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pro vyhledávání: '"E. G. Miller"'
Autor:
E. G. Miller, W. E. Kauppila, S. P. Parikh, Eugene Surdutovich, K. A. Price, C. K. Kwan, T. S. Stein
Publikováno v:
Physical Review A. 75
Publikováno v:
Physical Review Letters. 93
Positronium (Ps) produced by 4 to 40 eV positrons colliding with Ne, Ar, Kr, CO2, and O2 is investigated by measuring the ratio of signals of two gamma rays in coincidence resulting from (a) three gamma annihilation of ortho-Ps and (b) two annihilati