First Direct Limits on Lightly Ionizing Particles with Electric Charge Less than
Journal Article
·
· Physical Review Letters
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 .
- Research Organization:
- SLAC National Accelerator Lab., Menlo Park, CA (United States)
- Sponsoring Organization:
- USDOE Office of Science (SC), High Energy Physics (HEP)
- Contributing Organization:
- CDMS Collaboration
- DOE Contract Number:
- AC02-76SF00515
- OSTI ID:
- 1310029
- Report Number(s):
- SLAC-PUB-16706; PRLTAO; arXiv:1409.3270
- Journal Information:
- Physical Review Letters, Vol. 114, Issue 11; ISSN 0031-9007
- Publisher:
- American Physical Society (APS)
- Country of Publication:
- United States
- Language:
- English
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