Details

Autor(en) / Beteiligte

• Gottowik, Marvin
• Glaser, Christian
• Huege, Tim
• Rautenberg, Julian
• Capone, A.
• Piattelli, P.
• Riccobene, G.
• Biagi, S.
• Distefano, C.

Titel

Systematic uncertainty of first-principle calculations of the radiation energy emitted by extensive air showers

Ist Teil von

• EPJ Web of Conferences, 2019, Vol.216, p.3008

Ort / Verlag

Les Ulis: EDP Sciences

Erscheinungsjahr

2019

Quelle

EZB Electronic Journals Library

Beschreibungen/Notizen

• The energy of extensive air showers can be determined from the energy radiated in the form of radio signals. The so-called radiation energy can be predicted with modern simulation codes using first-principle calculations without the need of free parameters. Here, we verify the consistency of radiation energy calculations by comparing a large set of Monte Carlo simulations made with the two codes CoREAS and ZHAireS. For the frequency band of 30 — 80 MHz, typically used by many current radio detectors, we observe a difference in the radiation energy prediction of 5.2%. This corresponds to a radio emission modelling uncertainty of 2.6% for thedetermination of the absolute cosmic-ray energy scale. Hence, radio detection offers the opportunity for a precise, accurate and independent measurement of the absolute energy of cosmic rays.