The anomaly cancellation is a basic property of the Standard Model, crucial for its consistence. We consider a lattice chiral gauge theory of massless Wilson fermions interacting with a non-compact massive U(1) field coupled with left- and right-handed fermions in four dimensions. We prove in the infinite volume limit, for weak coupling and inverse lattice step of the order of boson mass, that the anomaly vanishes up to subleading corrections and under the same condition as in the continuum. The proof is based on a combination of exact Renormalization Group, non-perturbative decay bounds of correlations and lattice symmetries.

Vanishing of the Anomaly in Lattice Chiral Gauge Theory / Mastropietro, Vieri. - In: ANNALES HENRI POINCARE'. - ISSN 1424-0637. - (2023), pp. 1-35. [10.1007/s00023-023-01274-5]

Vanishing of the Anomaly in Lattice Chiral Gauge Theory

Vieri Mastropietro
2023

Abstract

The anomaly cancellation is a basic property of the Standard Model, crucial for its consistence. We consider a lattice chiral gauge theory of massless Wilson fermions interacting with a non-compact massive U(1) field coupled with left- and right-handed fermions in four dimensions. We prove in the infinite volume limit, for weak coupling and inverse lattice step of the order of boson mass, that the anomaly vanishes up to subleading corrections and under the same condition as in the continuum. The proof is based on a combination of exact Renormalization Group, non-perturbative decay bounds of correlations and lattice symmetries.
2023
01 Pubblicazione su rivista::01a Articolo in rivista
Vanishing of the Anomaly in Lattice Chiral Gauge Theory / Mastropietro, Vieri. - In: ANNALES HENRI POINCARE'. - ISSN 1424-0637. - (2023), pp. 1-35. [10.1007/s00023-023-01274-5]
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11573/1720718
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