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Nucleon decay matrix elements for domain-wall fermions

โœ Scribed by Yasumichi Aoki

Publisher
Elsevier Science
Year
2003
Tongue
English
Weight
118 KB
Volume
119
Category
Article
ISSN
0920-5632

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โœฆ Synopsis

We report on the nucleon decay matrix elements with domain-wall fermions in quenched approximation. Results from direct and indirect method are compared with a focus on the process of a proton decaying to a pion and a lepton. We discuss the renormalization necessary for the matching to the continuum theory. Preliminary results for the renormalized chiral lagrangian parameters are presented.

๐Ÿ“œ SIMILAR VOLUMES

Nucleon structure from lattice QCD with
Nucleon structure from lattice QCD with domain wall fermions
โœ Shigemi Ohta ๐Ÿ“‚ Article ๐Ÿ“… 2004 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 610 KB

We report the current status of RBCK calculations on nucleon structure with both quenched and unquenched lattice &CD. The combination of domain wall fermions and DBW2 gauge action works well for quantities like isovector vector and axial charges, moments of structure functions (ST),, dl, and (l)ap,