Abstract
We discuss the reconstruction of the hadronic decays of heavy particles using jet algorithms. The ability to reconstruct the mass of the decaying particles is compared between a traditional cone-type algorithm and a recently proposed cluster-type algorithm. The specific examples considered are the semileptonic decays of a heavy Higgs boson at\(\sqrt s = 16\) TeV, and of top quark-antiquark pairs at\(\sqrt s = 1.8\) TeV. We find that the cluster algorithm offers considerable advantages in the former case, and a slight advantage in the latter. We briefly discuss the effects of calorimeter energy resolution, and show that a typical resolution dilutes these advantages, but does not remove them entirely.
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Seymour, M.H. Searches for new particles using cone and cluster jet algorithms: a comparative study. Z. Phys. C - Particles and Fields 62, 127–138 (1994). https://doi.org/10.1007/BF01559532
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DOI: https://doi.org/10.1007/BF01559532