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A Tentative Description of Z_c,b States in Terms of Metastable Feshbach Resonances
- Publication Year :
- 2013
-
Abstract
- We attempt a description of the recently discovered Z_{c,b} states in terms of Feshbach resonances arising from the interaction between the `closed' subspace of hadrocharmonium levels and the `open' one of open-charm/beauty thresholds. We show how the neutrality of the X(3872) might be understood in this scheme and provide a preliminary explanation of the pattern of the measured total widths of X,Z_{c,b}.<br />Comment: To appear in the proceedings of The 6th International Workshop on Charm Physics (CHARM 2013)
- Subjects :
- High Energy Physics - Phenomenology
Subjects
Details
- Database :
- arXiv
- Publication Type :
- Report
- Accession number :
- edsarx.1311.7374
- Document Type :
- Working Paper