Grand unification signal from ultrahigh energy cosmic rays?
WoS ID: 000168045700003
Scopus ID: 0035831859
PubMed ID: 11327937
The spectrum of ultrahigh energy (above approximate to 10(9) GeV) cosmic rays is consistent with the decay of grand unification scale particles. The predicted mass is m(x) = 10(h) GeV, where h = 14.6(-1.7)(+1.6).