| Title: | Extension of the measurement of the proton-air cross section with the Pierre Auger Observatory |
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| Authors: | ID Ulrich, Ralf (Author)
ID Filipčič, Andrej (Author)
ID Kukec Mezek, Gašper (Author)
ID Saleh, Ahmed (Author)
ID Stanič, Samo (Author)
ID Trini, Marta (Author)
ID Veberič, Darko (Author)
ID Vorobiov, Serguei (Author)
ID Yang, Lili (Author)
ID Zavrtanik, Danilo (Author)
ID Zavrtanik, Marko (Author), et al. |
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| Files: |  ICRC2015_401.pdf (114,02 KB)
MD5: E4CA20C53467DDCF708B4793E7521348
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| Language: | English |
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| Work type: | Not categorized |
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| Typology: | 1.08 - Published Scientific Conference Contribution |
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| Organization: | UNG - University of Nova Gorica
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| 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. |
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| Keywords: | Pierre Auger Observatory, extensive air showers, proton-air cross section, hadronic interaction models |
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| Publication status: | Published |
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| Year of publishing: | 2015 |
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| PID: | 20.500.12556/RUNG-2141  |
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| COBISS.SI-ID: | 4152571 |
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| NUK URN: | URN:SI:UNG:REP:08PXOBFA |
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| Publication date in RUNG: | 03.03.2016 |
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| Views: | 5741 |
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| Downloads: | 199 |
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| Metadata: |    |
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