225 citations · 645 across the 19 of their papers we have counts for
19 papers
An introduction to gauge theories and group theory in particle physics
Hao-Lin Li, Hao Sun, Ming-Lei Xiao +1
In this review, the fundamental concepts of group theory and representation theory are introduced. Special emphasis is placed on the unitary irreducible representations of the $SU(…
Complete UV Resonances of the Dimension-8 SMEFT Operators
Hao-Lin Li, Yu-Han Ni, Ming-Lei Xiao +1
The effective field theory approach parameterizes the low energy behaviors of all possible ultraviolet (UV) theories in a systematic way. One of the most important tasks is thus to…
On-shell Operator Construction in the Effective Field Theory of Gravity
Hao-Lin Li, Zhe Ren, Ming-Lei Xiao +2
We construct the on-shell amplitude basis and the corresponding effective operators for generic modified gravity theory, such as pure gravity with higher derivatives, scalar-tensor…
Theory Techniques for Precision Physics -- Snowmass 2021 TF06 Topical Group Report
Radja Boughezal, Zoltan Ligeti, Wolfgang Altmannshofer +26
The wealth of experimental data collected at laboratory experiments suggests that there is some scale separation between the Standard Model (SM) and phenomena beyond the SM (BSM).…
Theoretical developments in the SMEFT at dimension-8 and beyond
Simone Alioli, Radja Boughezal, Weiguang Cao +24
In this contribution to the Snowmass 2021 process we review theoretical developments in the Standard Model Effective Field Theory (SMEFT) with a focus on effects at the dimension-8…
The Bottom-Up EFT: Complete UV Resonances of the SMEFT Operators
Hao-Lin Li, Yu-Han Ni, Ming-Lei Xiao +1
The standard model effective field theory (SMEFT) provides systematic parameterization of all possible new physics above the electroweak scale. According to the amplitude-operator…
Operators For Generic Effective Field Theory at any Dimension: On-shell Amplitude Basis Construction
Hao-Lin Li, Zhe Ren, Ming-Lei Xiao +2
We describe a general procedure to construct the independent and complete operator bases for generic Lorentz invariant effective field theories, given any kind of gauge symmetry an…
Revisiting Dark Matter Freeze-in and Freeze-out through Phase-Space Distribution
Yong Du, Fei Huang, Hao-Lin Li +2
We revisit dark-matter production through freeze-in and freeze-out by solving the Boltzmann equations at the level of the phase-space distribution . Using the annih…
What can we learn from the total width of the Higgs boson?
Qing-Hong Cao, Hao-Lin Li, Ling-Xiao Xu +1
As one of the key properties of the Higgs boson, the Higgs total width is sensitive to global profile of the Higgs boson couplings, and thus new physics would modify the Higgs widt…
Exploring SMEFT Induced Non-Standard Interactions from COHERENT to Neutrino Oscillations
Yong Du, Hao-Lin Li, Jian Tang +2
We investigate the prospects of next-generation neutrino oscillation experiments DUNE, T2HK and JUNO including TAO within Standard Model Effective Field Theory (SMEFT). We also re-…
Operator Bases in Effective Field Theories with Sterile Neutrinos:
Hao-Lin Li, Zhe Ren, Ming-Lei Xiao +2
We obtain the complete and independent bases of effective operators at mass dimension 5, 6, 7, 8, 9 in both standard model effective field theory with light sterile right-handed ne…
Depicting the Landscape of Generic Effective Field Theories
Hao-Lin Li, Jing Shu, Ming-Lei Xiao +1
We describe a general framework to depict the space of Lorentz invariant effective field theories, which we call the landscape, given any kind of gauge symmetry and field content.…
Low Energy Effective Field Theory Operator Basis at
Hao-Lin Li, Zhe Ren, Ming-Lei Xiao +2
We obtain the complete operator bases at mass dimensions 5, 6, 7, 8, 9 for the low energy effective field theory (LEFT), which parametrize various physics effects between the QCD s…
Precision Higgs Couplings in Neutral Naturalness Models: an Effective Field Theory Approach
Lucien Heurtier, Hao-Lin Li, Huayang Song +3
The Higgs sector in neutral naturalness models provides a portal to the hidden sectors, and thus measurements of Higgs couplings at current and future colliders play a central role…
Complete Set of Dimension-9 Operators in the Standard Model Effective Field Theory
Hao-Lin Li, Zhe Ren, Ming-Lei Xiao +2
We present a complete and independent list of the dimension 9 operator basis in the Standard Model effective field theory by an automatic algorithm based on the amplitude-operator…
Freeze-in Dark Matter from Secret Neutrino Interactions
Yong Du, Fei Huang, Hao-Lin Li +1
We investigate a simplified freeze-in dark-matter model in which the dark matter only interacts with the standard-model neutrinos via a light scalar. The extremely small coupling f…
Complete Set of Dimension-8 Operators in the Standard Model Effective Field Theory
Hao-Lin Li, Zhe Ren, Jing Shu +3
We present a complete list of the dimension 8 operator basis in the standard model effective field theory using group theoretic techniques in a systematic and automated way. We ado…
Implications of hidden gauged model for anomalies
Kaori Fuyuto, Hao-Lin Li, Jiang-Hao Yu
We propose a hidden gauged model to explain deviations from the Standard Model (SM) values in lepton flavor universality known as and anomalies. The …
Exploring Extended Scalar Sectors with Di-Higgs Signals: A Higgs EFT Perspective
Tyler Corbett, Aniket Joglekar, Hao-Lin Li +1
We consider extended scalar sectors of the Standard Model as ultraviolet-complete motivations for studying the effective Higgs self-interaction operators of the Standard Model effe…