What is the Electron?

What is the Electron?
Author: Volodimir Simulik
Publisher: Apeiron
Total Pages: 292
Release: 2005
Genre: Science
ISBN:

This book brings together papers by a number of authors. More than ten different models of the electron are presented and more than twenty models are discussed briefly. Thus, the book gives a complete picture of contemporary theoretical thinking (traditional and new) about the physics of the electron.

Heavy Neutral Particle Decays to Tau Pairs

Heavy Neutral Particle Decays to Tau Pairs
Author: Michail Bachtis
Publisher: Springer Science & Business Media
Total Pages: 161
Release: 2013-12-13
Genre: Science
ISBN: 3319032577

The work presented in this thesis spans a wide range of experimental particle physics subjects, starting from level-1 trigger electronics to the final results of the search for Higgs boson decay and to tau lepton pairs. The thesis describes an innovative reconstruction algorithm for tau decays and details how it was instrumental in providing a measurement of Z decay to tau lepton pairs. The reliability of the analysis is fully established by this measurement before the Higgs boson decay to tau lepton pairs is considered. The work described here continues to serve as a model for analysing CMS Higgs to tau leptons measurements.

Scalar Boson Decays to Tau Leptons

Scalar Boson Decays to Tau Leptons
Author: CĂ©cile Caillol
Publisher: Springer
Total Pages: 282
Release: 2017-11-15
Genre: Science
ISBN: 3319706500

This thesis presents a study of the scalar sector in the standard model (SM), as well as various searches for an extended scalar sector in theories beyond the SM (BSM). The first part of the thesis details the search for an SM Higgs boson decaying to taus, and produced by gluon fusion, vector boson fusion, or associated production with a vector boson, leading to evidence for decays of the Higgs boson to taus. In turn, the second part highlights several searches for an extended scalar sector, with scalar boson decays to taus. In all of the analyses presented, at least one scalar boson decays to a pair of taus. The results draw on data collected by the Compact Muon Solenoid (CMS) detector during proton–proton collisions with a center-of-mass energy of 7 or 8 TeV.