Weekly seminars

Discovery prospects of light Higgs at LHC in type-I 2HDM

par Ushoshi Maitra (Tata Institute of Fundamental Research, Mumbei)

Auditorium (Annecy-le-Vieux)



9 chemin de Bellevue 74940 ANNECY LE VIEUX
I will explore the possibility that a Higgs lighter than 125 GeV is still hidden in the context of type-I 2HDM. The light Higgs scenario is consistent with low energy and collider experimental measurements. I will discuss various complementary channels that will allow us to probe the parameter space of such hidden light Higgs scenario at different stages of future run of Large Hadron Collider (LHC). The channels $pp \to W h \to \ell \nu b\bar{b}$ and $pp \to h \to \gamma\gamma$ probe similar parameter space for large $\tan\beta$ and could be observed with about 1000 fb$^-1$ of luminosity. With the similar amount of data, $pp \to t\bar{t}h \to t\bar{t}b\bar{b}$ could be useful in the low $\tan\beta$ region. However, around the fermiophobic limit, such a light Higgs can be looked for even with a few hundreds fb$^-1$ of luminosity in $pp \to W h \to \ell \nu \gamma \gamma$.
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