SND@LHC is a forward experiment measuring neutrinos produced at the LHC. The detector was installed in 2021-2022. The first physics data yielded the first observation of neutrinos produced at a collider.

The detector is a hybrid system based on a $830\,\rm kg$ target with tracking capabilities, followed by a calorimeter and a muon system. Its configuration allows to identify all three neutrino flavours, opening a unique opportunity to probe heavy flavour production in a
region not accessible to ATLAS, CMS and LHCb.

An upgrade is foreseen for Run 4: the new detector will replace the nuclear emulsions embedded in the target with silicon sensors, and use a magnetised HCAL.