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Taste-changing in staggered quarks

โœ Scribed by Quentin Mason; Peter Lepage; Paul Mackenzie; Howard Trottier; Joachim Hein; Christine Davies; Eduardo Follana


Book ID
104354345
Publisher
Elsevier Science
Year
2003
Tongue
English
Weight
245 KB
Volume
119
Category
Article
ISSN
0920-5632

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โœฆ Synopsis


We present results from a systematic perturbative investigation of taste-changing in improved staggered quarks. We show one-loop taste-changing interactions can be removed perturbatively by an effective four-quark term and calculate the necessary coefficients.


๐Ÿ“œ SIMILAR VOLUMES


Improvement and taste symmetry breaking
โœ E. Follana; C. Davies; A. Hart; P. Lepage; Q. Masonv; H. Trottier ๐Ÿ“‚ Article ๐Ÿ“… 2004 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 231 KB

We compare several improved actions for staggered quarks. We study the effect of improvement on the taste changing interactions by calculating the splitting in the pion spectrum. We investigate the effect of the improvement on some topological properties.

BK from improved staggered quarks
โœ E. Gรกmiz; S. Collins; C.T.H. Davies; J. Shigemitsu; M. Wingate ๐Ÿ“‚ Article ๐Ÿ“… 2005 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 131 KB
Further Improvements to staggered quarks
โœ Eduardo Follana; Quentin Mason; Christine Davies; Kent Hornbostel; Peter Lepage; ๐Ÿ“‚ Article ๐Ÿ“… 2004 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 265 KB
Hadron spectrum with staggered dynamical
โœ Khalil M. Bitar; A.D. Kennedy; Weiqiang Liu; Thomas A. DeGrand; Steven Gottlieb; ๐Ÿ“‚ Article ๐Ÿ“… 1990 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 348 KB