Nuclear physics meets the sources of the ultra-high energy cosmic rays
- Date
- Jun 24, 2016
- Time
- 1:30 PM - 3:30 PM
- Speaker
- Denise Boncioli
- Language
- en
- Main Topic
- Physik
- Other Topics
- Willkommen
- Host
- B. Kämpfer, R. Schwengner
- Description
- Ultra high energy cosmic rays (UHECRs) are charged particles of astrophysical origin with energies above $10^{18}$ eV. UHECRs are expected to be accelerated in astrophysical sources and to travel through extragalactic space before hitting the Earth's atmosphere. They are supposed to interact with the photon fields within the source and with the background fields during propagation. Since recent measurements indicate that UHECR may be considerably heavier than protons, we review the status of the required nuclear cross section measurements and compare this information to the prediction from nuclear models. We furthermore study the impact of model uncertainties within the sources of the UHECRs, and we illustrate what information is needed for reliable predictions.
Last modified: Jun 24, 2016, 9:58:40 AM
Location
Helmholtz-Zentrum Dresden-Rossendorf (620/018 - Kleiner Hörsaal Kernphysik)Bautzner Landstraße40001328Dresden
- HZDR
- Homepage
- http://www.hzdr.de
Organizer
Helmholtz-Zentrum Dresden-RossendorfBautzner Landstraße40001328Dresden
- HZDR
- Homepage
- http://www.hzdr.de
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