fields and particles in particle physics
and in the standard model of particle physics:
matter field fermions (spinors, Dirac fields)
flavors of fundamental fermions in the standard model of particle physics: | |||
---|---|---|---|
generation of fermions | 1st generation | 2nd generation | 3d generation |
quarks () | |||
up-type | up quark () | charm quark () | top quark () |
down-type | down quark () | strange quark () | bottom quark () |
leptons | |||
charged | electron | muon | tauon |
neutral | electron neutrino | muon neutrino | tau neutrino |
bound states: | |||
mesons | light mesons: pion () ρ-meson () ω-meson () f1-meson a1-meson | strange-mesons: ϕ-meson (), kaon, K*-meson (, ) eta-meson () charmed heavy mesons: D-meson (, , ) J/ψ-meson () | bottom heavy mesons: B-meson () ϒ-meson () |
baryons | nucleons: proton neutron |
(also: antiparticles)
hadrons (bound states of the above quarks)
minimally extended supersymmetric standard model
bosinos:
dark matter candidates
Exotica
A -baryon is a baryon which is a bound state of an up quark, a down quark and one quark from a higher generation of fundamental particles: a charm quark (), a bottom quark () or a top quark ().
See also
LHCb collaboration, Test of lepton universality with decays (arXiv:1912.08139)
also:
CERN courier, Debut for baryons in flavour puzzle, 20 Dec. 2019
CERN news, LHCb explores the beauty of lepton universality, 15 Jan 2020
(first measurement of lepton universality for Lambda baryons, finding the flavour anomaly at (only) 1 sigma but pointing in the same direct
Last revised on January 19, 2020 at 13:22:09. See the history of this page for a list of all contributions to it.