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A Fast Algorithm for Muon Track Reconstruction and its Application to the ANTARES Neutrino Telescope

Aguilar, J.A. / Al Samarai, I. / Albert, A. / André, M. / Anghinolfi, M. / Anton, G. / Anvar, S. / Ardid, M. / Assis Jesus, A.C. / Astraatmadja, T. / Aubert, J.-J. / Auer, R. / Baret, B. / Basa, S. / Bazzotti, M. / Bertin, V. / Biagi, S. / Bigongiari, C. / Bogazzi, C. / Bou-Cabo, M. / Bouwhuis, M.C. / Brown, A.M. / Brunner, J. / Busto, J. / Camarena, F. / Capone, A. / Cârloganu, C. / Carminati, G. / Carr, J. / Cecchini, S. / Charvis, Ph. / Chiarusi, T. / Circella, M. / Coniglione, R. / Costantini, H. / Cottini, N. / Coyle, P. / Curtil, C. / Decowski, M.P. / Dekeyser, I. / Deschamps, A. / Distefano, C. / Donzaud, C. / Dornic, D. / Dorosti, Q. / Drouhin, D. / Eberl, T. / Emanuele, U. / Ernenwein, J.-P. / Escoffier, S. / Fehr, F. / Flaminio, V. / Fritsch, U. / Fuda, J.-L. / Galatà, S. / Gay, Pascal / Giacomelli, G. / Gómez-González, J.P. / Graf, K. / Guillard, G. / Halladjian, G. / Hallewell, G. / Van Haren, H. / Heijboer, A.J. / Hello, Y. / Hernández-Rey, J.J. / Herold, B. / Hößl, J. / Hsu, C.C. / De Jong, M. / Kadler, M. / Kalantar-Nayestanaki, N. / Kalekin, O. / Kappes, A. / Katz, U. / Kooijman, P. / Kopper, C. / Kouchner, A. / Kulikovskiy, V. / Lahmann, R. / Lamare, P. / Larosa, G. / Lefèvre, D. / Lim, G. / Lo Presti, D. / Loehner, H. / Loucatos, S. / Lucarelli, F. / Mangano, S. / Marcelin, M. / Margiotta, A. / Martinez-Mora, J.A. / Mazure, A. / Meli, A. / Montaruli, T. / Morganti, M. / Moscoso, L. / Motz, H. / Naumann, C. / Neff, M. / Palioselitis, D. / Păvălaş, G.E. / Payre, P. / Petrovic, J. / Picot-Clemente, N. / Picq, C. / Popa, V. / Pradier, T. / Presani, E. / Racca, C. / Reed, C. / Riccobene, G. / Richardt, C. / Richter, R. / Rostovtsev, A. / Rujoiu, M. / Russo, G.V. / Salesa, F. / Sapienza, P. / Schöck, F. / Schuller, J.-P. / Shanidze, R. / Simeone, F. / Spiess, A. / Spurio, M. / Steijger, J.J.M. / Stolarczyk, Th. / Taiuti, M. / Tamburini, C. / Tasca, L. / Toscano, S. / Vallage, B. / Van Elewyck, V. / Vannoni, G. / Vecchi, M. / Vernin, P. / Wijnker, G. / De Wolf, E. / Yepes, H. / Zaborov, D. / Zornoza, J.D. / Zúñiga, J. - 2015
An algorithm is presented, that provides a fast and robust reconstruction of neutrino induced upward-going muons and a discrimination of these events from downward-going atmospheric muon background in data collected by the ANTARES neutrino telescope. The algorithm consists of a hit merging and hit selection procedure followed by fitting steps for a track hypothesis and a point-like light source. It is particularly well-suited for real time applications such as online monitoring and fast triggering of optical follow-up observations for multi-messenger studies. The performance of the algorithm is evaluated with Monte Carlo simulations and various distributions are compared with that obtained in ANTARES data.

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