links to some papers/talks and confluence

Author: tomeichlersmith

src/SUMMARY.md

@@ -22,6 +22,7 @@
 - [Batch Computing](using/batch.md)
 
 # Physics Guides
+- [Background](physics/background.md)
 - [Statistics and Calculations](physics/stats/intro.md)
   - [Averages](physics/stats/averages.md)
   - [Resolution](physics/stats/resolution.md)

src/physics/background.md

@@ -0,0 +1,16 @@
+# Physics Background
+
+There are many resources available giving background on the physics motivation
+for the purpose and design of LDMX. This page is an attempt to manually collect
+them in an easily-accessible location.
+
+Another page that collects resources like these is the
+[LDMX Publications and Presentations](https://confluence.slac.stanford.edu/spaces/MME/pages/211795743/Publications+and+Presentations) page on confluence which is public.
+
+## Print
+- [Jeremy Man's "One-Pager" (actually 5-page) description from 2017](https://www.epj-conferences.org/articles/epjconf/pdf/2017/11/epjconf_admpp2017_01020.pdf): old (missing Trigger Scintilator for example) but helpful and short read
+- [LDMX Contribution to Snowmass 2021](https://inspirehep.net/literature/2053415): medium length (26 pages)
+- [LDMX Design Report from 2025](https://arxiv.org/abs/2508.11833): large length (291 pages) but a lots more detail
+
+## Video
+- [Tim Nelson's SLAC Colloquium from October 2025](https://colloquium.slac.stanford.edu/events/2025-10-06-light-dark-matter-experiment-discovery-experiment-sub-gev-dark-matter)