Processes involving quartic electroweak gauge couplings have become experimentally accessible for the first time in the run-2 dataset of the LHC. In this talk, recent observations of multi-boson production in various channels by the ATLAS experiment are presented, and their measured cross-sections are reported. This includes measurements of Wyy, WZy and WWW production. Moreover, differential...
Recently, the CMS and ATLAS collaborations have announced the results for Higgs decay into a lepton pair and a photon, through subprocess H->Zγ. This semi-leptonic Higgs decay receives loop induced resonant as well as non-resonant contributions. To probe further features coming from these contributions, we argue that the polarization of the final state leptons is also an important...
Higgs boson production in association with a vector boson provides direct access to the Higgs boson's couplings to vector bosons given knowledge of the other branching fractions of the Higgs. The values of these couplings are predicted by measurements of the electroweak coupling strengths and the vacuum expectation value of the Higgs field, and so measurements of associated production provide...
While the usual LRSM is widely studied and well explored, there are alternate possibilities within the left-right models which are not given enough attention. In this talk we shall focus on charged Higgs arising in different left-right models like the LRSM and ALRM, and prospects to identify them at the LHC. With additional quarks and neutral leptons present in ALRM, compared to LRSM, having...
