[1] Univ Fed Sao Paulo, Dept Fis, BR-09972270 Diadema, SP, Brazil
[2] Max Planck Inst Kernphys, Saupfercheckweg 1, D-69117 Heidelberg, Germany
[3] Vietnam Acad Sci & Technol, Inst Phys, 10 Dao Tan, Hanoi, Vietnam
[4] UNESP, Dept Fis & Quim, Campus Guaratingueta, Guaratingueta, SP, Brazil
[5] Univ Valencia, CSIC, Edificio Inst Paterna, AHEP Grp,Inst Fis Corpuscular, C Catedrat Jose Beltran 2, E-46980 Paterna, Valencia, Spain