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The LHCb Experiment is designed for precision measurements in flavour physics at the LHC. It physics programme has been extended over time and now covers a broad range topics beyond its original aims of measuring CP violation and rare decays. The Vertex Locator (VELO) is surrounding the interaction region and reconstructs the primary interaction vertices and the decay vertices of long-lived particles, making it crucial both for identifying signal candidates and for performing time-dependent measurements. I will give a brief introduction to LHCb and the role that the VELO plays in its physics programme and then describe the design of the current VELO detector giving some performance parameters. I will continue with describing the design and status of the upgraded VELO detector, that will be installed in 2020 and operate at five times the current luminosity with a completely new trigger strategy. Finally I will discuss the plans for future upgrades of the detector, enabling an increase of luminosity of another 5-10 with an approximate installation date of 2030.
About the speaker:
Dr. Lars Eklund is a full professor at the University of Glasgow and is currently a visiting scientist at UCAS invited through the CAS PIFI scheme. He did his Ph.D. at the University of Uppsala working on the design and qualifying the radiation hardness of the ATLAS silicon tracker. He joined the LHCb collaboration as a CERN Fellow and has worked on the design, commissioning and operation of the current vertex detector (VErtex LOcator, VELO) and on the design and construction of the VELO upgrade. He was the project leader of the LHCb VELO detector from 2012 to 2014. His particle physics interests in LHCb are mainly in charmless B decays where he has performed lifetime and CP violation measurements and searches for rare hadronic decays, and in searches for doubly-charmed baryons.
Prof. Lars Eklund is a panel member of the Particle Physics Advisory Panel (PPAP) of UK from 2015 to 2018, a member of the Projects Peer Review Panel (PPRP) of UK from 2016 to 2017, and now is the deputy chair of the Projects Peer Review Panel (PPRP) of UK since 2018.
