A discussion on new particles and new quantum numbers - Neutral and radiative decay modes of the new resonances

Preliminary results are presented for decays of the new resonances J/ψ and ψ' into final states containing photons. Neutral final states at √s = 3.1 GeV are discussed. There are arguments that the spin of the Pc state at 3.5 GeV is different from 0. Final states π+π-γγ at 3.1 GeV are analysed o...

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Bibliographic Details
Published in:Proceedings of the Royal Society of London. Series A, Mathematical and physical sciences Mathematical and physical sciences, 1977-07, Vol.355 (1683), p.481-492
Main Authors: Bartel, W., Duinker, P., Heintze, J., Heinzelmann, G., Heuer, R. D., Mundhenke, R., Rieseberg, H., Schürlein, B., Steffen, P., Olsson, J. E., Wagner, A., Walenta, A. H.
Format: Article
Language:English
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Summary:Preliminary results are presented for decays of the new resonances J/ψ and ψ' into final states containing photons. Neutral final states at √s = 3.1 GeV are discussed. There are arguments that the spin of the Pc state at 3.5 GeV is different from 0. Final states π+π-γγ at 3.1 GeV are analysed on a statistical basis.
ISSN:0080-4630
2053-9169
DOI:10.1098/rspa.1977.0107