QCD sum rules yield masses for I=0 negative-parity udsc c-bar pentaquarks that match the P_cs(4338) and P_cs(4459) states.
Title resolution pending
3 Pith papers cite this work. Polarity classification is still indexing.
3
Pith papers citing it
fields
hep-ph 3representative citing papers
QCD sum rules applied to new color-bar3-bar3-bar3 currents give mass predictions for qssc anti-c pentaquarks with IJ^P = 1/2 1/2^-, 1/2 3/2^- and 1/2 5/2^-, indicating they are not scalar-diquark-scalar-diquark-antiquark states.