ALPs effective field theory and collider signatures.

Clicks: 199
ID: 92613
2017
We study the leading effective interactions between the Standard Model fields and a generic singlet CP-odd (pseudo-) Goldstone boson. Two possible frameworks for electroweak symmetry breaking are considered: linear and non-linear. For the latter case, the basis of leading effective operators is determined and compared with that for the linear expansion. Associated phenomenological signals at colliders are explored for both scenarios, deriving new bounds and analyzing future prospects, including LHC and High Luminosity LHC sensitivities. Mono-, mono-, -photon plus missing energy and on-shell top final states are most promising signals expected in both frameworks. In addition, non-standard Higgs decays and mono-Higgs signatures are especially prominent and expected to be dominant in non-linear realisations.
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brivio2017alpsthe Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Brivio, I;Gavela, M B;Merlo, L;Mimasu, K;No, J M;Del Rey, R;Sanz, V;
Journal the european physical journal c, particles and fields
Year 2017
DOI 10.1140/epjc/s10052-017-5111-3
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