@@ -14,6 +14,7 @@ A collection of 115 strings forms a single KM3NeT building block. The modular de
The ARCA (Astroparticle Research with Cosmics in the Abyss) detector is being installed at the KM3NeT-It site, 80km offshore the Sicilian coast offshore to Capo Passero (Italy) at a sea bottom depth of about 3450m. About 1 km^3 of seawater will be instrumented with ∼130,000PMTs. The geometry of ARCA is optimised to maximise its detection efficiency in the neutrino energy range 1TeV–10PeV.
The ORCA (Oscillation Research with Cosmics in the Abyss) detector is being installed at the KM3NeT-Fr site, 40km offshore Toulon (France) at a sea bottom depth of about 2450m. A volume of about 8 Mton is instrumented with ∼65,000PMTs. The geometry of ORCA is optimised for measuring atmospheric neutrinos in the few-GeV range.
Technical details on the detector design are given in [1].
**Data Acquisition**
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@@ -37,6 +38,10 @@ During operation the continuous data stream sent bt the detector is split in run
To assess the detector efficiency and systematics, dedicated Monte Carlo simulations are processed. Due to the changing data-taking conditions of the detector in the deep-sea environment, time-dependent simulation data-sets are required. These are implemented in a run-by-run simulation strategy, where runs are sufficiently small time intervals of data taking with stable conditions. The detector response is simulated individually for these periods. The simulation data are generated at the raw-data level and are subjected to the same filter and reconstruction processing as the real data. Since large statistics are required for precise analyses, the simulation data will significantly exceed the real data in volume.
(Mainly based on LoI)
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[1] [Adrian-Martnez S et al (KM3NeT Collaboration) 2016 J. Phys. G 43 084001](https://iopscience.iop.org/article/10.1088/0954-3899/43/8/084001)
