Measurement of the proton-air cross-section at $\sqrt{s}=57$ TeV with the Pierre Auger Observatory
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. Analysi...
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| Veröffentlicht in: | Physical review letters 2012-07, Vol.109 (6) |
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| creator | Abreu, P. Avenier, M. Bérat, C. Chauvin, J. Koang, D.H. Le Coz, S. Lebrun, D. Louedec, K. Montanet, F. Stutz, A. Tartare, M. Bellétoile, A. Dallier, Richard Lautridou, Pascal Marin, V. Martin, Lilian Ravel, O. Revenu, Benoît Allard, D. Creusot, A. Decerprit, G. Lachaud, C. Parizot, E. Tristram, G. Bardenet, R. Cordier, A. Dagoret-Campagne, S. Garcia Gamez, D. Kégl, Balázs Monnier Ragaigne, D. Urban, Martin |
| description | 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. |
| doi_str_mv | 10.1103/PhysRevLett.109.062002 |
| format | Article |
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(FNAL), Batavia, IL (United States)</aucorp><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Measurement of the proton-air cross-section at $\sqrt{s}=57$ TeV with the Pierre Auger Observatory</atitle><jtitle>Physical review letters</jtitle><date>2012-07-02</date><risdate>2012</risdate><volume>109</volume><issue>6</issue><issn>0031-9007</issn><eissn>1079-7114</eissn><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. 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.</abstract><cop>United States</cop><pub>American Physical Society</pub><doi>10.1103/PhysRevLett.109.062002</doi><orcidid>https://orcid.org/0000-0001-9452-4849</orcidid><orcidid>https://orcid.org/0000-0003-1131-7030</orcidid><orcidid>https://orcid.org/0000-0001-8473-6303</orcidid><orcidid>https://orcid.org/0000-0002-1094-9493</orcidid><orcidid>https://orcid.org/0000-0001-8294-6294</orcidid><orcidid>https://orcid.org/0000-0002-9781-2632</orcidid><orcidid>https://orcid.org/0000-0002-7629-4805</orcidid></addata></record> |
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| source | American Physical Society Journals |
| subjects | Astrophysics CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS DISTRIBUTION High Energy Astrophysical Phenomena High Energy Physics - Experiment NUCLEONS PARTICLE PRODUCTION Physics Sciences of the Universe |
| title | Measurement of the proton-air cross-section at $\sqrt{s}=57$ TeV with the Pierre Auger Observatory |
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