NOνA (E929)
NuMI Off-Axis νe Appearance Experiment

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NOVA Document 26151-v3

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CERN Seminar

Document #:
NOVA-doc-26151-v3
Document type:
talk
Submitted by:
Alexander Himmel
Updated by:
Maury Goodman
Document Created:
24 Jan 2018, 12:19
Contents Revised:
29 Jan 2018, 16:43
Metadata Revised:
14 Feb 2018, 14:34
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  • Public document
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Abstract:
Neutrinos oscillate among flavors as they travel because a neutrino of a particular flavor is also a superposition of multiple neutrinos with slightly different masses. The interferometric nature of oscillations allows these tiny mass differences to be measured, along with the parameters of the PMNS matrix which governs the mixing. However, since neutrinos only interact weakly, a powerful neutrino source and massive detectors are required to measure them.

In this talk I will show recently updated results from NOvA, a long-baseline neutrino oscillation experiment at Fermilab with two functionally identical scintillator detectors. I will present measurements of muon neutrino disappearance and electron neutrino appearance, and what constraints those measurements put on the remaining open questions in neutrino oscillations: Is the neutrino mass hierarchy "normal" or "inverted?" Do neutrino oscillations violate CP symmetry? Is the mixing in the atmospheric sector maximal?

The recent update includes 50% more data than previous results as well as simulation and analysis improvements.

Topics:
Notes and Changes:
Final version
Associated with Events:
held on 26 Jan 2018 in https://fnal.zoom.us/j/361999756
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