Abstract
Recent developments related to chiral symmetry and its explicit breaking by quark masses are summarized. We discuss the status of the pion-nucleon sigma term and questions of threshold π° photoproduction.
| Original language | English |
|---|---|
| Pages (from-to) | 377-392 |
| Number of pages | 16 |
| Journal | Nuclear Physics, Section A |
| Volume | 543 |
| Issue number | 1-2 |
| DOIs | |
| State | Published - 29 Jun 1992 |
| Externally published | Yes |