Tutorials

Step-by-step notebooks covering the main use cases of spectroxide, from a quick-start introduction through advanced dark-sector and observational constraint analyses.

• Getting Started with spectroxide
• Energy Injection Scenarios (PDE Solver)
• New Physics: Dark Photons and Photon Injection (PDE Solver)
• Custom Injection Scenarios
• FIRAS limits on monochromatic photon injection and dark photon mixing
• Precomputed Green’s Function Tables

01	Getting started — Green’s function basics, first PDE runs, PDE vs GF comparison.
02	Energy injection — Decaying particles, DM annihilation (s-wave, p-wave), amplitude scaling.
03	New physics — Dark photon oscillation, monochromatic photon injection, \(\mu\) sign flip.
04	Custom scenarios — Tabulated heating histories, custom injection closures.
05	Observational constraints — FIRAS/PIXIE limits, \(\mu\)–\(y\) exclusion plane, mock PIXIE observation.
06	Green’s function tables — Precomputed PDE-based tables for fast convolution.