1. Physics and Geology Department, University of Perugia, via Pascoli snc, 06123, Perugia, Italy
2. Medical Physics Unit, University Hospital "S. Orsola-Malpighi", Via Massarenti 9, 40138, Bologna, Italy
3. European Organization for Nuclear Research (CERN), Geneva, Switzerland
4. Industrial Engineering Department, Laboratory of Montecuccolino, University of Bologna, Via dei Colli 16, 40136, Bologna, Italy
5. Physics and Astronomy Department, University of Bologna, Viale Berti Pichat, 6/2, 40127, Bologna, Italy