211 articles – 1952 references  [version française]
HAL: in2p3-00723317, version 1

Detailed view  Export this paper
Physical Review Letters 109 (2012) 062002
Measurement of the proton-air cross-section at $\sqrt{s}=57$ TeV with the Pierre Auger Observatory
P. Abreu, M. Avenier1, C. Bérat1, J. Chauvin1, D.H. Koang1, S. Le Coz1, D. Lebrun1, K. Louedec1, F. Montanet1, A. Stutz1, M. Tartare1, A. Bellétoile2, R. Dallier2, P. Lautridou2, V. Marin2, L. Martin2, O. Ravel2, Benoît Revenu2, D. Allard3, A. Creusot3, G. Decerprit3, C. Lachaud3, E. Parizot3, G. Tristram3, R. Bardenet4, A. Cordier4, S. Dagoret-Campagne4, D. Garcia Gamez4, B. Kégl4, K. Louedec1, 4, D. Monnier Ragaigne4, M. Urban4
For the PIERRE AUGER collaboration(s)
(2012)

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. Analysing the tail of the distribution of the shower maxima, a proton-air cross-section of $[505\pm22(stat)^{+28}_{-36}(sys)]$ mb is found.
1:  LPSC - Laboratoire de Physique Subatomique et de Cosmologie
2:  SUBATECH - Laboratoire SUBATECH Nantes
3:  APC - UMR 7164 - AstroParticule et Cosmologie
4:  LAL - Laboratoire de l'Accélérateur Linéaire
APC - AHE
Physics/Astrophysics/High Energy Astrophysical Phenomena

Sciences of the Universe/Astrophysics/High Energy Astrophysical Phenomena

Physics/High Energy Physics - Experiment
Fulltext link: 
http://fr.arXiv.org/abs/1208.1520