Photoproduction and mixing effects of scalar a0 and f0 mesons

Abstract

The photoproduction processes gp-->a0(980)p and gp-->f0(980)p at energies close to threshold are considered. These reactions are studied in the ππp, πηp, and K-barK p channels. Production cross sections are estimated in different models. The role of the a0^0-f0 mixing is examined in the invariant ππ-,πη-, and K-barK-mass spectra.

18 pages, 9 figures, 1 table; v2: added some refs

References in corpus (10)

• The puzzle of anomalously large isospin violations in $\eta (1405/1475)\to 3\pi$
• First observation of $\eta (1405)$ decays into $f_0(980){\pi }^0$
• Isospin breaking and $f_0(980)$-$a_0(980)$ mixing in the $\eta (1405)\to {\pi }^0{f}_0(980)$ reaction
• Two-photon decays of hadronic molecules
• Possibility of measuring a0(980)-f0(980) mixing from J/psi -> phi a0
• Investigation of a0-f0 mixing
• Lightest scalar and tensor resonances in $\gamma \gamma \to \pi \pi$ after the Belle experiment
• Study of a0(980)--f0(980) mixing
• Isospin violation in J/Psi to phi pi0 eta decay and the f0-a0 mixing
• Scalar Meson Photoproduction

Cited by in corpus (6)

• Search for the $a_0(980)-f_0(980)$ mixing in weak decays of $D_s/B_s$ mesons
• $f_0(980)$ production in $D_s^{+}\to {\pi }^{+}{\pi }^{+}{\pi }^{-}$ and $D_s^{+}\to {\pi }^{+}{K}^{+}{K}^{-}$ decays
• The $D_s^{+}\to a_0(980)e^{+}{\nu }_e$ reaction and the $a_0(980)-f_0(980)$ mixing
• Study of $a_0^0(980)$-$f_0(980)$ mixing from $a_0(1450)\to a_0^0(980)f_0(500)\to {\pi }^{+}{\pi }^{-}{f}_0(500)$
• Photoproduction of $f_0(980)$ and $f_0(1500)$ resonances off a proton target
• The ${\bar{B}}_s^0\to J/\psi {\pi }^0\eta$ decay and the $a_0(980)-f_0(980)$ mixing