TY  - JOUR
AU  - Pierre Auger Collaboration (Abreu, P. et al
AU  - Pastor, S.
PY  - 2012
DA  - 2012//
TI  - Measurement of the Proton-Air Cross Section at root s=57 TeV with the Pierre Auger Observatory
T2  - Phys. Rev. Lett.
JO  - Physical Review Letters
SP  - 062002
EP  - 9pp
VL  - 109
IS  - 6
PB  - Amer Physical Soc
AB  - 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.
SN  - 0031-9007
UR  - http://arxiv.org/abs/1208.1520
UR  - https://doi.org/10.1103/PhysRevLett.109.062002
DO  - 10.1103/PhysRevLett.109.062002
LA  - English
N1  - WOS:000307381900002
ID  - PierreAugerCollaborationAbreu+Pastor2012
ER  -