Patent Number: 
Section: claims

1. A scintillator material based on a garnet with a general chemical formula of A3B5O12 which shortens the scintillation response, wherein said scintillator corresponds to the general chemical formula A3-x1-x21Mx12Mx2B5O12 where the substituent A is represented by a cation from the Y3+, Lu3+, Gd3+ group or their mixture, the substituent B is represented by a cation from the Al3+, Ga3+, Sc3+, Mo3+ group or their mixture, the substituent 1M represents the dopant cation from the Ce3+ or Pr3+ group, and the substituent 2M represents a mixture of a first co-dopant selected from the group consisting of Nd, Sm, Eu, Tb, Dy, Ho, Er, Tm, Ti, V, Cr, Mn, Fe, Co, Ni, Cu, Zr, Nb, Mo, Ru, Ag, Ta, W, In, Sn, Sb, Tl, Pb or Bi and a second co-dopant selected from the group consisting of optically inactive ions, Mg2+ or Ca2+.