NSR Query Results
Output year order : Descending NSR database version of April 27, 2024. Search: Author = K.K.Leung Found 10 matches. 2022LI18 Phys.Rev.Lett. 128, 132502 (2022) X.Li, M.W.Ahmed, A.Banu, C.Bartram, B.Crowe, E.J.Downie, M.Emamian, G.Feldman, H.Gao, D.Godagama, H.W.Griesshammer, C.R.Howell, H.J.Karwowski, D.P.Kendellen, M.A.Kovash, K.K.H.Leung, D.M.Markoff, J.A.McGovern, S.Mikhailov, R.E.Pywell, M.H.Sikora, J.A.Silano, R.S.Sosa, M.C.Spraker, G.Swift, P.Wallace, H.R.Weller, C.S.Whisnant, Y.K.Wu, Z.W.Zhao Proton Compton Scattering from Linearly Polarized Gamma Rays NUCLEAR REACTIONS 1H(polarized γ, γ'), E=83.4 MeV; measured reaction products, Eγ, Iγ; deduced σ(θ), electromagnetic dipole polarizabilities of the proton. The High Intensity Gamma-Ray Source facility at the Triangle Universities Nuclear Laboratory.
doi: 10.1103/PhysRevLett.128.132502
2020LI10 Phys.Rev. C 101, 034618 (2020) X.Li, M.W.Ahmed, A.Banu, C.Bartram, B.Crowe, E.J.Downie, M.Emamian, G.Feldman, H.Gao, D.Godagama, H.W.Griesshammer, C.R.Howell, H.J.Karwowski, D.P.Kendellen, M.A.Kovash, K.K.H.Leung, D.Markoff, S.Mikhailov, R.E.Pywell, M.H.Sikora, J.A.Silano, R.S.Sosa, M.C.Spraker, G.Swift, P.Wallace, H.R.Weller, C.S.Whisnant, Y.K.Wu, Z.W.Zhao Compton scattering from 4He at the TUNL HIγS facility NUCLEAR REACTIONS 4He(polarized γ, γ), E=81.3 MeV, 100% circularly and linearly polarized γ-ray beam via Compton backscattering from HiγS at TUNL; measured Compton scattered photons at different angles, time-of-flight spectra using an array of large NaI(Tl) detectors; deduced differential σ(θ). Comparison with previous experimental data from Lund at Eγ=87 MeV.
doi: 10.1103/PhysRevC.101.034618
2018AN12 Eur.Phys.J. A 54, 148 (2018) A.Anghel, T.L.Bailey, G.Bison, B.Blau, L.J.Broussard, S.M.Clayton, C.Cude-Woods, M.Daum, A.Hawari, N.Hild, P.Huffman, T.M.Ito, K.Kirch, E.Korobkina, B.Lauss, K.Leung, E.M.Lutz, M.Makela, G.Medlin, C.L.Morris, R.W.Pattie, D.Ries, A.Saunders, P.Schmidt-Wellenburg, V.Talanov, A.R.Young, B.Wehring, C.White, M.Wohlmuther, G.Zsigmond Solid deuterium surface degradation at ultracold neutron sources
doi: 10.1140/epja/i2018-12594-2
2017ST06 Phys.Rev. C 95, 035502 (2017) A.Steyerl, K.K.H.Leung, C.Kaufman, G.Muller, S.S.Malik Spin flip loss in magnetic confinement of ultracold neutrons for neutron lifetime experiments RADIOACTIVITY 1n(β-); analyzed spin flip loss for ultracold neutrons (UCN) in magnetic bottles of the type used in experiments for precise measurement of the neutron lifetime using two dimensions field model for cylindrical multipole fields; also developed a general analysis applicable to three dimensions, and to bowl-type field configuration used for the Los Alamos UCNt experiments. Discussed systematic errors in precision neutron lifetime experiments.
doi: 10.1103/PhysRevC.95.035502
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
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
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
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
2009BA06 Phys.Rev. C 79, 024311 (2009) P.H.Barker, K.K.H.Leung, A.P.Byrne Half-life of the superallowed positron emitter 10C RADIOACTIVITY 10C(β+) [from 10B(p, n), E=5.2 MeV]; measured β spectra, half-life; deduced ft value.
doi: 10.1103/PhysRevC.79.024311
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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