Search Results - "Turneaure, J.P."

A space-based superconducting microwave oscillator clock by Buchman, Saps, Dong, M., Moeur, W., Wang, S., Lipa, J.A., Turneaure, J.P.

“…Superconducting Cavity Stabilized Oscillators, SCSO, have produced the most stable clocks to date, achieving an Allen variance of 3×10 −16 for integration…”
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The Gravity Probe B Relativity Mission by Buchman, Saps, Everitt, C.W.F., Parkinson, B., Turneaure, J.P., DeBra, D., Bardas, D., Bencze, W., Brumley, R., Gill, D., Gutt, G., Gwo, D.H., Keiser, G.M., Lipa, J., Lockhart, J., Mester, J., Muhlfelder, B., Taber, M., Wang, S., Xiao, Y., Zhou, P.

“…The NASA/Stanford Relativity Mission Gravity Probe B (GP-B) experiment will provide two extremely precise tests of General Relativity based on observations of…”
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Development of the Gravity Probe B flight mission by Turneaure, J.P., Everitt, C.W.F., Parkinson, B.W., Bardas, D., Buchman, S., DeBra, D.B., Dougherty, H., Gill, D., Grammer, J., Green, G.B., Gutt, G.M., Gwo, D.-H., Heifetz, M., Kasdin, N.J., Keiser, G.M., Lipa, J.A., Lockhart, J.M., Mester, J.C., Muhlfelder, Barry, Parmley, R., Silbergleit, A.S., Sullivan, M.T., Taber, M.A., Van Patten, R.A., Vassar, R., Wang, S., Xiao, Y.M., Zhou, P.

“…Gravity Probe B is an experiment to measure the geodetic and frame-dragging precessions, relative to the “fixed” “stars”, of a gyroscope placed in a 650 km…”
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Cryogenic gyroscopes for the relativity mission by Buchman, Saps, Everitt, C.W.F, Parkinson, Brad, Turneaure, J.P, Keiser, G.M

“…The relativity mission, also known as gravity probe B (GP-B), uses high-precision electrostatically suspended cryogenic gyroscopes for measuring the…”
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Gravity Probe B payload verification and test program by Taber, M.A., Bardas, D., Buchman, S., DeBra, D.B., Everitt, C.W.F., Gutt, G.M., Keiser, G.M., Lockhart, J.M., Mester, J.C., Muhlfelder, B., Murray, D.O., Parkinson, B.W., Van Patten, R.A., Turneaure, J.P., Xiao, Y.M.

“…Most of the Flight Payload hardware for the Gravity Probe B Relativity Mission is currently being manufactured. The design, fabrication, and integration of…”
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Gyroscopes and charge control for the Relativity Mission Gravity Probe B by Buchman, Saps, Everitt, C.W.F., Parkinson, Brad, Turneaure, J.P., Brumley, R., Gill, D., Keiser, G.M., Xiao, Y.

“…The most demanding goal of the Gravity Probe B Relativity Mission (GP-B) is the measurement of the parametrized post-Newtonian parameter γ to one part in 10 5…”
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Multilayer films of TiC, Ti and Cu for the gravity probe B relativity mission gyroscopes by Zhou, P., Buchman, Saps, Davis, K., Gray, C., Turneaure, J.P.

“…Single-component and multilayer films of TiC, Ti and Cu have been produced by sputtering on fused quartz substrates and have been investigated for suitability…”
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Observation of the London moment and trapped flux in precision gyroscopes by Xiao, Y.M., Felson, W., Wu, C.H., Keiser, G.M., Turneaure, J.P.

“…The London-moment readout has been observed in flight quality gyroscopes and it has been demonstrated that it is possible to reduce magnetic field trapped in…”
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A Superconducting Cavity Stabilized Oscillator by Stein, S.R., Turneaure, J.P.

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Gravity Probe B – Testing Einstein at the Limits of Engineering by Bencze, W.J., Buchman, S., Clarke, B., DeBra, D., Everitt, C.W.F., Green, G., Heifetz, M.I., Hipkins, D.N., Keiser, G.M., Li, J., Lipa, J.A., Muhlfelder, B., Parkinson, B.W., Silbergleit, A.S., Taber, M., Turneaure, J.P., Wang, S.

“…The Gravity Probe B experiment was developed to test two predictions of General Relativity; the Geodetic and the frame-dragging precessions of a mechanical…”
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Superconducting-cavity stabilized oscillators with improved frequency stability by Stein, S.R., Turneaure, J.P.

“…X-band microwave oscillators stabilized with superconducting niobium cavities with loaded Q's of about 10 10 achieved short-term frequency stabilities as low…”
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Elimination on electron multipacting in superconducting structures for electron accelerators by Lyneis, C. M., Schwettman, H. A., Turneaure, J. P.

“…Electron multipacting in a 2.8-GHz TM010-mode anodized niobium test cavity at 1.4 K has been studied experimentally. An electron multipactor simulation…”
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Measurements on Superconducting Nb Prototype Structures at 1300 MHz by Turneaure, J. P.

“…Twenty-four low temperature measurements have been made on six different superconducting Nb cavities at 1300 NHz. These cavities were fabricated using Nb sheet…”
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A superconducting microwave oscillator clock for use on the Space Station by Buchman, S., Turneaure, J.P., Lipa, J.A., Dong, M., Cumbermack, K.M., Wang, S.

“…The International Space Station provides an ideal platform for high precision frequency measurements, both as applied to scientific experiments and as regards…”
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The Development of Superconducting Cavity Stabilized Oscillator by Stein, S.R., Turneaure, J.P.

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Performance of 6-m 1300-MHz superconducting niobium accelerator structures by Turneaure, J. P., Schwettman, H. A., Schwarz, H. D., McAshan, M. S.

“…The design, manufacture, and performance of several 6-m-long 1300-MHz superconducting niobium accelerator structures, which are part of the Stanford…”
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Demonstration of the superconducting electron accelerator as a high-intensity high-resolution device by McAshan, M.S., Mittag, K., Schwettman, H.A., Suelzle, L.R., Turneaure, J.P.

“…In recent experiments with the superconducting injector system, beam intensity and beam quality objectives for the superconducting electron accelerator have…”
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Low Temperature Aspects of a Cryogenic Accelerator by Schwettman, H. A., Turneaure, J. P., Fairbank, W. M., Smith, T. I., McAshan, M. S., Wilson, P. B., Chambers, E. E.

“…The object of this paper is to identify the many low temperature aspects of a cryogenic accelerator and to indicate how these are related to the operating…”
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Test of the principle of equivalence by a null gravitational red-shift experiment by Turneaure, J. P., Will, C. M., Farrell, B. F., Mattison, E. M., Vessot, R. F. C.

“…A test of the Einstein equivalence principle (EEP) was performed by carrying out a 'null' gravitational red-shift experiment. The experiment compared the rates…”
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