This is the 2001 ARCHIVED edition of the Review of Particle Physics. It is for historical purposes only. Please use the most current data.

Summary Tables and Conservation Laws
Reviews, Tables, Plots (including major Reviews from the Particle Listings)
Particle Listings and all associated Reviews

Errata (last changed September 17, 2001)
Authors for the 2000 edition.
Please use this CITATION: D.E. Groom et al. (Particle Data Group), The European Physical Journal C15 (2000) 1 and 2001 off-year partial update for the 2002 edition available on the PDG WWW pages (URL: http://pdg.lbl.gov/)

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