4.4 Article

Top effective operators at the ILC

Journal

JOURNAL OF HIGH ENERGY PHYSICS
Volume -, Issue 7, Pages -

Publisher

SPRINGER
DOI: 10.1007/JHEP07(2012)180

Keywords

Beyond Standard Model; Heavy Quark Physics

Funding

  1. MICINN [FPA2006-05294, FPA2010-17915]
  2. Junta de Andalucia [FQM 101, FQM 03048, FQM 6552]
  3. Fundacao para a Ciencia e Tecnologia (FCT) [CERN/FP/123619/2011]
  4. FCT [SFRH/BD/48680/2008]
  5. Fundação para a Ciência e a Tecnologia [CERN/FP/123619/2011, SFRH/BD/48680/2008] Funding Source: FCT

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We investigate the effect of top trilinear operators in t (t) over bar production at the ILC. We find that the sensitivity to these operators largely surpasses the one achievable by the LHC either in neutral or charged current processes, allowing to probe new physics scales up to 4.5 TeV for a centre of mass energy of 500 GeV. We show how the use of beam polarisation and an eventual energy upgrade to 1 TAT allow to disentangle all effective operator contributions to the Ztt and gamma tt vertices.

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