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Have you looked at this tutorial: <a href="https://subversion.xray.aps.anl.gov/pyGSAS/Tutorials/BkgFit/FitBkgTut.htm">Fitting the Starting Background using Fixed Points</a>? If this approach is not working for you, I’d like to know more about your problem.
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<div>This new feature might also be of use, but might not work too well if peaks are tiny: <a href="https://subversion.xray.aps.anl.gov/pyGSAS/Tutorials/AutoBkg/AutoBkg.html">Using the "Auto Background" feature</a></div>
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<div>Brian</div>
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<div>On Oct 19, 2023, at 3:56 PM, Neiner, Doinita nmn via GSAS-II <gsas-ii@aps.anl.gov> wrote:</div>
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<div style="margin: 0in; font-size: 11pt; font-family: Calibri, sans-serif;">Hi, would anyone have an idea on how to fit the very high hydrogen background I have in the neutron diffraction data.<o:p></o:p></div>
<div style="margin: 0in; font-size: 11pt; font-family: Calibri, sans-serif;">Thank you.<o:p></o:p></div>
<div style="margin: 0in; font-size: 11pt; font-family: Calibri, sans-serif;">doinita<o:p></o:p></div>
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<span style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 18px; font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none; float: none; display: inline !important;">_______________________________________________</span><br style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 18px; font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;">
<span style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 18px; font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none; float: none; display: inline !important;">GSAS-II
mailing list</span><br style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 18px; font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;">
<a href="mailto:GSAS-II@aps.anl.gov" style="font-family: Helvetica; font-size: 18px; font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px;">GSAS-II@aps.anl.gov</a><br style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 18px; font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;">
<a href="https://mailman.aps.anl.gov/mailman/listinfo/gsas-ii" style="font-family: Helvetica; font-size: 18px; font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px;">https://mailman.aps.anl.gov/mailman/listinfo/gsas-ii</a></div>
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