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Extension of the measurement of the proton-air cross section with the Pierre Auger Observatory
Marko Zavrtanik, Danilo Zavrtanik, Lili Yang, Serguei Vorobiov, Darko Veberič, Marta Trini, Samo Stanič, Ahmed Saleh, Gašper Kukec Mezek, Andrej Filipčič, Ralf Ulrich, 2015, published scientific conference contribution

Abstract: With hybrid data of the Pierre Auger Observatory it is possible to measure the cross section of proton-air collisions at energies far beyond the reach of the LHC. Since the first measurement by the Pierre Auger Collaboration the event statistics has increased significantly. The proton-air cross section is now estimated in the two energy intervals in lg(E/eV) from 17.8 to 18 and from 18 to 18.5. These energies are chosen so that they maximise the available event statistics and at the same time lie in the region most compatible with a significant primary proton fraction. Of these data, only the 20% of most proton-like events are considered for the measurement. Furthermore, with a new generation of hadronic interaction models which have been tuned to LHC data, the model-dependent uncertainties of the measurement are re-visited.
Found in: osebi
Keywords: Pierre Auger Observatory, extensive air showers, proton-air cross section, hadronic interaction models
Published: 03.03.2016; Views: 2737; Downloads: 149
.pdf Fulltext (114,02 KB)

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Boundary element simulation of linear water waves in a model basin
Clemens Hofreither, Ulrich Langer, Satyendra Tomar, 2010, published scientific conference contribution

Found in: osebi
Keywords: boundary element method, linear water waves, hierarchical matrix representation, data-sparse matrix approximation
Published: 13.11.2018; Views: 1751; Downloads: 24
.pdf Fulltext (210,55 KB)
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Cloud and Atmosphere Metagenomics
Tina Šantl Temkiv, Kai Finster, Ulrich Gosewinkel, 2014, professional entry in dictionary, encyclopaedia or lexicon

Found in: osebi
Keywords: airborne microorganisms, atmosphere metagenomics
Published: 08.01.2021; Views: 861; Downloads: 0
.pdf Fulltext (121,57 KB)

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