Bayesian Analysis of Pentaquark Signals from CLAS Data

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ID: 267395
2008
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Abstract
We examine the results of two measurements by the CLAS collaboration, one of which claimed evidence for a ${\ensuremath{\Theta}}^{+}$ pentaquark, while the other found no such evidence. The unique feature of these two experiments was that they were performed with the same experimental setup. Using a Bayesian analysis, we find that the results of the two experiments are in fact compatible with each other, but that the first measurement did not contain sufficient information to determine unambiguously the existence of a ${\ensuremath{\Theta}}^{+}$. Further, we suggest a means by which the existence of a new candidate particle can be tested in a rigorous manner.
Reference Key
2008physicalbayesian Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors
Journal physical review letters
Year 2008
DOI
doi:10.1103/PhysRevLett.100.052001
URL
https://doi.org/10.1103/physrevlett.100.052001
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