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26 April 2024 |
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Comment on the narrow charmonium state of Belle at 3871.8 MeV as a deuson | | Nils A. Tornqvist
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27 Aug 2003 | | Subject: | hep-ph | | Abstract: | It is pointed out that the narrow charmonium state at 3871.8 MeV reported by the Belle collaboration is likely to be a $Dar D^*$ deuteronlike meson-meson state called a deuson. It was predicted near the $Dar D^*$ threshold over 10 years ago. Its spin-parity would be 0-+ or 1++ and an important decay mode should be via $D^0ar D^{*0}$ to $D^0ar D^0pi^0$. Its width to that channel should then be of the order 50 keV. Note: A more detailed update of this unpublished note is in hep-ph/0402237. | | Source: | arXiv, hep-ph/0308277 | | Services: | Forum | Review | PDF | Favorites | |
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