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Probing the gravitational redshift with an Earth-orbiting satellite

journal contribution
posted on 2023-05-19, 16:04 authored by Litvinov, DA, Rudenko, VN, Alakoz, AV, Bach, U, Bartel, N, Belonenko, AV, Belousov, KG, Bietenholz, M, Biriukov, AV, Carman, R, Cimo, G, Courde, C, Dirkx, D, Duev, DA, Filetkin, AI, Granato, G, Gurvits, LI, Gusev, AV, Haas, R, Herold, G, Kahlon, A, Kanevsky, BZ, Kauts, VL, Kopelyansky, GD, Kovalenko, AV, Kronschnabl, G, Kulagin, VV, Kutkin, AM, Lindqvist, M, James LovellJames Lovell, Mariey, H, Jamie McCallumJamie McCallum, Molera Calves, G, Moore, C, Moore, K, Neidhardt, A, Plotz, C, Pogrebenko, SV, Pollard, A, Porayko, NK, Quick, J, Smirnov, AI, Sokolovsky, KV, Stepanyants, VA, Torre, JM, de Vicente, P, Yang, J, Zakhvatkin, MV
We present an approach to testing the gravitational redshift effect using the RadioAstron satellite. The experiment is based on a modification of the Gravity Probe A scheme of nonrelativistic Doppler compensation and benefits from the highly eccentric orbit and ultra-stable atomic hydrogen maser frequency standard of the RadioAstron satellite. Using the presented techniques we expect to reach an accuracy of the gravitational redshift test of order 10-5, a magnitude better than that of Gravity Probe A. Data processing is ongoing, our preliminary results agree with the validity of the Einstein Equivalence Principle.

History

Publication title

Physics Letters, Section A: General, Atomic and Solid State Physics

Volume

382

Issue

33

Pagination

2192-2198

ISSN

0375-9601

Department/School

School of Natural Sciences

Publisher

Pergamon Press

Place of publication

United Kingdom

Rights statement

Copyright 2017 Elsevier B.V.

Repository Status

  • Restricted

Socio-economic Objectives

Expanding knowledge in the physical sciences

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