Results 101 to 110 of about 57,829 (262)

Chiral Structure of Scalar and Pseudoscalar Mesons [PDF]

Advances in High Energy Physics, 2013
45 pages, 7 figures, 7 tables, to appear in Advances in High Energy ...
openaire   +4 more sources

The light invisible boson in FCNC decays of B and $$B_c$$ B c mesons

European Physical Journal C: Particles and Fields, 2021
In this paper, we study the FCNC decay processes of B and $$B_c$$ B c meson, in which one invisible particle is emitted. Both the spin-0 and spin-1 cases are considered.
Geng Li, Tianhong Wang, Jing-Bo Zhang, Guo-Li Wang   +3 more
doaj   +1 more source

Electromagnetic Transition Form Factors of Mesons

, 2011
Using a counting scheme which treats pseudoscalar and vector mesons on equal footing, the decays of the narrow light vector mesons omega and phi into a dilepton and a pseudoscalar pi-meson or eta-meson, respectively, are calculated. Thereby, all required
Achasov, Arnaldi, C. Terschlüsen, Gasser, Leupold, Lutz, Nakamura, S. Leupold, Sakurai, Scherer, Terschlüsen   +10 more
core   +1 more source

Effective masses of diquarks [PDF]

, 2002
We study meson and diquark bound states using the rainbow-ladder truncation of QCD's Dyson-Schwinger equations. The infrared strength of the rainbow-ladder kernel is described by two parameters.
Maris, P.
core   +2 more sources

Scaling test of quenched Wilson twisted mass QCD at maximal twist

, 2005
We present the results of an extended scaling test of quenched Wilson twisted mass QCD. We fix the twist angle by using two definitions of the critical mass, the first obtained by requiring the vanishing of the pseudoscalar meson mass m_PS for standard ...
Jansen, K., Papinutto, M., Shindler, A., Urbach, C., Wetzorke, I.   +4 more
core   +1 more source

Charge form factors of pseudoscalar mesons [PDF]

Physical Review D, 1994
18 pages, ReVTeX, 6 figures included, SLAC-PUB ...
openaire   +3 more sources

Further evidence for a large glue component in the f0(1500) meson

, 2002
We argue that the experimental decay rates of the f0(1500) meson into two pseudoscalar mesons and into two photons are incompatible with a quark-antiquark state and that the f0(1710) meson is dominantly an ssbar state.Comment: 11 ...
Abele, Abele, Acciarri, Acciarri, Achasov, Alekseev, Amsler, Amsler, Amsler, Amsler, Amsler, Amsler, Amsler, Amsler, Anisovich, Aston, Barate, Barberis, Barberis, Barberis, Barberis, Barnes, Barnes, Bergström, Bertin, Boglione, Boglione, Bugg, Claude Amsler, Close, Dunwoodie, Frabetti, Groom, Hagiwara, Jaffe, Li, Michael, Minkowski, Morgan, Morningstar, Oller, Tumanov, Törnquist, Weingarten, Weingarten, Weingarten, Weinstein   +46 more
core   +1 more source

Decay of the pseudoscalar glueball and its first excited state into scalar and pseudoscalar mesons and their first excited states [PDF]

Phys. Rev. D 100, 096007 (2019), 2019
We expand the study of the pseudoscalar glueball and its first excited state by constructing an interaction Lagrangian which produces the two- and three-body decays of the pseudoscalar glueball, $J^{PC}=0^{-+}$, into the (pseudo)scalar and the excited (pseudo)scalar mesons as well as by constructing other two different chiral Lagrangians which describe
arxiv   +1 more source

The Ds0(2590)+ as the dressed cs¯(21S0) meson in a coupled-channels calculation

Physics Letters B, 2022
The recent discovery of the Ds0(2590)+ meson by the LHCb Collaboration has stimulated the analysis of meson-meson channels effects in the two-body quark-antiquark meson spectrum.
Pablo G. Ortega, Jorge Segovia, David R. Entem, Francisco Fernández   +3 more
doaj  

Pseudoscalar meson form factors and decays [PDF]

, 2011
In this communication we discuss few topics related with modern experimental data on the physics of light pseudoscalar mesons. It includes the contribution of the pseudoscalar mesons to the muon anomalous magnetic moment (AMM), $g-2$, the rare decays of light pseudoscalar mesons to lepton pair, the transition form factors of pseudoscalar mesons at ...
arxiv   +1 more source