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Title: Measurement of the Proton-Air Cross-Section at $$\sqrt{s} = 57$$ TeV With the Pierre Auger Observatory

Journal Article · · Submitted to Phys.Rev.Lett.

We report a measurement of the proton-air cross-section for particle production at the center-of-mass energy per nucleon of 57 TeV. This is derived from the distribution of the depths of shower maxima observed with the Pierre Auger Observatory: systematic uncertainties are studied in detail.

Research Organization:
Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States)
Sponsoring Organization:
USDOE Office of Science (SC)
DOE Contract Number:
AC02-07CH11359
OSTI ID:
1045506
Report Number(s):
FERMILAB-PUB-12-327-AD-AE-CD-TD; TRN: US1203632
Journal Information:
Submitted to Phys.Rev.Lett., Vol. 109, Issue 6; ISSN 0031--9007
Country of Publication:
United States
Language:
English

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