BEST sensitivity to O(1) eV sterile neutrino - INSPIRE

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BEST sensitivity to O(1) eV sterile neutrino

Vladislav Barinov
(
- Moscow, INR and
- Moscow State U.
)
,
Vladimir Gavrin
(
- Moscow, INR
)
,
Dmitry Gorbunov
(
- Moscow, INR and
- Moscow, MIPT
)
,
Tatiana Ibragimova
(
- Moscow, INR
)

Feb 11, 2016

6 pages

Published in:

Phys.Rev.D 93 (2016) 7, 073002

Published: Apr 8, 2016

e-Print:

1602.03826 [hep-ph]

DOI:

10.1103/PhysRevD.93.073002

Report number:

INR-TH-2016-004

View in:

ADS Abstract Service

reference search24 citations

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Abstract: (APS)

Numerous anomalous results in neutrino oscillation experiments can be attributed to the interference of an ∼1 eV sterile neutrino. The Baksan Experiment on Sterile Transitions (BEST), specially designed to fully explore the Gallium anomaly, starts next year. We investigate the sensitivity of BEST in search of a sterile neutrino mixed with an electron neutrino. Then, performing the combined analysis of all the Gallium experiments (SAGE, GALLEX, BEST), we find the region in the model parameter space (sterile neutrino mass and mixing angle) which will be excluded if BEST agrees with no sterile neutrino hypothesis. For the opposite case, if BEST observes the signal as it follows from the sterile neutrino explanation of the Gallium (SAGE and GALLEX) anomaly, we show how BEST will improve upon the present estimates of the model parameters.

Note:

6 pages,4 figures

neutrino: oscillation
neutrino: sterile: mass
neutrino: mass difference
neutrino: mixing
neutrino: mixing angle
data analysis method
numerical calculations
statistical analysis
interpretation of experiments
Baksan

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Figures(6)

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