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NOVA Document 21740-v2

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DPF 2017- NC sterile analysis poster draft for blessing.

Document #:
NOVA-doc-21740-v2
Document type:
other
Submitted by:
Sijith Edayath
Updated by:
Maury Goodman
Document Created:
20 Jul 2017, 20:35
Contents Revised:
20 Jul 2017, 20:44
DB Info Revised:
07 Aug 2017, 13:56
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Abstract:
The majority of neutrino oscillation experiments have obtained evidence for neutrino oscillations that are compatible with the three-flavor model. Explaining anomalous results from short-baseline experiments, such as LSND and MiniBooNE, in terms of neutrino oscillations requires the existence of sterile neutrinos. The search for sterile neutrino mixing conducted in NOvA uses a long baseline of 810 km between Near Detector (ND) at Fermilab and Far Detector (FD) in Minnesota. The signal for sterile neutrino oscillations is a deficit of neutral-current neutrino interactions at the FD with respect to the ND prediction. In this poster, I will present the analysis improvements that we are implementing for future NC sterile neutrino searches with NOvA. These include: improved modelling of our detector response; the inclusion of NC 2p2h interaction modelling; implementing a better energy reconstruction technique; and including possible oscillation due to sterile neutrinos in the ND. This improvements will enable us to do a simultaneous ND-FD shape fit of the NC energy spectrum covering a wider sterile mass range than previous analyses.
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Notes and Changes:
Minor correction in Heading.
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