Z’ physics at the LHC

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• Elena Accomando (University of Southampton)
• Friday 16 June 2017, 16:00-17:30
• Seminar Room B, Rutherford Building, Cavendish Laboratory.

If you have a question about this talk, please contact Francesco Coradeschi.

The U(1)’ symmetry associated with a possible heavy Z’ boson would have important consequences in particle physics and cosmology. The motivations for this new spin-1 particle in various extensions of the Standard Model are discussed. Present limits from EWPT and LHC data are briefly reviewed. A major accent is posed on search strategies and data interpretation as a result of the Soton-RAL collaboration within CMS . New observables are highlighted for both search and diagnostic purposes. Finally, implications of a Z’ are discussed including the existence of an extended Higgs sector, heavy and light mass neutrinos and cosmological links to leptogenesis. We present some of their striking signatures at the LHC energy. We’ll also advertise a new interactive platform to extract bounds on the theory parameter space from data via a global scan, focussing on the 2HDM extension of the scalar sector.

This talk is part of the HEP phenomenology joint Cavendish-DAMTP seminar series.

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