Hilbert series, the Higgs mechanism, and HEFT
L Gráf, B Henning, X Lu, T Melia… - Journal of High Energy …, 2023 - Springer
A bstract We expand Hilbert series technologies in effective field theory for the inclusion of
massive particles, enabling, among other things, the enumeration of operator bases for non …
massive particles, enabling, among other things, the enumeration of operator bases for non …
Standard Model EFTs via on-shell methods
MA Huber, S De Angelis - Journal of High Energy Physics, 2021 - Springer
A bstract We present the Standard Model Effective Field Theories (SMEFT) from purely on-
shell arguments. Starting from few basics assumptions such as Poincaré invariance and …
shell arguments. Starting from few basics assumptions such as Poincaré invariance and …
Operators for generic effective field theory at any dimension: on-shell amplitude basis construction
HL Li, Z Ren, ML Xiao, JH Yu, YH Zheng - Journal of High Energy Physics, 2022 - Springer
A bstract 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 …
operator bases for generic Lorentz invariant effective field theories, given any kind of gauge …
Tidal effects for spinning particles
R Aoude, K Haddad, A Helset - Journal of High Energy Physics, 2021 - Springer
A bstract Expanding on the recent derivation of tidal actions for scalar particles, we present
here the action for a tidally deformed spin-1/2 particle. Focusing on operators containing two …
here the action for a tidally deformed spin-1/2 particle. Focusing on operators containing two …
Unitarity violation and the geometry of Higgs EFTs
A bstract We derive the scale of unitarity violation from the geometry of Effective Field Theory
(EFT) extensions of the Standard Model Higgs sector. The high-energy behavior of …
(EFT) extensions of the Standard Model Higgs sector. The high-energy behavior of …
An EFT hunter's guide to two-to-two scattering: HEFT and SMEFT on-shell amplitudes
H Liu, T Ma, Y Shadmi, M Waterbury - Journal of High Energy Physics, 2023 - Springer
A bstract We derive the contact terms contributing to the four-point amplitudes of the
standard model particles, keeping terms with up to quartic energy growth. Imposing just the …
standard model particles, keeping terms with up to quartic energy growth. Imposing just the …
Opportunistic CP violation
Q Bonnefoy, E Gendy, C Grojean… - Journal of High Energy …, 2023 - Springer
A bstract In the electroweak sector of the Standard Model, CP violation arises through a very
particular interplay between the three quark generations, as described by the Cabibbo …
particular interplay between the three quark generations, as described by the Cabibbo …
The 2PM Hamiltonian for binary Kerr to quartic in spin
WM Chen, MZ Chung, Y Huang, JW Kim - Journal of High Energy Physics, 2022 - Springer
A bstract From the S-matrix of spinning particles, we extract the 2 PM conservative potential
for binary spinning black holes up to quartic order in spin operators. An important ingredient …
for binary spinning black holes up to quartic order in spin operators. An important ingredient …
Composing effective prediction at five points
JJM Carrasco, L Rodina, S Zekioğlu - Journal of High Energy Physics, 2021 - Springer
A bstract Color-kinematics duality in the adjoint has proven key to the relationship between
gauge and gravity theory scattering amplitude predictions. In recent work, we demonstrated …
gauge and gravity theory scattering amplitude predictions. In recent work, we demonstrated …
Amplitude bases in generic EFTs
S De Angelis - Journal of High Energy Physics, 2022 - Springer
A bstract We present for the first time an efficient algorithm to find a basis of kinematically
independent structures built of (massless and massive) spinor helicity variables in four …
independent structures built of (massless and massive) spinor helicity variables in four …