nLab scalar meson

Contents

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 $(u d d)$

hadrons (bound states of the above quarks)

bosinos:

dark matter candidates

Exotica

auxiliary fields

Idea

A type of meson which (in Wigner classification) is a Lorentz group scalar or pseudoscalar is called a (pseudo-)scalar meson, for short. This is in contrast to (pseudo-)vector mesons, which instead are (pseudo-)vector representations

(See also the references at meson.)

Eef van Beveren, George Rupp, Scalar mesons as simple quark+antiquark states, AIP Conf. Proc. 508 (1999) 310-317, Hadron Physics, Sept. 1999, Coimbra, Portugal (arXiv:hep-ph/9912332)
L. Albino, I. M. Higuera-Angulo, K. Raya, A. Bashir, Pseudo-scalar mesons: light front wave functions, GPDs and PDFs [arXiv:2207.06550]

Last revised on July 15, 2022 at 14:14:52. See the history of this page for a list of all contributions to it.