The strangeness content of the nucleon
C. Michael, C. McNeile, D. Hepburn, UKQCD Collaboration
Abstract
We evaluate the matrix element of q q in hadron states on a lattice. We find substantial mixing of the connected and disconnected contributions so that the lattice result that the disconnected contribution to the nucleon is large does not imply that the s s content is large. This has implications for dark matter searches.
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