Results 51 to 60 of about 2,079 (110)

SMEFT atlas of ∆F = 2 transitions

Journal of High Energy Physics, 2020
We present a model-independent anatomy of the ∆F = 2 transitions K 0 − K ¯ 0 $$ {\overline{K}}^0 $$ , B s,d − B ¯ s , d $$ {\overline{B}}_{s,d} $$ and D 0 − D ¯ 0 $$ {\overline{D}}^0 $$ in the context of the Standard Model Effective Field Theory (SMEFT).
Jason Aebischer, Christoph Bobeth, Andrzej J. Buras, Jacky Kumar   +3 more
doaj   +1 more source

NLO corrections to h → bb¯ decay in SMEFT [PDF]

, 2019
We calculate the full set of next-to-leading order (NLO) corrections to h → b b¯¯ decay in the dimension-6 Standard Model Effective Field Theory (SMEFT).
Scott, Darren J., Cullen, Jonathan M., Pecjak, Benjamin D.   +2 more
core   +1 more source

Two-loop anomalous dimensions for baryon-number-violating operators in SMEFT

Journal of High Energy Physics
We compute the two-loop renormalization-group equations for the baryon-number-violating dimension-six operators in the SMEFT. This includes all three gauge interactions, the Yukawa, and Higgs self-interaction contributions.
Sumit Banik, Andreas Crivellin, Luca Naterop, Peter Stoffer   +3 more
doaj   +1 more source

A Monte Carlo global analysis of the Standard Model Effective Field Theory: the top quark sector

Journal of High Energy Physics, 2019
We present a novel framework for carrying out global analyses of the Standard Model Effective Field Theory (SMEFT) at dimension-six: SMEFiT. This approach is based on the Monte Carlo replica method for deriving a faithful estimate of the experimental and
Nathan P. Hartland, Fabio Maltoni, Emanuele R. Nocera, Juan Rojo, Emma Slade, Eleni Vryonidou, Cen Zhang   +6 more
doaj   +1 more source

Higgs associated production with a vector decaying to two fermions in the geoSMEFT

SciPost Physics
We present the inclusive calculations of a Higgs boson produced in association with massive vector bosons in the Standard Model Effective Field Theory (SMEFT) to order $1/\Lambda^4$ for the 13 TeV LHC.
Tyler Corbett, Adam Martin
doaj   +1 more source

Tree-level UV completions for $N_R$SMEFT $d=6$ and $d=7$ operators

, 2023
We study ultra-violet completions for operators in standard model effective field theory extended with right-handed neutrinos ($N_R$SMEFT). Using a diagrammatic method, we generate systematically lists of possible tree-level completions involving scalars,
Hirsch, Martin, Beltrán, Rebeca, Cepedello, Ricardo   +2 more
core   +1 more source

Energy-enhanced dimension eight SMEFT effects in VBF Higgs production

Journal of High Energy Physics
We study Higgs boson production via vector boson fusion at the LHC, focusing on the process pp → H + jj and capturing the leading energy-enhanced contributions within the Standard Model Effective Field Theory (SMEFT) up to order 1/Λ4.
Benoît Assi, Adam Martin
doaj   +1 more source

Holomorphy without supersymmetry in the Standard Model Effective Field Theory

Physics Letters B, 2014
The anomalous dimensions of dimension-six operators in the Standard Model Effective Field Theory (SMEFT) respect holomorphy to a large extent. The holomorphy conditions are reminiscent of supersymmetry, even though the SMEFT is not a supersymmetric ...
Rodrigo Alonso, Elizabeth E. Jenkins, Aneesh V. Manohar   +2 more
doaj   +1 more source

Walls, bubbles and doom — the cosmology of HEFT

Journal of High Energy Physics
As experiment charts new territory at the electroweak scale, the enterprise to characterise all possible theories becomes all the more necessary. In the absence of new particles, this ambitious enterprise is attainable and has led to the Higgs Effective ...
R. Alonso, J.C. Criado, R. Houtz, M. West   +3 more
doaj   +1 more source

Understanding the SM gauge group from SMEFT [PDF]

We discuss heavy particles that can be used to pin down the faithful Standard Model (SM) gauge group and their patterns in the SM effective field theory (SMEFT). These heavy particles are not invariant under a specific $\mathbb{Z}_6$ subgroup of $SU(3)_c\
Li, Hao-Lin, Xu, Ling-Xiao
core   +3 more sources