Abstract
The ‘KASCADE Cosmic ray Data Centre’ is a web portal (https://kcdc.ikp.kit.edu), where the data of the astroparticle physics experiment KASCADE-Grande are made available for the interested public. The KASCADE experiment was a large-area detector for the measurement of high-energy cosmic rays via the detection of extensive air showers. The multi-detector installations KASCADE and its extension KASCADE-Grande stopped the active data acquisition in 2013 after more than 20 years of data taking. In several updates since our first release in 2013 with KCDC we provide the public measured and reconstructed parameters of more than 433 million air showers. In addition, KCDC provides meta data information and documentation to enable a user outside the community of experts to perform their own data analysis. Simulation data from three different high energy interaction models have been made available as well as a compilation of measured and published spectra from various experiments. In addition, detailed educational examples shall encourage high-school students and early stage researchers to learn about astroparticle physics, cosmic radiation as well as the handling of Big Data and about the sustainable and public provision of scientific data.
Highlights
The KASCADE Cosmic ray Data Centre (KCDC) provides access to the collected cosmic-ray data of the KASCADE and the KASCADE-Grande experiments
In this paper we aim to introduce KCDC, where this publication will serve as the reference for users of the data provided by KCDC
We present the advantages for physicists and non-scientists alike using the data source and the advantages KCDC offers for open data publications
Summary
The KASCADE Cosmic ray Data Centre (KCDC) provides access to the collected cosmic-ray data of the KASCADE and the KASCADE-Grande experiments. Several remarkable features have been observed in the all-particle energy spectrum as well as in the spectra of light and heavy cosmic rays: a kneelike structures in the light and heavy primary spectra at around 4 PeV and 80 PeV, respectively, and an ankle-like structure in the light primary spectrum at an energy of 100 PeV [1,2,3]. A first release [6] of KCDC is running since November 2013 with a positive response from the community and public users Motivated by this success, we had several KCDC updates, the last major release, called NABOO 1.0, in February 2017 and NABOO 2.0 and 2.1 in October 2017 and March 2018, respectively. With the latest updates we provide as well simulations, separately for the three detector components for direct download as ROOT files and the data points of 88 published spectra from 21 experiments
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