LHC, the Higgs particle and physics beyond the Standard Models - Simulation of an additional scalar particle a's decay

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dc.contributor.authorDjärv, Tor
dc.contributor.authorOlsson, Andreas
dc.contributor.authorSalér-Ramberg, Justin
dc.contributor.departmentChalmers tekniska högskola / Institutionen för fundamental fysiksv
dc.contributor.departmentChalmers University of Technology / Department of Fundamental Physicsen
dc.date.accessioned2019-07-03T13:23:53Z
dc.date.available2019-07-03T13:23:53Z
dc.date.issued2014
dc.description.abstractThis thesis explores a possible addition of a scalar boson to the Standard Model. Apart from a quadratic coupling to the Higgs boson, it couples to the photon and the gluon. To fully be able to explore this new boson, it is necessary to get acquainted with some of the vast background theory in form of quantum field theory. This involves the most fundamental ideas of relativistic quantum mechanics, the Lagrangian formulation, cross section, decay rate, calculations of scatteringamplitude, Feynman diagrams, the Feynman rules and the Higgs mechanism. To analyse the particle, it was necessary to use computer aid in form of FeynRules, a package to Mathematica, for retrieve the Feynman rules for the particle, and MadGraph 5 for numerical calculations of decay rate and cross section. This was used to find limits to coupling constants with in the Lagrangian to concur with experimental findings.
dc.identifier.urihttps://hdl.handle.net/20.500.12380/199189
dc.language.isoeng
dc.setspec.uppsokPhysicsChemistryMaths
dc.subjectGrundläggande vetenskaper
dc.subjectFysik
dc.subjectSubatomär fysik
dc.subjectBasic Sciences
dc.subjectPhysical Sciences
dc.subjectSubatomic Physics
dc.titleLHC, the Higgs particle and physics beyond the Standard Models - Simulation of an additional scalar particle a's decay
dc.type.degreeExamensarbete för kandidatexamensv
dc.type.degreeBachelor Thesisen
dc.type.uppsokM2
local.programmeEngineering Physics (300 hp)
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