> <

> ||<:20%#eeeeee>'''Abbrev.'''||<:15%#eeeeee>'''$c_1$'''||<:#eeeeee>'''Description''' || || Wilson || 0 || Wilson plaquette action || || tlSym || -1/12 || tree-level Symanzik-improved gauge action || || tadSym || variable || tadpole Symanzik-improved gauge action || || Iwasaki || −0.331 || Renormalisation group improved (“Iwasaki”) action|| || DBW2 || −1.4088 || Renormalisation group improved (“DBW2”) action || The leading lattice artefacts are $O(a^2)$ or better for all discretisations. ==== References ==== <

> <

> <

> Summary of simulated lattice actions with $N_f = 2$ quark flavours. ||<:30%#eeeeee tablestyle="width: 70%;"> ||<:15%#eeeeee>'''Ref.''' ||<:#eeeeee>'''$N_f$''' ||<:#eeeeee>'''gauge action''' ||<:#eeeeee>'''quark action''' || || ALPHA 05 ||<:> [[http://arXiv.org/abs/hep-lat/0507035|37]] ||<:> 2 ||<:> Wilson ||<:> npSW || || Bernardoni 10 ||<:> [[http://arXiv.org/abs/1008.1870|38]] ||<:> 2 ||<:> Wilson ||<:> npSW ^A)^ || || CERN-TOV 06 ||<:> [[http://arXiv.org/abs/hep-lat/0610059|39]] ||<:> 2 ||<:> Wilson ||<:> Wilson/npSW || || CERN 08 ||<:> [[http://arXiv.org/abs/0812.3638|40]] ||<:> 2 ||<:> Wilson ||<:> Wilson/npSW || || CP-PACS 01 ||<:> [[http://arXiv.org/abs/hep-lat/0105015|41]] ||<:> 2 ||<:> Iwasaki ||<:> mfSW || || ETM 07, 07A, 08, 09, 09A-D, 10B, D ||<:> [[http://arXiv.org/abs/0709.4574|42]], [[http://arXiv.org/abs/hep-lat/0701012|43]], [[http://arXiv.org/abs/0812.4042|44]], [[http://arXiv.org/abs/0904.0954|45]], [[http://arXiv.org/abs/0906.4728|46]], [[http://arXiv.org/abs/0911.5061|47]], [[http://arXiv.org/abs/0911.1931|48]], [[http://arXiv.org/abs/0910.4838|49]], [[http://arXiv.org/abs/1012.3573|50]], [[http://arXiv.org/abs/1010.3659|51]] ||<:> 2 ||<:> tlSym ||<:> tmWil || || HHS 08 ||<:> [[http://arXiv.org/abs/0806.4586|52]] ||<:> 2 ||<:> tadSym ||<:> n-HYP tlSW || || JLQCD 08 ||<:> [[http://arXiv.org/abs/0801.4186|53]] ||<:> 2 ||<:> Iwasaki ||<:> overlap || || JLQCD 02, 05 ||<:> [[http://arXiv.org/abs/0806.0894|54]], [[http://arXiv.org/abs/hep-lat/0510068|55]] ||<:> 2 ||<:> Wilson ||<:> npSW || || JLQCD/TWQCD 07, 08A ||<:> [[http://arXiv.org/abs/hep-lat/0212039|56]], [[http://arXiv.org/abs/0711.4965|57]] ||<:> 2 ||<:> Iwasaki ||<:> overlap || || QCDSF 07 ||<:> [[http://arXiv.org/abs/0710.2100|58]] ||<:> 2 ||<:> Wilson ||<:> npSW || || QCDSF/UKQCD 04, 06, 06A, 07 ||<:> [[http://arXiv.org/abs/hep-lat/0601004|59]], [[http://arXiv.org/abs/hep-ph/0409312|60]], [[http://www.physik.uni-regensburg.de/lat07/hevea/schierholz.pdf|61]], [[http://arXiv.org/abs/hep-lat/0608021|62]] ||<:> 2||<:> Wilson ||<:> npSW || || RBC 07 ||<:> [[http://arXiv.org/abs/0708.0484|63]] ||<:> 2 ||<:> DBW2 ||<:> DW || || RBC 04, 06 ||<:> [[http://arXiv.org/abs/hep-ph/0607162|64]], [[http://arXiv.org/abs/hep-lat/0411006|65]] ||<:> 2 ||<:> DBW2 ||<:> DW || || SPQcdR 05 ||<:> [[http://arXiv.org/abs/hep-lat/0510014|66]] ||<:> 2 ||<:> Wilson ||<:> Wilson || || UKQCD 04, 07 ||<:> [[http://arXiv.org/abs/0710.5136|67]], [[http://arXiv.org/abs/hep-lat/0406013|68]] ||<:> 2 ||<:> Wilson ||<:> npSW || ^A)^ The calculation uses overlap fermions in the valence quark sector.