Bulletin of the American Physical Society
APS April Meeting 2013
Volume 58, Number 4
Saturday–Tuesday, April 13–16, 2013; Denver, Colorado
Session Y10: Instrumentation: MicroBooNE & ArgoNeuT |
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Sponsoring Units: DPF Chair: Kate Scholberg, Duke University Room: Governor's Square 12 |
Tuesday, April 16, 2013 1:30PM - 1:42PM |
Y10.00001: MicroBooNE Jennet Dickinson The MicroBooNE experiment, like its predecessor experiment, MiniBooNE, will search for electron neutrino appearance in the Booster Neutrino Beam at Fermilab. The experiment uses a Liquid Argon Time Projection Chamber (LArTPC), which provides powerful electron/photon discrimination and will allow MicroBooNE to investigate the nature of electron-like events observed at low energies by MiniBooNE. The experiment will also refine neutrino cross section measurements and serve as an R\&D test-bench for future large Liquid Argon detectors. MicroBooNE will begin taking data in 2014. This talk describes MicroBooNE's main physics goals, and shows some sensitivities for MicroBooNE. [Preview Abstract] |
Tuesday, April 16, 2013 1:42PM - 1:54PM |
Y10.00002: MicroBooNE TPC trigger and GPS timing Leonidas Kalousis MicroBooNE will be the largest Liquid Argon (LAr) Time Projection Chamber (TPC) in the US and will take data in the Booster Neutrino Beam (BNB) at Fermilab. The main motivations to build MicroBooNE are the investigation of the excess of low energy electromagnetic events seen by MiniBooNE, detailed cross section studies, and the advance LAr R\&D in US. In this talk I will describe the development of an offline trigger using the TPC information and the MicroBooNE features that allow such a development. A TPC based trigger is a triggering system that can be used to isolate events that occur in the TPC and are independent of the neutrino beam, such as SuperNovae, burst neutrinos and proton decay signatures that will be the subject of future study in large LAr detectors, like LBNE, if they are sited underground. These triggers can also be used to reduce cosmic muon background-induced events, which is of general interest for surface-based LAr TPCs. [Preview Abstract] |
Tuesday, April 16, 2013 1:54PM - 2:06PM |
Y10.00003: MicroBooNE Electronics David Kaleko MicroBooNE is a neutrino experiment under construction at Fermi National Lab. It employs a 10m$\times$2.6m$\times$(2.5m drift length) 86 ton liquid argon time projection chamber (TPC) active volume to record ionization signals from particles produced in neutrino interactions, and uses scintillation light detected by a PMT array to provide precise interaction timing information. The MicroBooNE readout electronics system includes both TPC and PMT readout electronics which digitize neutrino interaction signals at 2MHz and 64MHz, respectively. The TPC electronics readout system processes ionization signals from the three wire planes to two readout streams: one for triggered neutrino events, and a second one for continuous readout. The PMT readout system generates the trigger. This talk will describe the MicroBooNE readout system, its physics requirements, and specifications. Various tests which have been performed to exercise the data flow and integration with DAQ system, including data volume and integrity tests, will be described. [Preview Abstract] |
Tuesday, April 16, 2013 2:06PM - 2:18PM |
Y10.00004: Calibrating the MicroBooNE Photomultiplier Tube (PMT) Array with Michel Electrons from Cosmic Ray Muons Amy Greene MicroBooNE is a neutrino experiment at Fermilab designed to investigate the 3$\sigma$ low-energy electron candidate events measured by the MiniBooNE experiment. Neutrinos from the Booster Neutrino Beam are detected by a 89-ton liquid argon time projection chamber, which is expected to start taking data in 2014. MicroBooNE measures both the ionization electrons and scintillation light produced by neutrino interactions in the liquid argon. The scintillation light is collected by an array of 30 PMTs located at one side of the detector. This array can be calibrated using Michel electrons from stopping cosmic ray muons, by fitting the measured PMT response with the theoretical expectation. I will report on the progress of the PMT calibration software that has been developed using the MicroBooNE Monte Carlo. [Preview Abstract] |
Tuesday, April 16, 2013 2:18PM - 2:30PM |
Y10.00005: The ArgoNeuT Experiment at Fermilab Saima Farooq ArgoNeuT, a 175 liter Liquid Argon Time Projection Chamber (LArTPC), exposed to NUMI beamline at Fermilab (FNAL), has recently collected thousands of neutrino and anti-neutrino events between 0.1 and 10 GeV. ArgoNeuT is the first LArTPC exposed to a low energy neutrino beam, first ever in the US in neutrino beam and the second LArTPC exposed to a neutrino beam ever. The project is part of the LArTPC development program in the US and has helped initiate the development of simulation and reconstruction tools for LArTPCs. Among the detector technology and its operation, this talk includes the software development and implementation along with the completed and ongoing analyses on ArgoNeuT data. [Preview Abstract] |
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