PoS - Proceedings of Science
Volume 397 - The Ninth Annual Conference on Large Hadron Collider Physics (LHCP2021) - Poster Session
The LHCb Muon Detector at Upgrade II
F. Debernardis*  on behalf of the LHCb collaboration
Full text: pdf
Pre-published on: October 20, 2021
Published on: November 17, 2021
The LHCb experiment is a b-physics dedicated experiment at the LHC collider. It has a wide physics program, covering different fields of interest: among others, precise measurements of the CKM matrix elements and the search for lepton flavour violation and beyond Standard Model physics. The LHCb detector has successfully performed during the Run 1 and Run 2 of the LHC, leading to important contributions in the field of flavour physics as well as physics in the
forward region. Now, it is being upgraded in a first step - Upgrade I - to run at a luminosity of 2x10^(33) cm^(-2)s^(-1). An Upgrade II phase has been proposed, aiming at a full exploitation of the flavour physics potential of the High Luminosity LHC operational period. LHCb Upgrade II will run at instantaneous luminosities of up to 2x10^(34) cm^(-2)s^(-1) and accumulate a data sample corresponding to a minimum of 300 fb^(-1). New design options for the muon detector at Upgrade II are under study, in order to deal with the increase in luminosity and readout rate, while preserving the stable operation of the detector and its highly efficient detection capability. Due to the high variability of the expected particle rates, ranging from several kHz/cm^2 in the external regions up to several MHz/cm2 in the inner ones, different sub-detector technologies that could replace or simply complement the old ones are under investigation, with the aim to choose the best option in terms of granularity, radiation hardness and effective spark quenching up to integrated charges of O(C/cm^2). An overview of the state of the art of the muon detector design for the LHCb Upgrade II will be here presented.
DOI: https://doi.org/10.22323/1.397.0192
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