Work

Large $$N_\mathrm{f}$$ for multiple representations

Year: 2021

Type: article

Abstract: We present an extension of the large- $$N_\mathrm{f}$$ N f formalism that allows one to study cases with multiple fermion representations. The pole structure in the beta function is traced back to the intrinsic non-abelian nature of the gauge group, independently from the fermion representation. This result validates the conjectured existence of an interactive UV fixed point for non-abelian gauge theories with large fermion multiplicity. Finally, we apply our results to chiral gauge theories.

Source: The European Physical Journal C

DOI: 10.1140/epjc/s10052-021-09257-8

Authors: Giacomo Cacciapaglia, Shahram Vatani

Institutions: Lyon 1 Université, Centre National de la Recherche Scientifique, Institut National de Physique Nucléaire et de Physique des Particules, Institut de Physique des 2 Infinis de Lyon

Language: English

Topic: Particle physics theoretical and experimental studies

Subfield: Nuclear and High Energy Physics

Field: Physics and Astronomy

Domain: Physical Sciences

Open Access status: diamond

Funders: Institut des Origines de Lyon, Agence Nationale de la Recherche

Awards: G5784804757, G7240651115, G833113158, Lyon Institute of Origins