magnetic multipole reflector

doi: 10.1103/PhysRevC.92.015501
Citations: PlumX Metrics

2014PI05      Phys.Rev. C 90, 015501 (2014)

F.M.Piegsa, M.Fertl, S.N.Ivanov, M.Kreuz, K.K.H.Leung, P.Schmidt-Wellenburg, T.Soldner, O.Zimmer

New source for ultracold neutrons at the Institut Laue-Langevin

RADIOACTIVITY 1n(β-); measured neutron wavelength spectrum by time-of-flight, UCN leakage rate, storage lifetime and UCN density, duty cycle of UCN source. Next generation intense ultra-cold neutron (UCN) source at the Institut Laue-Langevin, Grenoble.

doi: 10.1103/PhysRevC.90.015501
Citations: PlumX Metrics

2014SE08      JETP Lett. 99, 4 (2014)

A.P.Serebrov, E.A.Kolomenskiy, A.N.Pirozhkov, I.A.Krasnoschekova, A.V.Vassiljev, A.O.Polushkin, M.S.Lasakov, A.K.Fomin, I.V.Shoka, V.A.Solovey, O.M.Zherebtsov, P.Geltenbort, S.N.Ivanov, O.Zimmer, E.B.Alexandrov, S.P.Dmitriev, N.A.Dovator

New measurements of the neutron electric dipole moment

NUCLEAR MOMENTS 1NN; measured frequencies of neutron precession; deduced electric dipole moment. Comparison with available data.

doi: 10.1134/S0021364014010111
Citations: PlumX Metrics

2011VE13      Hyperfine Interactions 201, 31 (2011)

V.A.Vesna, Yu.M.Gledenov, V.V.Nesvizhevsky, A.K.Petukhov, P.V.Sedyshev, T.Soldner, O.Zimmer, E.V.Shulgina

Parity-violating asymmetry in the reactions 6Li(n, α)3H and 10B(n, α)7Li*7Li + γ

NUCLEAR REACTIONS 6Li, 10B(n, α), E cold; measured detector circuit current; deduced P-odd asymmetry coefficients. DDH meson exchange model.

doi: 10.1007/s10751-011-0288-6
Citations: PlumX Metrics

2009AT04      Nucl.Instrum.Methods Phys.Res. A 608, 144 (2009)

F.Atchison, B.Blau, A.Bollhalder, M.Daum, P.Fierlinger, P.Geltenbort, G.Hampel, M.Kasprzak, K.Kirch, S.Kochli, B.Kuczewski, H.Leber, M.Locher, M.Meier, S.Ochse, A.Pichlmaier, C.Plonka, R.Reiser, J.Ulrich, X.Wang, N.Wiehl, O.Zimmer, G.Zsigmond

Transmission of very slow neutrons through material foils and its influence on the design of ultracold neutron sources

NUCLEAR REACTIONS Al(n, x), 27Al(n, x), Zr(n, x), E=1.75E-7-2.0E-7 eV; measured products; deduced σ, σ(E). Data were imported from EXFOR entry 23102.

doi: 10.1016/j.nima.2009.06.047
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 dataset23102.

2009EZ01      Nucl.Instrum.Methods Phys.Res. A611, 167 (2009)

V.F.Ezhov, A.Z.Andreev, G.Ban, B.A.Bazarov, P.Geltenbort, F.J.Hartman, A.G.Glushkov, M.G.Groshev, V.A.Knyazkov, N.A.Kovrizhnykh, O.Naviliat-Cuncic, G.B.Krygin, A.Mueller, S.Paul, R.Picker, V.L.Ryabov, A.Serebrov, O.Zimmer

Magnetic storage of UCN for a measurement of the neutron lifetime

doi: 10.1016/j.nima.2009.07.071
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
Citations: PlumX Metrics

2008VE02      Phys.Rev. C 77, 035501 (2008)

V.A.Vesna, Yu.M.Gledenov, V.V.Nesvizhevsky, A.K.Petoukhov, P.V.Sedyshev, T.Soldner, O.Zimmer, E.V.Shulgina

Measurement of the parity-violating triton emission asymmetry in the reaction 6Li(n, α)3H with polarized cold neutrons

NUCLEAR REACTIONS 6Li(polarized n, α)3H, E not given; measured parity-violating triton emission asymmetry coefficient. Used ultracold polarized neutrons.

doi: 10.1103/PhysRevC.77.035501
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2006AT06      Phys.Rev. C 74, 055501 (2006)

F.Atchison, B.Blau, M.Daum, P.Fierlinger, P.Geltenbort, R.Henneck, S.Heule, M.Kasprzak, K.Kirch, K.Kohlik, M.Kuzniak, M.Meier, C.-F.Meyer, A.Pichlmaier, C.Plonka, P.Schmidt-Wellenburg, B.Schultrich, Th.Stucky, V.Weihnacht, O.Zimmer

Storage of ultracold neutrons in a volume coated with diamondlike carbon

doi: 10.1103/PhysRevC.74.055501
Citations: PlumX Metrics

2006AT07      Phys.Lett. B 642, 24 (2006)

F.Atchison, B.Blau, M.Daum, P.Fierlinger, A.Foelske, P.Geltenbort, M.Gupta, R.Henneck, S.Heule, M.Kasprzak, M.Kuzniak, K.Kirch, M.Meier, A.Pichlmaier, Ch.Plonka, R.Reiser, B.Theiler, O.Zimmer, G.Zsigmond

Diamondlike carbon can replace beryllium in physics with ultracold neutrons

doi: 10.1016/j.physletb.2006.09.024
Citations: PlumX Metrics

2006KH04      JETP Lett. 83, 5 (2006); Erratum JETP Lett. 83, 366 (2006); Comment JETP Lett. 84, 231 (2006)

R.U.Khafizov, N.Severijns, O.Zimmer, H.-F.Wirth, D.Rich, S.V.Tolokonnikov, V.A.Solovei, M.R.Kolhidashvili

Observation of the Neutron Radiative Decay

RADIOACTIVITY 1n(β-); measured βpγ-coin; deduced branching ratio for radiative decay. Note: In comment, several co-authors deny responsibility for article contents.

doi: 10.1134/S0021364006010024
Citations: PlumX Metrics

2006VA01      Eur.Phys.J. B 49, 157 (2006)

B.van den Brandt, H.Glattli, I.Grillo, P.Hautle, H.Jouve, J.Kohlbrecher, J.A.Konter, E.Leymarie, S.Mango, R.P.May, A.Michels, H.B.Stuhrmann, O.Zimmer

Time-resolved nuclear spin-dependent small-angle neutron scattering from polarised proton domains in deuterated solutions

doi: 10.1140/epjb/e2006-00037-9
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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2005PI18      J.Res.Natl.Inst.Stand.Technol. 110, 357 (2005)

R.Picker, I.Altarev, J.Brocker, E.Gutsmiedl, J.Hartmann, A.Muller, S.Paul, W.Schott, U.Trinks, O.Zimmer

A Superconducting Magnet UCN Trap for Precise Neutron Lifetime Measurements

doi: 10.6028/jres.110.053
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2005VE08      Pisma Zh.Eksp.Teor.Fiz. 82, 519 (2005); JETP Lett. 82, 463 (2005)

V.A.Vesna, Yu.M.Gledenov, V.V.Nesvizhevsky, A.K.Petukhov, P.V.Sedyshev, T.Soldner, O.Zimmer, E.V.Shulgina

Discovery of a P-Odd Effect in Triton Emission from the reaction 6Li(n, α)3H

NUCLEAR REACTIONS 6Li(n, α), E=reactor; measured triton spectra, angular distribution; deduced P-odd asymmetry coefficient.

doi: 10.1134/1.2150862
Citations: PlumX Metrics

2004SO03      Phys.Lett. B 581, 49 (2004)

T.Soldner, L.Beck, C.Plonka, K.Schreckenbach, O.Zimmer

New limit on T violation in neutron decay

RADIOACTIVITY 1n(β-); measured electron and antineutrino momentum spectra following polarized neutron decay; deduced T-violation limit.

doi: 10.1016/j.physletb.2003.12.004
Citations: PlumX Metrics

2004VA13      Nucl.Instrum.Methods Phys.Res. A526, 91 (2004)

B.van den Brandt, H.Glattli, H.Griesshammer, P.Hautle, J.Kohlbrecher, J.A.Konter, O.Zimmer

The spin-dependent nd scattering length -- a proposed high-accuracy measurement

NUCLEAR REACTIONS 2H(polarized n, n), E=low; calculated scattering length associated observables. Proposed experiment discussed.

doi: 10.1016/j.nima.2004.03.156
Citations: PlumX Metrics

2003SO25      Nucl.Phys. A721, 469c (2003)

T.Soldner, L.Beck, C.Plonka, K.Schreckenbach, O.Zimmer

New Limit on T Violation in Free Neutron Decay

RADIOACTIVITY 1n(β-); measured Eβ, Ep, βp-coin; deduced limit on time-reversal violation associated coefficient.

doi: 10.1016/S0375-9474(03)01101-1
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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

2002BY02      J.Phys.(London) G28, 1325 (2002)

J.Byrne, P.G.Dawber, M.G.D.van der Grinten, C.G.Habeck, F.Shaikh, J.A.Spain, R.D.Scott, C.A.Baker, K.Green, O.Zimmer

Determination of the Electron-Antineutrino Angular Correlation Coefficient a0 and the Parameter |l| = |GA/GV| in Free Neutron β-Decay from Measurements of the Integrated Energy Spectrum of Recoil Protons Stored in an Ion Trap

RADIOACTIVITY 1n(β-); measured recoil proton spectra; deduced electron-antineutrino angular correlation coefficient. Cryogenic ion trap.

doi: 10.1088/0954-3899/28/6/314
Citations: PlumX Metrics

2002JE06      Yad.Fiz. 65, 662 (2002); Phys.Atomic Nuclei 65, 630 (2002)

P.Jesinger, A.Kotzle, F.Gonnenwein, M.Mutterer, J.von Kalben, G.V.Danilyan, V.S.Pavlov, G.A.Petrov, A.M.Gagarski, W.H.Trzaska, S.M.Soloviev, V.V.Nesvizhevsky, O.Zimmer

Angular Correlations in Ternary Fission Induced by Polarized Neutrons

NUCLEAR REACTIONS 233,235U(polarized n, F), E=low; measured Eα, α-particle and fission fragment angular correlations, triple correlation with beam polarization. Ternary fission.

doi: 10.1134/1.1471264
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Data from this article have been entered in the EXFOR database. For more information, access X4 dataset23106.

2002ZI03      EPJdirect 4, A1, 1-28 (2002)

O.Zimmer, G.Ehlers, B.Farago, H.Humblot, W.Ketter, R.Scherm

A Precise Measurement of the Spin-Dependent Neutron Scattering Length of 3He

NUCLEAR REACTIONS 3He(polarized n, n), E=reactor; measured σ, polarization, spin-dependent neutron scattering length. Polarized and unpolarized targets.

2001MO41      Yad.Fiz. 64, No 11, 2040 (2001); Phys.Atomic Nuclei 64, 1955 (2001)

Yu.A.Mostovoi, I.A.Kuznetsov, V.A.Solovei, A.P.Serebrov, I.V.Stepanenko, T.K.Baranova, A.V.Vasiliev, Yu.P.Rudnev, B.G.Yerozolimsky, M.S.Dewey, F.Wietfeldt, O.Zimmer, V.V.Nesvizhevsky

Experimental Value of GA/GV from a Measurement of Both P-Odd Correlations in Free-Neutron Decay

RADIOACTIVITY 1n(β-); measured P-odd correlations; deduced weak-interaction parameter.

doi: 10.1134/1.1423745
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2001ZI02      Europhys.Lett. 53, 183 (2001)

O.Zimmer, J.Felber, O.Scharpf

Stern-Gerlach Effect without Magnetic-Field Gradient

NUCLEAR REACTIONS 1H(n, n), E=low; measured Stern-Gerlach splitting of neutron beam due to scattering from polarized target.

doi: 10.1209/epl/i2001-00134-y
Citations: PlumX Metrics

2000DA01      Nucl.Instrum.Methods Phys.Res. A440, 543 (2000)

P.G.Dawber, J.Byrne, M.G.D.van der Grinten, C.Habeck, F.Shaikh, J.A.Spain, C.A.Baker, K.Green, R.D.Scott, O.Zimmer

Determination of the Electron-Antineutrino Correlation Coefficient a in Neutron β-Decay by Measurement of the Integrated Proton Spectrum

RADIOACTIVITY 1n(β-); measured proton spectra following decay. Method for determining electron-antineutrino correlation coefficient discussed.

doi: 10.1016/S0168-9002(99)01034-7
Citations: PlumX Metrics

2000DA25      Yad.Fiz. 63, No 9, 1759 (2000); Phys.Atomic Nuclei 63, 1671 (2000)

G.V.Danilyan, A.M.Fedorov, A.M.Gagarski, F.Goennenwein, P.Jesinger, J.von Kalben, A.Kotzle, E.I.Korobkina, I.T.Krasnoshchekova, M.Mutterer, V.V.Nesvizhevsky, S.R.Neumaier, Yu.B.Novozhilov, V.S.Pavlov, G.A.Petrov, V.I.Petrova, S.M.Solovyev, W.H.Trzaska, O.Zimmer

Left-Right Asymmetry of the Angular Distribution of Long-Range Alpha Particles from Ternary 235U Fission Induced by Cold Polarized Neutrons

NUCLEAR REACTIONS 233,235U(polarized n, F), E=0.0017 eV; measured (fragment)α-coin following ternary fission, α angular distribution, correlation coefficient. Effect of nuclear resonances discussed.

doi: 10.1134/1.1312903
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2000JE02      Nucl.Instrum.Methods Phys.Res. A440, 618 (2000)

P.Jesinger, A.Kotzle, A.M.Gagarski, F.Gonnenwein, G.Danilyan, V.S.Pavlov, V.B.Chvatchkin, M.Mutterer, S.R.Neumaier, G.A.Petrov, V.I.Petrova, V.Nesvizhevsky, O.Zimmer, P.Geltenbort, K.Schmidt, K.Korobkina

Observation of a Triple Correlation in Ternary Fission: Is time reversal invariance violated ?

NUCLEAR REACTIONS 233U(polarized n, F), E=reactor; measured ternary particle, fission fragment correlations; deduced possible time reversal asymmetry features.

doi: 10.1016/S0168-9002(99)01051-7
Citations: PlumX Metrics

2000KO05      Nucl.Instrum.Methods Phys.Res. A440, 750 (2000)

A.Kotzle, P.Jesinger, F.Gonnenwein, G.A.Petrov, V.I.Petrova, A.M.Gagarski, G.Danilyan, O.Zimmer, V.Nesvizhevsky

Parity Nonconservation in Nuclear Fission: Does it depend on fragment mass/energy ?

NUCLEAR REACTIONS 233U(polarized n, F), E=low; measured fission fragments mass, angular distributions, kinetic energy; deduced parity nonconservation asymmetry coefficient.

doi: 10.1016/S0168-9002(99)01076-1
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2000KU02      Nucl.Instrum.Methods Phys.Res. A440, 539 (2000)

I.A.Kuznetsov, Yu.P.Rudnev, A.P.Serebrov, V.A.Solovei, I.V.Stepanenko, A.V.Vasiliev, Yu.A.Mostovoy, O.Zimmer, B.G.Yerozolimsky, M.S.Dewey, F.Wietfeldt

An Experiment to Measure λ = GA/GV from a Combination of Angular Correlation Coefficients in the Beta Decay of Polarized Neutrons

doi: 10.1016/S0168-9002(99)01033-5
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2000MU04      Nucl.Instrum.Methods Phys.Res. A440, 736 (2000)

T.M.Muller, D.Dubbers, P.Hautle, E.I.Bunyatova, E.I.Korobkina, O.Zimmer

Measurement of the γ-Anisotropy in n(pol) + p(pol) → d + γ

NUCLEAR REACTIONS 1H(polarized n, γ), E=low; measured Eγ, Iγ(θ), γ-anisotropy. Polarized target.

doi: 10.1016/S0168-9002(99)01073-6
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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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2000WA36      Nucl.Sci.Eng. 136, 415 (2000)

C.Wagemans, O.Serot, P.Geltenbort, O.Zimmer

Experimental Determination of the 236U(nth, f) Cross Section

NUCLEAR REACTIONS 236U(n, F), E=thermal; measured fission σ. Comparison with previous results.

doi: 10.13182/NSE00-A2170
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Data from this article have been entered in the EXFOR database. For more information, access X4 dataset22682.

2000ZI02      Nucl.Instrum.Methods Phys.Res. A440, 548 (2000)

O.Zimmer, J.Byrne, M.G.D.van der Grinten, W.Heil, F.Gluck

' aspect ' - A New Spectrometer for the Measurement of the Angular Correlation Coefficient a in Neutron Beta Decay

doi: 10.1016/S0168-9002(99)01035-9
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2000ZI03      J.Phys.(London) G26, 67 (2000)


A Method of Magnetic Storage of Ultra-Cold Neutrons for a Precise Measurement of the Neutron Lifetime

doi: 10.1088/0954-3899/26/1/307
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1999JE08      Yad.Fiz. 62, No 9, 1723 (1999); Phys.Atomic Nuclei 62, 1608 (1999)

P.Jesinger, G.V.Danilyan, A.M.Gagarsky, P.Geltenbort, F.Goennenwein, A.Kotzle, E.I.Korobkina, M.Mutterer, V.Nesvizhevsky, S.R.Neumaier, V.S.Pavlov, G.A.Petrov, V.I.Petrova, K.Schmidt, V.B.Shvachkin, O.Zimmer

Interference Effect in the Angular Distribution of Outgoing Particles in Ternary Fission Induced by Cold Polarized Neutrons

NUCLEAR REACTIONS 233U(polarized n, F), E=low; measured (fragment)α-coin following ternary fission; deduced asymmetry factor, interference effect.

1999ZI01      Phys.Lett. 455B, 62 (1999)

O.Zimmer, T.M.Muller, P.Hautle, W.Heil, H.Humblot

High-Precision Neutron Polarization Analysis using Opaque Spin Filters

NUCLEAR REACTIONS 1H, 3He(polarized n, n), E=low; measured outgoing neutron spectra, polarization; deduced spin filter characteristics. Polarized targets.

doi: 10.1016/S0370-2693(99)00345-7
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1999ZI02      Phys.Lett. 461B, 307 (1999)


A Method for Precise Neutron Beam Polarisation Analysis using an Opaque Spin Filter

doi: 10.1016/S0370-2693(99)00857-6
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1998SE11      Zh.Eksp.Teor.Fiz. 113, 1963 (1998); J.Exper.Theo.Phys. 86, 1074 (1998)

A.P.Serebrov, I.A.Kuznetsov, I.V.Stepanenko, A.V.Aldushchenkov, M.S.Lasakov, Yu.A.Mostovoi, B.G.Erozolimsky, M.S.Dewey, F.E.Wietfeldt, O.Zimmer, H.Borner

Measurement of the Antineutrino Escape Asymmetry with Respect to the Spin of the Decaying Neutron

RADIOACTIVITY 1n(β-); measured proton-, β-spectra; deduced neutrino asymmetry. Polarized source.

doi: 10.1134/1.558574
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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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