nLab
composite Higgs model

Contents

Context

Fields and quanta

fields and particles in particle physics

and in the standard model of particle physics:

force field gauge bosons

scalar bosons

matter field fermions (spinors, Dirac fields)

flavors of fundamental fermions in the
standard model of particle physics:
generation of fermions1st generation2nd generation3d generation
quarks (qq)
up-typeup quark (uu)charm quark (cc)top quark (tt)
down-typedown quark (dd)strange quark (ss)bottom quark (bb)
leptons
chargedelectronmuontauon
neutralelectron neutrinomuon neutrinotau neutrino
bound states:
mesonslight mesons:
pion (udu d)
ρ-meson (udu d)
ω-meson (udu d)
f1-meson
a1-meson
strange-mesons:
ϕ-meson (ss¯s \bar s),
kaon, K*-meson (usu s, dsd s)
eta-meson (uu+dd+ssu u + d d + s s)

charmed heavy mesons:
D-meson (uc u c, dcd c, scs c)
J/ψ-meson (cc¯c \bar c)
bottom heavy mesons:
B-meson (qbq b)
ϒ-meson (bb¯b \bar b)
baryonsnucleons:
proton (uud)(u u d)
neutron (udd)(u d d)

(also: antiparticles)

effective particles

hadrons (bound states of the above quarks)

solitons

in grand unified theory

minimally extended supersymmetric standard model

superpartners

bosinos:

sfermions:

dark matter candidates

Exotica

auxiliary fields

Contents

Idea

Composite Higgs Models are speculative models (in theoretical physics) which explore the possibility that the Higgs boson is not fundamental, but a bound state in a more fundamental strongly interacting sector beyond the current standard model of particle physics which gives rise to electro-weak symmetry breaking.

While the measurement of the apparent Higgs boson at the LHC strongly disfavours technicolor models (which is the other main class of models where the Higgs field is not actually fundamental), composite Higgs models are still viable. They are commonly argued to be an alternative to supersymmetry with regards to the naturalness-issue, and the have been argued to possibly explain the observer flavour anomalies (see the references below).

References

General

Review includes

See also

Flavour anomalies

Attempts to explain the flavour anomalies with a composite Higgs boson:

Last revised on April 6, 2021 at 10:49:46. See the history of this page for a list of all contributions to it.