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New L3 Muon Code: Design

 

Aim

This page aims to describe the general code design layout for the new L3 Muon Trigger code

 

Overview

The code is focused around 4 main steps: seeding, trajectory building, matching and fitting to the stand alone muon. The code will focus around two types of seeding: Outside-In (OI) and Inside-out (IO). The aim of the two types of seeding should be to effictively find both prompt and displaced muons, whilst rejecting fake tracks especially at high Pile Up (PU) conditions.

 

The OI seeding will be state based in order to quickly identify the majority of muon events efficiently. The IO seeding will be based hit which will be slower than the OI-state based, but will catch those muons which we not found in the OI case. --> Think about if IOHit was sufficient at finding the displaced tracks: as this type of seeding was more sensitive to the generated distance from the beamspot was usually out.

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