Measurements of WH and ZH production in the H→b anti-b decay channel in pp collisions at 13 TeV with the ATLAS detector Dear colleagues! Please find details related to the institutional seminar on results obtained by the JINR team at the ATLAS at the LHC on 17 March at 11:00. Due to the measures imposed by the JINR Directorate for preventing the spread of the coronavirus COVID-19 infection the seminar will be held via Zoom only. Speaker: F. Ahmadov Title: «Measurements of WH and ZH production in the H→b anti-b decay channel in pp collisions at 13 TeV with the ATLAS detector» Abstract:: Measurements of the Standard Model Higgs boson decaying into a b anti-b pair and produced in association with a W or Z boson decaying into leptons, using proton-proton collision data collected between 2015 and 2018 by the ATLAS detector, will be presented. The measurements use collisions produced by the Large Hadron Collider at a centre-of-mass energy of √s=13 TeV, corresponding to an integrated luminosity of 139 1/fb. The production of a Higgs boson in association with a W or Z boson is established with observed (expected) significances of 4.0 (4.1) and 5.3 (5.1) standard deviations, respectively. Cross-sections of associated production of a Higgs boson decaying into bottom quark pairs with an electroweak gauge boson, W or Z, decaying into leptons are measured as a function of the gauge boson transverse momentum in kinematic fiducial volumes. The cross-section measurements are all consistent with the Standard Model expectations, and the total uncertainties vary from 30% in the high gauge boson transverse momentum regions to 85% in the low regions. Limits are subsequently set on the parameters of an effective Lagrangian sensitive to modifications of the WH and ZH processes as well as the Higgs boson decay into b anti-b. Link to the publication: arXiv:2007.02873 Connect to Zoom meeting Meeting ID: 679 2224 7581 Code: 840246
