Combined analysis of neutrino decoherence at reactor experiments

A bstract Reactor experiments are well suited to probe the possible loss of coherence of neutrino oscillations due to wave-packets separation. We combine data from the short-baseline experiments Daya Bay and the Reactor Experiment for Neutrino Oscillation (RENO) and from the long baseline reactor ex...

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Bibliographic Details
Published in:The journal of high energy physics 2021-06, Vol.2021 (6), p.42-12, Article 42
Main Authors: de Gouvêa, André, De Romeri, Valentina, Ternes, Christoph A.
Format: Article
Language:English
Subjects:
Beyond Standard Model
Classical and Quantum Gravitation
Elementary Particles
Experiments
High energy physics
Neutrino Physics
Neutrinos
Packets (communication)
Parameter robustness
Physics
Physics and Astronomy
Quantum Field Theories
Quantum Field Theory
Quantum Physics
Regular Article - Theoretical Physics
Relativity Theory
String Theory
Wave packets
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Summary:A bstract Reactor experiments are well suited to probe the possible loss of coherence of neutrino oscillations due to wave-packets separation. We combine data from the short-baseline experiments Daya Bay and the Reactor Experiment for Neutrino Oscillation (RENO) and from the long baseline reactor experiment KamLAND to obtain the best current limit on the reactor antineutrino wave-packet width, σ > 2 . 1 × 10 − 4 nm at 90% CL. We also find that the determination of standard oscillation parameters is robust, i.e., it is mostly insensitive to the presence of hypothetical decoherence effects once one combines the results of the different reactor neutrino experiments.
ISSN:1029-8479
1029-8479
DOI:10.1007/JHEP06(2021)042