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NSR database version of May 20, 2024.

Search: Author = J.Ortiz

Found 4 matches.

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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
Citations: PlumX Metrics


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
Citations: PlumX Metrics


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
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Data from this article have been entered in the EXFOR database. For more information, access X4 dataset14373.


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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Note: The following list of authors and aliases matches the search parameter J.Ortiz: , J.D.ORTIZ