The Daya Bay reactor antineutrino experiment is designed to measure the last unknown neutrino mixing angle to less than 0.01 in sin² 2&thetas; 13 at the 90% confidence level after 3 years of running. The fully commissioned experiment consists of three experimental halls, measuring the antineutrino flux from six reactor cores. The various subsystems of the Daya Bay experiment involved in reaching this ultimate sensitivity are discussed. With full physics running not scheduled until summer 2012, a fully functional near site with 40 tons of target mass can be used to measure sin² 2&thetas;13 to 0.08 at the 90% confidence level in less than 6 months of data taking beginning in summer of 2011. Early physics at the Daya Bay hall does not benefit from the a near detector to measure the reactor antineutrino flux. Understanding and predicting the reactor antineutrino flux is therefore extremely important for early physics. A method of predicting the time-dependent antineutrino spectrum at the Daya Bay near site using publicly available information is presented. Using the antineutrino flux predictions, early physics measurements involving fuel cycles and refueling shutdowns are explored.
|School:||Illinois Institute of Technology|
|School Location:||United States -- Illinois|
|Source:||DAI-B 73/02, Dissertation Abstracts International|
|Keywords:||Antineutrino flux, Neutrinos|
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