Search for Two Higgs Bosons in Final States Containing Two Photons and Two Bottom Quarks
Title | Search for Two Higgs Bosons in Final States Containing Two Photons and Two Bottom Quarks PDF eBook |
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Release | 2016 |
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A search is presented for the production of two Higgs bosons in final states containing two photons and two bottom quarks. Both resonant and nonresonant hypotheses are investigated. The analyzed data correspond to an integrated luminosity of 19.7 inverse femtobarns of proton-proton collisions at sqrt(s) = 8 TeV collected with the CMS detector. Good agreement is observed between data and predictions of the standard model (SM). Upper limits are set at 95% confidence level on the production cross section of new particles and compared to the prediction for the existence of a warped extra dimension. When the decay to two Higgs bosons is kinematically allowed, assuming a mass scale LambdaR = 1 TeV for the model, the data exclude a radion scalar at masses below 980 GeV. The first Kaluza-Klein excitation mode of the graviton in Randall-Sundrum models is excluded for masses between 325 and 450 GeV. Limits set on nonresonant production constrain the parameter space for anomalous Higgs boson couplings.
Search for Two Higgs Bosons in Final States Containing Two Photons and Two Bottom Quarks in Proton-proton Collisions at 8 TeV
Title | Search for Two Higgs Bosons in Final States Containing Two Photons and Two Bottom Quarks in Proton-proton Collisions at 8 TeV PDF eBook |
Author | CMS Collaboration |
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Release | 2016 |
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Search for Nonresonant Higgs Boson Pair Production in Final States with Two Bottom Quarks and Two Photons in Proton-proton Collisions at √s
Title | Search for Nonresonant Higgs Boson Pair Production in Final States with Two Bottom Quarks and Two Photons in Proton-proton Collisions at √s PDF eBook |
Author | Albert M. Sirunyan |
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Release | 2020 |
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Pair Production of Higgs Bosons in the Final State with Bottom Quarks and Τ Leptons in the ATLAS Experiment
Title | Pair Production of Higgs Bosons in the Final State with Bottom Quarks and Τ Leptons in the ATLAS Experiment PDF eBook |
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Release | 2020 |
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ISBN | 9789151309996 |
Search for Higgs Boson Pair Production in the bb̅ τ+ τ- Decay Channel
Title | Search for Higgs Boson Pair Production in the bb̅ τ+ τ- Decay Channel PDF eBook |
Author | Luca Cadamuro |
Publisher | Springer |
Pages | 283 |
Release | 2018-12-06 |
Genre | Science |
ISBN | 3030040550 |
This thesis presents innovative contributions to the CMS experiment in the new trigger system for the restart of the LHC collisions in Run II, as well as original analysis methods and important results that led to official publications of the Collaboration. The author's novel reconstruction algorithms, deployed on the Field-Programmable Gate Arrays of the new CMS trigger architecture, have brought a gain of over a factor 2 in efficiency for the identification of tau leptons, with a very significant impact on important H boson measurements, such as its decays to tau lepton pairs and the search for H boson pair production. He also describes a novel analysis of HH → bb tautau, a high priority physics topic in a difficult channel. The original strategy, optimisation of event categories, and the control of the background have made the result one of the most sensitive concerning the self-coupling of the Higgs boson among all possible channels at the LHC.
Search for Higgs Boson Pair Production in the Two Bottom Quarks Plus Two Photons Final State in Pp Collisions at √s
Title | Search for Higgs Boson Pair Production in the Two Bottom Quarks Plus Two Photons Final State in Pp Collisions at √s PDF eBook |
Author | Iván Sayago Galván |
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Pages | 0 |
Release | 2022 |
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Search for Higgs Boson Pair Production in the Two Bottom Quarks Plus Two Photons Final State in Pp Collisions at [square Root)s
Title | Search for Higgs Boson Pair Production in the Two Bottom Quarks Plus Two Photons Final State in Pp Collisions at [square Root)s PDF eBook |
Author | [Study Group] ATLAS Collaboration CERN |
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Pages | 0 |
Release | 2022 |
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