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Hi Wolfgang, On Wed, 8 Jun 2005, Wolfgang Menges wrote: > Hi, > > I have talked to Ed about the ssbar popping and hadronisation > systematics. > > For the ssbar popping we need to flag KKbar pairs and I am implementing > it into VubrecoilUser. Afterwards we have to run a new production. The > systematic studies can then be done in VirVubFitter using weights. > > I assume that we expect 2 Kaons (K+K-, K0K0bar or KS0KL0 combination) and > at the moment I am checking this. I'm not an expert on this but: For charged B's I expect naively K+K- as the primary product of ssbar popping. For neutral B's the primary product should be e.g. K+K0bar/K-K0. Of course, K*'s should be also possible. So other combinations two kaons may also appear. It becomes more complicated if additional uubar or ddbar are produced out of the vacuum. So, in general I would expect that any combination is possible. Heiko