Origin of the light cosmic ray component below the ankle

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68378271%3A_____%2F18%3A00546850" target="_blank" >RIV/68378271:_____/18:00546850 - isvavai.cz</a>
Result on the web
<a href="https://doi.org/10.1103/PhysRevD.98.103016" target="_blank" >https://doi.org/10.1103/PhysRevD.98.103016</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1103/PhysRevD.98.103016" target="_blank" >10.1103/PhysRevD.98.103016</a>

Result language
angličtina
Original language name
Origin of the light cosmic ray component below the ankle
Original language description
The origin and nature of the ultrahigh energy cosmic rays remains a mystery. However, considerable progress has been achieved in past years due to observations performed by the Pierre Auger Observatory and Telescope Array. Above 10(18) eV the observed energy spectrum presents two features: a hardening of the slope at similar to 10(18.6) eV, which is known as the ankle, and a suppression at similar to 10(19.6) eV. The composition inferred from the experimental data, interpreted by using the current high energy hadronic interaction models, seems to be light below the ankle, showing a trend to heavier nuclei for increasing values of the primary energy. Also, the anisotropy information is consistent with an extragalactic origin of this light component that would dominate the spectrum below the ankle.
Czech name
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Czech description
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Type
J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database
CEP classification
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OECD FORD branch
10303 - Particles and field physics

Publication year
2018
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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