TY - JOUR
T1 - Chiral-loop and vector-meson contributions to η → ππγγ decays
AU - Ametller, Ll
AU - Bijnens, J.
AU - Bramon, A.
AU - Talavera, P.
PY - 1997/5/15
Y1 - 1997/5/15
N2 - The process η → π0π0γγ is discussed in Chiral Perturbation Theory (ChPT). Special attention is devoted to one-loop corrections, η-η1 mixing effects and vector-meson dominance of ChPT counter-terms. The less interesting η → π+π- transition is briefly discussed too. © 1997 Elsevier Science B.V.
AB - The process η → π0π0γγ is discussed in Chiral Perturbation Theory (ChPT). Special attention is devoted to one-loop corrections, η-η1 mixing effects and vector-meson dominance of ChPT counter-terms. The less interesting η → π+π- transition is briefly discussed too. © 1997 Elsevier Science B.V.
U2 - https://doi.org/10.1016/S0370-2693(97)00378-X
DO - https://doi.org/10.1016/S0370-2693(97)00378-X
M3 - Article
SN - 0370-2693
VL - 400
SP - 370
EP - 378
JO - Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
JF - Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
ER -