Fix sign conventions in ZH NLO EW at CEPC/FCCee/LEP3/LCF#135

jacoterh merged 4 commits into

mainLHCfitNikhef/smefit_database:mainfrom

update_zh_nlo_ewLHCfitNikhef/smefit_database:update_zh_nlo_ewCopy head branch name to clipboard