Muons in large extensive air showers

1969 ◽  
Vol 47 (13) ◽  
pp. 1427-1428
Author(s):  
J. C. Earnshaw ◽  
K. J. Orford ◽  
K. E. Turver
Keyword(s):  
Transverse Momentum ◽  
Cosmic Rays ◽  
Alternative Explanation ◽  
Extensive Air Showers ◽  
Large Transverse Momentum ◽  
Air Showers ◽  
Muon Component ◽  
International Conference

An error in the data on the muon component of extensive air showers presented at the 10th International Conference on Cosmic Rays is corrected. The effect on the explanation of the anomalies in the muon data which involved an abnormally large transverse momentum is considered, and an alternative explanation for the persisting anomalies in the data is suggested.

scholarly journals Atmospheric Monitoring at a Cosmic Ray Observatory - a long-lasting endeavour

2019 ◽  
Vol 197 ◽  
pp. 02001
Author(s):  
Bianca Keilhauer
Keyword(s):  
Cosmic Rays ◽  
Cosmic Ray ◽  
Extensive Air Showers ◽  
Pierre Auger Observatory ◽  
Ultrahigh Energy ◽  
Atmospheric Conditions ◽  
Air Showers ◽  
Atmospheric Monitoring ◽  
Surface Detector ◽  
Planning And Construction

The Pierre Auger Observatory for detecting ultrahigh energy cosmic rays has been founded in 1999. After a main planning and construction phase of about five years, the regular data taking started in 2004, but it took another four years until the full surface detector array was deployed. In parallel to the main detectors of the Observatory, a comprehensive set of instruments for monitoring the atmospheric conditions above the array was developed and installed as varying atmospheric conditions influence the development and detection of extensive air showers. The multitude of atmospheric monitoring installations at the Pierre Auger Observatory will be presented as well as the challenges and efforts to run such instruments for several decades.

scholarly journals On the Detection of Heavy Primaries above 1014 EV

1981 ◽  
Vol 94 ◽  
pp. 71-72
Author(s):  
T. K. Gaisser ◽  
Todor Stanev ◽  
Phyllis Freier ◽  
C. Jake Waddington
Keyword(s):  
Chemical Composition ◽  
Cosmic Rays ◽  
Total Energy ◽  
Extensive Air Showers ◽  
Heavy Nuclei ◽  
Air Showers ◽  
Hadronic Interactions ◽  
Primary Particles ◽  
Source Of Information ◽  
Primary Cosmic Rays

Knowledge of the chemical composition is fundamental to understanding the origin, acceleration and propagation of cosmic rays. At energies much above 1014 eV, however, the detection of single primary cosmic rays is at present impossible because of their low flux, and the only source of information is from the cascades initiated by energetic primary particles in the atmosphere–the extensive air showers (EAS). A similar situation exists for the study of hadronic interactions above 1015 eV. A recent EAS experiment (Goodman et al., 1979) suggests the possibility that the spectrum becomes increasingly rich in heavy nuclei as the total energy per nucleus approaches 1015 eV. Above that energy the overall spectrum steepens and the question of composition is almost completely open.

scholarly journals The hadronic interaction model Sibyll 2.3c and muon production in extensive air-showers

2019 ◽  
Vol 208 ◽  
pp. 11002 ◽  
Author(s):  
Felix Riehn ◽  
Ralph Engel ◽  
Anatoli Fedynitch ◽  
Thomas K. Gaisser ◽  
Todor Stanev
Keyword(s):  
Cosmic Rays ◽  
Interaction Model ◽  
High Energy ◽  
Extensive Air Showers ◽  
Ultra High Energy ◽  
Air Showers ◽  
Hadronic Interaction ◽  
High Energy Cosmic Rays ◽  
Muon Production

One of the applications of the hadronic interaction model Sibyll is the simulation of extensive air showers of ultra-high energy cosmic rays. In recent years it has become more and more clear that simulations do not agree with measurements when it comes to observables related to muons in air showers. We discuss the processes in Sibyll that are directly related to muon production in extensive air showers and describe their relation to shower observables.

Detection of reflected Cherenkov light from extensive air showers in the SPHERE experiment as a method of studying superhigh energy cosmic rays

2015 ◽  
Vol 46 (1) ◽  
pp. 60-93 ◽  
Author(s):  
R. A. Antonov ◽  
T. V. Aulova ◽  
E. A. Bonvech ◽  
V. I. Galkin ◽  
T. A. Dzhatdoev ◽  
...  
Keyword(s):  
Cosmic Rays ◽  
Extensive Air Showers ◽  
Cherenkov Light ◽  
Air Showers ◽  
Superhigh Energy
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