  Threshold enhancements predicted by the Resonance-Spectrum-Expansion (RSE)
production amplitude and observed by the BaBaR Collaboration in open-bottom
production above the $B\bar{B}$ threshold, as well as by several collaborations
in open-charm production above the $D\bar{D}$ threshold, can also be seen in
diphoton amplitudes at energies above 100 GeV. One such threshold effect is
visible in tau-tau and muon-muon data of the L3 Collaboration at LEP, and in
the diphoton and four-lepton data of the ATLAS and CMS Collaborations at LHC,
as it is enhanced by the nearby presence of the Higgs resonance. This supports
the assumption of pair production at about 115 GeV. An accumulation of
single-photon and dimuon data around 28 GeV observed by the L3 and the CMS
Collaborations, respectively, lend further credit to the hypothesis of the
existence of a (pseudo)scalar boson with a mass of about 57 GeV.
