NSR Query Results
Output year order : Descending NSR database version of April 27, 2024. Search: Author = S.Currie Found 9 matches. 2022CU09 Phys.Rev. C 106, 065506 (2022) C.Cude-Woods, F.M.Gonzalez, E.M.Fries, T.Bailey, M.Blatnik, N.B.Callahan, J.H.Choi, S.M.Clayton, S.A.Currie, M.Dawid, B.W.Filippone, W.Fox, P.Geltenbort, E.George, L.Hayen, K.P.Hickerson, M.A.Hoffbauer, K.Hoffman, A.T.Holley, T.M.Ito, A.Komives, C.-Y.Liu, M.Makela, C.L.Morris, R.Musedinovic, C.O'Shaughnessy, R.W.Pattie, J.Ramsey, D.J.Salvat, A.Saunders, E.I.Sharapov, S.Slutsky, V.Su, X.Sun, C.Swank, Z.Tang, W.Uhrich, J.Vanderwerp, P.Walstrom, Z.Wang, W.Wei, A.R.Young Fill and dump measurement of the neutron lifetime using an asymmetric magneto-gravitational trap RADIOACTIVITY 1NN(β-); measured number of trapped neutrons; deduced free neutron lifetime T1/2. Comparison to previous most precise experimental data. Asymmetric magneto-gravitational trap at Los Alamos Ultracold Neutron Facility.
doi: 10.1103/PhysRevC.106.065506
2020PH01 Phys.Rev. C 102, 035503 (2020) N.S.Phan, V.Cianciolo, S.M.Clayton, S.A.Currie, R.Dipert, T.M.Ito, S.W.T.MacDonald, C.M.O'Shaughnessy, J.C.Ramsey, G.M.Seidel, E.Smith, E.Tang, Z.Tang, W.Yao Effect of an electric field on liquid helium scintillation produced by fast electrons ATOMIC PHYSICS He(e-, γ), E=364-391 keV, [conversion electrons from 113Sn ϵ decay]; He(α, γ), E=5388-5544 keV, [from 241Am α decay]; measured scintillation light yields and spectra produced by fast electrons and α particles stopped in liquid helium (LHe) in the temperature range of 0.44 K to 3.12 K using Medium-Scale High Voltage (MSHV) Test Apparatus, and Hamamatsu R7725 photomuliplier tube (PMT); deduced temperature and electric field dependence of electron and α prompt scintillations, recombination survival probability as a function of time, and apparent temperature dependence of the reduction of scintillations for electrons due to finite ion recombination time and signal integration time. Relevance of liquid He detector for solar neutrino detection, search for electric dipole moment of neutron, measurement of the free neutron lifetime, and detection of light dark-matter particles.
doi: 10.1103/PhysRevC.102.035503
2019CA17 Phys.Rev. C 100, 015501 (2019) N.Callahan, C.-Y.Liu, F.Gonzalez, E.Adamek, J.D.Bowman, L.Broussard, S.M.Clayton, S.Currie, C.Cude-Woods, E.B.Dees, X.Ding, W.Fox, P.Geltenbort, K.P.Hickerson, M.A.Hoffbauer, A.T.Holley, A.Komives, S.W.T.MacDonald, M.Makela, C.L.Morris, J.D.Ortiz, R.W.Pattie, J.Ramsey, D.J.Salvat, A.Saunders, E.I.Sharapov, S.K.L.Sjue, Z.Tang, J.Vanderwerp, B.Vogelaar, P.L.Walstrom, Z.Wang, H.Weaver, W.Wei, J.Wexler, A.R.Young Monte Carlo simulations of trapped ultracold neutrons in the UCNt experiment RADIOACTIVITY 1n(β-); calculated neutron dynamics, trajectory and neutron detection rate in Ultra-cold neutron (UCN) magneto-gravitational neutron trap by developing an in-depth Monte Carlo model for the UCNτ experiments. Discussed implications of chaotic dynamics on controlling the systematic effects, such as spectral cleaning and microphonic heating, for a successful UCN lifetime experiment to reach 0.01% level of precision.
doi: 10.1103/PhysRevC.100.015501
2018IT01 Phys.Rev. C 97, 012501 (2018) T.M.Ito, E.R.Adamek, N.B.Callahan, J.H.Choi, S.M.Clayton, C.Cude-Woods, S.Currie, X.Ding, D.E.Fellers, P.Geltenbort, S.K.Lamoreaux, C.-Y.Liu, S.MacDonald, M.Makela, C.L.Morris, R.W.Pattie, J.C.Ramsey, D.J.Salvat, A.Saunders, E.I.Sharapov, S.Sjue, A.P.Sprow, Z.Tang, H.L.Weaver, W.Wei, A.R.Young Performance of the upgraded ultracold neutron source at Los Alamos National Laboratory and its implication for a possible neutron electric dipole moment experiment RADIOACTIVITY 1n(β-); measured cold neutron time of arrival (TOA) spectrum, UCN density, dUCNcounts normalized to the UCN monitor detector near the exit of the biological shield using upgraded ultracold neutron (UCN) source at Los Alamos National Laboratory. Discussed implication for a possible neutron electric dipole moment (EDM) experiment.
doi: 10.1103/PhysRevC.97.012501
2018PA53 Science 360, 627 (2018) R.W.Pattie, N.B.Callahan, C.Cude-Woods, E.R.Adamek, L.J.Broussard, S.M.Clayton, S.A.Currie, E.B.Dees, X.Ding, E.M.Engel, D.E.Fellers, W.Fox, P.Geltenbort, K.P.Hickerson, M.A.Hoffbauer, A.T.Holley, A.Komives, C.-Y.Liu, S.W.T.MacDonald, M.Makela, C.L.Morris, J.D.Ortiz, J.Ramsey, D.J.Salvat, A.Saunders, S.J.Seestrom, E.I.Sharapov, S.K.Sjue, Z.Tang, J.Vanderwerp, B.Vogelaar, P.L.Walstrom, Z.Wang, W.Wei, H.L.Weaver, J.W.Wexler, T.L.Womack, A.R.Young, B.A.Zeck Measurement of the neutron lifetime using a magneto-gravitational trap and in situ detection RADIOACTIVITY 1NN(β-); measured T1/2 of free neutron using ultracold neutrons stored in a magneto-gravitational trap at the Los Alamos Neutron Science Center UCN facility. Comparison with previous measurements.
doi: 10.1126/science.aan8895
2018TA18 Phys.Rev.Lett. 121, 022505 (2018) Z.Tang, M.Blatnik, L.J.Broussard, J.H.Choi, S.M.Clayton, C.Cude-Woods, S.Currie, D.E.Fellers, E.M.Fries, P.Geltenbort, F.Gonzalez, K.P.Hickerson, T.M.Ito, C.-Y.Liu, S.W.T.MacDonald, M.Makela, C.L.Morris, C.M.O'Shaughnessy, R.W.Pattie, B.Plaster, D.J.Salvat, A.Saunders, Z.Wang, A.R.Young, B.A.Zeck Search for the Neutron Decay n → X + γ, Where X is a Dark Matter Particle RADIOACTIVITY 1NN(γ); measured decay products, Eγ, Iγ; deduced lack of the possibility of a sufficiently strong branch to explain the lifetime discrepancy with 97% confidence.
doi: 10.1103/PhysRevLett.121.022505
2017SE02 Phys.Rev. C 95, 015501 (2017) S.J.Seestrom, E.R.Adamek, D.Barlow, M.Blatnik, L.J.Broussard, N.B.Callahan, S.M.Clayton, C.Cude-Woods, S.Currie, E.B.Dees, W.Fox, M.Hoffbauer, K.P.Hickerson, A.T.Holley, C.-Y.Liu, M.Makela, J.Medina, D.J.Morley, C.L.Morris, R.W.Pattie, J.Ramsey, A.Roberts, D.J.Salvat, A.Saunders, E.I.Sharapov, S.K.L.Sjue, B.A.Slaughter, P.L.Walstrom, Z.Wang, J.Wexler, T.L.Womack, A.R.Young, J.Vanderwerp, B.A.Zeck Total cross sections for ultracold neutrons scattered from gases NUCLEAR REACTIONS 1H, 3He(n, n'), E=ultracold neutrons; measured scattered neutrons, transmission ratio as a function of pressure, total cross sections, total cross section as a function of the number of hydrogen atoms using the following gas targets: hydrogen, ethane, methane, isobutene, n-butane, ethylene, water vapor, propane, neopentane, isopropyl alcohol, and 3He; deduced cross section per hydrogen atom as a function of molecular mass. Relevance to ongoing experiments pn neutron half-life measurements using ultracold neutrons (UCN) at LANL facility.
doi: 10.1103/PhysRevC.95.015501
2015SE18 Phys.Rev. C 92, 065501 (2015) S.J.Seestrom, E.R.Adamek, D.Barlow, L.J.Broussard, N.B.Callahan, S.M.Clayton, C.Cude-Woods, S.Currie, E.B.Dees, W.Fox, P.Geltenbort, K.P.Hickerson, A.T.Holley, C.-Y.Liu, M.Makela, J.Medina, D.J.Morley, C.L.Morris, J.Ramsey, A.Roberts, D.J.Salvat, A.Saunders, E.I.Sharapov, S.K.L.Sjue, B.A.Slaughter, B.VornDick, P.L.Walstrom, Z.Wang, T.L.Womack, A.R.Young, B.A.Zeck, for the UCN|t Collaboration Upscattering of ultracold neutrons from gases NUCLEAR REACTIONS 1,2H, C, F, N, Ne, Ar, Xe(n, n'), E=UCNs from Los Alamos Neutron Science Center (LANSCE) ultracold neutron source; measured Eγ, Iγ, E(n), I(n), upscattered cross sections for room temperature gas targets of hydrogen, deuterium, nitrogen, neon, argon, xenon, C4H10, CF4, and air. Comparison with experimental values for higher neutron energies, and with theoretical calculations. Relevance to measurement of the half-life of free neutron decay at LANSCE using a magnetogravitational trap.
doi: 10.1103/PhysRevC.92.065501
2014SA31 Phys.Rev. C 89, 052501 (2014) D.J.Salvat, E.R.Adamek, D.Barlow, J.D.Bowman, L.J.Broussard, N.B.Callahan, S.M.Clayton, C.Cude-Woods, S.Currie, E.B.Dees, W.Fox, P.Geltenbort, K.P.Hickerson, A.T.Holley, C.-Y.Liu, M.Makela, J.Medina, D.J.Morley, C.L.Morris, S.I.Penttila, J.Ramsey, A.Saunders, S.J.Seestrom, E.I.Sharapov, S.K.L.Sjue, B.A.Slaughter, J.Vanderwerp, B.VornDick, P.L.Walstrom, Z.Wang, T.L.Womack, A.R.Young Storage of ultracold neutrons in the magneto-gravitational trap of the UCNT experiment RADIOACTIVITY 1n(β-); measured mean storage times of ultracold neutrons (UCN) in a magneto-gravitational trap at the LANSCE-LANL UCN source, with and without activation of the field; discussed half-life of neutron decay, and systematic effects.
doi: 10.1103/PhysRevC.89.052501
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