The high energy muon spectrum in extensive air showers: First data from LVD and EAS-TOP at Gran Sasso

M. Aglietta, B. Alessandro, B. Alpat, E. D. Alyea, P. Antonioli, F. Arneodo, G. Badino, G. Bari, M. Basile, V. S. Berezinsky, L. Bergamasco, F. Bersani, M. Bertaina, R. Bertoni, G. Bonoli, A. Bosco, G. Bruni, A. Campos Fauth, G. Cara Romeo, C. CastagnoliA. Castellina, A. Chiavassa, J. A. Chinellato, L. Cifarelli, F. Cindolo, G. Cini Castagnoli, G. Conforto, A. Contin, V. L. Dadykin, A. De Silva, M. Deutsch, B. D'Ettorre Piazzoli, G. Di Sciascio, P. Dominici, L. G. Dos Santos, L. Emaldi, R. I. Enikeev, F. L. Fabbri, W. Fulgione, P. Galeotti, C. Ghetti, P. L. Ghia, P. Giusti, R. Granella, F. Grianti, G. Guidi, E. S. Hafen, P. Haridas, G. Iacobucci, M. Iacovacci, N. Inoue, E. Kemp, F. F. Khalchukov, E. V. Korolkova, P. V. Korchaguin, V. B. Korchaguin, V. A. Kudryavtsev, K. Lau, A. Lima De Godoi, M. L. Luvisetto, G. Maccarrone, A. S. Malguin, G. Mannocchi, R. Mantovani, T. Massam, B. Mayes, A. Megna, N. Mengotti Silva, C. Morello, J. Moromisato, R. Nania, G. Navarra, H. Nogima, L. Panaro, L. Periale, A. Pesci, P. Picchi, L. Pinsky, I. A. Pless, J. Pyrlik, V. G. Ryasny, O. G. Ryazhskaya, O. Saavedra, K. Saitoh, S. Santini, G. Sartorelli, M. Selvi, N. Taborgna, V. P. Talochkin, J. Tang, G. C. Trinchero, S. Tsuji, A. Turtelli, I. Uman, P. Vallania, S. Vernetto, F. Vetrano, C. Vigorito

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9 Scopus citations

Abstract

We present evidence for a dependence of the average deep underground muon energies on shower size in the coincident EAS-TOP and LVD data at the Gran Sasso laboratories. The measured relation agrees with a mixed chemical composition of the cosmic ray primary spectrum at energies around 1015 eV.

Original languageEnglish
Pages (from-to)185-192
Number of pages8
JournalAstroparticle Physics
Volume9
Issue number3
DOIs
StatePublished - Oct 1998
Externally publishedYes

Bibliographical note

Funding Information:
We wish to thankt he staffo f theG ran SassoL ab-oratory for their aid and collaborationT. his work is supportedb y the Italian Institutef or Nuclear Physics (INFN) and in part by the ItalianM inistry of Universitya nd Scientific-TechnologicRael search (MURST), the Italian Consiglio Nazionale delle Ricerche( CNR), t heR ussianM inistryo f Sciencea nd TechnicaPl olicy, the RussianF oundo f Fundamental Researche(sg rant9 6-02-1 9007)t)h eU S Department of Energy,t he US NationalS cienceF oundationt,h e Stateo f Texasu nderi ts TATRP programa, ndB rown University.

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