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Dokumenttyp:
Journal Article
Autor(en):
Abreu, P; Aglietta, M; Ahn, EJ; Albuquerque, IF; Allard, D; Allekotte, I; Allen, J; Allison, P; Almeda, A; Alvarez Castillo, J; Alvarez-Muñiz, J; Ambrosio, M; Aminaei, A; Anchordoqui, L; Andringa, S; Anti?i?, T; Aramo, C; Arganda, E; Arqueros, F; Asorey, H; Assis, P; Aublin, J; Ave, M; Avenier, M; Avila, G; Bäcker, T; Balzer, M; Barber, KB; Barbosa, AF; Bardenet, R; Barroso, SL; Baughman, B; Bäuml, J; Beatty, JJ; Becker, BR; Becker, KH; Bellétoile, A; Bellido, JA; Benzvi, S; Berat, C; Bertou, X;...     »
Titel:
Measurement of the proton-air cross section at ?s=57 TeV with the Pierre Auger Observatory.
Abstract:
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.
Zeitschriftentitel:
Phys Rev Lett
Jahr:
2012
Band / Volume:
109
Heft / Issue:
6
Seitenangaben Beitrag:
062002
Sprache:
eng
PubMed:
http://view.ncbi.nlm.nih.gov/pubmed/23006259
Print-ISSN:
0031-9007
TUM Einrichtung:
Klinik und Poliklinik für Psychiatrie und Psychotherapie
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