Flavor Singlet Axial Coupling of the Proton - An Updated Analysis
Nucl.Phys.Proc.Suppl. 83 (2000) 259-261 We present a combined analysis of SESAM and TxL data for the flavor singlet axial coupling G_A^1 of the proton, which is very helpful to stabilize the disconnected signals at small quark masses. From connected and disconnected contributions we use the tadpole...
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| Sprache: | eng |
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| Zusammenfassung: | Nucl.Phys.Proc.Suppl. 83 (2000) 259-261 We present a combined analysis of SESAM and TxL data for the flavor singlet
axial coupling G_A^1 of the proton, which is very helpful to stabilize the
disconnected signals at small quark masses.
From connected and disconnected contributions we use the tadpole improved
renormalization constant Z_A and obtain G_A^1=0.21(12). |
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| DOI: | 10.48550/arxiv.hep-lat/9910001 |