NSR Query Results
Output year order : Descending NSR database version of April 25, 2024. Search: Author = L.J.Broussard Found 12 matches. 2023HA20 Phys.Rev. C 107, 065503 (2023) L.Hayen, J.H.Choi, D.Combs, R.J.Taylor, S.Baessler, N.Birge, L.J.Broussard, C.B.Crawford, N.Fomin, M.Gericke, F.Gonzalez, A.Jezghani, N.Macsai, M.Makela, D.G.Mathews, R.Mammei, M.McCrea, A.Mendelsohn, A.Nelsen, G.Riley, T.Shelton, S.Sjue, E.Smith, A.R.Young, B.Zeck Precision pulse shape simulation for proton detection at the Nab experiment
doi: 10.1103/PhysRevC.107.065503
2022BR05 Phys.Rev.Lett. 128, 212503 (2022) L.J.Broussard, J.L.Barrow, L.DeBeer-Schmitt, T.Dennis, M.R.Fitzsimmons, M.J.Frost, C.E.Gilbert, F.M.Gonzalez, L.Heilbronn, E.B.Iverson, A.Johnston, Y.Kamyshkov, M.Kline, P.Lewiz, C.Matteson, J.Ternullo, L.Varriano, S.Vavra Experimental Search for Neutron to Mirror Neutron Oscillations as an Explanation of the Neutron Lifetime Anomaly NUCLEAR REACTIONS B, C(n, X), E cold; measured reaction products, En, In. 1NN; deduced neutron transmission, neutron conversions, increase the apparent neutron lifetime. The Spallation Neutron Source, the National Institute of Standards and Technology Beam Lifetime experiment.
doi: 10.1103/PhysRevLett.128.212503
2019BR14 Hyperfine Interactions 240, 1 (2019) L.J.Broussard, S.Baessler, T.L.Bailey, N.Birge, J.D.Bowman, C.B.Crawford, C.Cude-Woods, D.E.Fellers, N.Fomin, E.Frlez, M.T.W.Gericke, L.Hayen, A.P.Jezghani, H.Li, N.Macsai, M.F.Makela, R.R.Mammei, D.Mathews, P.L.McGaughey, P.E.Mueller, D.Pocanic, C.A.Royse, A.Salas-Bacci, S.K.L.Sjue, J.C.Ramsey, N.Severijns, E.C.Smith, J.Wexler, R.A.Whitehead, A.R.Young, B.A.Zeck Using Nab to determine correlations in unpolarized neutron decay RADIOACTIVITY 45Ca(β-); measured decay products, Eβ, Iβ; deduced sensitivity for the ratio of the weak axial-vector and vector coupling constants.
doi: 10.1007/s10751-018-1538-7
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
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
2014BR06 Phys.Rev.Lett. 112, 212301 (2014) L.J.Broussard, H.O.Back, M.S.Boswell, A.S.Crowell, P.Dendooven, G.S.Giri, C.R.Howell, M.F.Kidd, K.Jungmann, W.L.Kruithof, A.Mol, C.J.G.Onderwater, R.W.Pattie, Jr., P.D.Shidling, M.Sohani, D.J.van der Hoek, A.Rogachevskiy, E.Traykov, O.O.Versolato, L.Willmann, H.W.Wilschut, A.R.Young Measurement of the Half-Life of the T= 1/2 Mirror Decay of 19Ne and its Implication on Physics Beyond the Standard Model RADIOACTIVITY 19Ne(EC) [from 19F(p, n), E=10.5 MeV/nucleon]; measured decay products, Eγ, Iγ; deduced T1/2. Comparison with available data and systematics.
doi: 10.1103/PhysRevLett.112.212301
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
2013SH41 Phys.Rev. C 88, 037601 (2013) E.I.Sharapov, C.L.Morris, M.Makela, A.Saunders, E.R.Adamek, Y.Bagdasarova, L.J.Broussard, C.B.Cude-Woods, D.E.Fellers, P.Geltenbort, S.I.Hasan, K.P.Hickerson, G.Hogan, A.T.Holley, C.-Y.Liu, M.P.Mendenhall, J.Ortiz, R.W.Pattie, D.G.Phillips, J.Ramsey, D.J.Salvat, S.J.Seestrom, E.Shaw, S.K.L.Sjue, W.E.Sondheim, B.VornDick, Z.Wang, T.L.Womack, A.R.Young, B.A.Zeck Measurements of ultracold neutron upscattering and absorption in polyethylene and vanadium NUCLEAR REACTIONS 1H, V(n, n'), (n, γ), E=ultracold neutrons; measured E(n), I(n), Eγ, Iγ, ultra-cold neutron (UCN) upscattering and capture σ at UCN facility of LANL. Application to nuclear and particle physics, cosmology and gravity.
doi: 10.1103/PhysRevC.88.037601
2013SH46 Phys.Rev. C 88, 064605 (2013) E.I.Sharapov, C.L.Morris, M.Makela, A.Saunders, E.R.Adamek, L.J.Broussard, C.B.Cude-Woods, D.E.Fellers, P.Geltenbort, M.Hartl, S.I.Hasan, K.P.Hickerson, G.Hogan, A.T.Holley, C.M.Lavelle, C.-Y.Liu, M.P.Mendenhall, J.Ortiz, R.W.Pattie, D.G.Phillips, J.Ramsey, D.J.Salvat, S.J.Seestrom, E.Shaw, S.Sjue, W.E.Sondheim, B.VornDick, Z.Wang, T.L.Womack, A.R.Young, B.A.Zeck Upscattering of ultracold neutrons from the polymer [C6H12]n NUCLEAR REACTIONS 1H(n, n'), E=ultracold; measured spectra and rates of upscattered neutrons up to 100 meV range, shapes of spectra at LANSCE-LANL facility; deduced similar density of states in polyethylene (PE) and polymethylpentene (PMP) samples. Analysis using MCNP computer code.
doi: 10.1103/PhysRevC.88.064605
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