LHCb Silicon Development Position with Manchester
The LHCb VELO Upgrade I is a hybrid pixel vertex detector based on the VELOPix ASIC, a development from the Medipix/Timepix family, and uses CO2 cooling in a microchannel substrate. The sensors will be operated in vacuum and only 5mm from the LHC beam. The VELO Upgrade I starts operation in 2021.