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Matter Neutrality Test Using a Mach-Zehnder Interferometer

  • Caroline Champenois
  • Matthias Büchner
  • Rémi Delhuille
  • Renaud Mathevet
  • Cécile Robilliard
  • Carlo Rizzo
  • Jacques Vigué
Chapter
Part of the Lecture Notes in Physics book series (LNP, volume 570)

Abstract

Neutrality of atoms and neutrons is already well established, with upper limits on the residual charge close to 10-21|qe| where qe is the electron charge. The present paper proves that the sensitivity of atom interferometry is sufficient to compete with these previous measurements, with the additional advantage of dealing with single isolated particles. An experiment involving a three grating Mach-Zehnder atom interferometer using Bragg diffraction on laser standing waves and a slow lithium atomic beam is discussed with some details. Its sensitivity and the systematic effects due to atomic polarisability are evaluated carefully.

Keywords

Atomic Beam Lithium Atom Atom Interferometer Residual Charge Atom Interferometry 
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

  • Caroline Champenois
    • 1
  • Matthias Büchner
    • 1
  • Rémi Delhuille
    • 1
  • Renaud Mathevet
    • 1
  • Cécile Robilliard
    • 1
  • Carlo Rizzo
    • 1
  • Jacques Vigué
    • 1
  1. 1.Laboratoire Collisions, Agrégats, Réactivité, IRSAMCUniversité Paul Sabatier and CNRS UMR 5589ToulouseFrance

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