Precise determinations of the masses of the W boson and of the top quark could stringently test the radiative structure of the Standard Model (SM) or provide evidence for new physics. We analyze the excellent prospects at a muon collider for measuring MW and mt in the W+W- and ZH threshold regions. With an integrated luminosity of 10 (100) fb-1, the W-boson mass could be measured to a precision of 20 (6) MeV, provided that theoretical and experimental systematics are understood. A measurement of ∆MW=6 MeV would constrain the mass of a ∼100 GeV Higgs to about ±10 GeV. We demonstrate that a measurement at future colliders of the Bjorken process With an integrated luminosity of 100 fb-1 it is possible to measure the Standard Model Higgs mass to within 45 MeV at a μ+μ- collider for mh=100 GeV.
The Workshop on Physics at the First muon Collider and at the front end of a muon Collider
- Pub Date:
- August 1998
- Standard-model Higgs bosons;
- Non-standard-model Higgs bosons;
- High Energy Physics - Phenomenology
- 6 pages, 4 figures