Results 11 to 20 of about 17,379 (194)

Weak radiative hyperon decays and vector meson dominance [PDF]

open access: greenNuclear Physics B - Proceedings Supplements, 1999
Talk given at 3rd International Conference on Hyperons, Charm and Beauty Hadrons, Genoa, Italy, 30 Jun - 3 Jul 1998; To appear in Nuclear Physics B, Proceedings Supplements; 4 pages, LaTeX, uses espcrc2.sty (can be obtained from http://www.nucphys.nl)
P. Żenczykowski
openalex   +4 more sources

Light quark loops in K ± → π ± ν ν ¯ $$ {K}^{\pm}\to {\pi}^{\pm}\nu \overline{\nu} $$ from vector meson dominance and update on the Kaon Unitarity Triangle [PDF]

open access: diamondJournal of High Energy Physics
We use vector meson dominance to calculate non-perturbative contributions to the branching ratio of the rare decay K ± → π ± ν ν ¯ $$ {K}^{\pm}\to {\pi}^{\pm}\nu \overline{\nu} $$ stemming from matrix elements involving up-quark loops.
Enrico Lunghi, Amarjit Soni
doaj   +2 more sources

Vector meson dominance and free quarks [PDF]

open access: greenPhysics Letters B, 1992
13 pages including 3 figures, NOT TEX, file must be converted with BinHex 4.0 to view and print from Macintosh, no other software ...
Bob Holdom
openalex   +3 more sources

Vector meson dominance as a first step in a systematic approximation: The pion vector form factor [PDF]

open access: green, 2008
Pad\'e approximants can be used to go beyond vector meson dominance in a systematic approximation. We illustrate this fact with the case of the pion vector form factor in the spacelike region and extract values for the first two coefficients of its ...
Pere Masjuan   +2 more
openalex   +3 more sources

Exploring T and S parameters in Vector Meson Dominance models of strong electroweak symmetry breaking [PDF]

open access: hybrid, 2012
A bstractWe revisit the electroweak precision tests for Higgsless models of strong EWSB. We use the Vector Meson Dominance approach and express S and T via couplings characterizing vector and axial spin-1 resonances of the strong sector.
Axel Orgogozo, Slava Rychkov
openalex   +3 more sources

Vector Meson Dominance Model for Radiative Decays Involving Light Scalar Mesons [PDF]

open access: greenNuclear Physics B - Proceedings Supplements, 2002
4 pages, 1 figure, REVTeX.
Deirdre Black   +2 more
openalex   +5 more sources

Photonuclear interactions at very high energies and vector meson dominance [PDF]

open access: diamond, 2013
We show that nucleon electromagnetic structure functions of deep inelastic scattering in Regge-Gribov limit (fixed Q-squared, asymptotically large 1/x and s) can be well described in the two-component (soft + hard) approach.
E V Bugaev, B V Mangazeev
openalex   +3 more sources

Pion transition form factor in the Regge approach and incomplete vector-meson dominance [PDF]

open access: green, 2010
The concept of incomplete vector-meson dominance and Regge models is applied to the transition form factor of the pion. First, we argue that variants of the chiral quark model fulfilling the chiral anomaly may violate the Terazawa-West unitarity bounds ...
E. Ruiz Arriola, Wojciech Broniówski
openalex   +3 more sources

Photoproduction of the X(3872) beyond vector meson dominance: the open-charm coupled-channel mechanism [PDF]

open access: hybridJournal of Physics G: Nuclear and Particle Physics
Hidden-charm exotic hadrons will be searched for and investigated at future electron-ion colliders. For instance, the X(3872) can be produced through the exclusive process γp→X(3872)p.
Xiong-Hui Cao, Meng-Lin Du, Feng-Kun Guo
openalex   +2 more sources

Vector meson dominance and ρ-ω mixing [PDF]

open access: greenPhysical Review C, 1998
The scale of a phenomenologically successful charge-symmetry-violating nucleon-nucleon interaction, that attributed to meson exchange with a $ I =1$ rho-omega transition, is set by the Coleman-Glashow SU(2) breaking tadpole mechanism. A single tadpole scale has been obtained from symmetry arguments, electromagnetic meson and baryon measured mass ...
S. A. Coon, M. D. Scadron
  +6 more sources

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