Questions about absorption correction

[展思博]

I am doing the calculation of the distribution function of lanthanum carbonate, I know its absorption coefficient is 3.4, but in the process of calculating using pdfgetx3, I found that I can't substitute the absorption coefficient to reduce the interference, does anyone know how to do it?

[Simon Billinge]

PDFgetX3 doesn't carry out an explicit absorption correction.  If you want to do an explicit absorption correction you will have to use PDFgetX2.  However, make sure that you really need this before embarking on that journey.  The vast majority of PDFs obtained from XPD are fine without this.

S

On Tue, Jan 26, 2021 at 4:15 AM 展思博 <19308...@qq.com> wrote:

I am doing the calculation of the distribution function of lanthanum carbonate, I know its absorption coefficient is 3.4, but in the process of calculating using pdfgetx3, I found that I can't substitute the absorption coefficient to reduce the interference, does anyone know how to do it?

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Simon Billinge

Professor, Columbia University

Physicist, Brookhaven National Laboratory

[展思博]

Thank you for your answer！