STUDY OF THE PRIMARY COSMIC-RAY COMPOSITION AROUND THE KNEE OF THE ENERGY-SPECTRUM Academic Article uri icon

abstract

  • A study of the primary cosmic ray composition in the energy range 510 14 -510 15 eV is performed through the analysis of the deep underground muons and of the e.m. component of Extensive Air Showers detected in coincidence by the MACRO and EAS-TOP experiments at the Gran Sasso Laboratory. We conclude that: a) pure proton and Iron primary beams are excluded by the experimental data; b) a fraction of nuclei heavier than Helium is necessary to explain the experimental data both below and above the knee; c) a mixed composition, obtained a priori from extrapolations of the spectra directly measured below 100 TeV, yields a reasonable account of the observations up to the knee of the primary spectrum. 1994.

published proceedings

  • PHYSICS LETTERS B

author list (cited authors)

  • AGLIETTA, M., ALESSANDRO, B., ANTONIOLI, P., ARNEODO, F., BERGAMASCO, L., BERTAINA, M., ... WORSTELL, W.

citation count

  • 33

complete list of authors

  • AGLIETTA, M||ALESSANDRO, B||ANTONIOLI, P||ARNEODO, F||BERGAMASCO, L||BERTAINA, M||FAUTH, AC||CASTAGNOLI, C||CASTELLINA, A||CATTADORI, C||CHIAVASSA, A||CINI, G||PIAZZOLI, BD||DISCIASCIO, G||FULGIONE, W||GALEOTTI, P||GHIA, PL||IACOVACCI, M||MANNOCCHI, G||MELAGRANA, C||MORELLO, C||NAVARRA, G||RICCATI, L||SAAVEDRA, O||TRINCHERO, GC||VALLANIA, P||VERNETTO, S||AHLEN, S||AMBROSIO, M||ANTOLINI, R||AURIEMMA, G||BAKER, R||BALDINI, A||BARBARINO, GC||BARISH, BC||BATTISTONI, G||BELLOTTI, R||BEMPORAD, C||BERNARDINI, P||BILOKON, H||BISI, V||BLOISE, C||BOWER, C||BUSSINO, S||CAFAGNA, F||CALICCHIO, M||CAMPANA, D||CARBONI, M||CECCHINI, S||CEI, F||CHIARELLA, V||CORMACK, R||CORONA, A||COUTU, S||DECATALDO, G||DEKHISSI, H||DEMARZO, C||DE MITRI, L||DEVINCENZI, M||DICREDICO, A||DIEHL, E||ERRIQUEZ, O||FAVUZZI, C||FICENEC, D||FORTI, C||FUSCO, P||GIACOMELLI, G||GIANNINI, G||GIGLIETTO, N||GORETTI, M||GRASSI, M||GREEN, P||GRILLO, A||GUARINO, F||GUARNACCIA, P||GUSTAVINO, C||HABIG, A||HANSON, K||HEINZ, R||HONG, JT||IAROCCI, E||KATSAVOUNIDIS, E||KEARNS, E||KLEIN, S||KYRIAZOPOULOU, S||LAMANNA, E||LANE, C||LEVIN, DS||LIPARI, P||LIU, G||LIU, R||LONGO, MJ||LU, Y||LUDLAM, G||MANCARELLA, G||MANDRIOLI, G||MARGIOTTANERI, A||MARIN, A||MARINI, A||MARTELLO, D||CHIESA, AM||MATTEUZZI, P||MAZZIOTTA, MN||MICHAEL, DG||MIKHEYEV, S||MILLER, L||MITTELBRUN, M||MONACELLI, P||MONTARULI, T||MONTENO, M||MUFSON, S||MUSSER, J||NICOLO, D||NOLTY, R||NUTTER, S||OKADA, C||OSTERIA, G||PALAMARA, O||PARLATI, S||PATERA, V||PATRIZII, L||PAVESI, B||PAZZI, R||PECK, CW||PETRAKIS, J||PETRERA, S||PIGNATANO, ND||PISTILLI, P||RAINO, A||REYNOLDSON, J||RONGA, F||SANZANI, G||SANZGIRI, A||SARTOGO, F||SATRIANO, C||SATTA, L||SCAPPARONE, E||SCHOLBERG, K||SCIUBBA, A||LUGARESI, PS||SEVERI, M||SITTA, M||SPINELLI, P||SPINETTI, M||SPURIO, M||STEELE, J||STEINBERG, R||STONE, JL||SULAK, LR||SURDO, A||TARLE, G||TOGO, V||VALENTE, V||WALTER, CW||WEBB, R||WORSTELL, W

publication date

  • January 1994