Limit on the mass of a long-lived or stable gluino

Understand

We reinterpret the generic CDF charged massive particle limit to obtain a limit on the mass of a stable or long-lived gluino.

• Various sources of uncertainty are examined.
• The $R$-hadron spectrum and scattering cross sections are modeled based on known low-energy hadron physics and the resultant uncertainties are quantified and found to be small compared to uncertainties from the scale dependence of the NLO pQCD production cross sections.
• The largest uncertainty in the limit comes from the unknown squark mass: when the squark -- gluino mass splitting is small, we obtain a gluino mass limit of 407 GeV, while in the limit of heavy squarks the gluino mass limit is 397 GeV.