SCOAP3 Repository 22 records found  1 - 10nextendSearch took 0.02 seconds. 
1. Equations of motion, symmetry currents and EFT below the electroweak scale / Helset, Andreas ; Trott, Michael
The low-energy effective field theory is constructed by integrating out Standard Model states with masses proximate to the electroweak scale. [...]
Published in Physics letters B 795 (2019) 606-619 10.1016/j.physletb.2019.06.070
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2. Examining the neutrino option / Brivio, Ilaria ; Trott, Michael
The neutrino option is a scenario where the electroweak scale, and thereby the Higgs mass, is generated simultaneously with neutrino masses in the seesaw model. [...]
Published in JHEP 1902 (2019) 107 10.1007/JHEP02(2019)107 arXiv:1809.03450
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3. Equations of motion for the standard model effective field theory: Theory and applications / Barzinji, Abdurrahman ; Trott, Michael ; Vasudevan, Anagha
The equations of motion for the standard model effective field theory (SMEFT) differ from those in the standard model. [...]
Published in Physical Review D 98 (2018) 10.1103/PhysRevD.98.116005 arXiv:1806.06354
4. Gauge Fixing the Standard Model Effective Field Theory / Helset, Andreas ; Paraskevas, Michael ; Trott, Michael
We gauge-fix the standard model effective field theory in a manner invariant under background-field gauge transformations using a geometric description of the field connections..
Published in Physical Review Letters 120 (2018) 10.1103/PhysRevLett.120.251801 arXiv:1803.08001
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5. Addendum to: Scheming in the SMEFT. . . and a reparameterization invariance! / Brivio, Ilaria ; Trott, Michael
We allow two independent flavor contractions for the operator Q l l $$ {\mathcal{Q}}_{ll} $$ in the U(3) 5 flavor symmetric limit and report modified fit results in this limit..
Published in JHEP 1805 (2018) 136 10.1007/JHEP05(2018)136 arXiv:1701.06424
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6. On interference and non-interference in the SMEFT / Helset, Andreas ; Trott, Michael
We discuss interference in the limit m ^ W 2 / s → 0 $$ {\widehat{m}}_W^2/s\to 0 $$ in the Standard Model Effective Field Theory (SMEFT). [...]
Published in JHEP 1804 (2018) 038 10.1007/JHEP04(2018)038 arXiv:1711.07954
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7. The SMEFTsim package, theory and tools / Brivio, Ilaria ; Jiang, Yun ; Trott, Michael
We report codes for the Standard Model Effective Field Theory (SMEFT) in F eyn R ules — the SMEFTsim package. [...]
Published in JHEP 1712 (2017) 070 10.1007/JHEP12(2017)070 arXiv:1709.06492
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8. On expansions in neutrino effective field theory / Elgaard-Clausen, Gitte ; Trott, Michael
We match the seesaw model for generating neutrino masses onto the Standard Model Effective Field Theory (SMEFT). [...]
Published in JHEP 1711 (2017) 088 10.1007/JHEP11(2017)088 arXiv:1703.04415
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9. Scheming in the SMEFT. . . and a reparameterization invariance! / Brivio, Ilaria ; Trott, Michael
We explain a reparameterization invariance in the Standard Model Effective Field Theory present when considering ψ ¯ ψ → ψ ¯ ψ $$ \overline{\psi}\psi\ \to \overline{\psi}\psi $$ scatterings (with ψ a fermion) and how this leads to unconstrained combinations of Wilson coefficients in global data analyses restricted to these measurements. [...]
Published in JHEP 1707 (2017) 148 10.1007/JHEP07(2017)148 arXiv:1701.06424
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10. On the non-minimal character of the SMEFT / Jiang, Yun ; Trott, Michael
When integrating out unknown new physics sectors, what is the minimal character of the Standard Model Effective Field Theory (SMEFT) that can result? In this paper we focus on a particular aspect of this question: “How can one obtain only one dimension six operator in the SMEFT from a consistent tree level matching onto an unknown new physics sector?” We show why this requires conditions on the ultraviolet field content that do not indicate a stand alone ultraviolet complete scenario. [...]
Published in Physics letters B (2017) 10.1016/j.physletb.2017.04.053
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1 Trott, Matthew J.
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