One-loop matching of scotogenic model onto standard model effective field theory up to dimension 7

Article Physics, Multidisciplinary

From models to SMEFT and back?

Ilaria Brivio et al.

Summary: We present a global analysis of the Higgs and electroweak sector, utilizing the SMEFT framework and matched to a UV-completion. Our results highlight the complementarity between SMEFT and model-specific analyses.

SCIPOST PHYSICS (2022)

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Article Physics, Nuclear

Revisiting the scotogenic model with scalar dark matter

Ivania M. Avila et al.

Summary: The scotogenic model is analyzed in terms of its real scalar dark matter candidate, considering various constraints such as the observed relic abundance, direct and indirect detection searches, lepton flavour violating decays, and neutrino sector constraints. The possibility of detecting long-lived particles at colliders due to small mass differences between the dark matter and other states is discussed.

JOURNAL OF PHYSICS G-NUCLEAR AND PARTICLE PHYSICS (2022)

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Article Physics, Particles & Fields

One-loop matching conditions in neutrino effective theory

Tommy Ohlsson et al.

Summary: This article investigates matching conditions and threshold corrections between full and effective theories based on the type I seesaw mechanism. Using an intuitive Feynman diagrammatical approach, the amplitudes before and after integrating out heavy right-handed neutrinos at the matching scale are computed. The one-loop matching conditions between the full and the effective theories are derived. The matching conditions of the parameters are influenced by one-loop corrections to the corresponding vertices as well as wave function corrections for the Higgs and the lepton fields. The results are comparable to earlier results based on a functional approach.

NUCLEAR PHYSICS B (2022)

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Article Physics, Particles & Fields

One-loop matching of the type-II seesaw model onto the Standard Model effective field theory

Xu Li et al.

JOURNAL OF HIGH ENERGY PHYSICS (2022)

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Article Physics, Multidisciplinary

Matchmakereft: Automated tree-level and one-loop matching

Adrian Carmona et al.

Summary: Matchmakereft is a fully automated tool for computing the matching between arbitrary models and arbitrary effective theories. It utilizes Off-Shell matching method and employs diagrammatic methods and the background field method for gauge theories. Matchmakereft has been designed with generality, flexibility, and efficiency in mind, and can be applied to various tasks such as one-loop renormalization, translation between different Green bases, and checking the (Off-Shell) linear independence of operators in effective theories.

SCIPOST PHYSICS (2022)

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Article Physics, Multidisciplinary

Inert Higgs Dark Matter for CDF II W-Boson Mass and Detection Prospects

Yi-Zhong Fan et al.

Summary: The recent measurement of the W-boson mass at Fermilab suggests the presence of new multiplets beyond the standard model. The introduction of an additional scalar doublet can naturally handle the new W-boson mass and the lightest scalar in the doublet can play the role of dark matter.

PHYSICAL REVIEW LETTERS (2022)

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Article Physics, Particles & Fields

Interpreting electroweak precision data including the W-mass CDF anomaly

Alessandro Strumia

Summary: The study globally fits electroweak data and finds that new physics corrections can explain the anomaly in the W boson mass. Tree-level contributions from multi-TeV new physics can fit the anomaly compatibly with collider bounds, while loop-level contributions must be around the weak scale to fit the anomaly.

JOURNAL OF HIGH ENERGY PHYSICS (2022)

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Article Physics, Particles & Fields

Mapping the SMEFT to discoverable models

Ricardo Cepedello et al.

Summary: This paper presents a diagrammatic technique for constructing UV models that can generate specific SMEFT operators. It explores the potential discovery of relatively light particles through LHC direct searches in scenarios where the models only contribute to 4F operators at the one-loop order. The study also reveals an interesting interplay between indirect SMEFT and direct searches.

JOURNAL OF HIGH ENERGY PHYSICS (2022)

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Article Physics, Particles & Fields

Neutrino seesaw models at one-loop matching: discrimination by effective operators

Yong Du et al.

Summary: This article investigates the one-loop matching of type-I, -II, and -III seesaw models using the functional method and presents the results in both Green's and Warsaw bases. Although these models generate the same dimension-5 Weinberg operator, they can induce different types of dimension-6 effective operators that can be used for model discrimination. The study also finds significant threshold effects from one-loop matching, which allow for electroweak symmetry breaking radiatively in type-II seesaw but forbid it in type-I/-III models. An analytical criterion for such radiative symmetry breaking in type-II seesaw is derived. Furthermore, the indirect signatures from different types of dimension-6 operators at high-energy colliders, low-energy precision experiments, and forward physics facilities are investigated for model discrimination.

JOURNAL OF HIGH ENERGY PHYSICS (2022)

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Article Physics, Particles & Fields

SMEFT analysis of mW

Emanuele Bagnaschi et al.

Summary: This study uses the Fitmaker tool to fit the recent mW measurement with other data in SMEFT using linear order. The results show that including certain SMEFT operators could provide a better fit than the Standard Model. The study also discusses the possible single-field extensions that could generate these operators and analyzes the masses and couplings of these fields.

JOURNAL OF HIGH ENERGY PHYSICS (2022)

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Article Astronomy & Astrophysics

Effective comparison of neutrino-mass models

Rupert Coy et al.

Summary: New physics in the lepton sector has implications for neutrino masses, electroweak precision observables, charged-lepton flavor violation, and dipole moments. Effective field theory is a convenient formalism for comparing low-energy predictions of different models. By deriving the Wilson coefficients for representative models and considering various lepton observables, it becomes straightforward to understand the allowed parameter space for each model and discriminate between them. The Zee and leptoquark models are particularly relevant for explaining the muon g-2 anomaly.

PHYSICAL REVIEW D (2022)

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Article Physics, Particles & Fields

Lepton flavor violating Z and Higgs decays in the scotogenic model

Raghavendra Srikanth Hundi

Summary: In this study, we investigated lepton flavor violating decays of Z gauge boson and Higgs boson in the scotogenic model. We calculated the branching ratios for these decays and found that they can be significant after considering neutrino oscillation observables. However, the branching ratio results are suppressed after satisfying constraints from other experimental observations.

EUROPEAN PHYSICAL JOURNAL C (2022)

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Article Physics, Particles & Fields

Functional prescription for EFT matching

Timothy Cohen et al.

Summary: The streamlined prescription developed simplifies the one-loop functional matching formalism, eliminating the need for a prior determination of an Effective Field Theory (EFT) operator basis. It can be applied to any relativistic UV theory that contains generic interactions among scalar, fermion, and vector fields, including derivative couplings. As an example application, it can be used to match the singlet scalar extended Standard Model (SM) onto SMEFT.

JOURNAL OF HIGH ENERGY PHYSICS (2021)

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Article Physics, Particles & Fields

Universal scalar leptoquark action for matching

Athanasios Dedes et al.

Summary: This study presents a universal effective action for one-loop matching of all scalar leptoquarks, using UOLEA and covariant diagrams to evaluate Wilson coefficients directly. The technical approach includes using the newly developed method of evaluating supertraces to further validate results. The model with two scalar leptoquark fields is used as an application, performing a full matching onto SMEFT and calculating various observables, highlighting its phenomenological interest and providing an EFT benchmark for future automation.

JOURNAL OF HIGH ENERGY PHYSICS (2021)

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Article Physics, Particles & Fields

SuperTracer: a calculator of functional supertraces for one-loop EFT matching

Javier Fuentes-Martin et al.

Summary: SuperTracer is a Mathematica package designed to simplify the functional matching computations for generic UV models, automating tedious tasks. Users may still need to further reduce the output using various methods.

JOURNAL OF HIGH ENERGY PHYSICS (2021)

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Article Physics, Multidisciplinary

STrEAMlining EFT Matching

Timothy Cohen et al.

Summary: This paper presents STrEAM, a Mathematica package that calculates all functional supertraces when matching a generic UV model onto a relativistic Effective Field Theory. The package implements the covariant derivative expansion to automate the most tedious step of the streamlined functional matching prescription.

SCIPOST PHYSICS (2021)

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Article Physics, Particles & Fields

Integrating out heavy fields in the path integral using the background-field method: general formalism

Stefan Dittmaier et al.

Summary: This paper presents a general procedure for integrating heavy fields in the path integral, including one-loop contributions of heavy particles. Using the background-field formalism and expansion by regions, it achieves a transparent, flexible, and algorithmic description of one-loop effects. The method is illustrated by calculating potential non-decoupling effects of a heavy Higgs boson in a singlet Higgs extension of the Standard Model, emphasizing the importance of proper renormalization scheme for consistency in effective field theory construction.

EUROPEAN PHYSICAL JOURNAL C (2021)

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Article Astronomy & Astrophysics

Indirect detection constraints on the scotogenic dark matter model

T. de Boer et al.

Summary: Radiative seesaw models not only generate neutrino masses but also provide dark matter candidates. This study focuses on neutrino signals from dark matter particles captured in the Sun within the scotogenic model, showing that inelastic scattering can result in significant event rates in ICECUBE. Analysis suggests a lower limit on scalar coupling and limitations on model predictions in elastic scattering scenarios. Further tests on models with large dark matter mass and coannihilation are possible with ICECUBE analysis in the Galactic Center.

JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS (2021)

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Article Physics, Particles & Fields

A complete effective field theory for dark matter

Juan Carlos Criado et al.

Summary: This paper presents an effective field theory describing the interactions between the Standard Model and dark matter candidates. The framework includes non-redundant basis of gauge-invariant operators up to dimension six, allowing for a general description of the interactions. Specific examples illustrate the phenomenological use of this framework, highlighting the importance of non-renormalizable operators in certain cases.

JOURNAL OF HIGH ENERGY PHYSICS (2021)

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Article Physics, Particles & Fields

Complete one-loop matching of the type-I seesaw model onto the Standard Model effective field theory

Di Zhang et al.

Summary: In this paper, the complete one-loop matching of the Type-I seesaw model onto the Standard Model Effective Field Theory (SMEFT) is accomplished, resulting in 31 dimension-six operators in the Warsaw basis of the SMEFT. The Wilson coefficients of these operators are computed up to O(M-2), where M is the mass scale of heavy Majorana neutrinos. The effects of heavy Majorana neutrinos on low-energy phenomenology are explored through this one-loop matching, along with discussions on threshold corrections in the Standard Model and the coefficient of the dimension-five operator.

JOURNAL OF HIGH ENERGY PHYSICS (2021)

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Article Astronomy & Astrophysics

Complete set of dimension-nine operators in the standard model effective field theory

Hao-Lin Li et al.

Summary: In this study, a complete list of dimension-nine operators in the Standard Model effective field theory was presented using an automatic algorithm based on the amplitude-operator correspondence. The basis of operators was initially constructed based on Young tableau of an auxiliary SU(N) group and gauge groups, with redundancies removed, and further refined to include explicit flavor symmetries and independent monomial operators. This new form of operators provides advantages in eliminating flavor redundancies and identifying independent flavor-specified operators.

PHYSICAL REVIEW D (2021)

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Article Astronomy & Astrophysics

Complete set of dimension-eight operators in the standard model effective field theory

Hao-Lin Li et al.

Summary: Utilizing group theoretic techniques, we have systematically and automatically provided a complete list of the dimension-eight operator basis in the standard model effective field theory, adopting a new form of operators based on the irreducible representations of the Lorentz group and identifying Lorentz structures as states in an SU(N) group. By ensuring the independence and permutation symmetries of the operators, our approach facilitates the handling of complexity arising from repeated fields. The explicit form of independent flavor-specified operators has been presented for the first time, and our algorithm can be easily applied to higher-dimensional standard model effective field theory and other effective field theories, making these studies more accessible.

PHYSICAL REVIEW D (2021)

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Article Physics, Particles & Fields

Completing the scalar and fermionic universal one-loop effective action

Michael Kraemer et al.

JOURNAL OF HIGH ENERGY PHYSICS (2020)

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Effective field theory approach to lepton number violating decays K+7r+1+q: long-distance contribution

Yi Liao et al.

JOURNAL OF HIGH ENERGY PHYSICS (2020)

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One-loop matching in the SMEFT extended with a sterile neutrino

Mikael Chala et al.

JOURNAL OF HIGH ENERGY PHYSICS (2020)

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Matching scalar leptoquarks to the SMEFT at one loop

Valerio Gherardi et al.

JOURNAL OF HIGH ENERGY PHYSICS (2020)

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Functional methods for Heavy Quark Effective Theory

Timothy Cohen et al.

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Singlet night in Feynman-ville: one-loop matching of a real scalar (vol 04, 164, 2020)

Ulrich Haisch et al.

JOURNAL OF HIGH ENERGY PHYSICS (2020)

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Generalizing the Scotogenic model

Pablo Escribano et al.

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Phenomenology of scotogenic scalar dark matter

Ivania M. Avila et al.

EUROPEAN PHYSICAL JOURNAL C (2020)

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Observable gravitational waves in minimal scotogenic model

Debasish Borah et al.

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Shining light on the scotogenic model: interplay of colliders and cosmology

Sven Baumholzer et al.

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Extending low energy effective field theory with a complete set of dimension-7 operators

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Dimension-8 operators in the Standard Model Effective Field Theory

Christopher W. Murphy

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Renormalization group evolution of dimension-seven operators in standard model effective field theory and relevant phenomenology

Yi Liao et al.

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CoDEx: Wilson coefficient calculator connecting SMEFT to UV theory

Supratim Das Bakshi et al.

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TeV scale leptogenesis, inflaton dark matter, and neutrino mass in a scotogenic model

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MatchingTools: A Python library for symbolic effective field theory calculations

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Low-scale leptogenesis in the scotogenic neutrino mass model

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Probing the scotogenic FIMP at the LHC

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Extending the Universal One-Loop Effective Action: heavy-light coefficients

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Fermionic WIMPs and vacuum stability in the scotogenic model

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One-loop matching of scotogenic model onto standard model effective field theory up to dimension 7

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