Local Lorentz Invariance Tests for Photons and Hadrons at the Gamma Factory

High‐precision tests of local Lorentz invariance, via monitoring of the sidereal time variation of the photon energies emitted by ultrarelativistic heavy‐ion beams and of the beam momentum, are proposed. This paper includes descriptions of the physics ideas and the concept for the detector. The expe...

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Bibliographic Details
Published in:Annalen der Physik 2022-03, Vol.534 (3), p.n/a
Main Authors: Wojtsekhowski, B., Budker, Dmitry
Format: Article
Language:English
Subjects:
Anisotropy
anisotropy of the speed of light
Hadrons
Invariance
Ion beams
local Lorentz invariance
Photons
Sidereal time
special relativity
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Summary:High‐precision tests of local Lorentz invariance, via monitoring of the sidereal time variation of the photon energies emitted by ultrarelativistic heavy‐ion beams and of the beam momentum, are proposed. This paper includes descriptions of the physics ideas and the concept for the detector. The experiment results will allow high‐precision tests of LLI via anisotropy of the maximum attainable speed of a photon and an ion. The projected accuracy for the asymmetries interpreted in the framework of the anisotropic relativistic mechanics corresponds to the limit on sidereal time variation of the one‐way maximum attainable speed at the levels between 10−14 and 10−17. Special relativity is among the best‐tested physics theories, especially, its prediction of the isotropy of the speed of light. However, most experiments are sensitive to the two‐way, rather than the one‐way speed of light. This is also true for the maximum achievable speeds for massive particles. The Gamma Factory may enable testing of one‐way anisotropies at an unprecedented level of precision.
ISSN:0003-3804
1521-3889
DOI:10.1002/andp.202100141