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Title: Measurement of the Muon Production Depths at the Pierre Auger Observatory

The muon content of extensive air showers is an observable sensitive to the primary composition and to the hadronic interaction properties. The Pierre Auger Observatory uses water-Cherenkov detectors to measure particle densities at the ground and therefore is sensitive to the muon content of air showers. We present here a method which allows us to estimate the muon production depths by exploiting the measurement of the muon arrival times at the ground recorded with the Surface Detector of the Pierre Auger Observatory. The analysis is performed in a large range of zenith angles, thanks to the capability of estimating and subtracting the electromagnetic component, and for energies between $$10^{19.2}$$ and $$10^{20}$$ eV.
Authors:
 [1]
  1. INFN, Turin (Italy). et al.
Publication Date:
OSTI Identifier:
1327018
Report Number(s):
FERMILAB-PUB-16-356-AD-AE-CD-TD; arXiv:1609.02498
Journal ID: ISSN 2190-5444; 1485682
Grant/Contract Number:
AC02-07CH11359
Type:
Accepted Manuscript
Journal Name:
European Physical Journal Plus
Additional Journal Information:
Journal Volume: 131; Journal ID: ISSN 2190-5444
Publisher:
Springer
Research Org:
Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States)
Sponsoring Org:
USDOE Office of Science (SC), High Energy Physics (HEP) (SC-25)
Contributing Orgs:
Pierre Auger Collaboration
Country of Publication:
United States
Language:
English
Subject:
79 ASTRONOMY AND ASTROPHYSICS; 72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS