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The step mission: principles and baseline design

Mester, J. and Torii, R. and Worden, P. and Lockerbie, N.A. and Vitale, S. and Everitt, C.W.F. (2001) The step mission: principles and baseline design. Classical and Quantum Gravity, 18 (13). pp. 2475-2486. ISSN 0264-9381

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Abstract

The Satellite Test of the Equivalence Principle (STEP) will test the equality of fall of objects in Earth orbit to an accuracy approaching one part in 108 by measuring the difference in rate of fall of test cylinders in cryogenic differential accelerometers in a drag-free satellite. This paper describes the current baseline design and principles used in the design of the STEP mission.