2010

Systematic errors in extracting nucleon properties from lattice QCD

Capitani, Stefano, Della Morte, Michele, Knippschild, Bastian et al.

Understand

Form factors of the nucleon have been extracted from experiment with high precision.

However, lattice calculations have failed so far to reproduce the observed dependence of form factors on the momentum transfer.
We have embarked on a program to thoroughly investigate systematic effects in lattice calculation of the required three-point correlation functions.
Here we focus on the possible contamination from higher excited states and present a method which is designed to suppress them.

Built on

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Similar

A. Hasenfratz and F. Knechtli, Phys. Rev. D 64
2001
Cited alongside, same era.
M. Della Morte, R. Hoffmann, F. Knechtli, R. Sommer and U. Wolff, JHEP 0507
2005
Cited alongside, same era.
M. Luscher, JHEP 0305
Original
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C. Alexandrou et al
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2008
Cited alongside, same era.
https://twiki.cern.ch/twiki/bin/view/CLS/WebHome
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B. B. Brandt et al
Original
Cited in the paper.

Then

S. Capitani, M. Della Morte, E. Endress, A. Juttner, B. Knippschild, H. Wittig and M. Zambrana, PoS LAT2009
Original
2009
Later among the works it cites.
C. Alexandrou, Plenary talk at The XXVIII International Symposium on Lattice Field Theory, Lattice 2010, Villasimius, Sardinia, Italy, June, 2010
2010
Closest in time.
T. Yamazaki et al
Original
2039
Closest in time.

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