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Title: Sterile Neutrino Search in the NOvA Far Detector

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 document, We 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 techniques; and including possible oscillation due to sterile neutrinos in the ND . This improvements enable us to do a simultaneous ND-FD shape fit of the NC energy spectrum covering a wider sterile mass range than previous analyses.

Authors:
 [1]; ORCiD logo [2];  [2]; ORCiD logo [3];  [4];  [2]
  1. Cochin U.
  2. Cincinnati U.
  3. Indiana U.
  4. Fermilab
Publication Date:
Research Org.:
Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States)
Sponsoring Org.:
USDOE Office of Science (SC), High Energy Physics (HEP) (SC-25)
OSTI Identifier:
1413737
Report Number(s):
arXiv:1710.01280; FERMILAB-CONF-17-516-ND
1628413
DOE Contract Number:
AC02-07CH11359
Resource Type:
Conference
Country of Publication:
United States
Language:
English
Subject:
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS

Citation Formats

Edayath, Sijith, Aurisano, Adam, Sousa, Alexandre, Davies, Gavin, Suter, Louise, and Yang, Shaokai. Sterile Neutrino Search in the NOvA Far Detector. United States: N. p., 2017. Web.
Edayath, Sijith, Aurisano, Adam, Sousa, Alexandre, Davies, Gavin, Suter, Louise, & Yang, Shaokai. Sterile Neutrino Search in the NOvA Far Detector. United States.
Edayath, Sijith, Aurisano, Adam, Sousa, Alexandre, Davies, Gavin, Suter, Louise, and Yang, Shaokai. 2017. "Sterile Neutrino Search in the NOvA Far Detector". United States. doi:. https://www.osti.gov/servlets/purl/1413737.
@article{osti_1413737,
title = {Sterile Neutrino Search in the NOvA Far Detector},
author = {Edayath, Sijith and Aurisano, Adam and Sousa, Alexandre and Davies, Gavin and Suter, Louise and Yang, Shaokai},
abstractNote = {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 document, We 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 techniques; and including possible oscillation due to sterile neutrinos in the ND . This improvements enable us to do a simultaneous ND-FD shape fit of the NC energy spectrum covering a wider sterile mass range than previous analyses.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = 2017,
month =
}

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