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The distributions of signal in the invariant mass and in the MVA discriminant are derived from simulations with a detailed description of the detector response for CMS and are calibrated using exclusive two-body hadronic decays in data for LHCb.

The branching fractions are then obtained by a fit to the dimuon invariant mass, , of all categories simultaneously.

If the Higgs had “exotic” spin-parity rather than the standard model characteristics, the observed invariant mass would be higher.

From the energies and momenta of the Higgs and its partner, researchers then calculated a quantity called the invariant mass for the pair.

In contrast to the γγ and ZZ modes, the invariant mass of the two W bosons cannot be precisely reconstructed.