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Search for neutral MSSM Higgs bosons decaying into a pair of bottom quarks

Title
Search for neutral MSSM Higgs bosons decaying into a pair of bottom quarks
Author
김태정
Keywords
Supersymmetry; Hadron-Hadron Scattering; Beyond Standard Model; Higgs physics
Issue Date
2015-11
Publisher
SPRINGER
Citation
JOURNAL OF HIGH ENERGY PHYSICS, NO 11, Page. 1-43, Article Number: 071
Abstract
A search for neutral Higgs bosons decaying into a b (b) over bar quark pair and produced in association with at least one additional b quark is presented. This signature is sensitive to the Higgs sector of the minimal supersymmetric standard model (MSSM) with large values of the parameter tan beta. The analysis is based on data from proton-proton collisions at a center-of-mass energy of 8 TeV collected with the CMS detector at the LHC, corresponding to an integrated luminosity of 19.7 fb(-1). The results are combined with a previous analysis based on 7 TeV data. No signal is observed. Stringent upper limits on the cross section times branching fraction are derived for Higgs bosons with masses up to 900 GeV, and the results are interpreted within different MSSM benchmark scenarios, m(h)(max), m(h)(mod+), m(h)(mod-), light-stau and light-stop. Observed 95% confidence level upper limits on tan beta, ranging from 14 to 50, are obtained in the m(h)(mod+) benchmark scenario.
URI
https://link.springer.com/article/10.1007%2FJHEP11%282015%29071http://hdl.handle.net/20.500.11754/28896
ISSN
1029-8479
DOI
10.1007/JHEP11(2015)071
Appears in Collections:
COLLEGE OF NATURAL SCIENCES[S](자연과학대학) > PHYSICS(물리학과) > Articles
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