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Supporting structures in two particle detectors
2001 (English)Independent thesis Advanced level (professional degree), 20 credits / 30 HE creditsStudent thesis
Abstract [en]

To detect particles produced in a collision, the particles must interact in some way with the detector matter. This interaction disturbs the particles and the optimum would be to have complete vacuum in the detectors but with vacuum in the detectors there is nothing that can register the particles. Therefore the amount of material must be minimised within the detectors. The positioning of the detecting elements must often be extremely accurate. The tolerances in stability and position of the detecting elements in modern particle detectors are usually in the order of a few micro meters. These extreme requirements in stiffness and low mass of the structures often leads to well optimised light weight supporting structures. This thesis is a study of the mechanical behaviour of the supporting structures in two types of particle detectors. The first part is a study of the deformation of wheels in the TPC of the HARP project. The second part of the thesis is a static and dynamical study of the barrel support structure in the TRT that is a inner part of the large ATLAS detector which will begin to run in 2005.

Place, publisher, year, edition, pages
Keyword [en]
Technology, CERN, ATLAS, TRT, HARP, TPC, support structure, natural, frequencies, mode shapes, structural dynamics, composites
Keyword [sv]
URN: urn:nbn:se:ltu:diva-54239ISRN: LTU-EX--01/055--SELocal ID: b347fb13-0306-478b-ace3-d5c159dd76adOAI: diva2:1027619
Subject / course
Student thesis, at least 30 credits
Educational program
Mechanical Engineering, master's level
Validerat; 20101217 (root)Available from: 2016-10-04 Created: 2016-10-04Bibliographically approved

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