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Phys. Rev. Lett. 48, 1378–1381 (1982)

First Results from a Superconductive Detector for Moving Magnetic Monopoles

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Blas Cabrera
Physics Department, Stanford University, Stanford, California 94305

Received 5 April 1982; published in the issue dated 17 May 1982

A velocity- and mass-independent search for moving magnetic monopoles is being performed by continuously monitoring the current in a 20-cm2-area superconducting loop. A single candidate event, consistent with one Dirac unit of magnetic charge, has been detected during five runs totaling 151 days. These data set an upper limit of 6.1×10-10 cm-2 sec-1 sr-1 for magnetically charged particles moving through the earth's surface.

© 1982 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevLett.48.1378
DOI:
10.1103/PhysRevLett.48.1378
PACS:
14.80.Hv