We have studied, with the KLOE detector at the DA Phi NE Phi-Factory, the dynamics of the decay eta -> pi(+) pi(-) pi(0) using eta mesons from the decay ->eta gamma for an integrated luminosity L = 450 pb(-1). From a fit to the Dalitz plot density distribution we obtain a precise measurement of the slope parameters. An alternative parametrization relates the pi(+) pi(-) pi(0) slopes to that for eta -> 3 pi degrees showing the consistency of KLOE results for both channels. We also obtain the best confirmation of the C-invariance in the eta -> pi(+) pi(-) pi(0) decay. RI Gauzzi, Paolo/D-2615-2009; valente, paolo/A-6640-2010; ANTONELLI, ANTONELLA/C-6238-2011; Fiore, Salvatore/C-9722-2011; Di Domenico, Antonio/G-6301-2011; De Lucia, Erika/D-2250-2011; branchini, paolo/A-4857-2011; Murtas, Fabrizio/B-5729-2012
DI MICCO, B. (2008). Determination eta -> pi(+) pi(-) pi(0) Dlitz plot slopes and asymmetries with the KLOE detector. JOURNAL OF HIGH ENERGY PHYSICS(5).
Determination eta -> pi(+) pi(-) pi(0) Dlitz plot slopes and asymmetries with the KLOE detector
DI MICCO, Biagio
2008-01-01
Abstract
We have studied, with the KLOE detector at the DA Phi NE Phi-Factory, the dynamics of the decay eta -> pi(+) pi(-) pi(0) using eta mesons from the decay ->eta gamma for an integrated luminosity L = 450 pb(-1). From a fit to the Dalitz plot density distribution we obtain a precise measurement of the slope parameters. An alternative parametrization relates the pi(+) pi(-) pi(0) slopes to that for eta -> 3 pi degrees showing the consistency of KLOE results for both channels. We also obtain the best confirmation of the C-invariance in the eta -> pi(+) pi(-) pi(0) decay. RI Gauzzi, Paolo/D-2615-2009; valente, paolo/A-6640-2010; ANTONELLI, ANTONELLA/C-6238-2011; Fiore, Salvatore/C-9722-2011; Di Domenico, Antonio/G-6301-2011; De Lucia, Erika/D-2250-2011; branchini, paolo/A-4857-2011; Murtas, Fabrizio/B-5729-2012I documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.
