Pentaquark Searches
Abstract
Current evidence does not favor the existence of the pentaquark, which was reported by several groups in the years after 2002. The question naturally arises: how could many groups could have seen fluctuations in their data at the level of 3-5 σ statistical significance? An example of a statistical fluctuation is given and the number of σ's necessary for claims of discovery are examined. Using this guideline, a possible answer to the above question is presented.
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