CMS RPC Background -- Studies and Measurements
R. Hadjiiska, A. Samalan, M. Tytgat, N. Zaganidis, G.A. Alves, F., Marujo, F. Torres Da Silva De Araujo, E.M. Da Costa, D. De Jesus Damiao, H., Nogima, A. Santoro, S. Fonseca De Souza, A. Aleksandrov, P. Iaydjiev, M., Rodozov, M. Shopova, G. Sultanov, M. Bonchev, A. Dimitrov

TL;DR
This study uses detailed MC simulations to predict the radiation background in the CMS RPC system for HL-LHC scenarios, focusing on particle rates, dose, and fluence, with ongoing updates to the geometry model.
Contribution
It provides the first detailed MC-based background predictions for the CMS RPC system at HL-LHC, including safety factors and plans for model updates.
Findings
Predicted particle rates, dose, and fluence for HL-LHC scenarios
Background estimates with safety factors of 3
Plans for incorporating complete RPC upgrade geometry
Abstract
The expected radiation background in the CMS RPC system has been studied using the MC prediction with the CMS FLUKA simulation of the detector and the cavern. The MC geometry used in the analysis describes very accurately the present RPC system but still does not include the complete description of the RPC upgrade region with pseudorapidity . Present results will be updated with the final geometry description, once it is available. The radiation background has been studied in terms of expected particle rates, absorbed dose and fluence. Two High Luminosity LHC (HL-LHC) scenarios have been investigated - after collecting and fb. Estimations with safety factor of 3 have been considered, as well.
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Taxonomy
TopicsParticle Detector Development and Performance · Particle physics theoretical and experimental studies · High-Energy Particle Collisions Research
