smsim-ips-veto-position-scan

name	smsim-ips-veto-position-scan
description	Workflow for SMSimulator IPS veto geometry placement and Geant4 position scanning. Use when modifying IPS geometry, target-reference-only placement, QMD dbreak/geminiout conversion, no-forward small-b scoring, scan scripts under scripts/analysis, WRL example export, or interpreting elastic leakage versus small-b IPS hit rate for the 3deg_1.15T Sn124 study.

SMSimulator IPS Veto Position Scan

Use this skill for IPS-only geometry, scan, and visualization tasks.

Workflow

1. Read references/workflow.md before changing scan logic, event selection, or WRL export.
2. Edit only the owning files listed in references/path-map.md.
3. Keep IPS studies on the 3deg_1.15T geometry unless the task explicitly changes the field/angle setup.
4. Keep Target/SetTarget false for IPS scan and WRL export macros. In this workflow the target is a position and direction reference only, not material.
5. Treat the current official IPS optimization as no-forward:
   • signal: all-event entries with bimp <= 7
   • background: cleaned dbreak
   • score: IPS hit rate subject to elastic leakage constraint
6. Run the relevant scripts from references/workflow.md and update the mechanic doc if the scan meaning or result changes.
7. Run scripts/check_sync.sh before finishing.

Resources

• references/workflow.md
• references/path-map.md
• scripts/check_sync.sh