Nonperturbative QCD phenomenology and light quark physics

Recent progress in modeling QCD for hadron physics through truncated Dyson-Schwinger equations is reviewed. Special emphasis is put upon comparison of dressed quark propagators and the dressed quark-gluon vertex with lattice-QCD results.

talk: Barossa Valley and Adelaide 2004/03/10
quantum chromodynamics
Dyson-Schwinger equation
quark: propagator
vertex function
Bethe-Salpeter equation
axial-vector meson
numerical calculations

References(23)

Figures(0)

Goldstone theorem and diquark confinement beyond rainbow ladder approximation

- Phys.Lett.B 380 (1996) 7-12
•
e-Print:
- nucl-th/9602012
•
DOI:
- 10.1016/0370-2693(96)00372-3

Bethe-Salpeter equation and a nonperturbative quark gluon vertex

Axel Bender
(
- Adelaide U.
)
,
William Detmold
(
- Adelaide U.
)
,
C.D. Roberts
(
- Argonne, PHY and
- Rostock U.
)
,
Anthony William Thomas
(
- Adelaide U.
)

- Phys.Rev.C 65 (2002) 065203
•
e-Print:
- nucl-th/0202082
•
DOI:
- 10.1103/PhysRevC.65.065203

Bethe-Salpeter study of vector meson masses and decay constants

Pieter Maris
(
- Kent State U.
)
,
Peter C. Tandy
(
- Kent State U.
)

- Phys.Rev.C 60 (1999) 055214
•
e-Print:
- nucl-th/9905056
•
DOI:
- 10.1103/PhysRevC.60.055214

Dyson-Schwinger equations: A Tool for hadron physics

- Int.J.Mod.Phys.E 12 (2003) 297-365
•
e-Print:
- nucl-th/0301049
•
DOI:
- 10.1142/S0218301303001326

Modeling the quark propagator

Patrick O. Bowman
(
- Florida State U., SCS
)
,
Urs M. Heller
(
- Florida State U., SCS
)
,
Derek B. Leinweber
(
- Adelaide U.
)
,
Anthony G. Williams
(
- Adelaide U.
)

- Nucl.Phys.B Proc.Suppl. 119 (2003) 323-325,
•
e-Print:
- hep-lat/0209129
•
DOI:
- 10.1016/S0920-5632(03)01533-0

Asymptotic scaling and infrared behavior of the gluon propagator

UKQCD

Collaboration

•

Derek B. Leinweber
(
- Adelaide U.
)

et al.

- Phys.Rev.D 60 (1999) 094507,
- Phys.Rev.D 61 (2000) 079901 (erratum)
•
e-Print:
- hep-lat/9811027
•
DOI:
- 10.1103/PhysRevD.60.094507

Analysis of a quenched lattice QCD dressed quark propagator

- Phys.Rev.C 68 (2003) 015203
•
e-Print:
- nucl-th/0304003
•
DOI:
- 10.1103/PhysRevC.68.015203

Nonperturbative structure of the quark gluon vertex

Jonivar I. Skullerud
(
- Amsterdam U.
)
,
Patrick O. Bowman
(
- Adelaide U.
)
,
Ayse Kizilersu
(
- Adelaide U.
)
,
Derek B. Leinweber
(
- Adelaide U.
)
,
Anthony G. Williams
(
- Adelaide U.
)

- JHEP 04 (2003) 047
•
e-Print:
- hep-ph/0303176
•
DOI:
- 10.1088/1126-6708/2003/04/047

Dynamical chiral symmetry breaking and confinement with an infrared vanishing gluon propagator

Frederick T. Hawes
(
- Florida State U. and
- Florida State U., SCRI
)
,
Craig D. Roberts
(
- Argonne, PHY
)
,
Anthony G. Williams
(
- Adelaide U.
)

- Phys.Rev.D 49 (1994) 4683-4693
•
e-Print:
- hep-ph/9309263
•
DOI:
- 10.1103/PhysRevD.49.4683

Infrared behavior of propagators and vertices

- Phys.Lett.B 440 (1998) 353-358
•
e-Print:
- nucl-th/9807056
•
DOI:
- 10.1016/S0370-2693(98)01105-8

Lattice quark propagator with staggered quarks in Landau and Laplacian gauges

Patrick O. Bowman
(
- Florida State U., SCS
)
,
Urs M. Heller
(
- Florida State U., SCS
)
,
Anthony G. Williams
(
- Adelaide U.
)

- Phys.Rev.D 66 (2002) 014505
•
e-Print:
- hep-lat/0203001
•
DOI:
- 10.1103/PhysRevD.66.014505

Confinement, DCSB, bound states, and the quark-gluon vertex

A. Holl
(
- Argonne, PHY
)
,
A. Krassnigg
(
- Argonne, PHY
)
,
C.D. Roberts
(
- Argonne, PHY and
- Rostock U.
)

- Nucl.Phys.B Proc.Suppl. 141 (2005) 47-52,
•
e-Print:
- nucl-th/0408015
•
DOI:
- 10.1016/j.nuclphysbps.2004.12.009

Pion mass and decay constant

- Phys.Lett.B 420 (1998) 267-273
•
e-Print:
- nucl-th/9707003
•
DOI:
- 10.1016/S0370-2693(97)01535-9

Aspects and consequences of a dressed quark gluon vertex

M.S. Bhagwat
(
- Kent State U.
)
,
A. Holl
(
- Argonne, PHY
)
,
A. Krassnigg
(
- Argonne, PHY
)
,
C.D. Roberts
(
- Argonne, PHY and
- Rostock U.
)
,
P.C. Tandy
(
- Kent State U.
)

- Phys.Rev.C 70 (2004) 035205
•
e-Print:
- nucl-th/0403012
•
DOI:
- 10.1103/PhysRevC.70.035205

Bethe-Salpeter meson masses beyond ladder approximation

- Few Body Syst. 35 (2004) 129-153
•
e-Print:
- hep-ph/0406340
•
DOI:
- 10.1007/s00601-004-0067-x

Mesons in a Poincare covariant Bethe-Salpeter approach

- Phys.Rev.D 65 (2002) 094026
•
e-Print:
- hep-ph/0202053
•
DOI:
- 10.1103/PhysRevD.65.094026

Strong decays of light vector mesons

Dennis Jarecke
(
- Kent State U.
)
,
Pieter Maris
(
- North Carolina State U.
)
,
Peter C. Tandy
(
- Kent State U.
)

- Phys.Rev.C 67 (2003) 035202
•
e-Print:
- nucl-th/0208019
•
DOI:
- 10.1103/PhysRevC.67.035202

Ground state spectrum of light quark mesons

C.J. Burden
(
- Australian Natl. U., Canberra
)
,
Lu Qian
(
- Kent State U.
)
,
Craig D. Roberts
(
- Argonne, PHY
)
,
P.C. Tandy
(
- Kent State U.
)
,
Mark J. Thomson
(
- Melbourne U.
)

- Phys.Rev.C 55 (1997) 2649-2664
•
e-Print:
- nucl-th/9605027
•
DOI:
- 10.1103/PhysRevC.55.2649

Describing a(1) and b(1) decays

- Phys.Rev.D 60 (1999) 111502
•
e-Print:
- nucl-th/9906038
•
DOI:
- 10.1103/PhysRevD.60.111502

J(PC) exotic mesons from the Bethe-Salpeter equation

- Few Body Syst. 32 (2002) 119-126
•
e-Print:
- hep-ph/0206161
•
DOI:
- 10.1007/s00601-002-0113-5

Quark-gluon vertex model and lattice-QCD data

M.S. Bhagwat
(
- Kent State U.
)
,
P.C. Tandy
(
- Kent State U.
)

- Phys.Rev.D 70 (2004) 094039
•
e-Print:
- hep-ph/0407163
•
DOI:
- 10.1103/PhysRevD.70.094039

Quark gluon vertex in arbitrary gauge and dimension

Andrei I. Davydychev
(
- Mainz U., Inst. Phys.
)
,
P. Osland
(
- Bergen U.
)
,
L. Saks
(
- Bergen U.
)

- Phys.Rev.D 63 (2001) 014022
•
e-Print:
- hep-ph/0008171
•
DOI:
- 10.1103/PhysRevD.63.014022

Dynamical mass generation in Landau gauge QCD

C.S. Fischer
(
- Durham U., IPPP
)
,
Felipe J. Llanes-Estrada
(
- Madrid U.
)
,
Reinhard Alkofer
(
- Tubingen U.
)

- Nucl.Phys.B Proc.Suppl. 141 (2005) 128-133,
•
e-Print:
- hep-ph/0407294
•
DOI:
- 10.1016/j.nuclphysbps.2004.12.020