Single transverse spin asymmetry as a new probe of standard-model-effective-field-theory dipole operators

XK Wen, B Yan, Z Yu, CP Yuan - Physical Review Letters, 2023 - APS
Electroweak dipole operators in the standard-model-effective-field theory (SMEFT) are
important indirect probes of quantum effects of new physics beyond the standard model …

Electroweak legacy of the LHC run II

ES Almeida, A Alves, OJP Éboli, MC Gonzalez–Garcia - Physical Review D, 2022 - APS
We present a comprehensive study of the electroweak interactions using the available Higgs
and electroweak diboson production results from LHC runs 1 and 2 as well as the …

Validity of standard model EFT studies of and production at NLO

J Baglio, S Dawson, S Homiller, SD Lane, IM Lewis - Physical Review D, 2020 - APS
The production of W±H, ZH, W+ W-, and W±Z pairs probes non-Standard-Model interactions
of quarks, gauge bosons, and the Higgs boson. New effects can be parametrized in terms of …

Probing the four-fermion operators via the transverse double spin asymmetry at the Electron-Ion Collider

HL Wang, XK Wen, H Xing, B Yan - Physical Review D, 2024 - APS
The chirality-flipping operators of light fermions are currently poorly constrained by
experimental analyses due to the lack of interference with standard model (SM) amplitudes …

Single top quark production with and without a Higgs boson

QH Cao, H Jiang, G Zeng - Chinese Physics C, 2021 - iopscience.iop.org
One method of probing new physics beyond the Standard Model is to check the correlation
among higher-dimensional operators in the effective field theory. We examine the strong …

Aligned Yet Large Dipoles: a SMEFT Study

Q Bonnefoy, J Kley, D Liu, AN Rossia… - arXiv preprint arXiv …, 2024 - arxiv.org
We study a non-universal flavor scenario at the level of the Standard Model Effective Field
Theory, according to which the matrix of Wilson coefficients $ c_ {uW} $ of an up-type …

A tale of +jet: SMEFT effects and the Lam-Tung relation

R Gauld, U Haisch, J Weiss - arXiv preprint arXiv:2412.13014, 2024 - arxiv.org
We derive constraints on dimension-six light-quark dipole operators within the Standard
Model (SM) effective field theory, based on measurements of $ Z $ production at SLC and …

Probing Magnetic Moment Operators in Production and Rare Decay

QH Cao, HR Jiang, B Li, Y Liu, G Zeng - arXiv preprint arXiv:2106.04143, 2021 - arxiv.org
The magnetic moment ($ a_\gamma $) and weak magnetic moment ($ a_W $) of charged
leptons and quarks are sensitive to quantum effects of new physics heavy resonances. In …

[HTML][HTML] Probing magnetic moment operators in\begin {document} \end {document} production and\begin {document} \end {document} rare decay

QH Cao, HR Jiang, B Li, Y Liu, G Zeng - Chinese Physics C, 2021 - csnsdoc.ihep.ac.cn
Probing magnetic moment operators in <inline-formula><tex-math id="M1-4">\begin{document}${\boldsymbol
H \gamma }$\end{document}</tex-math><alternatives><graphic xmlns:xlink="http://www.w3.org/1999/xlink" …

Impact of fermionic operators on the Higgs boson width measurement

ES Almeida, OJP Éboli, MC Gonzalez-Garcia - Physical Review D, 2020 - APS
The off-shell Higgs production in pp→ ZZ at LHC provides at present the most direct
measurement of the Higgs width in the absence of beyond the standard model contributions …