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Improved limit on invisible decays of positronium
Badertscher, A., Crivelli, P., Fetscher, W., Gendotti, U., Gninenko, S. N., Postoev, V., Rubbia, A., Samoylenko, V., Sillou, D.Volume:
75
Language:
english
Journal:
Physical Review D
DOI:
10.1103/physrevd.75.032004
Date:
February, 2007
File:
PDF, 1.27 MB
english, 2007