TY - JOUR AU - Martínez, S. AU - Arqueros Martínez, Fernando AU - Fonseca González, Mª Victoria PY - 1995 DO - 10.1016/0370-2693(95)00132-5 SN - 0370-2693 UR - https://hdl.handle.net/20.500.14352/59997 T2 - Physics letters B AB - Electromagnetic energy injected into the universe above a few hundred TeV is expected to pile up as γ 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 limit... LA - eng M2 - 161 PB - Elsevier Science BV TI - Search for isotropic γ radiation in the cosmological window between 65 and 200 TeV TY - journal article VL - 347 ER -