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Signals of new physics at the LHC and colliders of future generation

Orientador: Prof. Dr. José Kenichi Mizukoshi / Tese (doutorado) - Universidade Federal do ABC, Programa de Pós-Graduação em Física, 2016. / Searches for new physics beyond the Standard Model are important subjects at the current
Run-2 of the Large Hadron Collider (LHC) and next generation colliders. In this context,
we make independent studies of the phenomenology of a new hypothetical heavy Majorana
neutrino (N) and a heavy spin-1 charged vector (W¿) at the LHC and a future 100 TeV very
large hadron collider (VLHC), we also study the potential of the future International Linear
Collider (ILC) to measure the rare h !
Z Higgs decay. Toward this end, the N production
via the W
fusion process is investigated and found it to be larger than the Drell-Yan
production for mN > 1 TeV at the 14 TeV LHC and for mN > 770 GeV at the 100 TeV
VLHC. Then we computed the discovery potential of the these colliders to discover an N
using the same-sign dimuon channel. In the case of the h !
Z Higgs decay we investigated
the Higgsstrahlung production at the 250 GeV ILC, we found that a sensitivity of 58% can
be reached in the inclusive ¿Ê¿Ê
X channel with 3 ab.1, where X denotes the inclusive decay
of the Z boson from the Higgs. Finally, in the case of the W¿, we studied its contribution
to the h !

Higgs decay process and constrained the strength of the W¿W¿h interaction.
Finally, we study the Drell-Yan W¿ production with its decay to the Wh pair at the LHC.

Identiferoai:union.ndltd.org:IBICT/oai:BDTD:103832
Date January 2016
CreatorsNavarro, Roy Daniel Alva
ContributorsMizukoshi, José Kenichi, Gregores, Eduardo de Moraes, Nishi, Celso Chikahiro, Carvalho, Fernando Luiz de Campos, Peres, Orlando Luis Goulart
Source SetsIBICT Brazilian ETDs
LanguageInglês
Detected LanguageEnglish
Typeinfo:eu-repo/semantics/publishedVersion, info:eu-repo/semantics/doctoralThesis
Formatapplication/pdf, 83 f. : il.
Sourcereponame:Repositório Institucional da UFABC, instname:Universidade Federal do ABC, instacron:UFABC
Rightsinfo:eu-repo/semantics/openAccess
Relationhttp://biblioteca.ufabc.edu.br/index.php?codigo_sophia=103832&midiaext=73290, http://biblioteca.ufabc.edu.br/index.php?codigo_sophia=103832&midiaext=73291, Cover: http://biblioteca.ufabc.edu.brphp/capa.php?obra=103832

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