Abstract
Search for new phenomena in final states with two opposite-charge, same-flavor leptons, jets, and missing transverse momentum in pp collisions at s = 13 $$ \sqrt{s}=13 $$ TeV
Highlights
√ proton collisions at s = 13 TeV collected with the CMS detector at the LHC in 2016
In a model with bottom squark pair production and decay chains resulting in a kinematic edge in the dilepton invariant mass distribution, bottom squark masses up to 980–1200 GeV are excluded depending on the mass of the next-to-lightest neutralino
The DY+jets background component is modeled with the sum of an exponential function, which describes the low-mass rise, and a Breit-Wigner function with a mean and width set to the nominal Z boson values [60], which accounts for the Z boson lineshape
Summary
Decays involving an on-shell Z boson are expected to produce an excess of events in which the dilepton invariant mass is compatible with the Z boson mass, referred to as the “on-Z signature”, while decays involving off-shell Z bosons or sleptons are expected to produce a characteristic edge shape in the invariant mass distribution of the dilepton system (m ) [12], denoted as the “edge signature”. This search targets both the on-Z and edge signatures.
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