A method to estimate primary composition with the Auger Observatory

Luiz Americo de Carvalho; Carola Dobrigkeit

A method to estimate primary composition with the Auger Observatory

高能物理 - 实验 2007-05-23 v1

作者: Luiz Americo de Carvalho , Carola Dobrigkeit

摘要

We explore the feasibility of estimating primary cosmic ray composition at ultra high energies from the sum of muon, electron and photon densities and the depth of maximum of extensive air showers detected by the Auger Observatory. From the information of the Fluorescence ( $X_{max}$ ) and water Cerenkov detectors ( $\rho(1000)$ ) we infere the most probable type of primary which originated the shower. The method is tested simulating Extensive Air Showers (EAS) at energies up to $10^{20}$ eV using a version of MOCCA/Sibyll adapted for Dec Alpha Servers. We also discuss some results on the mass composition using the depth of the shower maximum and the lateral distribution of showers in the energy range $10^{18}$ - $10^{20}$ eV.

关键词

pierre auger observatory extensive air showers cosmic rays and extensive air showers

引用

@article{arxiv.hep-ex/9905037,
  title  = {A method to estimate primary composition with the Auger Observatory},
  author = {Luiz Americo de Carvalho and Carola Dobrigkeit},
  journal= {arXiv preprint arXiv:hep-ex/9905037},
  year   = {2007}
}

备注

To be presented at 26th ICRC (Salt Lake City 1999)

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