This paper gives the 2002 self-consistent set of values of the basic constants and conversion factors of physics and chemistry recommended by the Committee on Data for Science and Technology (CODATA) for international use. Further, it describes in detail the adjustment of the values of the subset of constants on which the complete 2002 set of recommended values is based. Two noteworthy additions in the 2002 adjustment are recommended values for the bound-state rms charge radii of the proton and deuteron and tests of the exactness of the Josephson and quantum-Hall-effect relations $K_{\mathrm{J}}=2e∕h$ and $R_{\mathrm{K}}=h∕e^2$, where $K_{\mathrm{J}}$ and $R_{\mathrm{K}}$ are the Josephson and von Klitzing constants, respectively, $e$ is the elementary charge, and $h$ is the Planck constant. The 2002 set replaces the previously recommended 1998 CODATA set. The 2002 adjustment takes into account the data considered in the 1998 adjustment as well as the data that became available between 31 December 1998, the closing date of that adjustment, and 31 December 2002, the closing date of the new adjustment. The differences between the 2002 and 1998 recommended values compared to the uncertainties of the latter are generally not unreasonable. The new CODATA set of recommended values may also be found on the World Wide Web at physics.nist.gov/constants.

DOI:https://doi.org/10.1103/RevModPhys.77.1

• ^*This report was prepared by the authors under the auspices of the CODATA Task Group on Fundamental Constants. The members of the task group are: F. Cabiati, Istituto Elettrotecnico Nazionale “Galileo Ferraris,” Italy E. R. Cohen, Science Center, Rockwell International (retired), United States of America K. Fujii, National Metrology Institute of Japan, Japan S. G. Karshenboim, D. I. Mendeleyev All-Russian Research Institute for Metrology, Russian Federation I. Lindgren, Chalmers University of Technology and Göteborg University, Sweden B. A. Mamyrin, A. F. Ioffe Physical-Technical Institute, Russian Federation W. Martienssen, Johann Wolfgang Goethe-Universität, Germany P. J. Mohr, National Institute of Standards and Technology, United States of America F. Nez, Laboratoire Kastler-Brossel, France B. W. Petley, National Physical Laboratory, United Kingdom T. J. Quinn, Bureau international des poids et mesures B. N. Taylor, National Institute of Standards and Technology, United States of America W. Wöger, Physikalisch-Technische Bundesanstalt, Germany B. M. Wood, National Research Council, Canada Z. Zhang, National Institute of Metrology, People’s Republic of China