Abstract
We propose a physical definition of the Z-boson mass, the real part of the pole in the Z-boson propagator, which is field-redefinition invariant and gauge invariant to all orders. The physical Z-boson mass lies approximately 26 MeV below the commonly used "on-shell" mass.
Original language | English |
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Pages (from-to) | 373-376 |
Number of pages | 4 |
Journal | Physics Letters B |
Volume | 259 |
Issue number | 3 |
DOIs | |
Publication status | Published - 25 Apr 1991 |
Externally published | Yes |