Light quark Yukawa couplings from Higgs kinematics

We show that the normalized higgs production p t and y h distributions are sensitive probes of higgs couplings to light quarks. for up and/or down quark yukawa couplings comparable to the sm b quark yukawa the ūu or $$ overline{d}d $$ fusion production of the higgs could lead to appreciable softer p t distribution than in the sm. the rapidity distribution, on the other hand, becomes more forward. we find that, owing partially to a downward fluctuation, one can derive competitive bounds on the two couplings using atlas measurements of normalized p t distribution at 8 tev. with 300 fb−1 at 13 tev lhc one could establish flavor non-universality of the yukawa couplings in the down sector.