Zobrazeno 1 - 10
of 70
pro vyhledávání: '"J P Turneaure"'
Autor:
C. W. F. Everitt, D. Hipkins, Thomas J. Holmes, Jie Li, M. I. Heifetz, J. M. Lockhart, Sasha Buchman, Barry Muhlfelder, D.B. DeBra, John A. Lipa, M. Dolphin, Y. Ohshima, M. Taber, M. Adams, V G Solomonik, John Mester, P W Worden, J. Kolodziejczak, S. Wang, William J. Bencze, B. Clarke, A. Silbergleit, G. M. Keiser, J. P. Turneaure, M. Salomon, K. Stahl, John Conklin, Bradford W. Parkinson
Publikováno v:
Space Science Reviews. 148:53-69
This is the first of five connected papers detailing progress on the Gravity Probe B (GP-B) Relativity Mission. GP-B, launched 20 April 2004, is a landmark physics experiment in space to test two fundamental predictions of Einstein’s general relati
Autor:
William J. Bencze, Sasha Buchman, C. W. F. Everitt, Bradford W. Parkinson, D.B. DeBra, Jie Li, M. Taber, Barry Muhlfelder, M. I. Heifetz, S. Wang, G. M. Keiser, J. P. Turneaure, G. Green, Alexander S. Silbergleit, John A. Lipa, B. Clarke, D. N. Hipkins
Publikováno v:
Nuclear Physics B - Proceedings Supplements. 166:147-152
The Gravity Probe B experiment was developed to test two predictions of General Relativity; the Geodetic and the frame-dragging precessions of a mechanical gyroscope due to the gravitational field of the Earth. This space-based, cryogenic experiment
Autor:
D.B. DeBra, C. W. F. Everitt, R. Torii, P W Worden, B. Foulon, J. M. Lockhart, C.M. Pegrum, A. M. Cruise, N. A. Lockerbie, F. Loeffler, John A. Lipa, Clive C. Speake, H. Dittus, W. Vodel, Sasha Buchman, Barry Muhlfelder, Pierre Touboul, T. J. Sumner, John Mester, G. M. Keiser, Bradford W. Parkinson, M. Sandford, B. J. Kent, J. P. Turneaure, Stefano Vitale, M. Taber
Publikováno v:
Nuclear Physics B - Proceedings Supplements. 134:147-154
We describe two space based gravitational physics experiments, the Gravity Probe B Relativity Mission (GPB) and the Satellite Test of the Equivalence Principle (STEP). GP-B will perform precision tests of two independent predictions of general relati
Autor:
M. Taber, Barry Muhlfelder, Gregory M. Gutt, J. M. Lockhart, D.O. Murray, D.B. DeBra, G. M. Keiser, D. Bardas, J. P. Turneaure, R. A. van Patten, John Mester, Y. M. Xiao, Sasha Buchman, C. W. F. Everitt, B. W. Parkinson
Publikováno v:
Advances in Space Research. 32:1417-1420
Most of the Flight Payload hardware for the Gravity Probe B Relativity Mission is currently being manufactured. The design, fabrication, and integration of this hardware has already been subjected to an extensive program of full scale prototyping and
Autor:
M. I. Heifetz, Y. M. Xiao, J. P. Turneaure, M. Taber, B. W. Parkinson, R. A. van Patten, J. Grammer, John A. Lipa, H. Dougherty, R.T. Parmley, N. J. Kasdin, D. Bardas, John Mester, G. M. Keiser, Barry Muhlfelder, Alexander S. Silbergleit, J. M. Lockhart, Dz-Hung Gwo, Gregory M. Gutt, M.T. Sullivan, R. H. Vassar, D. Gill, G. Green, P. Zhou, Sasha Buchman, D.B. DeBra, C. W. F. Everitt, S. Wang
Publikováno v:
Advances in Space Research. 32:1387-1396
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 altitude polar orbit about the earth. For Einstein's general relativity, the precessio
Autor:
Rita Dolesi, J. P. Turneaure, Stefano Vitale, Antonella Cavalleri, W. J. Weber, Giorgio Fontana, Mauro Hueller
Publikováno v:
Classical and Quantum Gravity. 18:4133-4144
We report on progress in the development of free-falling moving test-masses for LISA and for the related technology demonstration mission. We present simple formulae to evaluate the performance of the device as a function of the various design parame
Autor:
Y. M. Xiao, G. M. Keiser, Bradford W. Parkinson, J. P. Turneaure, Robert W. Brumley, D. Gill, C. W. F. Everitt, Saps Buchman
Publikováno v:
Advances in Space Research. 25:1181-1184
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 105. This goal requires a total experimental accuracy of ≤ 0.044 marcsec/yr. Analysis of and
Publikováno v:
Advances in Space Research. 25:1251-1254
Superconducting Cavity Stabilized Oscillators, SCSO, have produced the most stable clocks to date, achieving an Allen variance of 3×10−16 for integration times between 102 and 103 seconds. Cavity frequency variations are mainly caused by accelerat
Autor:
D. Bardas, Gregory M. Gutt, D. Gill, Y. M. Xiao, Robert W. Brumley, J. P. Turneaure, G. M. Keiser, M. Taber, Barry Muhlfelder, John A. Lipa, John Mester, D. H. Gwo, Saps Buchman, C. W. F. Everitt, William J. Bencze, P. Zhou, D.B. DeBra, Bradford W. Parkinson, J.M. Lockhart, S. Wang
Publikováno v:
Advances in Space Research. 25:1177-1180
The NASA/Stanford Relativity Mission Gravity Probe B (GP-B) experiment will provide two extremely precise tests of General Relativity based on observations of electrically suspended gyroscopes in a satellite in a 650 km circular polar orbit around th
Autor:
Saps Buchman, Mac Keiser, Gregory M. Gutt, J. P. Turneaure, Doron Bardas, Francis Everitt, Y. M. Xiao, J. M. Lockhart, M. Taber, Barry Muhlfelder, D. Gill, Robert W. Brumley, John Mester, Brian DiDonna, B. W. Parkinson
Publikováno v:
Classical and Quantum Gravity. 13:A185-A191
The Gravity Probe B relativity mission experiment is designed to measure the frame dragging and geodetic relativistic precessions in a 650 km polar orbit. We describe some of the advanced experimental techniques used to achieve the required gyroscope