Relatori
Descrizione
The Jiangmen Underground Neutrino Observatory (JUNO) is a multipurpose observatory currently under construction in China. JUNO's physics reach will span many areas, amongst which precision neutrino oscillation measurements using reactor neutrinos, solar, atmospheric and geoneutrino related measurements.
In order to reduce the backgrounds from the atmospheric neutrino flux, the JUNO detector is located 650 m underground. Even at this depth, decays from cosmogenic isotopes miming the inverse beta decay (IBD) signature, used to identify electron antineutrinos, are expected to appear about as often as the IBDs themselves. To remove this background a dedicated cut around muon tracks passing through the detector is required. The JUNO veto system, composed of the Top Tracker (TT) and of the Water Cherenkov Detector (WCD), was designed with the goal of tracking those muons to make it possible to directly measure their flux and use it in the aforementioned veto strategy to suppress the cosmogenic background contamination.
The TT is made using refurbished plastic scintillator modules of the Target Tracker of OPERA equiped with new electronics. It will cover about 60% of the surface above the WCD. This makes it possible for the TT to precisely track about a third of the muons crossing the detector with a median resolution of about 0.2$^\circ$. While the TT won't be able to track all muons of interest, it will produce a sample of well tracked muons to calibrate the other subdetectors of JUNO and help tune their reconstructions.
This poster will discuss the current status of the JUNO Top Tracker, covering in particular updates made since its usage in OPERA and its performance in JUNO.
| Poster prize | No |
|---|---|
| Given name | João Pedro & Deshan |
| Surname | Athayde Marcondes de André & Sandanayake |
| First affiliation | IPHC Strasbourg/IN2P3/CNRS |
| Institutional email | jpandre@iphc.cnrs.fr |
| Gender | Male |
| Collaboration (if any) | JUNO |
