85 citations · 355 across the 21 of their papers we have counts for
24 papers
Probing Lepton Flavor Violation at FCC-ee
L. Allwicher, R. Bartocci, M. Cepeda +7
We investigate the prospects for probing Lepton Flavor Violation (LFV) at FCC-ee within the Standard Model Effective Field Theory (SMEFT) framework. The approximately $2 \times 10^…
New measurements in leptonic kaon and pion decays: experimental and theoretical perspectives
Lukas Allwicher, Stefan Alexandru Ghinescu, Federico Mescia +2
We study the future prospects for precision measurements of purely leptonic charged-current kaon and pion decays. Together with the ratio of leptonic widths $R_K^ν=Γ(K\to eν)/Γ(K\t…
Implications of for new physics in decays
Lukas Allwicher, Marzia Bordone
The new measurement of the branching ratio by the NA62 collaboration represents an important milestone in precision flavour physics. Under different flavour assum…
Could electron-top interactions spoil the measurement of the Higgs trilinear? -A quantitative estimate at future lepton colliders-
Lukas Allwicher, Christophe Grojean, Lucine Tabatt
The measurement of the Higgs self-coupling is considered the next milestone in the study of the Higgs boson properties. At future facilities below the double Higgs product…
The Price of a Large Electron Yukawa Modification
Lukas Allwicher, Matthew McCullough, Sophie Renner +2
The theoretical implications of an electron Yukawa modification are considered in the context of a possible Higgs pole run at FCC-ee, aimed at bounding this coupling. We start from…
Future Circular Collider Feasibility Study Report: Volume 2, Accelerators, Technical Infrastructure and Safety
M. Benedikt, F. Zimmermann, B. Auchmann +1461
In response to the 2020 Update of the European Strategy for Particle Physics, the Future Circular Collider (FCC) Feasibility Study was launched as an international collaboration ho…
Future Circular Collider Feasibility Study Report: Volume 3, Civil Engineering, Implementation and Sustainability
M. Benedikt, F. Zimmermann, B. Auchmann +1461
Volume 3 of the FCC Feasibility Report presents studies related to civil engineering, the development of a project implementation scenario, and environmental and sustainability asp…
Future Circular Collider Feasibility Study Report: Volume 1, Physics, Experiments, Detectors
M. Benedikt, F. Zimmermann, B. Auchmann +1461
Volume 1 of the FCC Feasibility Report presents an overview of the physics case, experimental programme, and detector concepts for the Future Circular Collider (FCC). This volume o…
Flavored Circular Collider: cornering New Physics at FCC-ee via flavor-changing processes
Lukas Allwicher, Gino Isidori, Marko Pesut
We illustrate the potential of a future high-intensity collider running at the pole in probing extensions of the Standard Model via precise measurements of flavor-cha…
On the EFT validity for Drell-Yan tails at the LHC
Lukas Allwicher, Darius A. Faroughy, Matheus Martines +2
In this article, we examine the validity range of the Effective Field Theory (EFT) description of high-energy Drell-Yan processes at the LHC. To this purpose, we consider explicit…
Probing third-generation New Physics with and
Lukas Allwicher, Marzia Bordone, Gino Isidori +2
The recent observation of the decay by NA62 is an important milestone in precision flavor physics. Together with evidence of reported by Be…
New Physics at Tera-: Precision Renormalised
Lukas Allwicher, Matthew McCullough, Sophie Renner
We study the power of a Tera- run at FCC-ee for indirectly detecting or constraining heavy new physics. Our main finding is that nearly every new particle which matches at tree…
New Physics in the Third Generation: A Comprehensive SMEFT Analysis and Future Prospects
Lukas Allwicher, Claudia Cornella, Gino Isidori +1
We present a comprehensive analysis of electroweak, flavor, and collider bounds on the complete set of dimension-six SMEFT operators in the -symmetric limit. This operator…
Understanding the first measurement of
Lukas Allwicher, Damir Becirevic, Gioacchino Piazza +2
Recently, Belle II reported on the first measurement of which appears to be almost larger than predicted in the Standard Model. We point o…
Computing Tools for Effective Field Theories
Jason Aebischer, Matteo Fael, Javier Fuentes-Martín +30
In recent years, theoretical and phenomenological studies with effective field theories have become a trending and prolific line of research in the field of high-energy physics. In…
Third-Family Quark-Lepton Unification and Electroweak Precision Tests
Lukas Allwicher, Gino Isidori, Javier M. Lizana +2
We analyze the compatibility of the hypothesis of third-family quark-lepton unification at the TeV scale with electroweak precision data, lepton flavor universality tests, and high…
HighPT: A Tool for high- Drell-Yan Tails Beyond the Standard Model
Lukas Allwicher, Darius. A. Faroughy, Florentin Jaffredo +2
HighPT is a Mathematica package for the analysis of high-energy data of semileptonic transitions at hadron colliders. It allows to compute high- tail observables for semilepto…
Lepton Flavour Universality in decays
Lukas Allwicher, Nudžeim Selimović
The evidence for Lepton Flavour Universality (LFU) violation in semileptonic -decays has been rising over the past few years. Relying on generic effective field theory (EFT) res…
Drell-Yan Tails Beyond the Standard Model
Lukas Allwicher, Darius A. Faroughy, Florentin Jaffredo +2
We investigate the high- tails of the and Drell-Yan processes as probes of New Physics in semileptonic interactions with an arbitrary flavor…
-physics anomalies: EFT analyses and simplified models
Lukas Allwicher
We discuss some theoretical aspects related to the -anomalies, both for the neutral current and the charged current anomalies. A possible combined explanation within an EFT fram…
Perturbative unitarity constraints on generic Yukawa interactions
Lukas Allwicher, Pere Arnan, Daniele Barducci +1
We study perturbative unitarity constraints on generic Yukawa interactions where the involved fields have arbitrary quantum numbers under an group. W…
LFU violations in leptonic decays and B-physics anomalies
Lukas Allwicher, Gino Isidori, Nudzeim Selimovic
We present a complete analysis of Lepton Flavor Universality (LFU) violations in leptonic decays in motivated models addressing the -physics anomalies, based on the $SU(4)\t…
What is the scale of new physics behind the muon ?
Lukas Allwicher, Luca Di Luzio, Marco Fedele +2
We study the constraints imposed by perturbative unitarity on the new physics interpretation of the muon anomaly. Within a Standard Model Effective Field Theory (SMEFT) appro…
Stability of the Higgs Sector in a Flavor-Inspired Multi-Scale Model
Lukas Allwicher, Gino Isidori, Anders Eller Thomsen
We analyze the stability of the Higgs sector of a three-site model with flavor-non-universal gauge interactions, whose spectrum of non-Standard-Model states spans three orders of m…