Problems with Fit histogram

Hi everyone! I have some problem with fittng histogram. I try to fit main peak and background with different fit functions. And after these processes i have to count integral of histo without background. Could you help me ? Below I attach my code and (723 Bytes)

f1.pdf (15.2 KB)

ROOT Version: Not Provided
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Compiler: Not Provided

Try with “gausn” instead of “gaus”.

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Ok I wiil try, thanks

i think i should use two gauss for good fit. But How I can do this? Attached pdf and .C file
Fit.pdf (15.3 KB)
fitt.C (6.9 KB)

You need to talk to your colleagues / supervisor about how to describe your data.
fitt.C (2.9 KB)

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Ok, Thanks you very much

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