Undergraduate Honors Theses

Thesis Defended

Spring 2016

Document Type

Thesis

Type of Thesis

Departmental Honors

Department

Physics

First Advisor

Professor Stephen Wagner

Second Advisor

Professor John Cumalat

Third Advisor

Professor Robert Parson

Abstract

The efficiency behavior of two polycrystalline chemical vapor deposition diamond sensors was examined and compared on different types of CMS readout chips (ROCs), to investigate the degree to which the maximum efficiency is limited by the operational threshold of the ROC. It was confirmed that by having the diamonds on lower threshold ROCs their efficiencies could be dramatically improved. The diamond sensors reached maximum efficiencies of over ninety percent: LC750 reached an efficiency of 0.949 and LC500 reached an efficiency of 0.926. While neither diamond displayed one hundred percent efficiency, the evidence suggests that continuing to lower the operational threshold of the CMS ROCs will further increase the efficiency.

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Physics Commons

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