Results 61 to 70 of about 620 (125)

Reactor neutrino oscillations as constraints on effective field theory

Journal of High Energy Physics, 2019
We study constraints on the Standard Model Effective Field Theory (SMEFT) from neutrino oscillations in short-baseline reactor experiments. We calculate the survival probability of reactor antineutrinos at the leading order in the SMEFT expansion, that ...
Adam Falkowski, Martín González-Alonso, Zahra Tabrizi   +2 more
doaj   +1 more source

Computing Tools for the SMEFT

, 2019
The increasing interest in the phenomenology of the Standard Model Effective Field Theory (SMEFT), has led to the development of a wide spectrum of public codes which implement automatically different aspects of the SMEFT for phenomenological applications.
Brivio, Ilaria, others
openaire   +4 more sources

Probing the flavour-blind SMEFT: EFT validity and the interplay of energy scales

Journal of High Energy Physics
The Standard Model Effective Field Theory (SMEFT) offers a systematic approach to study potential deviations from the Standard Model (SM) through higher-dimensional operators that encapsulate new physics effects.
Luca Mantani, Veronica Sanz
doaj   +1 more source

Triboson production in the SMEFT

Journal of High Energy Physics
Abstract We study the production of three electroweak gauge bosons at the LHC, in the effective field theory of the standard model, at dimension six and next-to-leading order in QCD. We present results for inclusive cross-sections and differential distributions, finding that these QCD corrections are large, often vary across the ...
Eugenia Celada, Gauthier Durieux, Ken Mimasu, Eleni Vryonidou   +3 more
openaire   +4 more sources

Interpreting W mass measurements in the SMEFT

Physics Letters B, 2016
6pp, 4 figures V2: minor typo corrections and text clarifications, matches journal ...
Bjørn, Mikkel, Trott, Michael
openaire   +5 more sources

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

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

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

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

Low-energy effective field theory below the electroweak scale: operators and matching

Journal of High Energy Physics, 2018
The gauge-invariant operators up to dimension six in the low-energy effective field theory below the electroweak scale are classified. There are 70 Hermitian dimension-five and 3631 Hermitian dimension-six operators that conserve baryon and lepton number,
Elizabeth E. Jenkins, Aneesh V. Manohar, Peter Stoffer   +2 more
doaj   +1 more source