Berlin 2014 – wissenschaftliches Programm

Bereiche | Tage | Auswahl | Suche | Aktualisierungen | Downloads | Hilfe

EP: Fachverband Extraterrestrische Physik

EP 2: Erdnaher Weltraum

EP 2.2: Vortrag

Montag, 17. März 2014, 17:00–17:15, DO24 1.103

Neutron monitor measurements on the German research vessel Polarstern * First results — •B. Heber1, C. Schwerdt2, M. Walter2, G. Bernade3, R. Fuchs3, H. Krüger3, and H. Moraal31Insititut für Experimentelle und Angewandte Physik, Christian-Albrechts-Universität zu Kiel — 2Deutsches Elektronen-Synchrotron DESY, D-15738 Zeuthen — 3Center for Space Research, North-West University, Potchefstroom 2520, South Africa

Cosmic-ray particles provide a unique opportunity to probe the dynamic conditions in the highly variable heliosphere. The longest continuous measurements of galactic cosmic rays come from cosmogenic isotopes and from neutron monitors located at different location on Earth. Understanding the effects of energetic particles in and on the atmosphere and the environment of Earth must address their transport to Earth and their interactions with the Earth’s atmosphere, including their filtering by the terrestrial magnetosphere. Since neutron monitors are integral detectors of secondary cosmic rays produced in the atmosphere, a single neutron monitor can only derive the energy spectra of the particles impinging on the Earth during latitudinal surveys. A portable neutron monitor was built at the North-West University, South Africa, and was installed on the German research vessel Polarstern. Such latitude surveys have been done before, but this vessel is better suited for this purpose than previous platforms because it traverses all the locations with geomagnetic cutoff rigidities from ≪ 1 GV to 15 GV at least twice per year. In this contribution we present first results from the measurement campaigns.

100% | Mobil-Ansicht | English Version | Kontakt/Impressum/Datenschutz
DPG-Physik > DPG-Verhandlungen > 2014 > Berlin