Higgs and Effective Field Theory - HEFT 2026

Session

Matching and general EFTs

10 Jun 2026, 16:30

Jardí Botànic, Valencia

74. TBD

Pablo Olgoso

10/06/2026, 16:30

45. Dispersion relations in the dimension-six SMEFT

Guilherme Guedes

10/06/2026, 17:00

Dispersion relations connect low-energy EFT amplitudes to UV cross sections, resulting in theoretical constraints on the allowed space of Wilson coefficients. While at dimension eight they result in positivity conditions, at dimension six the indefinite sign of these relations makes it difficult to, a priori, extract useful information. In this work, we show that dispersion relations, when...

65. Matchete meets UFO

Felix Wilsch (RWTH Aachen University)

10/06/2026, 17:20

In this talk, we present a new setup for deriving Feynman rules in generic Beyond the Standard Model (BSM) scenarios, including Effective Field Theories (EFTs), based on the Matchete framework. The Feynman rules can be examined analytically or conveniently exported in the Universal Feynman Output (UFO) format, which can then be interpreted by Monte Carlo event generators. The integration of...

21. Anomalous Dimension of a General Effective Gauge Theory

Luigi C. Bresciani (University of Padova & INFN-PD)

10/06/2026, 17:40

I will present the classification of physical operators and the derivation of the complete set of one-loop anomalous dimensions for general EFTs up to dimension six, covering both the bosonic and fermionic sectors. Building on this classification, I will discuss the complete set of leading-order renormalization group equations, computed using unitarity-based on-shell techniques. This analysis...

61. From a general EFT to specific operator bases

Renato Fonseca (University of Granada)

10/06/2026, 18:00

Recent work on general effective field theories has provided a framework for the classification of operators in EFTs with arbitrary field content and symmetry structure. In this talk, I will discuss how this setup can be turned into a practical tool for constructing explicit operator bases in specific EFTs. The main idea is to start from the general operator classification and then specialize...

64. Automated Generation of Explicit Operator Bases for Arbitrary EFTs

JAVIER LÓPEZ MIRAS

10/06/2026, 18:20

Effective Field Theories (EFTs) are an indispensable framework for capturing the low-energy effects of heavy new physics. While powerful tools like basisgen use Hilbert series methods to elegantly enumerate the exact number of independent operators at a given mass dimension, constructing their explicit tensor forms remains a highly non-trivial and often manual task. This bottleneck complicates...