Speaker
Description
The KM3NeT research infrastructure in the Mediterranean is a multi-purpose cubic-kilometer neutrino observatory consisting of two detectors optimized to study cosmic and atmospheric neutrinos between GeV to PeV energies. Additionally, KM3NeT multi-photomultiplier optical modules allow the detection of nearby MeV interaction products by selecting nanosecond coincidences within the photomultipliers of the same module. Distribution of the number of photomultipliers forming a coincidence (multiplicity) for the whole supernova emission behaves as a proxy of the average neutrino energy. An optimised coincidence selection allows the KM3NeT detectors to be sensitive to Galactic supernovae and beyond. The large KM3NeT effective volume allows a high number of detected events for a core collapse supernovae explosion and the measurement of the neutrino light curve properties, such as the light curve start time and the presence of the standing accretion shock instability oscillations. Sub-millisecond time synchronization between KM3NeT detectors allows common observation. Such a scheme can be also a viable solution to synchronize the KM3NeT telescopes with other detectors aiming to observe neutrino emission from core collapse supernovae through the SNEWS network.
Keywords
supernova, neutrinos
| Subcategory | Experimental Methods & Instrumentation |
|---|---|
| Collaboration | KM3NeT |
