1. Territorial and Production Systems Sustainability Department, Italian National Agency for New Technologies, Energy and Sustainable Economic Development (ENEA), Rome, Italy
2. University of Pavia (Physics Department), via Bassi 6, I-27100 Pavia, Italy
3. INFN (Italian National Institute of Nuclear Physics), Section of Pavia, I-27100 Pavia, Italy
4. Physikalisch-Technische Bundesanstalt (PTB), Bundesallee 100, 38116 Braunschweig, Germany
5. Centro de Ciências e Tecnologias Nucleares, Instituto Superior Técnico, Universidade de Lisboa, Bobadela-LRS, Lisbon, Portugal
6. Universidade Estadual de Campinas, Campinas, SP, Brazil
7. National Institute of Ionizing Radiation Metrology, Italian National Agency for New Technologies, Energy and Sustainable Economic Development (ENEA), Rome, Italy