erved values, MH 125 GeV and Mt :4 173 GeV, the coupling runs neg- ative at h 107° — 1012 GeV; this is the well-known vacuum stability problem of the Standard Model [26]. Successful HI requires an O(2e) deviation from central values toward either larger Higgs boson mass or smaller top quark mass. Gauge depende

bserved values, 125 GeV and Mt xr. 173 GeV, the coupling runs neg- ative at h ot 101° —1012 GeV; this is the well-known vacuum stability problem of the Standard Model [26). Successful HI requires an O(2o) deviation from central values toward either larger Higgs boson mass or smaller top quark mass. Gauge depende

this subject? —Martin Rees, author of Just Six Numbers "It is an exhilarating experience to be led through this fascinating story, from Galileo to the Standard Model and the Higgs boson and beyond, with lucid detail and insight, illuminating vividly not only the achieve- ments themselves but also the joy of creat

ne wanted to talk about the details in public. 2P_GrealetaleryEverTold_AC.indd 254 12/16116 3:06 PIA EFTA00286176 Spanking the Vacuum 255 That the Standard Model didn't fix in advance many of the details of the Higgs sector didn't dissuade many theorists from proposing models that "predicted" the Higgs mass

etical physics. It took several centuries or, if one counts back to the science of the Greeks, several millennia of hits and misses to come up with the Standard Model. So this is where we are. Are great new experimental insights just around the corner that may validate, or invalidate, some of the grander specula