### Session F1: Particle Physics I

11:30 AM–12:54 PM, Friday, November 13, 2009
IMU Room: 335 (Iowa Room)

Chair: Robert Zwaska, Fermi National Accelerator Laboratory

Abstract ID: BAPS.2009.PSF.F1.7

### Abstract: F1.00007 : Muon veto system and backgrounds of the DayaBay experiment

12:42 PM–12:54 PM

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#### Author:

Brandon Seilhan
(Illinois Institute of Technology)

The DayaBay reactor neutrino experiment aims to measure the last unknown neutrino mixing angle $\theta_{13}$. To reach our goal sensitivity of $\sin^22\theta_{13}<0.01$ we must identify and veto cosmic ray induced backgrounds at each of our three detector sites. The DayaBay experiment combines a water Cherenkov detector with RPCs to tag muons with an overall efficiency exceeding 99.5\%. This talk will provide an overview of the DayaBay muon veto system and potential cosmic ray induced backgrounds.

To cite this abstract, use the following reference: http://meetings.aps.org/link/BAPS.2009.PSF.F1.7