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International Symposium on Future Directions in UHECR Physics

13–16 Feb 2012
CERN
Europe/Zurich timezone

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Session

UHECR and particle shower

14 Feb 2012, 11:30
500/1-001 - Main Auditorium (CERN)

500/1-001 - Main Auditorium

CERN

CERN, Geneva
400
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Conveners

UHECR and particle shower

  • Gordon Thomson (University of Utah)

Presentation materials

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  1. 104. Mass Sensitive Observables of the Pierre Auger Observatory and Their Possible Implications
    Michael Unger (KIT - Karlsruhe Institute of Technology (DE))
    14/02/2012, 11:30
    talk
    In this presentation we will discuss measurements of the longitudinal development of air showers at the Pierre Auger Observatory. The longitudinal development can be directly observed by the fluorescence telescopes of Auger and we will present the results on the evolution of the average of the shower maximum and its fluctuations as a function of energy. Moreover, two observables from the...
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  2. 75. HiRes and TA Composition Measurements
    Yuichiro Tameda (Institute for Cosmic Ray Research, University of Tokyo)
    14/02/2012, 11:50
    talk
    In order to clarify the origin of ultra high energy cosmic rays (UHECRs), it is very important to determine the mass composition. The most effective strategy to determine the mass composition is Xmax technique. Xmax is the atmospheric depth of air shower maximum measured by fluorescence detectors (FDs). HiRes has reported Xmax measurement by FDs which indicated proton dominated mass...
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  3. 7. WG Review of UHECR composition data
    Dr Jose Bellido (The University of Adelaide)
    14/02/2012, 12:10
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