Results 31 to 40 of about 1,098,728 (163)

Radiative decays of basic scalar, vector and tensor mesons and the determination of the P-wave q\bar q multiplet

open access: yes, 2001
We perform simultaneous calculations of the radiative decays of scalar mesons f_0(980)-> \gamma\gamma, a_0(980)-> \gamma\gamma, vector meson \phi(1020)-> \gamma f_0(980), \gamma a_0(980), \gamma \pi^0, \gamma \eta, \gamma \eta' and tensor mesons a_2(1320)
Anisovich, A. V.   +2 more
core   +1 more source

The (980) and (980) in the Process

open access: yesPhysics Letters, 2021
In this work, we have investigated the process Ds+→K+K−π+, taking into account the contributions from the S-wave pseudoscalar-pseudoscalar interaction within the chiral unitary approach, and also the intermediate ϕ resonance. By analyzing the BESIII and BABAR measurements, we conclude that the f0(980) state, dynamically generated from the S-wave ...
Wang, Jun-Ya   +5 more
openaire  

Effect of thermodynamic coupled simulation condition on microstructure and stress rupture properties of DZ406 alloy

open access: yesJournal of Aeronautical Materials, 2022
There is a problem about microstructure evolution and properties degradation for the superalloy turbine blades in long term service conditions. DZ406 alloy samples were pre-loaded to simulate the high temperature service environment of turbine blades ...
JIA Xinyun   +6 more
doaj   +1 more source

Photoproduction of $a_0(980)$ and $f_0(980)$

open access: yes, 2015
Minor rewording, inclusion of NS predictions in addition to KL predictions, figures 3 and 4 modified ...
Donnachie, A., Kalashnikova, Yu S.
openaire   +2 more sources

Isospin breaking and f0(980)-a0(980) mixing in the η(1405) → π0f0(980) reaction

open access: yesEPJ Web of Conferences, 2014
We make a theoretical study of the η(1405) → π0f0(980) and η(1405) → π0a0(980) reactions to determine the isospin violation and the mixing of the f0(980) and a0(980) resonances. We make use of the chiral unitary approach where these two resonances appear
Aceti F.   +4 more
doaj   +1 more source

Decays of sigma, kappa, a0(980) and fo(980) [PDF]

open access: yesThe European Physical Journal C, 2006
Ratios of coupling constants for these decays are compared with q-qbar predictions and Jaffe's 4-quark model. In both models, the predicted ratio g^2(kappa -> K-pi)/ g^2(sigma -> pi-pi) is much too small. Also, for q-qbar, the predicted ratio g^2(kappa -> K-eta ')/g^2(kappa -> K-pi) is much larger than observed. Both models fail for g^2(fo -
openaire   +3 more sources

Determination of $f_0-\sigma$ mixing angle through $B_s^0 \to J/\Psi~f_0(980)(\sigma)$ decays

open access: yes, 2012
We study $B_s^0 \to J/\psi f_0(980)$ decays, the quark content of $f_0(980)$ and the mixing angle of $f_0(980)$ and $\sigma(600)$. We calculate not only the factorizable contribution in QCD facorization scheme but also the nonfactorizable hard spectator ...
Du, Dong-Sheng   +2 more
core   +1 more source

Study the $$B^{0}_{(s)}$$ B ( s ) 0 decays into $$\phi $$ ϕ and a scalar or vector meson

open access: yesEuropean Physical Journal C: Particles and Fields, 2021
In the present work, we investigate the decays of $$B^{0}_{(s)} \rightarrow \phi \pi ^{+}\pi ^{-}$$ B ( s ) 0 → ϕ π + π - with the final state interaction based on the chiral unitary approach. In the final state interaction of the $$\pi ^+\pi ^-$$ π + π -
Hiwa A. Ahmed   +3 more
doaj   +1 more source

On the \phi(1020)f_0(980) S-wave scattering and the Y(2175) resonance

open access: yes, 2009
We have studied the \phi(1020)f_0(980) S-wave scattering at energies around threshold employing chiral Lagrangians coupled to vector mesons through minimal coupling. The interaction kernel is obtained by considering the f_0(980) as a K\bar{K} bound state.
G.-J. Ding   +5 more
core   +1 more source

Finite width effects in \phi radiative decays [PDF]

open access: yes, 2002
The decay widths \phi \to \gamma f_0(980) and \phi \to \gamma a_0(980) are calculated taking into account the finite widths of the scalar resonances f_0(980) and a_0(980).
Achasov   +51 more
core   +1 more source

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