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Non-perturbative renormalisation of composite operators

โœ Scribed by G. Martinelli; M. Paciello; S. Petrarca; C. Pittori; C.T. Sachrajda; B. Taglienti; M. Testa; A. Vladikas


Book ID
113393112
Publisher
Elsevier Science
Year
1994
Tongue
English
Weight
242 KB
Volume
34
Category
Article
ISSN
0920-5632

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Non-perturbative renormalisation of four
โœ D. Becยดirevicยด; V. Gimeยดnez; V. Lubicz; G. Martinelli; M. Papinutto; J. Reyes ๐Ÿ“‚ Article ๐Ÿ“… 2003 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 251 KB

We present new results for the renormalisation and subtraction constants for the four fermion AF = 2 operators, computed non-perturbatively in the RI-MOM scheme (in the Landau gauge). From our preliminary analysis of the lattice data at p = 6.45, for the B" -B" mixing bag-parameter we obtain BEG' =