Eur. Phys. J. A (2011) 47: 68
https://doi.org/10.1140/epja/i2011-11068-5

Regular Article - Experimental Physics

Measurement of the f₁(1285) → π⁺π⁻π⁰ decay

¹ Institute for High Energy Physics, Protvino, Russia
² Moscow Institute of Physics and Technology, Moscow, Russia

^* e-mail: Yury.Khokhlov@ihep.ru

Received: 17 October 2010
Revised: 29 March 2011
Accepted: 13 April 2011
Published online: 30 May 2011

Abstract

The isospin symmetry-breaking (ISB) decay f ₁(1285) → π⁺π⁻π⁰ has been studied at the VES facility. The branching ratio is measured: . An upper limit for the f ₁ decay into ρ(770)π is obtained: BR(f ₁(1285) → ρ ⁺⁻π⁻⁺) < 0.31% at 95% CL.