The pentaquark in K-plus-d total cross section data

Details The pentaquark in K-plus-d total cross section data The pentaquark in K-plus-d total cross section data

2004-05-09

arxiv.org/abs/nucl-th/0405024v3

Phys.Rev.C70:045208,2004

Physics

Nuclear Physics

Nuclear Theory

10 pages, 5 figures Replaced to correct references, add and correct text. No change in content. More discussion of errors, inc

Scientific paper

10.1103/PhysRevC.70.045208

An analysis of $K^+$-d total cross section data is undertaken to explore possible effects of the recently observed resonance in the S=+1 hadronic system with mass around 1.55 GeV. It is found that a structure corresponding to the resonance is visible in the data. The width consistent with the observed deviation from background is found to be $0.9\pm 0.3$ MeV and the mass is $1.559\pm 0.003$ GeV/c$^2$ for spin-parity $\h^+$ and $1.547\pm0.002$\ GeV/c$^2$ for $\h^-$. The errors are one standard deviation and statistical only. \

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