Measurement of the Slope Parameter for the eta->3pi0 Decay in the pp->pp eta Reaction

Details Measurement of the Slope Parameter for the eta->3pi0 Decay in the pp->pp eta Reaction Measurement of the Slope Parameter for the eta->3pi0 Decay in the pp->pp eta Reaction

2007-08-15

arxiv.org/abs/0708.2014v1

Phys.Rev.C76:048201,2007

Physics

Nuclear Physics

Nuclear Experiment

4 pages, 7 Postscript figures, uses revtex4.sty

Scientific paper

10.1103/PhysRevC.76.048201

The CELSIUS/WASA setup is used to measure the 3pi0 decay of eta mesons produced in pp interactions with beam kinetic energies of 1.36 and 1.45 GeV. The efficiency-corrected Dalitz plot and density distributions for this decay are shown, together with a fit of the quadratic slope parameter alpha yielding alpha = -0.026 +/- 0.010(stat) +/- 0.010(syst). This value is compared to recent experimental results and theoretical predictions.

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