During the time between editions of the
Review of Particle Physics and the
Particle Physics Booklet, we often find a number of errata. We correct most errata on our WWW pages. If you should find errata that are not known to us, please send mail to
pdg @ lbl.gov.
For errata in previous editions, please see:
http://pdg.lbl.gov/rpp-archive/
Pages
300, 301 of the journal/book publication (pages 8, 9 of the web version):
(August 7, 2026):
The sums in equations (14.39) and (14.42) should be over "i > j" as in $\sum_{i>j}\ ...$;