Detecting New Physics in Rare Top Decays at the LHC

PRATISHRUTI SAHA; KEN KIERS; DAVID LONDON; ALEJANDRO SZYNKMAN

PHYSICAL REVIEW D

AMER PHYSICAL SOC

Lugar: New York; Año: 2014 vol. 90 p. 94016 - 94028

1550-7998

In the companion paper it was shown that there are six observables in gg -> tt ->(bbc) (blnu) that can be used to reveal the presence of new physics (NP) in t -> bbc. In thepresent paper we examine the prospects for detecting and identifying such NP at the LHC,in both the short term and long term. To this end, we develop an algorithm for extractingthe NP parameters from measurements of the observables. In the short term, dependingon what measurements have been made, there are several different ways of detecting thepresence of NP. It may even be possible to approximately determine the values of certainNP parameters. In the long term, it is expected that all six observables will be measured.The values of the NP parameters can then be determined reasonably precisely from a fitto these measurements, which will provide good information about the type of NP presentin t -> bbc.