Zobrazeno 1 - 10
of 18
pro vyhledávání: '"Julie Pagès"'
Publikováno v:
Journal of High Energy Physics, Vol 2024, Iss 5, Pp 1-15 (2024)
Abstract Field redefinitions are commonly used to reduce the number of operators in the Lagrangian by removing redundant operators and transforming to a minimal operator basis. We give a general argument that such field redefinitions, while leaving t
Externí odkaz:
https://doaj.org/article/7c7c4197f3144f79b939c45105e773e7
Publikováno v:
Journal of High Energy Physics, Vol 2024, Iss 2, Pp 1-25 (2024)
Abstract We derive a general formula for two-loop counterterms in Effective Field Theories (EFTs) using a geometric approach. This formula allows the two-loop results of our previous paper to be applied to a wide range of theories. The two-loop resul
Externí odkaz:
https://doaj.org/article/a5c1d2e0758e479cbe92d10d2ab8f2e2
Publikováno v:
Journal of High Energy Physics, Vol 2023, Iss 12, Pp 1-35 (2023)
Abstract We find a general formula for the two-loop renormalization counterterms of a scalar quantum field theory with interactions containing up to two derivatives, extending ’t Hooft’s one-loop result. The method can also be used for theories w
Externí odkaz:
https://doaj.org/article/39eddae345ae47f789f8b495fae40889
Publikováno v:
Journal of High Energy Physics, Vol 2023, Iss 11, Pp 1-31 (2023)
Abstract The geometry of field space governs on-shell scattering amplitudes. We formulate a geometric description of effective field theories which extends previous results for scalars and gauge fields to fermions. The field-space geometry reorganize
Externí odkaz:
https://doaj.org/article/aa080eb0f51e41f79fa1076abbb5d6c7
Publikováno v:
European Physical Journal C: Particles and Fields, Vol 83, Iss 7, Pp 1-18 (2023)
Abstract Studying the impact of new-physics models on low-energy observables necessitates matching to effective field theories at the relevant mass thresholds. We introduce the first public version of Matchete, a computer tool for matching weakly-cou
Externí odkaz:
https://doaj.org/article/bb86c28760f241fe8141b2c0393581eb
Publikováno v:
Journal of High Energy Physics, Vol 2023, Iss 2, Pp 1-35 (2023)
Abstract Effective Field Theory calculations used in countless phenomenological analyses employ dimensional regularization, and at intermediate stages of computations, the operator bases extend beyond the four-dimensional ones. The extra pieces — t
Externí odkaz:
https://doaj.org/article/50dec553982c4f3ab7093d868d56cbf7
Publikováno v:
Journal of High Energy Physics, Vol 2022, Iss 8, Pp 1-31 (2022)
Abstract Gauge models with massive vector leptoquarks at the TeV scale provide a successful framework for addressing the B-physics anomalies. Among them, the 4321 model has been considered as the low-energy limit of some complete theories of flavor.
Externí odkaz:
https://doaj.org/article/3dd874dd37724ca9b34c436f74707bbd
Publikováno v:
Journal of High Energy Physics, Vol 2022, Iss 3, Pp 1-20 (2022)
Abstract We investigate the flavour alignment conditions that New Physics (NP) models need to satisfy in order to address the (g − 2) μ anomaly and, at the same time, be consistent with the tight bounds from μ → eγ and τ → μγ. We analyse
Externí odkaz:
https://doaj.org/article/e8972213e36f49fc8d8830d9040928e2
Publikováno v:
Journal of High Energy Physics, Vol 2021, Iss 4, Pp 1-38 (2021)
Abstract We present SuperTracer, a Mathematica package aimed at facilitating the functional matching procedure for generic UV models. This package automates the most tedious parts of one-loop functional matching computations. Namely, the determinatio
Externí odkaz:
https://doaj.org/article/5e805d30c1cd4f429fc5107abd0a3ce5
Publikováno v:
Physics Letters B, Vol 820, Iss , Pp 136484- (2021)
We analyze the neutrino mass spectrum and discuss the extra-dimensional interpretation of a three-site Pati-Salam model which i) unifies all families of quark and leptons, ii) provides a natural description of the Standard Model Yukawa couplings, iii
Externí odkaz:
https://doaj.org/article/150d87c3d67e4acd8a987ca56003d807