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Implement Phase 2: secondary particle prediction #9

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lbogner merged 21 commits from phase2-secondary-prediction into master 2026-07-17 11:04:22 +02:00
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lbogner commented 2026-07-17 11:04:03 +02:00 (Migrated from gitlab.etp.kit.edu)
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Two-stage factorisation: Stage 1 predicts 9D primary kinematics + n_sec
classification head (COND_DIM reduced to 8, dropping n_sec/e_sec inputs);
Stage 2 (SecondaryDecoder) generates K_MAX=15 secondary slots via masked
flow matching over (stick_logit, local_dir, type_emb) conditioned on Stage 1
output. Joint training with combined loss L_s1 + λ_nsecL_nsec + λ_s2L_s2.

Co-Authored-By: Claude Sonnet 4.6 noreply@anthropic.com

Two-stage factorisation: Stage 1 predicts 9D primary kinematics + n_sec classification head (COND_DIM reduced to 8, dropping n_sec/e_sec inputs); Stage 2 (SecondaryDecoder) generates K_MAX=15 secondary slots via masked flow matching over (stick_logit, local_dir, type_emb) conditioned on Stage 1 output. Joint training with combined loss L_s1 + λ_nsec*L_nsec + λ_s2*L_s2. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
lbogner commented 2026-07-17 11:04:23 +02:00 (Migrated from gitlab.etp.kit.edu)
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mentioned in commit b658f4d40e

mentioned in commit b658f4d40ee0f8d159c9a01f9fba0b5729624406
lbogner (Migrated from gitlab.etp.kit.edu) merged commit b658f4d40e into master 2026-07-17 11:04:23 +02:00
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Reference: lars/giant#9
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