The CMS Data Acquisition - Architectures for the Phase-2 Upgrade

J-M Andre,U Behrens,J Branson,P Brummer,O Chaze,S Cittolin,C Contescu,B G Craigs,G-L Darlea,C Deldicque,Z Demiragli,M Dobson,N Doualot,S Erhan, J F Fulcher,D Gigi,M Gładki,F Glege, G Gomez-Ceballos,J Hegeman,A Holzner, M Janulis,R Jimenez-Estupiñán,L Masetti, F Meijers,E Meschi,R K Mommsen,S Morovic,V O’Dell,L Orsini,C Paus,P Petrova,M Pieri,A Racz,T Reis,H Sakulin,C Schwick,D Simelevicius,P Zejdl

Journal of physics Conference series（2017）

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摘要

The upgraded High Luminosity LHC, after the third Long Shutdown (LS3), will provide an instantaneous luminosity of 7.5 × 1034 cm−2s−1 (levelled), at the price of extreme pileup of up to 200 interactions per crossing. In LS3, the CMS Detector will also undergo a major upgrade to prepare for the phase-2 of the LHC physics program, starting around 2025. The upgraded detector will be read out at an unprecedented data rate of up to 50 Tb/s and an event rate of 750 kHz. Complete events will be analysed by software algorithms running on standard processing nodes, and selected events will be stored permanently at a rate of up to 10 kHz for offline processing and analysis.

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