First results from the microwave air yield beam experiment (MAYBE): Measurement of GHz radiation for ultra-high energy cosmic ray detection
1 Kavli Institute for Cosmological Physics, University of Chicago, Chicago, IL, USA
2 Institute of Physics, Academy of Sciences of the Czech Republic, Prague, Czech Republic
3 Universidade Federal do Rio de Janeiro, Instituto de Física, Rio de Janeiro, Brazil
4 Dipartimento di Fisica dell'Università del Salento and Sezione INFN, Lecce, Italy
5 Argonne National Laboratory, Argonne, IL, USA
6 Department of Physics and Astronomy, University of Hawaii at Manoa, Honolulu, HI, USA
7 Fermilab, Batavia, IL, USA
8 Università di Roma II “Tor Vergata” and Sezione INFN, Roma, Italy
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We present measurements of microwave emission from an electron-beam induced air plasma performed at the 3 MeV electron Van de Graaff facility of the Argonne National Laboratory. Results include the emission spectrum between 1 and 15 GHz, the polarization of the microwave radiation and the scaling of the emitted power with respect to beam intensity. MAYBE measurements provide further insight on microwave emission from extensive air showers as a novel detection technique for Ultra-High Energy Cosmic Rays.
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