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Techniques for measuring aerosol attenuation using the Central Laser Facility at the Pierre Auger Observatory

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Techniques for measuring aerosol attenuation using the Central Laser Facility at the Pierre Auger Observatory

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dc.contributor.author	The Pierre Auger Collaboration
dc.contributor.author	Arqueros Martínez, Fernando
dc.contributor.author	Minaya Flores, Ignacio Andrés
dc.contributor.author	Rosado Vélez, Jaime
dc.contributor.author	Gascón Bravo, Alberto
dc.contributor.author	Pastor Carpi, Sergio
dc.date.accessioned	2014-02-18T14:04:20Z
dc.date.available	2014-02-18T14:04:20Z
dc.date.issued	2013
dc.identifier.citation	Pastor Carpi, Sergio Arqueros Martinez, Fernando Minaya Flores, Ignacio Andrés Rosado Velez, Jaime Gascón Bravo, Alberto 2013 Techniques for measuring aerosol attenuation using the Central Laser Facility at the Pierre Auger Observatory Journal Of Instrumentation 8 P04009-1 P04009-28
dc.identifier.uri	http://hdl.handle.net/10550/33051
dc.description.abstract	The Pierre Auger Observatory in Malargüe, Argentina, is designed to study the properties of ultra-high energy cosmic rays with energies above 10(18) eV. It is a hybrid facility that employs a Fluorescence Detector to perform nearly calorimetric measurements of Extensive Air Shower energies. To obtain reliable calorimetric information from the FD, the atmospheric conditions at the observatory need to be continuously monitored during data acquisition. In particular, light attenuation due to aerosols is an important atmospheric correction. The aerosol concentration is highly variable, so that the aerosol attenuation needs to be evaluated hourly. We use light from the Central Laser Facility, located near the center of the observatory site, having an optical signature comparable to that of the highest energy showers detected by the FD. This paper presents two procedures developed to retrieve the aerosol attenuation of fluorescence light from CLF laser shots. Cross checks between the two methods demonstrate that results from both analyses are compatible, and that the uncertainties are well understood. The measurements of the aerosol attenuation provided by the two procedures are currently used at the Pierre Auger Observatory to reconstruct air shower data.
dc.relation.ispartof	Journal Of Instrumentation, 2013, vol. 8, p. P04009-1-P04009-28
dc.subject	Física nuclear
dc.title	Techniques for measuring aerosol attenuation using the Central Laser Facility at the Pierre Auger Observatory
dc.type	journal article	es_ES
dc.date.updated	2014-02-18T14:04:20Z
dc.identifier.doi	10.1088/1748-0221/8/04/P04009
dc.identifier.idgrec	093581
dc.rights.accessRights	open access	es_ES
dc.identifier.url	10.1088/1748-0221/8/04/P04009