3-10 August 2016
Chicago IL USA
US/Central timezone
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A Cosmic Ray Veto Detector for the Mu2e Experiment at Fermilab

Aug 6, 2016, 6:00 PM
Riverwalk A/B

Riverwalk A/B

Poster Detector: R&D and Performance Poster Session


E. Craig Dukes (University of Virginia)


The Mu2e experiment is designed to search for the charged-lepton-flavor-violating process, $\mu^-$ to a $e^-$, with unprecedented sensitivity. The single 105-MeV electron that results from this process can be mimicked by electrons produced by cosmic-ray muons traversing the detector. An active veto detector surrounding the apparatus is used to detect incoming cosmic-ray muons. To reduce the backgrounds to the required level it must have an efficiency of about 99.99% as well as excellent hermeticity. The detector consists of four layers of scintillator counters, each with two embedded wavelength-shifting fibers, whose light is detected by silicon photomultipliers. The design and expected performance of the cosmic ray veto detector will be described.

Primary authors

E. Craig Dukes (University of Virginia) Ralf Ehrlich (University of Virginia)

Presentation materials

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