Results 51 to 60 of about 69,459 (220)

On the Decay of a Heavy Meson into Lighter Mesons [PDF]

open access: yesProgress of Theoretical Physics, 1950
Existence of a heavy meson (,-meson) having the mass about 700~1000 times of an electron and the fact it disintegrates into l'Z'-mesons is almost confirmed by recent experiments. For example, G. D. Rochester and C. C. Butleel have reported the processes which are considered to be ,±~1C± + 1CO and ,o_l'Z'+ + r.and C. F.
Shoji Ozaki, Seibun Sasaki, Sadao Oneda
openaire   +2 more sources

Meson turbulence at quark deconfinement from AdS/CFT

open access: yesNuclear Physics B, 2015
Based on the QCD string picture at confining phase, we conjecture that the deconfinement transition always accompanies a condensation of higher meson resonances with a power-law behavior, “meson turbulence”.
Koji Hashimoto   +3 more
doaj   +1 more source

Effects of scalar mesons in a Skyrme model with hidden local symmetry [PDF]

open access: yesPhys. Rev. D 92, 076007 (2015), 2015
We study the effects of light scalar mesons on the skyrmion properties by constructing and examining a mesonic model including pion, rho meson, and omega meson fields as well as two-quark and four-quark scalar meson fields. In our model, the physical scalar mesons are defined as mixing states of the two- and four-quark fields.
arxiv   +1 more source

Meson B fragmentation function with consideration of mass corrections

open access: yesIranian Journal of Physics Research, 2019
Study of B meson (meson with the bottom quark flavor) in Large Hadron Collider (LHC) is of special importance so that the detector LHCb is devoted to investigate these types of mesons.
M Soleymaninia, S M Moosavi Nejad
doaj  

The sigma-meson exchange contribution to the muonic hydrogen Lamb shift [PDF]

open access: yesEPJ Web of Conferences, 2019
The sigma(ξ)meson exchange contribution to the potential of the muon-proton interactionin muonichydrogen inducedbythe ξ-meson coupling to two photons is estimated. The transition form factor ξ → γγ is deduced from the quark model and experimental data on
Dorokhov A.E.   +3 more
doaj   +1 more source

Spectrum of mesons and hyperfine dependence potentials

open access: yesIranian Journal of Physics Research, 2006
In most models, mesons consist of quark -antiquark pairs moving in a confining potential. However, it would be interesting to consider the effect of an extra residual interaction by introducing the quark particles which contain a dependent spin and ...
A. A. Rajabi
doaj  

In-medium properties of mesons

open access: yesEPJ Web of Conferences, 2017
In the project B.4, the modification of meson properties (mass, width) in a nuclear medium has been studied in photoproduction of mesons off nuclear targets.
Metag Volker   +2 more
doaj   +1 more source

The light scalar mesons as tetraquarks

open access: yesPhysics 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   +1 more source

Equivalence of Electromagnetic Fluctuation and Nuclear (Yukawa) Forces: the π₀ Meson, its Mass and Lifetime

open access: yesSubstantia, 2022
It is shown how Maxwell’s equations for the electromagnetic field with Planck quantisation of allowed modes appears to provide a semiclassical account of nuclear interactions. The mesons emerge as plasmons, collective excitations in an electron positron
Barry W. Ninham   +2 more
doaj   +1 more source

A Model of Mesons [PDF]

open access: yesviXra, 2017
Detailed models of mesons have been derived in terms of real structured particles, in order to replace the formless quark/anti-quark singularities of standard QCD theory. Pion design is related to the muonic mass, and a Yukawa potential is calculated for the hadronic field.
openaire   +1 more source

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