Four years ago, the Higgs boson was officially declared an established subnuclear particle. With that announcement, an over 40 years long search finally reached its conclusion. But that day, July 4th 2012, also marked the start of a new epoch: the one of Higgs boson studies.
What we know about the Higgs boson, four years into the Higgs studies era, is a lot. We know, for instance, that its mass is of 125 GeV, give or take less than half a GeV. We are quite confident that it has null spin and positive parity, as Continue reading “Happy Birthday, Higgs Boson”