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dc.creatorRos, G.-
dc.creatorSupanitsky, Alberto Daniel-
dc.creatorMedina Tanco, G. A.-
dc.creatordel Peral, L.-
dc.creatorRodríguez Frías, M. D.-
dc.date2017-05-29T18:28:10Z-
dc.date2017-05-29T18:28:10Z-
dc.date2013-06-
dc.date2017-05-23T19:16:26Z-
dc.date.accessioned2019-04-29T15:29:04Z-
dc.date.available2019-04-29T15:29:04Z-
dc.date.issued2017-05-29T18:28:10Z-
dc.date.issued2017-05-29T18:28:10Z-
dc.date.issued2013-06-
dc.date.issued2017-05-23T19:16:26Z-
dc.identifierRos, G.; Supanitsky, Alberto Daniel; Medina Tanco, G. A.; del Peral, L.; Rodríguez Frías, M. D.; Improving photon-hadron discrimination based on cosmic ray surface detector data; Elsevier Science; Astroparticle Physics; 47; 1; 6-2013; 10-17-
dc.identifier0927-6505-
dc.identifierhttp://hdl.handle.net/11336/17073-
dc.identifier.urihttp://rodna.bn.gov.ar:8080/jspui/handle/bnmm/294971-
dc.descriptionThe search for photons at EeV energies and beyond has considerable astrophysical interest and will remain one of the key challenges for ultra-high energy cosmic ray (UHECR) observatories in the near future. Several upper limits to the photon flux have been established since no photon has been unambiguously observed up to now. An improvement in the reconstruction efficiency of the photon showers and/or better discrimination tools are needed to improve these limits apart from an increase in statistics. Following this direction, we analyze in this work the ability of the surface parameter Sb, originally proposed for hadron discrimination, for photon search. Semi-analytical and numerical studies are performed in order to optimize Sb for the discrimination of photons from a proton background in the energy range from 10^18.5 to 10^19.6 eV. Although not shown explicitly, the same analysis has been performed for Fe nuclei and the corresponding results are discussed when appropriate. The effects of different array geometries and the underestimation of the muon component in the shower simulations are analyzed, as well as the Sb dependence on primary energy and zenith angle.-
dc.descriptionFil: Ros, G.. Universidad de Alcala. Facultad de Ciencias; España-
dc.descriptionFil: Supanitsky, Alberto Daniel. Consejo Nacional de Investigaciónes Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Instituto de Astronomía y Física del Espacio. - Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Instituto de Astronomía y Física del Espacio; Argentina-
dc.descriptionFil: Medina Tanco, G. A.. Universidad Nacional Autónoma de México. Instituto de Ciencias Nucleares; México-
dc.descriptionFil: del Peral, L.. Universidad de Alcala. Facultad de Ciencias; España-
dc.descriptionFil: Rodríguez Frías, M. D.. Universidad de Alcala. Facultad de Ciencias; España-
dc.formatapplication/pdf-
dc.formatapplication/pdf-
dc.languageeng-
dc.publisherElsevier Science-
dc.relationinfo:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1016/j.astropartphys.2013.05.014-
dc.relationinfo:eu-repo/semantics/altIdentifier/url/http://www.sciencedirect.com/science/article/pii/S092765051300090X-
dc.rightsinfo:eu-repo/semantics/restrictedAccess-
dc.rightshttps://creativecommons.org/licenses/by-nc-nd/2.5/ar/-
dc.sourcereponame:CONICET Digital (CONICET)-
dc.sourceinstname:Consejo Nacional de Investigaciones Científicas y Técnicas-
dc.sourceinstacron:CONICET-
dc.subjectCosmic Rays-
dc.subjectPhoton Discrimination-
dc.subjectCherenkov Detectors-
dc.subjectSb parameter-
dc.subjectAstronomía-
dc.subjectCiencias Físicas-
dc.subjectCIENCIAS NATURALES Y EXACTAS-
dc.titleImproving photon-hadron discrimination based on cosmic ray surface detector data-
dc.typeinfo:eu-repo/semantics/article-
dc.typeinfo:eu-repo/semantics/publishedVersion-
dc.typeinfo:ar-repo/semantics/articulo-
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