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CMS pixel detector upgrade and top q...

Spannagel, Simon.

CMS pixel detector upgrade and top quark pole mass determination

Record Type:	Electronic resources : Monograph/item
Title/Author:	CMS pixel detector upgrade and top quark pole mass determinationby Simon Spannagel.
Author:	Spannagel, Simon.
Published:	Cham :Springer International Publishing :2017.
Description:	xxvii, 274 p. :ill., digital ;24 cm.
Contained By:	Springer eBooks
Subject:	Quarks.
Online resource:	http://dx.doi.org/10.1007/978-3-319-58880-3
ISBN:	9783319588803$q(electronic bk.)

CMS pixel detector upgrade and top quark pole mass determination
Spannagel, Simon.

CMS pixel detector upgrade and top quark pole mass determination[electronic resource] /by Simon Spannagel. - Cham :Springer International Publishing :2017. - xxvii, 274 p. :ill., digital ;24 cm. - Springer theses,2190-5053. - Springer theses..

This thesis addresses two different topics, both vital for implementing modern high-energy physics experiments: detector development and data analysis. Providing a concise introduction to both the standard model of particle physics and the basic principles of semiconductor tracking detectors, it presents the first measurement of the top quark pole mass from the differential cross-section of tt+J events in the dileptonic tt decay channel. The first part focuses on the development and characterization of silicon pixel detectors. To account for the expected increase in luminosity of the Large Hadron Collider (LHC), the pixel detector of the compact muon solenoid (CMS) experiment is replaced by an upgraded detector with new front-end electronics. It presents comprehensive test beam studies conducted to verify the design and quantify the performance of the new front-end in terms of tracking efficiency and spatial resolution. Furthermore, it proposes a new cluster interpol ation method, which utilizes the third central moment of the cluster charge distribution to improve the position resolution. The second part of the thesis introduces an alternative measurement of the top quark mass from the normalized differential production cross-sections of dileptonic top quark pair events with an additional jet. The energy measurement is 8TeV. Using theoretical predictions at next-to-leading order in perturbative Quantum Chromodynamics (QCD), the top quark pole mass is determined using a template fit method.

ISBN: 9783319588803$q(electronic bk.)

Standard No.: 10.1007/978-3-319-58880-3doiSubjects--Topical Terms:

250453
Quarks.

LC Class. No.: QC793.5.Q252

Dewey Class. No.: 539.72167

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