nLab rho meson

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)

(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

In nuclear physics, specifically in the chiral perturbation theory of quantum chromodynamics, the rho-meson is the isospin-triplet vector meson field in the first-generation of fermions, i.e. a bound state of an up quark and a down quark (a light meson), the chiral partner of the a1-meson;


flavors of fundamental fermions in the
standard model of particle physics:
generation of fermions1st generation2nd generation3d generation
quarks ()
up-typeup quark ()charm quark ()top quark ()
down-typedown quark ()strange quark ()bottom quark ()
leptons
chargedelectronmuontauon
neutralelectron neutrinomuon neutrinotau neutrino
bound states:
mesonslight 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 ()
baryonsnucleons:
proton
neutron

Properties

Relation to Skyrmions

The skyrmion-model (see there) realizes baryons as solitons/instantons in a cloud of pions. If one adds to this also the ρ one gets also good Skyrmion models of light atomic nuclei (Naya=Sutcliffe 18)

References

General

See also

Via holographic light front QCD:

  • Satvir Kaur, Chandan Mondal, Harleen Dahiya, Light-front holographic -meson distributions in the momentum space (arXiv:2009.04288)

Skyrme hadrodynamics with vector mesons (---model)

Inclusion of vector mesons (omega-meson and rho-meson/A1-meson) into the Skyrmion model of quantum hadrodynamics, in addition to the pion:

First, on the equivalence between hidden local symmetry- and massive Yang-Mills theory-description of Skyrmion quantum hadrodynamics:

  • Atsushi Hosaka, H. Toki, Wolfram Weise, Skyrme Solitons With Vector Mesons: Equivalence of the Massive Yang-Mills and Hidden Local Symmetry Scheme, 1988, Z. Phys. A332 (1989) 97-102 (spire:24079)

See also

  • Marcelo Ipinza, Patricio Salgado-Rebolledo, Meron-like topological solitons in massive Yang-Mills theory and the Skyrme model (arXiv:2005.04920)

Inclusion of the -meson

Original proposal for inclusion of the ω-meson in the Skyrme model:

Relating to nucleon-scattering:

  • J. M. Eisenberg, A. Erell, R. R. Silbar, Nucleon-nucleon force in a skyrmion model stabilized by omega exchange, Phys. Rev. C 33, 1531 (1986) (doi:10.1103/PhysRevC.33.1531)

Combination of the omega-meson-stabilized Skyrme model with the bag model for nucleons:

Discussion of nucleon phenomenology for the -stabilized Skyrme model:

Inclusion of the -meson

Original proposal for inclusion of the ρ-meson:

Discussion for phenomenology of light atomic nuclei:

See also:

Inclusion of the - and -meson

The resulting -- model:

See also

  • Ki-Hoon Hong, Ulugbek Yakhshiev, Hyun-Chul Kim, Modification of hyperon masses in nuclear matter, Phys. Rev. C 99, 035212 (2019) (arXiv:1806.06504)

Review:

Combination of the omega-rho-Skyrme model with the bag model of quark confinement:

  • H. Takashita, S. Yoro, H. Toki, Chiral bag plus skyrmion hybrid model with vector mesons for nucleon, Nuclear Physics A Volume 485, Issues 3–4, August 1988, Pages 589-605 (doi:10.1016/0375-9474(88)90555-6)

Inclusion of the -meson

Inclusion of the sigma-meson:

For analysis of neutron star equation of state:

  • David Alvarez-Castillo, Alexander Ayriyan, Gergely Gábor Barnaföldi, Hovik Grigorian, Péter Pósfay, Studying the parameters of the extended - model for neutron star matter (arXiv:2006.03676)
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Last revised on September 10, 2020 at 18:40:32. See the history of this page for a list of all contributions to it.

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