Dalitz Plot Analysis of Ds to K+K-pi+

Details Dalitz Plot Analysis of Ds to K+K-pi+ Dalitz Plot Analysis of Ds to K+K-pi+

2009-03-06

arxiv.org/abs/0903.1301v1

Phys.Rev.D79:072008,2009

Physics

High Energy Physics

High Energy Physics - Experiment

21 Pages,available through http://www.lns.cornell.edu/public/CLNS/, submitted to PRD

Scientific paper

10.1103/PhysRevD.79.072008

We perform a Dalitz plot analysis of the decay Ds to K+K-pi+ with the CLEO-c data set of 586/pb of e+e- collisions accumulated at sqrt(s) = 4.17 GeV. This corresponds to about 0.57 million D_s+D_s(*)- pairs from which we select 14400 candidates with a background of roughly 15%. In contrast to previous measurements we find good agreement with our data only by including an additional f_0(1370)pi+ contribution. We measure the magnitude, phase, and fit fraction of K*(892) K+, phi(1020)pi+, K0*(1430)K+, f_0(980)pi+, f_0(1710)pi+, and f_0(1370)pi+ contributions and limit the possible contributions of other KK and Kpi resonances that could appear in this decay.

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