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|Title:||Nucleon structure functions from operator product expansion on the lattice|
|Citation:||Physical Review Letters, 2017; 118(24):242001-1-242001-5|
|Publisher:||American Physical Society|
|A. J. Chambers, R. Horsley, Y. Nakamura, H. Perlt, P. E. L. Rakow, G. Schierholz, A. Schiller, K. Somfleth, R. D. Young, and J. M. Zanotti (QCDSF Collaboration)|
|Abstract:||Deep-inelastic scattering, in the laboratory and on the lattice, is most instructive for understanding how the nucleon is built from quarks and gluons. The long-term goal is to compute the associated structure functions from first principles. So far this has been limited to model calculations. In this Letter we propose a new method to compute the structure functions directly from the virtual, all-encompassing Compton amplitude, utilizing the operator product expansion. This overcomes issues of renormalization and operator mixing, which so far have hindered lattice calculations of power corrections and higher moments.|
|Rights:||© 2017 American Physical Society|
|Appears in Collections:||Aurora harvest 8|
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