LHCb Upgrade Plans

The LHCb experiment will operate for about five years at a luminosity of 2×1032 cm−2s−1 and plans are to accumulate a data sample of ∼10 fb−1. Here we present the physics programme and detector design for a future high luminosity phase of the LHCb experiment. An upgraded LHCb experiment would operate at ten times the design luminosity, i.e. at ∼2×1033 cm−2s−1 and aims to collect a data sample of ∼100 fb−1 over five years. This programme would allow the probe of new physics at an unprecedented level. Key measurements include the mixing phase ϕs in and decays with a significant sensitivity to the small Standard Model prediction and a very precise measurement of the CKM angle γ in tree diagram decays. Initial studies of the modified LHCb trigger and detectors are presented. The upgraded LHCb experiment can run with or without an LHC luminosity upgrade.