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Heavy particles and the ro-parameter in the standard model

By M.J.G. Veltman, M.B. Einhorn and D.R.T. Jones


A new formalism is presented for the calculation of the contribution to from heavy particles transforming according to arbitrary representations of . A conjecture for the necessary and sufficient conditions that for all values of masses and mixing angles within a particular multiplet is formulated. A number of examples are given (all consistent with the conjecture) and the significance of improved knowledge of vis a vis the possible existence of undiscovered heavy particles discussed

Topics: Natuur- en Sterrenkunde
Year: 1981
OAI identifier: oai:dspace.library.uu.nl:1874/4809
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