Estimating the Depth of Shower Maximum using the Surface Detectors of the Pierre Auger Observatory (2019)
- Autor:
- Autor USP: PEIXOTO, CARLOS JOSÉ TODERO - EEL
- Unidade: EEL
- DOI: 10.22323/1.358.0440
- Assunto: RAIOS CÓSMICOS
- Language: Inglês
- Abstract: The Pierre Auger Collaboration has developed a method for estimating the depth of shower maximum (Xmax) using the risetime of the signals recorded by the array of water-Cherenkov detectors. The average value of Xmax is determined for energies above 3 EeV, using air showers with zenith angles up to 60◦ . The work described here considerably extends that reported previously with an increase in the total number of events by a factor 2.1. In total 125,005 events are used, of which 237 are above 50 EeV. The data set is approximately a factor 30 larger than what is available from fluorescence measurements for energies above 3 EeV. The results reinforce previous conclusions: the mean mass of high-energy cosmic rays begins to rise above 3 EeV and extend that finding to higher energies with greater precision. Additionally, we find strong discrepancies when we make a comparison between observations and predictions from simulations with values which are obtained from measurements of the risetime of the recorded signals.
- Imprenta:
- Publisher: C4
- Publisher place: Madison-WI
- Date published: 2019
- Source:
- Título: Anais do 36th International Cosmic Ray Conference (ICRC2019) - CRI - Cosmic Ray Indirect
- Volume/Número/Paginação/Ano: v.358, n.440, p.1-8, 2019
- Este periódico é de assinatura
- Este artigo é de acesso aberto
- URL de acesso aberto
- Cor do Acesso Aberto: hybrid
- Licença: cc-by-nc-nd
-
ABNT
PEIXOTO, Carlos Jose Todero. Estimating the Depth of Shower Maximum using the Surface Detectors of the Pierre Auger Observatory. Anais do 36th International Cosmic Ray Conference (ICRC2019) - CRI - Cosmic Ray Indirect. Madison-WI: C4. Disponível em: https://doi.org/doi.org/10.22323/1.358.0440. Acesso em: 27 dez. 2025. , 2019 -
APA
Peixoto, C. J. T. (2019). Estimating the Depth of Shower Maximum using the Surface Detectors of the Pierre Auger Observatory. Anais do 36th International Cosmic Ray Conference (ICRC2019) - CRI - Cosmic Ray Indirect. Madison-WI: C4. doi:10.22323/1.358.0440 -
NLM
Peixoto CJT. Estimating the Depth of Shower Maximum using the Surface Detectors of the Pierre Auger Observatory [Internet]. Anais do 36th International Cosmic Ray Conference (ICRC2019) - CRI - Cosmic Ray Indirect. 2019 ;358( 440): 1-8.[citado 2025 dez. 27 ] Available from: https://doi.org/doi.org/10.22323/1.358.0440 -
Vancouver
Peixoto CJT. Estimating the Depth of Shower Maximum using the Surface Detectors of the Pierre Auger Observatory [Internet]. Anais do 36th International Cosmic Ray Conference (ICRC2019) - CRI - Cosmic Ray Indirect. 2019 ;358( 440): 1-8.[citado 2025 dez. 27 ] Available from: https://doi.org/doi.org/10.22323/1.358.0440 - Composition Classification of Ultra-High Energy Cosmic Rays
- Deep learning techniques applied to the physics of extensive air showers
- Monte Carlo performance studies for the site selection of the Cherenkov Telescope Array
- Cosmic rays: the spectrum and chemical composition from '10 POT. 10' to '10 POT. 20' eV
- Detailed studies in high energy ranges about 〈xmax〉 and RMS of extensive air showers
- Signatures of ultra-high energy cosmic ray sources in large-scale anisotropy measurements
- Probing the radio emission from air showers with polarization measurements
- Gerador trifásico de baixo custo para o ensino de física
- A Targeted Search for Point Sources of EeV Neutrons
- Ultrahigh Energy Neutrinos at the Pierre Auger Observatory
Informações sobre o DOI: 10.22323/1.358.0440 (Fonte: oaDOI API)
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