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Construction of the Higgs Mechanism and the Lee-Quigg-Thacker-bound
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
2019 (English)Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
Abstract [en]

In this paper the higgs mechanism for the standard model is constructed in steps. First by considering spontaneous breaking of discrete and continuous global gauge invariance. Then spontaneous breaking of local gauge invariance. These results are then used to construct the electroweak part of the standard model through application of the higgs mechanism. Finally, the LQT-upper bound of 1 TeV for the higgs mass is calculated through unitarity constraints.

Abstract [sv]

I denna artikel konstrueras higgsmekanismen i standardmodellen stegvis. Först genom att beakta spontant symmetribrott av diskreta samt kontinuerliga globala gaugeinvarianser. Därefter spontant symmetribrott av lokala gaugeinvarianser. Dessa resultat används sedan för att konstruera den elektrosvaga delen av standardmodellen genom tillämpning av higgsmekanismen. Slutligen beräknas en övre gräns för higgsmassan, den så kallade LQT-gränsen, via unitaritetsbegränsingar.

Place, publisher, year, edition, pages
2019. , p. 26
Series
FYSAST ; FYSKAND1103
Keywords [en]
higgs mechanism, higgs, LQT, LQT-bound, spontaneous symmetry breaking, symmetry breaking, electroweak sector, higgs mass
National Category
Subatomic Physics
Identifiers
URN: urn:nbn:se:uu:diva-388550OAI: oai:DiVA.org:uu-388550DiVA, id: diva2:1333743
Educational program
Bachelor Programme in Physics
Supervisors
Examiners
Available from: 2019-07-02 Created: 2019-07-01 Last updated: 2019-07-02Bibliographically approved

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CiteExportLink to record
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