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NSR database version of April 11, 2024.

Search: Author = W.Fox

Found 11 matches.

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2024FO01      Phys.Rev.Lett. 132, 062701 (2024)

W.Fox, R.Longland, C.Marshall, F.P.Chaves

High Resolution Study of 40Ca to Constrain Potassium Nucleosynthesis in NGC 2419

NUCLEAR REACTIONS 39K(3He, d)40Ca, E=21 MeV; measured reaction products; deduced σ(θ), energies, J, π, spectroscopic factors, and proton partial widths, resonance parameters. Comparison with ENSDF library. The 10 MV FN tandem Van de Graaff accelerator, the Enge Split-Pole Spectrograph at the Triangle Universities Nuclear Laboratory (TUNL).

doi: 10.1103/PhysRevLett.132.062701
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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
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2019AK14      Phys.Rev. D 100, 115020 (2019)

D.Akimov, J.B.Albert, P.An, C.Awe, P.S.Barbeau, B.Becker, V.Belov, M.A.Blackston, A.Bolozdynya, B.Cabrera-Palmer, M.Cervantes, J.I.Collar, R.L.Cooper, J.Daughhetee, M.del Valle Coello, J.A.Detwiler, M.D'Onofrio, Y.Efremenko, E.M.Erkela, S.R.Elliott, L.Fabris, M.Febbraro, W.Fox, A.Galindo-Uribarri, M.P.Green, K.S.Hansen, M.R.Heath, S.Hedges, T.Johnson, M.Kaemingk, L.J.Kaufman, A.Khromov, A.Konovalov, E.Kozlova, A.Kumpan, L.Li, J.T.Librande, J.M.Link, J.Liu, K.Mann, D.M.Markoff, H.Moreno, P.E.Mueller, J.Newby, D.S.Parno, S.Penttila, D.Pershey, D.Radford, R.Rapp, H.Ray, J.Raybern, O.Razuvaeva, D.Reyna, G.C.Rich, D.Rudik, J.Runge, D.J.Salvat, K.Scholberg, A.Shakirov, G.Simakov, G.Sinev, W.M.Snow, V.Sosnovtsev, B.Suh, R.Tayloe, K.Tellez-Giron-Flores, R.T.Thornton, I.Tolstukhin, J.Vanderwerp, R.L.Varner, C.J.Virtue, G.Visser, C.Wiseman, T.Wongjirad, J.Yang, Y.-R.Yen, J.Yoo, C.-H.Yu, J.Zettlemoyer

First constraint on coherent elastic neutrino-nucleus scattering in argon

NUCLEAR REACTIONS Ar, 133Cs, 127I, Ge, 23Na(ν, ν), E, 100 MeV; measured reaction products, nuclear recoils; deduced a limit on coherent elastic neutrino-nucleus scattering.

doi: 10.1103/PhysRevD.100.115020
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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
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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
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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
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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
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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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2010LA05      Phys.Rev. C 82, 015502 (2010)

C.M.Lavelle, C.-Y.Liu, W.Fox, G.Manus, P.M.McChesney, D.J.Salvat, Y.Shin, M.Makela, C.Morris, A.Saunders, A.Couture, A.R.Young

Ultracold-neutron production in a pulsed-neutron beam line

NUCLEAR REACTIONS 2H, 16O(n, n), E=ultracold; measured σ, γ-spectra, Bragg reflection spectra, low-temperature dependence on yield of ultracold neutrons. Liquid orthodeuterium and solid oxygen targets. Pulse-neutron incident beam.

doi: 10.1103/PhysRevC.82.015502
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1989FO08      Nucl.Phys. A495, 463 (1989)

W.R.Fox

The One-Loop Effective Potential in Nuclear Matter and Nuclei

NUCLEAR STRUCTURE 40Ca, 208Pb, 16O; calculated binding energy, proton, neutron levels, charge density. One-loop effective potential.

doi: 10.1016/0375-9474(89)90355-2
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1961FO11      Proc.Phys.Soc.(London) 77, 1141 (1961)

W.N.Fox, G.W.Series

Hyperfine Structure of the Level 52P1/2 of Potassium 39

NUCLEAR STRUCTURE 39K; measured not abstracted; deduced nuclear properties.

doi: 10.1088/0370-1328/77/6/305
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Note: The following list of authors and aliases matches the search parameter W.Fox: , W.N.FOX, W.R.FOX