1.68k likes | 1.88k Views
weak bosons. -. composite. H. Fritzsch LMU Munich. LHC. p. p. 4 TeV. 4 TeV. ???. 126 GeV. -. ? excited weak boson spin 0. weak bosons. -. composite. Standard Model . -. quarks + leptons weak bosons. pointlike. SLAC – DESY LEP - Tevatron.
E N D
weakbosons - composite H. Fritzsch LMU Munich
p p 4 TeV 4 TeV
??? 126 GeV
- ? excited weakboson spin 0
weakbosons - composite
Standard Model - quarks + leptons weakbosons pointlike
SLAC – DESY LEP - Tevatron radius of electron: radius of u/d-quark:
Standard model ! Massof Proton ! ? MassofWeakBoson ?
- 70 % 30%
Mass of WeakBoson ???
spontaneous symmetry breaking Anderson Brout – Englert Guralnik – Hagen - Kibble Higgs
spontaneous symmetry breaking “Higgs“ - mechanism
? weakbosonmass H
- alternative: massgeneration confinement
weakbosons - composite
- SU(2) 2 x 2 scalars mass M massless rho - mesons
- “Higgs“ - mechanism „Higgs“ - scalar mass M massive rho - mesons
- “Higgs“ - mechanism „Higgs“ - scalar mass M massive rho - mesons
- meson in QCD : quark - antiquark - gluons
- Q C D 1 GeV no „Higgs“ - scalar 3 massive rho - mesons
universalitycouplingconstantsquarksdualitydiagramscurrentalgebravectormesondominanceuniversalitycouplingconstantsquarksdualitydiagramscurrentalgebravectormesondominance
current rho - meson
weakbosons composite
- old references: Bjorken (1977) Fritzsch and Mandelbaum (1981) Abbott andFarhi (1981) Barbieri andMohapatra (1981) Fritzsch, Kogerlerand Schildknecht (1982) Lüst (1985) Calmetand Fritzsch (2000)
- new: H. Fritzsch - arXiv: 1010.1428 - arXiv: 1105.3354 - arXiv: 1203.5600
- masses of composite weak bosons ? analogy
- M QCD
- QCD + QED Dynamical mixing of rho meson and photon:
- mixing parameter m decay constant
- mixing with photon m: mixing parameter ~ 3.1 MeV m = 0.09
- QCD +QED mass shift: 3.1 MeV
- ~10.4 GeV