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Related papers: MICROSCOPE mission analysis, requirements and expe…

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We use data from the T-SAGE instrument on board the MICROSCOPE space mission to search for Lorentz violation in matter-gravity couplings as described by the Lorentz violating Standard-Model Extension (SME) coefficients…

The objective of a SEE mission is to support development of unification theory by carrying out sensitive gravitational tests capable of determining whether various alternative theories are compatible with nature. Gravitation is a key…

General Relativity and Quantum Cosmology · Physics 2010-05-21 Alvin J. Sanders , George T. Gillies

Apart from the suspected violation of the CPT invariance, we might expect if the measurements of antihydrogen atoms provide testing Weak Equivalence Principle (WEP) in the gravitational phenomena. We start with how its violation can be…

General Relativity and Quantum Cosmology · Physics 2008-11-26 Yasunori Fujii

Missing data are a common problem in experimental and observational physics. They can be caused by various sources, either an instrument's saturation, or a contamination from an external event, or a data loss. In particular, they can have a…

Instrumentation and Methods for Astrophysics · Physics 2016-01-20 Joel Bergé , Sandrine Pires , Quentin Baghi , Pierre Touboul , Gilles Métris

STE-QUEST is a fundamental science mission which is considered for launch within the Cosmic Vision programme of the European Space Agency (ESA). Its main scientific objectives relate to probing various aspects of Einstein's theory of…

Instrumentation and Detectors · Physics 2014-12-31 Gerald Hechenblaikner , Marc-Peter Hess , Marianna Vitelli , Jan Beck

The coincident detection of a gravitational-wave (GW) event GW170817 with electromagnetic (EM) signals (e.g., a short gamma-ray burst SGRB 170817A or a macronova) from a binary neutron star merger within the nearby galaxy NGC 4933 provides…

High Energy Astrophysical Phenomena · Physics 2017-12-06 Jun-Jie Wei , Bin-Bin Zhang , Xue-Feng Wu , He Gao , Peter Mészáros , Bing Zhang , Zi-Gao Dai , Shuang-Nan Zhang , Zong-Hong Zhu

The proposed Satellite Test of the Equivalence Principle (STEP) will detect possible violations of the Weak Equivalence Principle by measuring relative accelerations between test masses of different composition with a precision of one part…

General Relativity and Quantum Cosmology · Physics 2016-08-24 Jonas P. Pereira , James M. Overduin , Alexander J. Poyneer

The purpose of the MAP mission is to determine the geometry, content, and evolution of the universe via a 13 arcmin full-width-half-max (FWHM) resolution full sky map of the temperature anisotropy of the cosmic microwave background…

The Universality of Free Fall and the Weak Equivalence Principle, which are at the basis of General Relativity, have been confirmed to 1 part in 10^13. Space experiments with macroscopic test masses of different composition orbiting the…

General Relativity and Quantum Cosmology · Physics 2017-01-04 Anna M. Nobili

The Einstein Equivalence Principle (EEP) carries a pivotal role in understanding theory of gravity and spacetime. It guarantees the gravity to be understood as geometric phenomenon. Considering gravitational coupling of matter in the…

General Relativity and Quantum Cosmology · Physics 2021-07-21 ChengGang Qin , YuJie Tan , ChengGang Shao

We describe SR-POEM, a Galilean test of the weak equivalence principle that is to be conducted during the free fall portion of the flight of a sounding rocket payload. This test of a single pair of substances will have a measurement…

General Relativity and Quantum Cosmology · Physics 2015-06-05 Robert D. Reasenberg , Biju R. Patla , James D. Phillips , Rajesh Thapa

In this paper, we review tests of the strong equivalence principle (SEP) derived from pulsar-white dwarf data. The extreme difference in binding energy between both components and the precise measurement of the orbital motion provided by…

General Relativity and Quantum Cosmology · Physics 2015-06-05 Paulo C. C. Freire , Michael Kramer , Norbert Wex

We use both mass and internal energy specified rubidium atoms to jointly test the weak equivalence principle (WEP). We improve the four-wave double-diffraction Raman transition method (FWDR) we proposed before to select atoms with certain…

This article is dedicated to the use the MICROSCOPE mission's data to test chameleon theory of gravity. We take advantage of the technical sessions aimed to characterize the electrostatic stiffness of MICROSCOPE's instrument intrinsic to…

General Relativity and Quantum Cosmology · Physics 2021-03-31 Martin Pernot-Borràs , Joël Bergé , Philippe Brax , Jean-Philippe Uzan , Gilles Métris , Manuel Rodrigues , Pierre Touboul

Einstein's theory of gravity, general relativity, has passed stringent tests in laboratories, elsewhere in the Solar Sytem, and in pulsar binaries. Nevertheless it is known to be incompatible with quantum mechanics and must differ from the…

The Solar System Odyssey mission uses modern-day high-precision experimental techniques to test the laws of fundamental physics which determine dynamics in the solar system. It could lead to major discoveries by using demonstrated…

We investigate the performance of the upcoming ACES (Atomic Clock Ensemble in Space) space mission in terms of its primary scientific objective, the test of the gravitational redshift. Whilst the ultimate performance of that test is…

Instrumentation and Methods for Astrophysics · Physics 2020-01-08 Etienne Savalle , Christine Guerlin , Pacôme Delva , Frédéric Meynadier , Christophe le Poncin-Lafitte , Peter Wolf

The Solar Close Observations and Proximity Experiments (SCOPE) mission will send a spacecraft into the solar atmosphere at a low altitude of just 5 R_sun from the solar center. It aims to elucidate the mechanisms behind solar eruptions and…

We describe a Galilean test of the weak equivalence principle, to be conducted during the free fall portion of a sounding rocket flight. The test of a single pair of substances is aimed at a measurement uncertainty of sigma(eta) < 10^-16…

General Relativity and Quantum Cosmology · Physics 2015-05-18 Robert D. Reasenberg , James D. Phillips

The Wilkinson Microwave Anisotropy Probe (WMAP) has mapped the full sky in five frequency bands between 23 and 94 GHz. The primary goal of the mission is to produce high-fidelity, all-sky, polarization-sensitive maps that can be used to…

Astrophysics · Physics 2007-05-23 Lyman Page