Search for a Massive Resonance Decaying Into a Higgs Boson and a W Or Z Boson in Hadronic Final States in Proton-proton Collisions at {u221A}s

Search for a Massive Resonance Decaying Into a Higgs Boson and a W Or Z Boson in Hadronic Final States in Proton-proton Collisions at {u221A}s
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Total Pages : 40
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ISBN-10 : OCLC:1066605993
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Book Synopsis Search for a Massive Resonance Decaying Into a Higgs Boson and a W Or Z Boson in Hadronic Final States in Proton-proton Collisions at {u221A}s by :

Download or read book Search for a Massive Resonance Decaying Into a Higgs Boson and a W Or Z Boson in Hadronic Final States in Proton-proton Collisions at {u221A}s written by and published by . This book was released on 2015 with total page 40 pages. Available in PDF, EPUB and Kindle. Book excerpt: A search for a massive resonance decaying into a standard-model-like Higgs boson (H) and a W or Z boson is reported. The analysis is performed on a data sample corresponding to an integrated luminosity of 19.7 fb–1, collected in proton-proton collisions at a centre-of-mass energy of 8 TeV with the CMS detector at the LHC. Signal events, in which the decay products of Higgs, W, or Z bosons at high Lorentz boost are contained within single reconstructed jets, are identified using jet substructure techniques, including the tagging of b hadrons. This is the first search for heavy resonances decaying in HW or HZ resulting in an all-jet final state, as well as the first application of jet substructure techniques to identify H → WW* → 4q decays at high Lorentz boost. Furthermore, no significant signal is observed and limits are set at 95% confidence level on the production cross section of W' and Z' in a model with mass-degenerate charged and neutral spin-1 resonances.


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