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Jet reconstruction in heavy ion collisions |
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| Authors: | Matteo Cacciari Juan Rojo Gavin P Salam Gregory Soyez |
| Institution: | 1. LPTHE, UPMC Univ. Paris 6 and CNRS UMR 7589, Paris, France 2. Université Paris Diderot, Paris, France 3. INFN, Sezione di Milano, Milan, Italy 4. Department of Physics, Theory Unit, CERN, 1211, Geneva 23, Switzerland 6. Department of Physics, Princeton University, Princeton, NJ, 08544, USA 5. Institut de Physique Théorique, CEA Saclay, CNRS URA 2306, 91191, Gif-sur-Yvette, France |
| Abstract: | We examine the problem of jet reconstruction at heavy-ion colliders using jet-area-based background subtraction tools as provided by FastJet. We use Monte Carlo simulations with and without quenching to study the performance of several jet algorithms, including the option of filtering, under conditions corresponding to RHIC and LHC collisions. We find that most standard algorithms perform well, though the anti-k t and filtered Cambridge/Aachen algorithms have clear advantages in terms of the reconstructed p t offset and dispersion. |
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