Search for Higgs boson pair production in the γγ bb final state in pp collisions at √s = 13 TeV
A search is presented for the production of a pair of Higgs bosons, where one decays into two photons and the other one into a bottom quark–antiquark pair. The analysis is performed using proton–proton collision data at √s = 13 TeV recorded in 2016 by the CMS detector at the LHC, corresponding to...
| Main Authors: | , , , , , |
|---|---|
| Format: | Article |
| Language: | English English English |
| Published: |
Elsevier B.V.
2019
|
| Subjects: | |
| Online Access: | http://irep.iium.edu.my/71627/ http://irep.iium.edu.my/71627/ http://irep.iium.edu.my/71627/ http://irep.iium.edu.my/71627/1/71627_Search%20for%20Higg%20sboson%20pair%20production%20in%20the%20%CE%B3%CE%B3bb_article.pdf http://irep.iium.edu.my/71627/2/71627_Search%20for%20Higg%20sboson%20pair%20production%20in%20the%20%CE%B3%CE%B3bb_wos.pdf http://irep.iium.edu.my/71627/3/71627_Search%20for%20Higg%20sboson%20pair%20production%20in%20the%20%CE%B3%CE%B3bb_scopus_new_1.pdf |
| Summary: | A search is presented for the production of a pair of Higgs bosons, where one decays into two photons
and the other one into a bottom quark–antiquark pair. The analysis is performed using proton–proton
collision data at √s = 13 TeV recorded in 2016 by the CMS detector at the LHC, corresponding to an
integrated luminosity of 35.9 fb−1. The results are in agreement with standard model (SM) predictions.
In a search for resonant production, upper limits are set on the cross section for new spin-0 or spin-2
particles. For the SM-like nonresonant production hypothesis, the data exclude a product of cross section
and branching fraction larger than 2.0 fb at 95% confidence level (CL), corresponding to about 24 times
the SM prediction. Values of the effective Higgs boson self-coupling κλ are constrained to be within the
range −11 < κλ < 17 at 95% CL, assuming all other Higgs boson couplings are at their SM value. The
constraints on κλ are the most restrictive to date. |
|---|