Can low-lying Roper states be explained as antidecuplet members?
classification
✦ hep-ph
hep-exhep-latnucl-th
keywords
diquarklow-lyingroperscalarstatesanomalouslyantidecupletantiquark
read the original abstract
It is shown that the anomalously low-lying Roper states cannot be assigned as pentaquarks with the scalar diquark - scalar diquark - antiquark structure as suggested by Jaffe and Wilczek.
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