Document Type

Article

Publication Date

2007

Abstract

A high-resolution (σinstr.=1.5 MeV) search for narrow states (ΓMeV) with masses of Mx≈1500–1850 MeV in ep→eK+X,eK-X, and eπ+X electroproduction at small angles and low Q2 was performed. These states would be candidate partner states of the reported Θ+(1540) pentaquark. No statistically significant signal was observed in any of the channels at 90% C.L. Upper limits on forward production were determined to be between 0.8% and 4.9% of the Λ(1520) production cross section, depending on the channel and the assumed mass and width of the state.

DOI

10.1103/PhysRevC.75.055208

Version

Publisher's PDF

Comments

© 2007 The American Physical Society. The original publication is available at http://link.aps.org/doi/10.1103/PhysRevC.75.055208

Original Citation

Phys. Rev. C 75, 055208 (2007)

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