A new Mathematica package, mosca, automates tree-level on-shell matching to transform between operator bases and reduce Green's bases to physical bases in EFTs.
An operator basis for the Standard Model with an added scalar singlet
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abstract
Motivated by the possible di-gamma resonance at 750 GeV, we present a basis of effective operators for the Standard Model plus a scalar singlet at dimensions 5, 6, and 7. We point out that an earlier list at dimensions 5 and 6 contains two redundant operators at dimension 5.
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Automation of a Matching On-Shell Calculator
A new Mathematica package, mosca, automates tree-level on-shell matching to transform between operator bases and reduce Green's bases to physical bases in EFTs.