Nucleon strangeness form factors and moments of PDF

URN to cite this document:: urn:nbn:de:bvb:355-epub-242721
DOI to cite this document:: 10.5283/epub.24272

Doi, Takumi ; Deka, Mridupawan ; Dong, Shao-Jing ; Draper, Terrence ; Keh-Fei, Liu ; Mankame, Devdatta ; Mathur, Nilmani ; Streuer, Thomas

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Date of publication of this fulltext: 14 May 2012 08:46

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Abstract

The calculation of the nucleon strangeness form factors from Nf = 2 + 1 clover fermion lattice QCD is presented. Disconnected insertions are evaluated using the Z(4) stochastic method, along with unbiased subtractions from the hopping parameter expansion. We find that increasing the number of nucleon sources for each configuration improves the signal significantly. We obtain Gs M(0) = ...