TY  - RPRT
TI  - Up-down quark mass difference effect in nuclear many-body systems.
AU  - S Nakamura
AU  - K Muto
AU  - M Oka
AU  - S Takeuchi
AU  - T Oda
PY  - 1996
DO  - 10.1103/physrevlett.76.881
UR  - https://pubmed.ncbi.nlm.nih.gov/10061575/
ID  - 10061575
ER  -