Letter of intent for KM3NeT 2.0

Abstract

The main objectives of the KM3NeT Collaboration are (i) the discovery and subsequent observation of high-energy neutrino sources in the Universe and (ii) the determination of the mass hierarchy of neutrinos. These objectives are strongly motivated by two recent important discoveries, namely: (1) the highenergy astrophysical neutrino signal reported by IceCube and (2) the sizable contribution of electron neutrinos to the third neutrino mass eigenstate as reported by Daya Bay, Reno and others. To meet these objectives, the KM3NeT Collaboration plans to build a new Research Infrastructure consisting of a network of deep-sea neutrino telescopes in the Mediterranean Sea. A phased and distributed implementation is pursued which maximises the access to regional funds, the availability of human resources and the synergistic opportunities for the Earth and sea sciences community. Three suitable deep-sea sites are selected, namely off-shore Toulon (France), Capo Passero (Sicily, Italy) and Pylos (Peloponnese, Greece). The infrastructure will consist of three so-called building blocks. A building block comprises 115 strings, each string comprises 18 optical modules and each optical module comprises 31 photo-multiplier tubes. Each building block thus constitutes a threedimensional array of photo sensors that can be used to detect the Cherenkov light produced by relativistic particles emerging from neutrino interactions. Two building blocks will be sparsely configured to fully explore the IceCube signal with similar instrumented volume, different methodology, improved resolution and complementary field of view, including the galactic plane. One building block will be densely configured to precisely measure atmospheric neutrino oscillations.

Metadata

Authors/Creators:	Adrian-Martinez, S Ageron, M Aharonian, F Aiello, S Albert, A Ameli, F Anassontzis, E Andre, M Androulakis, G Anghinolfi, M Anton, G Ardid, M Avgitas, T Barbarino, G Barbarito, E Baret, B Barrios-Marti, J Belhorma, B Belias, A Berbee, E van den Berg, A Bertin, V Beurthey, S van Beveren, V Beverini, N Biagi, S Biagioni, A Billault, M Bondi, M Bormuth, R Bouhadef, B Bourlis, G Bourret, S Boutonnet, C Bouwhuis, M Bozza, C Bruijn, R Brunner, J Buis, E Busto, J Cacopardo, G Caillat, L Calamai, M Calvo, D Capone, A Caramete, L Cecchini, S Celli, S Champion, C Cherkaoui El Moursli, R Cherubini, S Chiarusi, T Circella, M Classen, L Cocimano, R Coelho, JAB Coleiro, A Colonges, S Coniglione, R Cordelli, M Cosquer, A Coyle, P Creusot, A Cuttone, G D'Amico, A De Bonis, G De Rosa, G De Sio, C Di Capua, F Di Palma, I Diaz Garcia, AF Distefano, C Donzaud, C Dornic, D Dorosti-Hasankiadeh, Q Drakopoulou, E Drouhin, D Drury, L Durocher, M Eberl, T Eichie, S van Eijk, D El Bojaddaini, I El Khayati, N Elsaesser, D Enzenhofer, A Fassi, F Favali, P Fermani, P Ferrara, G Filippidis, C Frascadore, G Fusco, LA Gal, T Galata, S Garufi, F Gay, P Gebyehu, M Giordano, V Gizani, N Gracia, R Graf, K Gregoire, T Grella, G Habel, R Hallmann, S van Haren, H Harissopulos, S Heid, T Heijboer, A Heine, E Henry, S Hernandez-Rey, JJ Hevinga, M Hofestaedt, J Hugon, CMF Illuminati, G James, CW Jansweijer, P Jongen, M de Jong, M Kadler, M Kalekin, O Kappes, A Katz, UF Keller, P Kieft, G Kiessling, D Koffeman, EN Kooijman, P Kouchner, A Kulikovskiy, V Lahmann, R Lamare, P Leisos, A Leonora, E Clark, ML Liolios, A Llorens Alvarez, CD Lo Presti, D Lohner, H Lonardo, A Lotze, M Loucatos, S Maccioni, E Mannheim, K Margiotta, A Marinelli, A Maris, O Markou, C Martinez-Mora, JA Martini, A Mele, R Melis, KW Michael, T Migliozzi, P Migneco, E Mijakowski, P Miraglia, A Mollo, CM Mongelli, M Morganti, M Moussa, A Musico, P Musumeci, M Navas, S Nicolau, CA Olcina, I Olivetto, C Orlando, A Papaikonomou, A Papaleo, R Pavalas, GE Peek, H Pellegrino, C Perrina, C Pfutzner, M Piattelli, P Pikounis, K Poma, GE Popa, V Pradier, T Pratolongo, F Puehlhofer, G Pulvirenti, S Quinn, L Racca, C Raffaelli, F Randazzo, N Rapidis, P Razis, P Real, D Resvanis, L Reubelt, J Riccobene, G Rossi, C Rovelli, A Saldana, M Salvadori, I Samtleben, DFE Garcia, AS Losa, AS Sanguineti, M Santangelo, A Santonocito, D Sapienza, P Schimmel, F Schmelling, J Sciacca, V Sedita, M Seitz, T Sgura, I Simeone, F Siotis, I Sipala, V Spisso, B Spurio, M Stavropoulos, G Steijger, J Stellacci, SM Stransky, D Taiuti, M Tayalati, Y Tezier, D Theraube, S Thompson, L Timmer, P Tonnis, C Trasatti, L Trovato, A Tsirigotis, A Tzamarias, S Tzamariudaki, E Vallage, B Van Elewyck, V Vermeulen, J Vicini, P Viola, S Vivolo, D Volkert, M Voulgaris, G Wiggers, L Wilms, J de Wolf, E Zachariadou, K Zornoza, JD Zuniga, J
Copyright, Publisher and Additional Information:	Original content from this work may be used under the terms of the Creative Commons Attribution 3.0 licence. Any further distribution of this work must maintain attribution to the author(s) and the title of the work, journal citation and DOI.
Keywords:	neutrino astronomy; neutrino physics; deep sea neutrino telescope; neutrino mass hierarchy
Dates:	Accepted: 23 May 2016 Published: 24 June 2016
Institution:	The University of Sheffield
Academic Units:	The University of Sheffield > Faculty of Science (Sheffield) > Department of Physics and Astronomy (Sheffield)
Depositing User:	Symplectic Sheffield
Date Deposited:	02 Nov 2017 15:19
Last Modified:	02 Nov 2017 15:19
Published Version:	https://doi.org/10.1088/0954-3899/43/8/084001
Status:	Published
Publisher:	IOP Publishing
Refereed:	Yes
Identification Number:	https://doi.org/10.1088/0954-3899/43/8/084001
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Letter of intent for KM3NeT 2.0

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