But, in fact E_t is the XAxis. And I need XAxis will be X_t. I need not to normalize my histogram. > Hi Sergey, > > Having TH1D* h, do > h->Scale(2/sqrt(s)); > > see also TH1::DrawNormalized > > Rene Brun > > Anufriev Sergey Valentinovich wrote: > > > > Dear ROOTers! > > > > I have the next problem: I can draw TH1D which shows dependense CROSS > > SECTION (E_transeverse), but in fact I need histogram CROSS > > SECTION(X_transeverse), where X_transeverse=2*E_transeverse/SQRT(s) (just > > one can say X_t=f(E_t)). Question is: how can I get it? > > > > Thank you in advance, Sergey. >
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