Results 1 to 10 of about 57,779 (221)
Magnetic polarizabilities of light mesons in SU(3) lattice gauge theory [PDF]
Nuclear Physics B, 2015 We investigate the ground state energies of neutral pseudoscalar and vector meson in SU(3) lattice gauge theory in the strong abelian magnetic field.
E.V. Luschevskaya +3 more
doaj +4 more sources
The light scalar mesons as tetraquarks [PDF]
Physics Letters B, 2016 We present a numerical solution of the four-quark Bethe–Salpeter equation for ground-state scalar tetraquarks with JPC=0++. We find that the four-body equation dynamically generates pseudoscalar-meson poles in the Bethe–Salpeter amplitude.
Gernot Eichmann +2 more
doaj +4 more sources
New meson mass relation and lowest pseudoscalar glueball mass [PDF]
Chin.Phys. 10 (2001) 611-612, 2000 A new meson mass relation for meson nonet is given after considering mixing with glueball. The mixing between pseudoscalar mesons and pseudoscalar glueball will decrease the mass of glueball by about 500 Mev. So, according to the predicted mass of the pure pseudoscalar glueball given by lattice calculation and effective Hamiltonian, the expected mass ...
Ning Wu, Ruan Tu-Nan, Zheng Zhi-Peng
arxiv +3 more sources
Heavy Meson Masses in the \epsilon-Regime of HM\chi PT [PDF]
, 2011 The pseudoscalar and vector heavy meson masses are calculated in the \epsilon-regime of Heavy Meson Chiral Perturbation Theory to order \epsilon^4. The results of this calculation will allow the determination of low-energy coefficients (LECs) directly ...
C. G. Boyd, L. Liu, Raúl A. Briceño
core +2 more sources
On Scalar Meson Dominance in Semi- and Non-Leptonic Weak Pseudoscalar Meson Decays [PDF]
AIP Conf. Proc. 814 (2006) 690, 2005 Aspects of Scalar Meson Dominance in semi- and non-leptonic weak pseudoscalar meson decays are shortly discussed on the basis of the Quark-Level Linear Sigma Model.Comment: 5 pages, no figures, contribution to XI Int. Conf.
Kleefeld, F.
core +3 more sources
Radially excited scalar, pseudoscalar, and vector meson nonets in a chiral quark model [PDF]
Phys.Part.Nucl. 31 (2000) 282-311; Fiz.Elem.Chast.Atom.Yadra 31
(2000) 576-633, 1999 A chiral Lagrangian containing, besides the usual meson fields, their first radial excitations is constructed. The Lagrangian is derived by bosonization of a Nambu--Jona-Lasinio (NJL) type quark model with separable nonlocal interactions. The nonlocality is described by form factors corresponding to 3-dimensional excited state wave functions.
M. K. Volkov, V. L. Yudichev
arxiv +3 more sources
The role of meson exchanges in light-by-light scattering
Physics Letters B, 2017 We discuss the role of meson exchange mechanisms in γγ→γγ scattering. Several pseudoscalar (π0, η, η′(958), ηc(1S), ηc(2S)), scalar (f0(500), f0(980), a0(980), f0(1370), χc0(1P)) and tensor (f2(1270), a2(1320), f2′(1525), f2(1565), a2(1700)) mesons are ...
Piotr Lebiedowicz, Antoni Szczurek
doaj +4 more sources
Effective Chiral Theory for Pseudoscalar and Vector Mesons [PDF]
, 2002 We consider the vector meson mixing scheme and mass splitting within the framework of an extended $U(3)_L\bigotimes U(3)_R$ chiral effective field theory based on the hidden local symmetry approach where, the pseudoscalar and vector meson nonets play the
Gedalin, E., Moalem, A., Razdolskaya, L.
core +4 more sources
Pseudoscalars and the η′ in the holographic soft-wall model [PDF]
EPJ Web of Conferences, 2022 Pseudoscalar mesons and glueballs are studied in a model based on the AdS/QCD correspondence. Glueball masses are obtained in the pure-gauge case, while the mixing between pseudoscalar glueballs and singlet pseudoscalar mesons produces the expected mass ...
Giannuzzi Floriana, Nicotri Stefano
doaj +1 more source
Determining dominant partial waves in photoproduction via moment analysis [PDF]
EPJ Web of Conferences, 2020 Important insights into the excitation spectra of baryons are provided by measurements of polarization observables in reactions that involve particles with spin.
Wunderlich Yannick
doaj +1 more source