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High statistics search for the θ+(1.54) pentaquark state

M. J. Longo et al. (HyperCP Collaboration)
Phys. Rev. D 70, 111101(R) – Published 1 December 2004

Abstract

We have searched for θ+(1.54)K0p decays using data from the 1999 run of the HyperCP experiment at Fermilab. We see no evidence for a narrow peak in the KS0p mass distribution near 1.54GeV/c among 106 000 KS0p candidates, and obtain an upper limit for the fraction of θ+(1.54) to KS0p candidates of <0.3% at 90% confidence.

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  • Received 8 October 2004

DOI:https://doi.org/10.1103/PhysRevD.70.111101

©2004 American Physical Society

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Vol. 70, Iss. 11 — 1 December 2004

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