[Halld-physics] Comments on all abstracts

Curtis Meyer cmeyer at cmu.edu
Tue Jun 27 09:49:43 EDT 2017


With regard to the b2(1650) mentione din Ahmed’s abstract, this should be the b1(1650), which
is a radial excitation of the b1(1235) and you can see it in the lattice calculation. A b2 is exotic, and
while expected, the mass is probably above 2GeV.

Curtis
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Ahmed Foda

- How are the b1(1235) and b2(1650) related? (Same branch modes?) What is the b2? Is it predicted by lattice?
- Why is the -t dependence important in this context?




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