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Link to original content: http://ncatlab.org/nlab/print/b1-meson

b1-meson in nLab

nLab b1-meson

Context

Fields and quanta

fields and particles in particle physics

and in the standard model of particle physics:

force field gauge bosons

photon - electromagnetic field (abelian Yang-Mills field)
W, Z, B-boson - electroweak field (Yang-Mills field)
gluon - strong nuclear force (Yang-Mills field)
graviton - field of gravity
infraparticle

scalar bosons

Higgs boson, inflaton (scalar field)

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 ( $q$ )
up-type	up quark ( $u$ )	charm quark ( $c$ )	top quark ( $t$ )
down-type	down quark ( $d$ )	strange quark ( $s$ )	bottom quark ( $b$ )
leptons
charged	electron	muon	tauon
neutral	electron neutrino	muon neutrino	tau neutrino

bound states:
mesons	light mesons: pion ( $u d$ ) ρ-meson ( $u d$ ) ω-meson ( $u d$ ) f1-meson a1-meson	strange-mesons: ϕ-meson ( $s \bar s$ ), kaon, K-meson ( $u s$ , $d s$ ) eta-meson ( $u u + d d + s s$ ) charmed heavy mesons*: D-meson ( $u c$ , $d c$ , $s c$ ) J/ψ-meson ( $c \bar c$ )	bottom heavy mesons: B-meson ( $q b$ ) ϒ-meson ( $b \bar b$ )
baryons	nucleons: proton $(u u d)$ neutron $(u d d)$

(also: antiparticles)

effective particles

Goldstone bosons

hadrons (bound states of the above quarks)

meson
- scalar meson
  - σ-meson
  - pion
  - kaon
  - D-meson
  - B-meson
- vector meson
  - ω-meson
  - ρ-meson
  - f1-meson
  - a1-meson
  - b1-meson
  - h1-meson
  - K*-meson
- tensor meson
- quarkonium
  - charmonium
  - ϒ-meson
exotic meson
- XYZ meson
- tetraquark
baryon
- nucleon
  - proton
  - neutron
  - chemical element
    - carbon
    - nitrogen
- Lambda baryon
- pentaquark

in grand unified theory

minimally extended supersymmetric standard model

superpartners

bosinos:

gravitino - field of supergravity (Rarita-Schwinger field)
gaugino - super Yang-Mills field
gluino

squark

dark matter candidates

WIMP
axion

Exotica

auxiliary fields

Contents

Idea
Related concepts
References

Idea

One of the light vector mesons, with Wigner classification being a Lorentz group bivector (DHR 11, DHR 12) and isospin vector.

Related concepts

References

J. C. R. Bloch, Yu. L. Kalinovsky, C. D. Roberts, S. M. Schmidt, Describing $a_1$ and $b_1$ decays, Phys. Rev. D60:111502, 1999 (arXiv:nucl-th/9906038)

Discussion within holographic QCD:

Sophia K. Domokos, Jeffrey Harvey, Andrew B. Royston, Completing the framework of AdS/QCD: $h_1$ / $b_1$ mesons and excited $\omega$ / $\rho$ ‘s, JHEP 05(2011)107 (arXiv:1101.3315)
Sophia K. Domokos, Jeffrey Harvey, Andrew B. Royston, Successes and Failures of a More Comprehensive Hard Wall AdS/QCD, JHEP 04(2013)104 (arXiv:1210.6351)