We present a measurement of the slope parameter a for the eta -> 3 pi(0) decay with the KLOE experiment at the DA Phi NE phi-factory based on a background free sample of similar to 17 million eta mesons produced in phi radiative decays By fitting the event density in the Dalitz plot we determine alpha = -0 0301 +/- 0 0035stat(-0 0035)(+0 0022) syst The result is in agreement with recent measurements from hadro- and photo-production experiments (C) 2010 Elsevier BV All rights reserved
Measurement of the eta -> 3 pi(0) slope parameter alpha with the KLOE detector
DI DONATO, CAMILLA;
2010-01-01
Abstract
We present a measurement of the slope parameter a for the eta -> 3 pi(0) decay with the KLOE experiment at the DA Phi NE phi-factory based on a background free sample of similar to 17 million eta mesons produced in phi radiative decays By fitting the event density in the Dalitz plot we determine alpha = -0 0301 +/- 0 0035stat(-0 0035)(+0 0022) syst The result is in agreement with recent measurements from hadro- and photo-production experiments (C) 2010 Elsevier BV All rights reservedFile in questo prodotto:
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