Abstract
Pair annihilations in multiquark spectroscopy, in contrast to\(Q\bar Q\) mesons, is an effect of leading order in α s and cannot be consistently neglected. Their observation in experiment would help to confirm QCD as a quantum field theory, identify the quantum numbers of the gluon, and give information on possible states with gluon constituents. These effects are studied here theoretically in some detail in expectation of experimental data which are beginning to be available.
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Hong-Mo, C., Högaasen, H. Pair annihilation effects in multiquark spectroscopy. Z. Phys. C - Particles and Fields 7, 25–33 (1980). https://doi.org/10.1007/BF01577317
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DOI: https://doi.org/10.1007/BF01577317