Scalar-isoscalar mesons are studied using an unitary model in three channels: ππ, KK and an effective 2π2π. All the solutions, fitted to the ππ and KK data, exhibit a wide f0(500), a narrow f0(980) and two relatively narrow resonances, lying on different sheets between 1300 MeV and 1500 MeV. These latter states are similar to the f0(1370) and f0(1500) seen in experiments at CERN. Branching rati...

Scalar mesons are a key expression of the strong physics regime of QCD and the role condensates, particularly 〈qq〉, play in breaking chiral symmetry. What new insights have been provided by recent experiments on D, Ds and J/ψ decays to light hadrons is discussed. We need to establish whether all the claimed scalars σ, κ, f0(1370), etc., really exist and with what parameters before we can meanin...

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Intimate emotional and sexual relationships outside of marriage or a committed relationship occur with high frequency in both community and, particularly, clinical populations. Clinicians are likely to confront infidelity not only among couples they treat, but also among individuals struggling with their own or their partner’s affair and among children contending with consequences of a parent’s...