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Sedimentation and fouling of optical surfaces at the ANTARES site

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Sedimentation and fouling of optical surfaces at the ANTARES site

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dc.contributor.author	ANTARES Collaboration
dc.contributor.author	Carmona Flores, Emiliano
dc.contributor.author	Hernández Rey, Juan José
dc.contributor.author	Roca Blay, Víctor
dc.contributor.author	Vaudaine, G.
dc.contributor.author	Zornoza Gómez, Juan de Dios
dc.contributor.author	Zúñiga Román, Juan
dc.date.accessioned	2016-05-25T12:03:30Z
dc.date.available	2016-05-25T12:03:30Z
dc.date.issued	2003
dc.identifier.citation	ANTARES Collaboration Carmona Flores, Emiliano Hernández Rey, Juan José Roca Blay, Víctor Vaudaine, G. Zornoza Gómez, Juan de Dios Zúñiga Román, Juan 2003 Sedimentation and fouling of optical surfaces at the ANTARES site Astroparticle Physics 19 2 253 267
dc.identifier.uri	http://hdl.handle.net/10550/53743
dc.description.abstract	ANTARES is a project leading towards the construction and deployment of a neutrino telescope in the deep Mediterranean Sea. The telescope will use an array of photomultiplier tubes to detect the Cherenkov light emitted by muons resulting from the interaction with matter of high energy neutrinos. In the vicinity of the deployment site the ANTARES Collaboration has performed a series of in situ measurements to study the change in light transmission through glass surfaces during immersions of several months. The average loss of light transmission is estimated to be only similar to2% at the equator of a glass sphere one year after deployment. It decreases with increasing zenith angle, and tends to saturate with time. The transmission loss, therefore, is expected to remain small for the several year lifetime of the ANTARES detector whose optical modules are oriented downwards. The measurements were complemented by the analysis of the (210)Pb activity profile in sediment cores and the study of biofouling on glass plates. Despite a significant sedimentation rate at the site, in the 0.02-0.05 cm yr(-1) range, the sediments adhere loosely to the glass surfaces and can be washed off by water currents. Further, fouling by deposits of light-absorbing particulates is only significant for surfaces facing upwards.
dc.language.iso	eng
dc.relation.ispartof	Astroparticle Physics, 2003, vol. 19, num. 2, p. 253-267
dc.subject	Física nuclear
dc.title	Sedimentation and fouling of optical surfaces at the ANTARES site
dc.type	journal article	es_ES
dc.date.updated	2016-05-25T12:03:30Z
dc.identifier.doi	10.1016/S0927-6505(02)00202-5
dc.identifier.idgrec	008840
dc.rights.accessRights	open access	es_ES