Proton Spin Puzzle
The proton spin puzzle — why quarks carry only ~30% of the proton's spin — has been an active problem since the EMC experiment (1988). The τ-framework's QCD sec…
Physics
Domain level open problem
PART
Book IV
Public
Manuscript
Lean · Formalized
Physics cascade
In plain language
The proton spin puzzle — why quarks carry only ~30% of the proton's spin — has been an active problem since the EMC experiment (1988). The τ-framework's QCD sec…
Overview
The proton spin puzzle — why quarks carry only ~30% of the proton’s spin — has been an active problem since the EMC experiment (1988). The τ-framework’s QCD sector has structural tools but no entry yet.
Result Statement
Proton spin puzzle: structural tools exist but no derivation yet. Status: Not Addressed.
Cross-references
Glossary terms
Physics: τ-Proton