Study of misalignment effects in the CMS forward hadron calorimeter

Date

2016

Author

Kılınç, Cemali

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The Compact Muon Selonoid (CMS) is a general purpose detector at the Large Hadron Collider (LHC). It is designed to investigate a wide range of physics, including the search for the Higgs boson and physics beyond the Standard Model. The CMS detector consists of various sub-detector systems, measuring energy, momentum, charge and trajectory of the particles produced by the proton-proton collision in the detector. The Forward Hadron Calorimeter (HF), a sub-system of Hadron Calorimeter (HCAL), identi es and measures the forward jets. It is designed as a rotational symmetric with respect to collision point. This leads total energy deposition to be symmetric in azimuthal direction (φ). Energy response of the readout channels are calibrated by using φ symmetry. However, misalignment of the HF breaks this symmetry. This study, simulation-based, focuses on the variations in the readouts geometry and total energy deposition due to misalignment of the HF. Moreover, the relation between geometry and total energy deposition is also studied.

Subject Keywords

Hadron colliders., Symmetry (Physics).

URI

http://etd.lib.metu.edu.tr/upload/12619706/index.pdf
https://hdl.handle.net/11511/25378

Collections

Graduate School of Natural and Applied Sciences, Thesis