Revisiting the LHC reach in the displaced region of the minimal left-right symmetric model

Giovanna Cottin, Juan Carlos Helo, Martin Hirsch, Dario Silva
2019 Physical Review D  
We revisit discovery prospects for a long-lived sterile neutrino N at the LHC in the context of left-right symmetric theories. We focus on a displaced vertex search strategy sensitive to OðGeVÞ neutrino masses produced via a right-handed W R boson. Both on-shell and off-shell Drell-Yan production of W R are considered. We estimate the reach as a function of m N and m W R . With ffiffi ffi s p ¼ 13 TeV and 300=fb of integrated luminosity, the LHC can probe neutrino masses as high as
more » ... igh as approximately 30 GeV and m W R around 6 TeV. The reach goes up to 11.5 TeV with 3000=fb and m N ∼ 45 GeV. This represents an improvement of a factor of 2 in sensitivity with respect to earlier work.
doi:10.1103/physrevd.99.115013 fatcat:olopsetvnjasvee26353kuiw4a