Search for a Low-mass Pseudoscalar Higgs Boson Produced in Association with a $b\bar{b}$ Pair in Pp Collisions at {u221A}s

Search for a Low-mass Pseudoscalar Higgs Boson Produced in Association with a $b\bar{b}$ Pair in Pp Collisions at {u221A}s
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Total Pages : 25
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ISBN-10 : OCLC:1066376380
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Book Synopsis Search for a Low-mass Pseudoscalar Higgs Boson Produced in Association with a $b\bar{b}$ Pair in Pp Collisions at {u221A}s by :

Download or read book Search for a Low-mass Pseudoscalar Higgs Boson Produced in Association with a $b\bar{b}$ Pair in Pp Collisions at {u221A}s written by and published by . This book was released on 2016 with total page 25 pages. Available in PDF, EPUB and Kindle. Book excerpt: A search is reported for a light pseudoscalar Higgs boson decaying to a pair of ? leptons, produced in association with a $b\bar{b}$ pair, in the context of two-Higgs-doublet models. The results are based on pp collision data at a centre-of-mass energy of 8 TeV collected by the CMS experiment at the LHC and corresponding to an integrated luminosity of 19.7 fb-1. Pseudoscalar boson masses between 25 and 80 GeV are probed. There was no evidence for a pseudoscalar boson found and upper limits were set on the production cross section times branching fraction to t pairs between 7 and 39 pb at the 95% confidence level. This search excludes a pseudoscalar Higgs boson with mass below 80 GeV, in Type II two-Higgs-doublet models with a negative coupling of standard model-like Higgs boson to down-type fermions.


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