NSR Query Results
Output year order : Descending NSR database version of April 27, 2024. Search: Author = A.Saunders Found 22 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
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
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
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
2016PH02 Phys.Rep. 612, 1 (2016) D.G.Phillips II, W.M.Snow, K.Babu, S.Banerjee, D.V.Baxter, Z.Berezhiani, M.Bergevin, S.Bhattacharya, G.Brooijmans, L.Castellanos, M.-C.Chen, C.E.Coppola, R.Cowsik, J.A.Crabtree, P.Das, E.B.Dees, A.Dolgov, P.D.Ferguson, M.Frost, T.Gabriel, A.Gal, F.Gallmeier, K.Ganezer, E.Golubeva, G.Greene, B.Hartfiel, A.Hawari, L.Heilbronn, C.Johnson, Y.Kamyshkov, B.Kerbikov, M.Kitaguchi, B.Z.Kopeliovich, V.B.Kopeliovich, V.A.Kuzmin, C-Y.Liu, P.McGaughey, M.Mocko, R.Mohapatra, N.Mokhov, G.Muhrer, H.P.Mumm, L.Okun, R.W.Pattie, Jr., C.Quigg, E.Ramberg, A.Ray, A.Roy, A.Ruggles, U.Sarkar, A.Saunders, A.P.Serebrov, H.M.Shimizu, R.Shrock, A.K.Sikdar, S.Sjue, S.Striganov, L.W.Townsend, R.Tschirhart, A.Vainshtein, R.Van Kooten, Z.Wang, A.R.Young Neutron-antineutron oscillations: Theoretical status and experimental prospects COMPILATION A=1; compiled experimental and theoretical information.
doi: 10.1016/j.physrep.2015.11.001
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
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
2011AT02 Europhys.Lett. 95, 12001 (2011) F.Atchison, B.Blau, K.Bodek, B.van den Brandt, T.Brys, M.Daum, P.Fierlinger, P.Geltenbort, P.Hautle, R.Henneck, S.Heule, A.Holley, M.Kasprzak, K.Kirch, A.Knecht, J.A.Konter, M.Kuzniak, C.-Y.Liu, A.Pichlmaier, C.Plonka, Y.Pokotilovski, A.Saunders, D.Tortorella, M.Wohlmuther, A.R.Young, J.Zejma, G.Zsigmond Production of ultracold neutrons from cryogenic 2H2, O2, and C2H4 converters NUCLEAR REACTIONS 1,2H, C, O(n, n'), E<0.0253 eV; measured En, In, TOF; deduced yields, production rates of ultracold neutrons. Comparison with GEANT4 UCN-Monte Carlo code.
doi: 10.1209/0295-5075/95/12001
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
2007AT06 Phys.Rev.Lett. 99, 262502 (2007) F.Atchison, B.Blau, K.Bodek, B.van den Brandt, T.Brys, M.Daum, P.Fierlinger, A.Frei, P.Geltenbort, P.Hautle, R.Henneck, S.Heule, A.Holley, M.Kasprzak, K.Kirch, A.Knecht, J.A.Konter, M.Kuzniak, C.-Y.Liu, C.L.Morris, A.Pichlmaier, C.Plonka, Y.Pokotilovski, A.Saunders, Y.Shin, D.Tortorella, M.Wohlmuther, A.R.Young, J.Zejma, G.Zsigmond Cold Neutron Energy Dependent Production of Ultracold Neutrons in Solid Deuterium NUCLEAR REACTIONS 2H(n, n), E=low; measured ultra cold neutron production cross sections.
doi: 10.1103/PhysRevLett.99.262502
2004SA45 Phys.Lett. B 593, 55 (2004) A.Saunders, J.M.Anaya, T.J.Bowles, B.W.Filippone, P.Geltenbort, R.E.Hill, M.Hino, S.Hoedl, G.E.Hogan, T.M.Ito, K.W.Jones, T.Kawai, K.Kirch, S.K.Lamoreaux, C.-Y.Liu, M.Makela, L.J.Marek, J.W.Martin, C.L.Morris, R.N.Mortensen, A.Pichlmaier, S.J.Seestrom, A.Serebrov, D.Smith, W.Teasdale, B.Tipton, R.B.Vogelaar, A.R.Young, J.Yuan Demonstration of a solid deuterium source of ultra-cold neutrons
doi: 10.1016/j.physletb.2004.04.048
2003MO26 Nucl.Instrum.Methods Phys.Res. B211, 297 (2003) G.L.Morgan, K.R.Alrick, A.Saunders, F.C.Cverna, N.S.P.King, F.E.Merrill, L.S.Waters, A.L.Hanson, G.A.Greene, R.P.Liljestrand, R.T.Thompson, E.A.Henry Total cross sections for the production of 22Na and 24Na in proton-induced reactions on 27Al from 0.40 to 22.4 GeV NUCLEAR REACTIONS 27Al(p, X)22Na/24Na, E=0.4-22.4 GeV; measured production σ. Activation technique, comparison with previous results.
doi: 10.1016/S0168-583X(03)01364-8
2002MO40 Phys.Rev.Lett. 89, 272501 (2002) C.L.Morris, J.M.Anaya, T.J.Bowles, B.W.Filippone, P.Geltenbort, R.E.Hill, M.Hino, S.Hoedl, G.E.Hogan, T.M.Ito, T.Kawai, K.Kirch, S.K.Lamoreaux, C.-Y.Liu, M.Makela, L.J.Marek, J.W.Martin, R.N.Mortensen, A.Pichlmaier, A.Saunders, S.J.Seestrom, D.Smith, W.Teasdale, B.Tipton, M.Utsuro, A.R.Young, J.Yuan Measurements of Ultracold-Neutron Lifetimes in Solid Deuterium
doi: 10.1103/PhysRevLett.89.272501
2000GE11 Phys.Rev. C62, 024612 (2000) C.J.Gelderloos, J.T.Brack, M.D.Holcomb, M.V.Keilman, D.J.Mercer, R.J.Peterson, R.A.Ristinen, A.Saunders Reaction and Total Cross Sections for 400-500 MeV π- on Nuclei NUCLEAR REACTIONS 2H, 6Li, C, 27Al, S, Ca, Cu, Zr, Sn, Pb(π-, X), E=400-500 MeV; measured total and reaction σ. Comparison with elastic scattering data, model predictions.
doi: 10.1103/PhysRevC.62.024612
1999KR03 Phys.Rev. C59, 1480 (1999) B.J.Kriss, S.Hoibraten, M.D.Holcomb, M.D.Kohler, J.J.Kraushaar, S.Parry, R.A.Ristinen, A.Saunders, W.R.Smythe, C.L.Morris, M.Rawool-Sullivan, R.M.Whitton, J.T.Brack, E.F.Gibson, J.L.Langenbrunner Pion-Proton Integral Cross Sections at Tπ = 40 to 284 MeV NUCLEAR REACTIONS 1H(π+, π+), E=39.8-283.9 MeV; 1H(π-, π-), E=80-283.9 MeV; measured integral σ for 30° ≤ θ ≤ 180°. Comparison with phase shift predictions.
doi: 10.1103/PhysRevC.59.1480
1997OF01 Phys.Rev. C55, 1295 (1997) B.G.Ofenloch, R.A.Giannelli, B.G.Ritchie, J.M.O'Donnell, J.N.Knudson, C.L.Morris, C.M.Kormanyos, A.Saunders, J.Z.Williams, R.A.Lindgren, B.L.Clausen Pion-Nucleus Spin-Flip Strength at Low and Resonance Energies NUCLEAR REACTIONS 10B(π+, π+'), E=65 MeV; measured σ(θ). 10B deduced isovector spin-flip strength parameter, B(λ). Other data analyzed.
doi: 10.1103/PhysRevC.55.1295
1996SA08 Phys.Rev. C53, 1745 (1996) A.Saunders, S.Hoibraten, J.J.Kraushaar, B.J.Kriss, R.J.Peterson, R.A.Ristinen, J.T.Brack, G.Hofman, E.F.Gibson, C.L.Morris Reaction and Total Cross Sections for Low Energy π+ and π- on Isospin Zero Nuclei NUCLEAR REACTIONS 2H, 6Li, C, 27Al, Si, S, Ca(π+, X), (π-, X), E=42-65 MeV; measured total, reaction σ. Model comparisons.
doi: 10.1103/PhysRevC.53.1745
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