Phys. Rev. D 67, 017701 (2003) [2 pages]New laboratory technique for measuring the photon chargeReceived 9 August 2002; published 9 January 2003 A measurement of the deflection of a laser beam in a modulated magnetic field with a prototype apparatus has produced an upper limit on the charge of the photon of 8.5×10-17e. It is shown that an improved apparatus could attain a sensitivity of 10-21e. © 2003 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevD.67.017701
DOI:
10.1103/PhysRevD.67.017701
PACS:
14.70.Bh
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