Weird results with RooIntegralMorph and large observable range


I’m fitting data and need a large range for my observable. This seems to be giving some weird results when using RooIntegralMorph, but the results look fine if I decrease my range by an order of magnitude. I modified the tutorial code to show this behavior. Any suggestions?

Range - 15000:

Range - 150000:

Modified tutorial code:
rf705_linearmorph_mod1.C (2.6 KB)



@moneta maybe you can help here?

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