Abstract
Using the Cheshire cat principle, we present simple arguments for describing the parameters of η′ (flavor singlet pseudoscalar) from QCD. New relations relating the η′ mass and decay constant to the QCD gluon condensates are derived and compared with the empirical parameters.
| Original language | English |
|---|---|
| Pages (from-to) | 345-350 |
| Number of pages | 6 |
| Journal | Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics |
| Volume | 281 |
| Issue number | 3-4 |
| DOIs | |
| State | Published - May 14 1992 |
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