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Abstract:

Atmospheric conditions, such as the pressure (P), temperature (T) or air density (-/ P=T), affect the development of extended air showers initiated by energetic cosmic rays. We study the impact of the atmospheric variations on the reconstruction of air showers with data from the arrays of surface detectors of the Pierre Auger Observatory, considering separately the one with detector spacings of 1500m and the one with 750m spacing. We observe modulations in the event rates that are due to the influence of the air density and pressure variations on the measured signals, from which the energy estimators are obtained. We show how the energy assignment can be corrected to account for such atmospheric effects.

Registro:

Documento: Artículo
Título:Impact of atmospheric effects on the energy reconstruction of air showers observed by the surface detectors of the Pierre Auger Observatory
Autor:Aab, A. et al.
Este artículo contiene 410 autores, consultelos en el artículo en formato pdf.
Filiación: Este artículo contiene 410 autores con sus filiaciones, consultelas en el artículo en formato pdf.
Palabras clave:Cherenkov detectors Data analysis; Large detector systems for particle and astroparticle physics; Systematic effects; Air; Augers; Cosmology; Astroparticle physics; Atmospheric conditions; Atmospheric variations; Cherenkov Detectors; Energy reconstruction; Extended air showers; Pierre Auger observatory; Systematic effects; Observatories
Año:2017
Volumen:12
Número:2
DOI: http://dx.doi.org/10.1088/1748-0221/12/02/P02006
Título revista:Journal of Instrumentation
Título revista abreviado:J. Instrum.
ISSN:17480221
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_17480221_v12_n2_p_Aab

Referencias:

  • Abraham, J., Atmospheric effects on extensive air showers observed with the Surface Detector of the Pierre Auger Observatory (2009) Astropart. Phys., 32, p. 89. , [Erratum ibid. 33 (2010) 65]
  • Aab, A., Large Scale Distribution of Ultra High Energy Cosmic Rays Detected at the Pierre Auger Observatory with Zenith Angles up to 80 (2015) Astrophys. J., 802, p. 111. , Pierre Auger collaboration
  • Aab, A., Searches for Large-Scale Anisotropy in the Arrival Directions of Cosmic Rays Detected above Energy of 1019 eV at the Pierre Auger Observatory and the Telescope Array (2014) Astrophys. J., 794, p. 172. , Pierre Auger, Telescope Array collaborations
  • Abreu, P., Constraints on the origin of cosmic rays above 1018 eV from large scale anisotropy searches in data of the Pierre Auger Observatory (2012) Astrophys. J., 762, p. L13. , Pierre Auger collaboration
  • Abreu, P., Large scale distribution of arrival directions of cosmic rays detected above 1018 eV at the Pierre Auger Observatory (2012) Astrophys. J. Suppl., 203, p. 34. , Pierre Auger collaboration
  • Abreu, P., Search for First Harmonic Modulation in the Right Ascension Distribution of Cosmic Rays Detected at the Pierre Auger Observatory (2011) Astropart. Phys., 34, p. 627. , Pierre Auger collaboration
  • Aab, A., The pierre auger cosmic ray observatory (2015) Nucl. Instrum. Meth. A, 798, p. 172. , Pierre Auger collaboration
  • Valiño, I., The Flux of Ultra-high Energy Cosmic Rays after Ten Years of Operation of the Pierre Auger Observatory, , PoS(ICRC2015)271
  • Abraham, J., Trigger and aperture of the surface detector array of the Pierre Auger Observatory (2010) Nucl. Instrum. Meth. A, 613, p. 29. , Pierre Auger collaboration
  • Seidel, D.J., Free, M., Wang, J., Diurnal cycle of upper-air temperature estimated from radiosondes (2005) J. Geophys. Res., 110, p. D09102
  • Abreu, P., Description of Atmospheric Conditions at the Pierre Auger Observatory using the Global Data Assimilation System (GDAS) (2012) Astropart. Phys., 35, p. 591. , Pierre Auger collaboration

Citas:

---------- APA ----------
(2017) . Impact of atmospheric effects on the energy reconstruction of air showers observed by the surface detectors of the Pierre Auger Observatory. Journal of Instrumentation, 12(2).
http://dx.doi.org/10.1088/1748-0221/12/02/P02006
---------- CHICAGO ----------
Aab, A. "Impact of atmospheric effects on the energy reconstruction of air showers observed by the surface detectors of the Pierre Auger Observatory" . Journal of Instrumentation 12, no. 2 (2017).
http://dx.doi.org/10.1088/1748-0221/12/02/P02006
---------- MLA ----------
Aab, A. "Impact of atmospheric effects on the energy reconstruction of air showers observed by the surface detectors of the Pierre Auger Observatory" . Journal of Instrumentation, vol. 12, no. 2, 2017.
http://dx.doi.org/10.1088/1748-0221/12/02/P02006
---------- VANCOUVER ----------
Aab, A. Impact of atmospheric effects on the energy reconstruction of air showers observed by the surface detectors of the Pierre Auger Observatory. J. Instrum. 2017;12(2).
http://dx.doi.org/10.1088/1748-0221/12/02/P02006