Speaker
Ms
Shell-may Liao
(University of the Witwatersrand, School of Physics, 1 Jan Smuts Avenue, Braamfontein, Johannesburg, 2000, South Africa”)
Description
The results of a search for new phenomena in events with missing transverse energy (MET) and a Higgs boson decaying to two photons are presented. Data from proton-proton collisions at a centre-of-mass energy of 13 TeV, corresponding to an integrated luminosity of 36.1 fb-1 have been collected with the ATLAS detector at the LHC in 2015 and 2016. The results of this search are interpreted in terms of a model in which a heavy scalar, denoted 'H', decays into the Higgs boson and dark matter candidates (H->h&Chi&Chi). A model formulated based on inconsistencies in the Higgs boson transverse momentum distribution (pT,H) measured by ATLAS and CMS as well as other excesses in the data. Limits were placed on the branching ratio of H->h&Chi&Chi using Run II data and the analysis is performed in several categories based on MET and MET significance and splitting into the same vertex method. The results from this search are discussed.
Level for award<br> (Hons, MSc, <br> PhD, N/A)?
PhD
Would you like to <br> submit a short paper <br> for the Conference <br> Proceedings (Yes / No)?
Yes
Apply to be<br> considered for a student <br> award (Yes / No)?
Yes
Main supervisor (name and email)<br>and his / her institution
Professor Bruce Mellado
Bruce.Mellado.Garcia@cern.ch
University of the Witwatersrand
Primary author
Ms
Shell-may Liao
(University of the Witwatersrand, School of Physics, 1 Jan Smuts Avenue, Braamfontein, Johannesburg, 2000, South Africa”)
Co-authors
Prof.
Bruce Mellado
(University of the Witwatersrand)
Mr
Chuene Mosomane
(University of Witwatersrand)
Deepak Kar
(University of Witwatersrand)
Mr
Kehinde Tomiwa
(University of the Witwatersrand)
Mr
Robert Reed
(University of Witwatersrand)
Mr
Stefan von Buddenbrock
(University of the Witwatersrand)
Mr
Tshidiso Molupe
(University of the Witwatersrand)
Dr
XIFENG RUAN
(WITS)
