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Observable Effects of General New Scalar Particles

Trobada 2015/2016 
 Tuesday, 15 September 2015 11:30
IFIC Seminar Room (1.1.1), Paterna (Valencia)
José Santiago
Universdiad de Granada
We classify all possible new scalar particles that can have renormalizable linear couplings to Standard Model fields and therefore be singly produced at colliders. We show that this classification exhausts the list of heavy scalar particles that contribute at the tree level to the Standard Model effective Lagrangian to dimension six. We compute this effective Lagrangian for a general scenario with an arbitrary number of new scalar particles and obtain flavor-preserving constraints on their couplings and masses. This completes the tree-level matching of the coefficients of dimension five and six operators in the effective Lagrangian to arbitrary extensions of the Standard Model.

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All Dates

  • Tuesday, 15 September 2015 11:30

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