CMS iRPC clustering algorithm and hit reconstruction

Document Type

Article

Publication Date

11-2025

Abstract

One of the upgrades of the CMS RPC system is the installation of new chambers – the improved Resistive Plate Chambers – with a new readout technology, achieving a space resolution along the strip of about 2 cm, enabling the inclusion of the RPC hit in the CMS muon reconstruction. The main characteristic of the improved RPC is the two side strip readout which makes a new clusterization algorithm necessary. The algorithm was developed during the test beams at GIF++ and its implementation in CMS Software is under development. In this work we present the main idea of the algorithm, the final hit reconstruction in the chamber, and the results obtained in the test beams.

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