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Testing the low energy hadronic models used in AIRES with CAPRICE98 results
KTH, School of Engineering Sciences (SCI), Physics.
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2007 (English)In: Proceedings of the 30th International Cosmic Ray Conference, ICRC 2007, Universidad Nacional Autonoma de Mexico , 2007, Vol. 4, no HE PART 1, 589-592 p.Conference paper, Published paper (Refereed)
Abstract [en]

Air shower simulation programs are used to reconstruct the energy in the UHECR surface detectors. This reconstruction is based on the lateral distribution function obtained in the experiment. It is also known that this function at core distance greater than 1 km strongly depends on the low energy hadronic models used in the simulation. There are discrepancies in the particle production due to the different models that are used. This discrepancy is not only at high (> 100GeV ) but also at low energy. Almost all collider experiments show difficulties in the measurement of the diffractive cross section since they do not register particles emitted into the forward direction. A new version of the air shower simulation programs AIRES, with an improved treatment of the diffractive cross section in the low energy hadronic model was developed. To cross-check this model, we compare the results of the balloon born experiment CAPRICE98, on atmospheric fluxes of particles with this new version of AIRES.

Place, publisher, year, edition, pages
Universidad Nacional Autonoma de Mexico , 2007. Vol. 4, no HE PART 1, 589-592 p.
Keyword [en]
Cosmic rays, Experiments, Air showers, Atmospheric fluxes, Collider, Hadronic models, Particle production, Simulation program, Surface detectors
National Category
Physical Sciences
Identifiers
URN: urn:nbn:se:kth:diva-164389Scopus ID: 2-s2.0-84899561036OAI: oai:DiVA.org:kth-164389DiVA: diva2:805710
Conference
30th International Cosmic Ray Conference, ICRC 2007, 3 July 2007 through 11 July 2007, Merida, Yucatan, Mexico
Note

QC 20150416

Available from: 2015-04-16 Created: 2015-04-16 Last updated: 2015-04-16Bibliographically approved

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