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Test of CPT and Lorentz Invariance from Muonium Spectroscopy

  • Vernon W. Hughes
  • David Kawall
  • Weiwen Liu
  • Matthias Grosse Perdekamp
  • Klaus Jungmann
  • Gisbert zu Putlitz
Chapter
Part of the Lecture Notes in Physics book series (LNP, volume 570)

Abstract

Following a suggestion of Kostelecký et al. we have evaluated a test of CPT and Lorentz invariance from the microwave spectrosopy of muonium. Precise measurements have been reported for the transition frequencies v 12 and v 34 for ground state muonium in a magnetic field H of 1.7 T, both of which involve principally muon spin flip. These frequencies depend on both the hyperfine interaction and Zeeman effect. Hamiltonian terms beyond the standard model which violate CPT and Lorentz invariance would contribute shifts δv 12 and δv 34. The nonstandard theory indicates that v 12 and v 34 should oscillate with the earth’s sidereal frequency and that δv 12 and δv 34 would be anticorrelated. We find no time dependence in v 12v 34 at the level of 20 Hz, which is used to set an upper limit on the size of CPT and Lorentz violating parameters.

Keywords

Lorentz Invariance Muon Spin Lorentz Violation Pressure Shift Violate Lorentz Invariance 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2001

Authors and Affiliations

  • Vernon W. Hughes
    • 1
  • David Kawall
    • 1
  • Weiwen Liu
    • 1
  • Matthias Grosse Perdekamp
    • 2
  • Klaus Jungmann
    • 3
  • Gisbert zu Putlitz
    • 3
  1. 1.Department of PhysicsYale UniversityNew HavenUSA
  2. 2.Riken BNL Research CenterUptonUSA
  3. 3.Physikalisches InstitutUniversität HeidelbergHeidelbergGermany

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