The Grenoble Analysis Toolkit (GreAT) - Application to cosmic-ray physics

A. Putze, L. Derome, H. Dickinson

Research output: Chapter in Book/Report/Conference proceedingConference contribution

5 Scopus citations

Abstract

The field of astroparticle physics is currently the focus of prolific scientific activity. In subsequent years, this field will undergo significant development thanks to current experiments such as CREAM, PAMELA, Fermi, and H.E.S.S.. Moreover, the next generation of instruments, such as AMS (launched on 16 May 2011) and CTA, will undoubtedly facilitate more sensitive and precise measurements of the cosmic-ray and γ-ray fluxes. To fully exploit the experimental data generated by these experiments, robust and efficient statistical tools such as Markov Chain Monte Carlo algorithms or Genetic algorithms, able to handle the complexity of joint parameter spaces and data sets, are necessary for a phenomenological interpretation. The Grenoble Analysis Toolkit (GreAT) is an user-friendly and modular object orientated framework in C++, which samples the user-defined parameter space with a pre- or user-defined algorithm. The functionality of GreAT will be presented in context of cosmic-ray physics, where the boron-to-carbon (B/C) ratio is used to constrain cosmic-ray propagation models.

Original languageEnglish (US)
Title of host publicationProceedings of the 32nd International Cosmic Ray Conference, ICRC 2011
PublisherInstitute of High Energy Physics
Pages260-262
Number of pages3
Volume6
DOIs
StatePublished - Jan 1 2011
Event32nd International Cosmic Ray Conference, ICRC 2011 - Beijing, China
Duration: Aug 11 2011Aug 18 2011

Other

Other32nd International Cosmic Ray Conference, ICRC 2011
CountryChina
CityBeijing
Period8/11/118/18/11

Keywords

  • Cosmic-ray physics
  • Global fitting
  • Markov chain monte carlo

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