Search Results - "Yuan, V.W."

In-situ investigation of the reduction of NiO by a neutron transmission method by Vogel, S, Ustundag, E, Hanan, J.C, Yuan, V.W, Bourke, M.A.M

“…A novel neutron Bragg-edge transmission method was used to study the kinetics of a model solid-state reaction: NiO→Ni+1/2O 2 at 1100 and 1400 °C. This method…”
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Measurement of parity-nonconserving rotation of neutron spin in the 0.734-eV p-wave resonance of 139La by Haseyama, T., Asahi, K., Bowman, J.D., Delheij, P.P.J., Funahashi, H., Ishimoto, S., Jones, G., Masaike, A., Masuda, Y., Matsuda, Y., Morimoto, K., Muto, S., Penttilä, S.I., Pomeroy, V.R., Sakai, K., Sharapov, E.I., Smith, D.A., Yuan, V.W.

“…The parity nonconserving spin rotation of neutrons in the 0.734-eV p-wave resonance of 139La was measured with the neutron transmission method. Two optically…”
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Progress toward a new measurement of the parity violating asymmetry in [formula omitted] by Snow, W.M., Wilburn, W.S., Bowman, J.D., Leuschner, M.B., Penttilä, S.I., Pomeroy, V.R., Rich, D.R., Sharapov, E.I., Yuan, V.W.

“…A proof-of-principle experiment using unpolarized low-energy neutron capture on polyethylene and an array of 12 CsI detectors operated in current mode has been…”
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Progress toward a new measurement of the parity violating asymmetry in n→+p→d+γ by Snow, W.M., Wilburn, W.S., Bowman, J.D., Leuschner, M.B., Penttilä, S.I., Pomeroy, V.R., Rich, D.R., Sharapov, E.I., Yuan, V.W.

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Retransformation (α′→γ) kinetics of strain induced martensite in 304 stainless steel by Stalder, M., Vogel, S., Bourke, M.A.M., Maldonado, J.G., Thoma, D.J., Yuan, V.W.

“…Coupons of austenitic 304 stainless steel (γ) were transformed to approximately 90% martensite (α′) and 10% austenite by rolling at 77 K. Subsequently the…”
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A high-rate 10B-loaded liquid scintillation detector for parity-violation studies in neutron resonances by Yen, Yi-Fen, Bowman, J.D., Bolton, R.D., Crawford, B.E., Delheij, P.P.J., Hart, G.W., Haseyama, T., Frankle, C.M., Iinuma, M., Knudson, J.N., Masaike, A., Masuda, Y., Matsuda, Y., Mitchell, G.E., Penttilä, S.I., Roberson, N.R., Seestrom, S.J., Sharapov, E., Shimizu, H.M., Smith, D.A., Stephenson, S.L., Szymanski, J.J., Yoo, S.H., Yuan, V.W.

“…We have developed a large-area 10 B -loaded liquid scintillation detector for parity-violation studies in neutron resonances with high instantaneous neutron…”
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Measurement of the parity violating asymmetry Aγ in [formula omitted] by Snow, W.M, Bazhenov, A, Blessinger, C.S, Bowman, J.D, Chupp, T.E, Coulter, K.P, Freedman, S.J, Fujikawa, B.K, Gentile, T.R, Greene, G.L, Hansen, G, Hogan, G.E, Ishimoto, S, Jones, G.L, Knudson, J.N, Kolomenski, E, Lamoreaux, S.K, Leuschner, M.B, Masaike, A, Masuda, Y, Matsuda, Y, Morgan, G.L, Morimoto, K, Morris, C.L, Nann, H, Penttilä, S.I, Pirozhkov, A, Pomeroy, V.R, Rich, D.R, Serebrov, A, Sharapov, E.I, Smith, D.A, Smith, T.B, Welsh, R.C, Wietfeldt, F.E, Wilburn, W.S, Yuan, V.W, Zerger, J

“…The weak interaction between neutrons and protons has never been resolved experimentally. In analogy with the strong NN interaction, the weak NN interaction at…”
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Sign correlations and parity nonconservation for neutron resonances in sup 232 Th by Frankle, C.M., Bowman, J.D., Bush, J.E., Delheij, P.P.J., Gould, C.R., Haase, D.G., Knudson, J.N., Mitchell, G.E., Penttilae, S., Postma, H., Roberson, N.R., Seestrom, S.J., Szymanski, J.J., Yoo, S.H., Yuan, V.W., Zhu, X.

“…Parity-nonconserving longitudinal analyzing powers were measured for 23 {ital p}-wave neutron resonances in {sup 232}Th. Seven resonances show effects of…”
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Parity nonconservation for neutron resonances in sup 238 U by Bowman, J.D., Bowman, C.D., Bush, J.E., Delheij, P.P.J., Frankle, C.M., Gould, C.R., Haase, D.G., Knudson, J., Mitchell, G.E., Penttila, S., Postma, H., Roberson, N.R., Seestrom, S.J., Szymanski, J.J., Yuan, V.W., Zhu, X., The TRIPLE Collaboration

“…Parity nonconservation was studied for seventeen states in {sup 239}U by measuring the helicity dependence of the total cross section for epithermal neutrons…”
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Application of a transverse phase-space measurement technique for high-brightness, H/sup -/ beams to the GTA H beam by Johnson, K.F., Connolly, R.C., Garcia, R.C., Rusthoi, D.P., Sander, O.R., Sandoval, D.P., Shinas, M.A., Smith, M., Yuan, V.W.

“…The Ground Test Accelerator (GTA) had the objective of producing a high-brightness, high-current H/sup -/ beam. The major components were a 35 keV injector, a…”
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Unexpected matching insensitivity in DTL of GTA accelerator by Yuan, V.W., Sander, O.R., Connolly, R.C., Gilpatrick, J.D., Johnson, K.F., Lysenko, W.P., Rusthoi, D.P., Smith, M., Weiss, R.

“…The intertank matching section (IMS) of the Ground Test Accelerator (GTA) contains four variable-field quadrupoles (VFQs) and is designed to match beam exiting…”
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Neutron resonance spectroscopy of [sup 113]In and [sup 115]In by Frankle, C.M., Bowman, J.D., Crawford, B.E., Delheij, P.P.J., Gould, C.R., Haase, D.G., Knudson, J.N., Mitchell, G.E., Patterson, S.S., Penttilae, S.I., Popov, Y.P., Roberson, N.R., Seestrom, S.J., Sharapov, E.I., Yen, Y., Yoo, S.H., Yuan, V.W., Zhu, X.

“…The neutron total cross section for natural indium was measured for [ital E][sub [ital n]]=25--500 eV with the time-of-flight method at the Los Alamos Neutron…”
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Observation of a large parity nonconserving analyzing power in Xe by Szymanski, JJ, Snow, WM, Bowman, JD, Cain, B, Crawford, BE, Delheij, PP, Hartman, RD, Haseyama, T, Keith, CD, Knudson, JN, Komives, A, Leuschner, M, Lowie, LY, Masaike, A, Matsuda, Y, Mitchell, GE, Penttilä, SI, Postma, H, Rich, D, Roberson, NR, Seestrom, SJ, Sharapov, EI, Stephenson, SL, Yen, YF, Yuan, VW

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Parity nonconservation for the 0. 88-eV neutron resonance in [sup 81]Br by Frankle, C.M., Bowman, J.D., Bush, J.E., Delheij, P.P.J., Gould, C.R., Haase, D.G., Knudson, J.N., Mitchell, G.E., Penttilae, S., Postma, H., Roberson, N.R., Seestrom, S.J., Szymanski, J.J., Yuan, V.W., Zhu, X.

“…The parity nonconserving longitudinal analyzing power [ital P] was measured for the [ital E][sub [ital n]]=0.88 eV neutron resonance in [sup 81]Br. The value…”
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Parity nonconservation for neutron resonances in sup 232 Th by Frankle, C.M., Bowman, J.D., Bush, J.E., Delheij, P.P.J., Gould, C.R., Haase, D.G., Knudson, J.N., Mitchell, G.E., Penttilae, S., Postma, H., Roberson, N.R., Seestrom, S.J., Szymanski, J.J., Yoo, S.H., Yuan, V.W., Zhu, X.

“…Parity nonconserving (PNC) longitudinal analyzing powers were measured for 23 {ital p}-wave neutron resonances in {sup 232}Th. Seven resonances show effects of…”
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Parity nonconservation for neutron resonances in sup 238 U by Zhu, X., Bowman, J.D., Bowman, C.D., Bush, J.E., Delheij, P.P.J., Frankle, C.M., Gould, C.R., Haase, D.G., Knudson, J.N., Mitchell, G.E., Penttilae, S., Postma, H., Roberson, N.R., Seestrom, S.J., Szymanski, J.J., Yuan, V.W.

“…Parity nonconservation (PNC) was studied for 16 {ital p}-wave resonances in {sup 238}U by measuring the helicity dependence of the total cross section for…”
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Parity nonconservation in polarized-neutron transmission through sup 139 La by Yuan, V.W., Bowman, C.D., Bowman, J.D., Bush, J.E., Delheij, P.P.J., Frankle, C.M., Gould, C.R., Haase, D.G., Knudson, J.N., Mitchell, G.E., Penttilae, S., Postma, H., Roberson, N.R., Seestrom, S.J., Szymanski, J.J., Zhu, X.

“…Parity nonconservation has been studied in the transmission of longitudinally polarized epithermal neutrons incident upon a {sup 139}La target. Previous…”
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Depolarization of neutrons in ferromagnetic holmium by means of enhanced nuclear parity violation in sup 139 La by Haase, D.G., Bowman, J.D., Delheij, P.P.J., Frankle, C.M., Gould, C.R., Knudson, J.N., Koster, J.E., Mitchell, G.E., Penttilae, S., Postma, H., Roberson, N.R., Seestrom, S.J., Yoo, S.H., Yuan, V.W.

“…The depolarization of epithermal neutrons in a thick single crystal of ferromagnetic holmium has been measured and analyzed with a model of neutron precession…”
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Experimental limit on parity violation in nonresonant neutron-nucleus scattering by Bowman, JD, Delheij, PP, Frankle, CM, Gould, CR, Haase, DG, Knudson, JN, Mitchell, GE, Penttilä, S, Postma, H, Roberson, NR, Seestrom, SJ, Szymanski, JJ, Yeh, JJ, Yoo, SH, Yuan, VW, Zhu, X

“…The parity-nonconserving longitudinal asymmetry [ital P] has been measured in nonresonant regions in [sup 232]Th for neutron energies in the range 6--86 eV…”
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H- beam characterization using laser-induced neutralization by Yuan, V.W., Garcia, R., Johnson, K.F., Saadatmand, K., Sander, O.R., Sandoval, D., Shinas, M.

“…The capabilities of the laser-induced neutralization technique, LINDA, as a diagnostic go beyond its primary function of quantitatively determining emittance…”
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