The positrons of distinctive energy observed in heavy-ion collisions over the past three years have now been mirrored by the surprising discovery of pairs of photons in similar circumstances.
Article PDF
Rights and permissions
About this article
Cite this article
Maddox, J. Ghost–like neutral particle observed. Nature 331, 109 (1988). https://doi.org/10.1038/331109a0
Published:
Issue Date:
DOI: https://doi.org/10.1038/331109a0
This article is cited by
-
Massless particles from a perfect fluid
Nature (1988)