1. Institute of Physics, University of São Paulo, São Paulo, São Paulo 05315-970, Brazil
2. Facultad de Ciencias Básicas e Ingenierías, Universidad de los Llanos, Villavicencio 500017, Colombia
3. Federal Institute of Education, Science and Technology of São Paulo - IFSP, Guarulhos, São Paulo 07115-000, Brazil
4. Department of Physics and Institute for Fusion Studies, The University of Texas at Austin, Austin, Texas 78712, USA