Deep seawater inherent optical properties in the Southern Ionian Sea

Riccobene, G.; Capone, A.; Aiello, S.; Ambriola, M.; Ameli, F.; Amore, I.; Anghinolfi, M.; Anzalone, A.; Avanzini, C.; Barbarino, G. C.; Barbarito, E.; Battaglieri, M.; Bellotti, R.; Beverini, N.; Bonori, M.; Bouhadef, B.; Brescia, M.; Cacopardo, G.; Cafagna, F.; Caponetto, L.; Castorina, Emanuele; Ceres, A.; Chiarusi, T.; Circella, M.; Cocimano, R.; Coniglione, R.; Cordelli, M.; Costa, M.; Cuneo, S.; D’Amico, Antonio; Bonis, G. De; Marzo, C. De; Rosa, G. De; Vita, R. De; Distefano, C.; Falchini, E.; Fiorello, C.; Flaminio, V.; Fratini, K.; Gabrielli, Alessandro; Galeotti, S.; Gandolfi, E.; Grimaldi, A.; Habel, R.; Leonora, E.; Lonardo, A.; Longo, Giuseppe; Presti, D. Lo; Lucarelli, F.; Maccioni, Enrico; Margiotta, A.; Martini, A.; Masullo, R.; Megna, Rosario; Migneco, E.; Mongelli, M.; Montaruli, T.; Morganti, M.; Musumeci, M.; Nicolau, C. A.; Orlando, A.; Osipenko, M.; Osteria, G.; Papaleo, R.; Pappalardo, V.; Petta, C.; Piattelli, P.; Raffaelli, F.; Raia, G.; Randazzo, N.; Reito, S.; Ricco, G.; Ripani, M.; Rovelli, A.; Ruppi, M.; Russo, Giovanni; Russo, Stefano; Sapienza, P.; Sedita, M.; Schuller, J.-P.; Shirokov, E. V.; Simeone, F.; Sipala, V.; Spurio, M.; Taiuti, M.; Terreni, G.; Trasatti, L.; Urso, S.; Valente, V.; Vicini, P.

doi:10.1016/j.astropartphys.2006.08.006

Cited by 75 publications

(49 citation statements)

References 11 publications

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“…S earching for a site suitable for the implementation of a neutrino detector, within the Neutrino Mediterranean Observatory (NEMO) project [1][2][3] , a long-term mooring was established to monitor oceanic abyssal currents in the Eastern Mediterranean (EM) basin at the KM4 site (Fig. 1a).…”

mentioning

confidence: 99%

Abyssal undular vortices in the Eastern Mediterranean basin

et al. 2012

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Abyssal temperature and velocity observations performed within the framework of the neutrino mediterranean observatory, a project devoted to constructing a km 3 -scale underwater telescope for the detection of high-energy cosmic neutrinos, demonstrate cross-fertilization between subnuclear physics and experimental oceanography. Here we use data collected south of sicily in the Ionian abyssal plain of the Eastern mediterranean (Em) basin to show for the first time that abyssal vortices exist in the Em, at depths exceeding 2,500 m. The eddies consist of chains of near-inertially pulsating mesoscale cyclones/anticyclones. They are embedded in an abyssal current flowing towards north-northwest. The paucity of existing data does not allow for an unambiguous determination of the vortex origin. A local generation mechanism seems probable, but a remote genesis cannot be excluded a priori. The presence of such eddies adds further complexity to the discussion of structure and evolution of water masses in the Em.

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confidence: 99%

Abyssal undular vortices in the Eastern Mediterranean basin

et al. 2012

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“…is also similar to that of seawater at optical and near-UV wavelengths (between 1.3 and 1.4) [6,20]. Hence, limits due to different hadronic final states and particle propagation (i.e.…”

Section: Km3netmentioning

confidence: 64%

“…Detection probability, P , for all unabsorbed photons (red) and for those that are additionally not scattered (blue), calculated from in-situ measurements of the inherent optical properties of deep-sea water [6], and the optical module effective area and density for the KM3NeT/ORCA benchmark detector design [2]. The peak near 440 nm arises from the absorption minimum.…”

Section: Km3netmentioning

confidence: 99%

Intrinsic limits on resolutions in muon- and electron-neutrino charged-current events in the KM3NeT/ORCA detector

Adrián-Martínez¹,

Ageron²,

Aiello³

et al. 2017

J. High Energ. Phys.

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Studying atmospheric neutrino oscillations in the few-GeV range with a multimegaton detector promises to determine the neutrino mass hierarchy. This is the main science goal pursued by the future KM3NeT/ORCA water Cherenkov detector in the Mediterranean Sea. In this paper, the processes that limit the obtainable resolution in both energy and direction in charged-current neutrino events in the ORCA detector are investigated. These processes include the composition of the hadronic fragmentation products, the subsequent particle propagation and the photon-sampling fraction of the detector. GEANT simulations of neutrino interactions in seawater produced by GENIE are used to study the effects in the 1-20 GeV range. It is found that fluctuations in the hadronic cascade in conjunction with the variation of the inelasticity y are most detrimental to the resolutions. The effect of limited photon sampling in the detector is of significantly less importance. These results will therefore also be applicable to similar detectors/media, such as those in ice.

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“…A deep sea site with optimal features in terms of depth and water optical properties has been identified at a depth of 3500 m about 80 km off shore Capo Passero and a long term study of the site has been carried out (Capone et al, 2002;Riccobene et al, 2007). One of the efforts undertaken by the NEMO collaboration has also been the definition of a feasibility study of the km 3 detector, which included the analysis of all the construction and installation issues and the optimization of the detector geometry by means of numerical simulations.…”

Section: Nemomentioning

confidence: 99%

Towards a km3 scale neutrino detector in the Mediterranean: NEMO and KM3NeT

Piattelli

2010

Earth Planet Sp

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Neutrinos are promising probes for high energy astrophysics. According to present estimates, km 3 scale detectors are needed to detect high energy cosmic neutrinos. Deep water/ice Cherenkov technique was proposed to detect high energy neutrinos through the tracking of the secondary muons produced in neutrino interactions. The IceCube neutrino telescope is under construction at the South Pole. For a full sky observation, a second km 3 telescope is required in the Northern hemisphere. In this paper progress and latest results from the NEMO experiment as well as the status of the KM3NeT European consortium activities toward a km 3 telescope in the Mediterranean Sea are presented.

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Deep seawater inherent optical properties in the Southern Ionian Sea

Cited by 75 publications

References 11 publications

Abyssal undular vortices in the Eastern Mediterranean basin

Abyssal undular vortices in the Eastern Mediterranean basin

Intrinsic limits on resolutions in muon- and electron-neutrino charged-current events in the KM3NeT/ORCA detector

Towards a km3 scale neutrino detector in the Mediterranean: NEMO and KM3NeT

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