Table of fundamental constants is updated

An adjusted set of values for the fundamental constants has been recommended for international adoption by E. Richard Cohen and Barry N. Taylor. These values were worked out under the auspices of the International Council of Scientific Union’s CODATA Task Group on Fundamental Constants; they therefore represent the first internationally “official” adjustment ever carried out. The complete Taylor–Cohen report appears in the Journal of Physical and Chemical Reference Data; a card listing the recommended values may be found opposite page 81. Both Cohen (Rockwell International, Thousand Oaks, California) and Taylor (US National Bureau of Standards, Gaithersburg, Maryland) have previously done semiofficial and widely used adjustments; the most recent work of Cohen and Jesse W. M. DuMond appeared in 1963 and that of Taylor, William H. Parker and Donald N. Langenberg in 1969.

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