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Martínez, S. ; Arqueros Martínez, Fernando ; Fonseca González, Mª Victoria | Elsevier Science BV | 1995-03-15Electromagnetic energy injected into the universe above a few hundred TeV is expected to pile up as ? radiation in a relatively narrow energy interval below 100 TeV due to its interaction with the 2.7^°K background radiation. We present an upper[...]texto impreso
Arqueros Martínez, Fernando ; Cortina, J. ; Fernández, J. ; Fonseca González, Mª Victoria ; González, J. G. ; Martínez, S. ; Mirzoyan, R. ; Moralejo, A. ; Padilla, L. ; Sánchez, J. A. | EDP Sciencies | 1996-10Data from the HEGRA air shower array are used to set an upper limit on the emission of gamma-radiation above 25 (18) TeV from the direction of the radio bright region DR4 within the SNR G78.2 + 2.1 of 2.5 (7.1). 10^-13 cm^-2 sec^-1. The shock fr[...]
