2+1 flavor QCD calculation of and
Proceedings of The XXVI International Symposium on Lattice Field Theory — PoS(LATTICE 2008)(2008)
摘要
We calculate the connected insertions of the nucleon three-point function to
study the first few moments of the unpolarized structure functions of the
nucleon. (The disconnected insertions are discussed elsewhere in these
proceedings). The calculation employs the CP-PACS/JLQCD 2+1 dynamical clover
fermions on a 16^3x32 lattice with lattice spacing a=0.1219 fm. The sequential
source technique, using non-zero and zero momentum point nucleon field as the
secondary source, is applied enabling a study of different currents at various
momentum transfer.
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关键词
structure function,momentum transfer,high energy physics
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