First Direct Limits on Lightly Ionizing Particles with Electric Charge Less than e/6
Name
PhysRevLett.114.111302.pdf
Size
667.26 KB
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Checksum (MD5)
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Author(s)
Agnese, R.
Balakishiyeva, D.
Basu Thakur, R.
Bauer, D. A.
Billard, Julien
Borgland, A.
Bowles, M. A.
Brandt, D.
Brink, P. L.
Bunker, R.
Date Issued
March 2015
Journal
Physical Review Letters
Publisher
American Physical Society
Citation
Agnese, R., et al. "First Direct Limits on Lightly Ionizing Particles with Electric Charge Less than e/6." Phys. Rev. Lett. 114, 111302 (March 2015). © 2015 American Physical Society
Version
Final published version
Abstract
While the standard model of particle physics does not include free particles with fractional charge, experimental searches have not ruled out their existence. We report results from the Cryogenic Dark Matter Search (CDMS II) experiment that give the first direct-detection limits for cosmogenically produced relativistic particles with electric charge lower than e/6. A search for tracks in the six stacked detectors of each of two of the CDMS II towers finds no candidates, thereby excluding new parameter space for particles with electric charges between e/6 and e/200.
MIT Department
Massachusetts Institute of Technology. Department of Physics
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DOI of Published Version
http://dx.doi.org/10.1103/PhysRevLett.114.111302
