Liquid Argon scintillation light quenching due to Nitrogen impurities : measurements performed for the MicroBooNE vertical slice test
Author(s)Chiu, Christie Shinglei
Massachusetts Institute of Technology. Department of Physics.
Janet M. Conrad.
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The neutrino experiment MicroBooNE is currently under construction. To expedite the physics output of MicroBooNE, a smaller version of its optical detection system has been implemented. To demonstrate full operability of this prototype, two physics measurements were performed. The first examines the number of scintillation light components, for although theory explains two components, other groups have seen evidence for a third. The second measures late light quenching as a function of nitrogen gas impurity concentration in the liquid argon. We nd marginal evidence for a third component and further steps are identified to improve upon this study. Our late light quenching measurement also agrees with previously published results in the literature. These two measurements are useful not only from a detector development standpoint, but also for detector simulations.
Thesis (S.B.)--Massachusetts Institute of Technology, Dept. of Physics, 2013.This electronic version was submitted by the student author. The certified thesis is available in the Institute Archives and Special Collections.Cataloged from student-submitted PDF version of thesis.Includes bibliographical references.
DepartmentMassachusetts Institute of Technology. Department of Physics.
Massachusetts Institute of Technology