Results 41 to 50 of about 1,708,127 (184)
Vector-meson dominance and diffractive electroproduction of vector mesons
Nuclear Physics B, 1969 Abstract A vector-meson dominance model of diffractive electroproduction of vector mesons at high energies is presented. The assumption that the invariant amplitudes are slowly varying as a function of the vector-meson mass, when extrapolating to the spacelike region, is shown to lead to serious difficulties when combined with helicity independence ...
FRAAS, H, Schildknecht, Dieter
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RADIATIVE VECTOR MESON DECAY [PDF]
International Journal of Modern Physics A, 2005 We study the radiative ρ, ω and ϕ decay into π0π0γ and π0ηγ taking into account mechanisms in which there are two sequential vector-vector-pseudoscalar or axial-vector–vector–pseudoscalar steps followed by the coupling of a vector meson to the photon, considering the final state interaction of the two mesons.
Palomar Burdeus, Juan Esteban +3 more
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Exploration of trace anomaly contribution to proton mass based on light vector meson photoproduction
European Physical Journal C: Particles and Fields, 2023 In the quantum chromodynamics, the mass source of the proton is decomposed into four parts by the energy momentum tensor: quark energy term, gluon energy term, quark mass term and trace anomaly term.
Chen Dong +4 more
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The photoproduction of vector mesons [PDF]
Nuclear Physics A, 2002 At high energy, the photoproduction or electroproduction of Vector Mesons allow to prepare a beam of quark-antiquark pairs of a given flavor. At high momentum transfer, the study of the scattering of these pairs on a nucleon opens up an original window on the quark-gluon structure of hadronic matter, which may eventually shed light on its gluonic ...
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Vector mesons polarization versus color transparency
EPJ Web of Conferences, 2017 Vector mesons V = ρ, ω, φ can be transversely (helicity λ = ±1) or longitudinally (λ = 0) polarized. Can vector mesons polarization influence on their interaction with nucleons and nuclei?
Gevorkyan Sergey
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Accessing transverse nucleon and gluon distributions in heavy nuclei using coherent vector meson photoproduction at high energies in ion ultraperipheral collisions [PDF]
, 2016 By using the theoretical approaches describing well the available data on $t$-integrated coherent photoproduction of light and heavy vector mesons in Pb-Pb ultraperipheral collisions (UPCs) at the Large Hadron Collider (LHC) in Run 1, we calculate the ...
V. Guzey, M. Strikman, M. Zhalov
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Radiative decays of vector and pseudoscalar nonets
EPJ Web of Conferences, 2012 Using a counting scheme which treats the light pseudoscalar and the light vector-meson nonet on equal footing, the decays of the narrow light vector mesons into a pseudoscalar meson and a dilepton and of the η′ meson into an ɷ meson and a dielectron are ...
Lutz M.F.M., Leupold S., Terschlüsen C.
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Vector meson condensation in a pion superfluid [PDF]
, 2016 We revisit the suggestion that charged rho-mesons undergo Bose-Einstein condensation in isospin-rich nuclear matter. Using a simple version of the Nambu-Jona-Lasinio (NJL) model, we conclude that rho-meson condensation is either avoided or postponed to ...
T. Brauner, Xu-Guang Huang
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Skyrmions and Vector Mesons [PDF]
Physical Review Letters, 1986 We discuss the scattering of mesons of arbitrary spin and isospin from baryons in models in which the baryon is considered a soliton, or ''skyrmion,'' in an effective Lagrangian of mesons. Model-independent linear relations between partial-wave amplitudes are derived for piN..-->..rhoN and ..pi..N..--> omega..N, and, where possible, are compared with ...
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Magnetic polarizabilities of light mesons in SU(3) lattice gauge theory
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
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