2006-12-01
The XYZ's of cc̄: Hints of exotic new mesons
Publication
Publication
Presented at the
4th International Conference on Flavor Physics and CP Violation, FPCP 2006 (April 2006)
I discuss the nature of the new charm and charmonium like states observed in the last few years and measure- ments that can test these assignments. In particular it appears that the X(3943) is the ηc1 (31S0) which can be tested by looking for it in γγ→DD̄*, the Y (3943) is the χc1(23P1) which can be tested by looking for it in DD̄* and DD̄*, the Z(3930) is the χc2(23P2) which can be confirmed by looking for it in DD̄*. If the X(3872) is confirmed to have JPC = 1++ it is almost certainly a multiquark state while if its JPC is found to be 2-+ is is likely the 1 1D2 state. The Y (4260) appears to be an extra 1- which is most easily explained as a charmonium hybrid. This can be tested by looking the DD1 final state.
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| Conference | 4th International Conference on Flavor Physics and CP Violation, FPCP 2006 |
| Citation |
Godfrey, S. (2006). The XYZ's of cc̄: Hints of exotic new mesons. Presented at the 4th International Conference on Flavor Physics and CP Violation, FPCP 2006.
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