[SasView Users] help troubleshooting the low scattering intensity saxs data

[Dirk Honecker - STFC UKRI via users]

Dear Meko,

Thanks for reaching out to us for your question.
Could you please send some data or the sasview project to test and reproduce the behaviour.

All the best

Dirk



Dirk Honecker dirk.honecker at stfc.ac.uk<mailto:dirk.honecker at stfc.ac.uk>

ISIS Pulsed Neutron and Muon Source

STFC Rutherford Appleton Laboratory | Harwell Campus

Office R3 1.41 | Didcot | OX11 0QX | United Kingdom

Mobile: +44 7738 260880 | Tel: +44 1235 567112

________________________________
From: users <users-bounces at lists.sasview.org> on behalf of via users <users at lists.sasview.org>
Sent: 05 November 2025 4:39 PM
To: users at sasview.org <users at sasview.org>
Subject: [SasView Users] help troubleshooting the low scattering intensity saxs data

Hi

I need help from SASView experts.

I started using it to fit my liposome saxs data just today for the first time. My scattering intensity data are very low ranging from 10^-3 to 10^-1. So, when I use lamellar_hg fit for my unilamellar popc vesicles I get ginormous chi squared values like 10^12. Please help me to improve my fitting. Thank you!


Best

Meko


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