Reconstruction of Vees, Kinks, $\Xi^-$'s, and $\Omega^-$'s in the Focus Spectrometer

TL;DR

This paper discusses specialized tracking techniques developed in Fermilab experiments E687 and FOCUS to reconstruct long-lived particle states, enhancing the ability to analyze rare particle decays.

Contribution

Introduces modified tracking methods tailored for reconstructing long-lived particles like vees, kinks, and hyperons in high-energy physics experiments.

Findings

Effective reconstruction of long-lived particles achieved

Techniques applicable to future experiments

Improved accuracy in particle decay analysis

Abstract

We describe the various techniques developed in the Fermilab Wideband Experiments, E687 and FOCUS, to reconstruct long-lived states. The techniques all involve modifications to standard tracking techniques and are useful to report for future experiments.