Measurement of the Proton-Air Cross-Section at √(s) = 57 TeV with the Pierre Auger Observatory
Journal Article
·
· Physical Review Letters
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. Analyzing the tail of the distribution of the shower maxima, a proton-air cross section of [505±22(stat)-36+28(syst)] mb is found.
- Research Organization:
- Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States)
- Sponsoring Organization:
- USDOE Office of Science (SC)
- Contributing Organization:
- The Pierre Auger Collaboration
- DOE Contract Number:
- AC02-07CH11359
- OSTI ID:
- 1029341
- Report Number(s):
- FERMILAB-PUB-11-489-AD-AE-CD-TD; TRN: US201123%%234
- Journal Information:
- Physical Review Letters, Vol. 109, Issue 6; ISSN 0031-9007
- Publisher:
- American Physical Society (APS)
- Country of Publication:
- United States
- Language:
- English
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Measurement of the Proton-Air Cross-Section at $\sqrt{s} = 57$ TeV With the Pierre Auger Observatory
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· Submitted to Phys.Rev.Lett.
·
OSTI ID:1029341