Abstract
We compute the pion mass to one-loop order in the SU(2) linear and four-fermion model field theories both in terms of the nonstrange current-quark mass m^cur. The answers in these two chiralsymmetry schemes are the same and predict 34 MeV for two quark flavors.
| Original language | English |
|---|---|
| Pages (from-to) | 941-944 |
| Number of pages | 4 |
| Journal | Physical Review D |
| Volume | 42 |
| Issue number | 3 |
| DOIs | |
| Publication status | Published - 1990 |
| Externally published | Yes |