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VOLUME 36 (1982) | ISSUE 7 | PAGE 272
Use of final-energy sum rules to describe baryon properties in quantum chromodynamics and to estimate the proton lifetime in the SU(5) model
Final-energy sum rules are used to calculate the proton coupling constant λρ with an interpolating proton current. The coupling constant Λρ can be used to calculate the matrix elements for proton decay in the grand unified SU(5) model. The proton lifetime is calculated to be rp = 1028X(M;r/1014GeV)4yr, whereM* isthemassof the X boson.