FWHM calculation

Dear root users,

I'm new root users and try to use root for analyzing GATE data. I have installed root 5_14 on both Ubuntu and Redhat5.

I want to fit a Gaussian distribution on attached histogram, and calculate FWHM. Can anyone help me?

Thanks in advance.

Farzaneh Adibpour

MSc Student, Department of Medical physics and Biomedical Engineering,

Tehran University of Medical Sciences,

Member of Medical Imaging Systems Research Group, Research Center for Science and Technology in Medicine

Email: adibpour_at_razi.tums.ac.ir

       f.adibpour_at_gmail.com

Cell:+989123679749      

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