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LOCATION:C2/3/4 Ballroom
DTSTART;TZID=America/Chicago:20181114T083000
DTEND;TZID=America/Chicago:20181114T170000
UID:submissions.supercomputing.org_SC18_sess323_post210@linklings.com
SUMMARY:Enabling Neutrino and Antineutrino Appearance Observation Measurem
 ents with HPC Facilities
DESCRIPTION:Norm Buchanan and Steven Calvez (Colorado State University); P
 engfei Ding (Fermi National Accelerator Laboratory); Derek Doyle (Colorado
  State University); Alex Himmel, Burt Holzman, Jim Kowalkowski, and Andrew
  Norman (Fermi National Accelerator Laboratory); Alex Sousa (University of
  Cincinnati); and Marc Paterno, Saba Sehrish, Brandon White, and Christoph
 er Green (Fermi National Accelerator Laboratory)\n\nWhen fitting to data w
 ith low statistics and near physical boundaries, extra measures need to be
  taken to ensure proper statistical coverage. The method NOvA uses is call
 ed the Feldman-Cousins procedure, which entails fitting thousands of indep
 endent pseudoexperiments to generate acceptance intervals that are then us
 ed to correct our fits. The scale required by the Feldman-Cousins procedur
 e makes it extremely computationally intensive. In past analyses, it has t
 aken up to several weeks to complete, bottlenecking our final results. Her
 e, I present recent work by members of the NOvA experiment and the SciDAC4
  collaboration to enable the use of the supercomputing facilities at NERSC
  to process our Feldman-Cousins corrections over 50x faster, allowing us t
 o perform more studies, increase the precision of our fits, and produce re
 sults quickly.\n\nRegistration Category: Tech Program Reg Pass, Exhibits R
 eg Pass\n\n
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