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The Study of The Standard Model Electroweak Precision Physics at Future Electron-Positron Colliders

Chen, Lisong (2022) The Study of The Standard Model Electroweak Precision Physics at Future Electron-Positron Colliders. Doctoral Dissertation, University of Pittsburgh. (Unpublished)

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Future electron-positron colliders, such as the CEPC, FCC-ee, and ILC, usher in a new precision frontier where the electroweak (EW) sector of the Standard Model (SM) of particle
physics can be scrutinized unprecedentedly, thereby unraveling the potential new physics beyond the Standard Model. For this purpose, one needs a deeper understanding of the SM, which is led by calculating radiative corrections to various well-defined observables, namely the electroweak precision observables (EWPOs) in the EW sector. However, to compare the
EWPOs predicted by the theory with what was measured in experiments, other ingredients contributing to the relevant cross-section, such as the initial and final-state QED and QCD
radiation effects, background contributions, and acceptance of the detector, also need to be taken into account. This thesis will first report the recently accomplished three-loop EW corrections to some important EWPOs. Secondly, a new software package GRIFFIN (Gaugeinvariant Resonance In Four-Fermion Interactions), aiming to study the gauge resonance, such as the Z-boson resonance, up to arbitrary higher order, in a manifestly gauge-invariant way will be introduced.


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Item Type: University of Pittsburgh ETD
Status: Unpublished
CreatorsEmailPitt UsernameORCID
Chen, Lisonglic114@pitt.edulic114
ETD Committee:
TitleMemberEmail AddressPitt UsernameORCID
Committee ChairFreitas, Ayresafreitas@pitt.eduafreitas
Committee MemberBoudreau, Josephboudreau@pitt.eduboudreau
Committee MemberHan, Taothan@pitt.eduthan
Committee MemberKosowsky, ArthurARTHURK@pitt.eduarthurk
Committee MemberWackeroth,
Date: 30 September 2022
Date Type: Publication
Defense Date: 5 May 2022
Approval Date: 30 September 2022
Submission Date: 21 August 2022
Access Restriction: No restriction; Release the ETD for access worldwide immediately.
Number of Pages: 116
Institution: University of Pittsburgh
Schools and Programs: Dietrich School of Arts and Sciences > Physics
Degree: PhD - Doctor of Philosophy
Thesis Type: Doctoral Dissertation
Refereed: Yes
Uncontrolled Keywords: collider phenomenology, theoretical particle physics, the Standard Model, precision test
Date Deposited: 30 Sep 2022 17:27
Last Modified: 30 Sep 2022 17:27


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