TY - JOUR AU - Martínez Pabón, María Beatriz AU - Arqueros Martínez, Fernando AU - Fernández Sánchez, Paloma AU - Fonseca, V. PY - 1995 DO - 10.1016/0370-2693(95)00132-5 SN - 0370-2693 UR - https://hdl.handle.net/20.500.14352/60140 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 KW - Astronomy and Astrophysics KW - Physics KW - Nuclear KW - Particles and Fields TI - Search for isotropic γ-radiation in the cosmological window between 65-tev and 200-tev TY - journal article VL - 347 ER -