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A005600 Current estimate of decimal expansion of reciprocal of fine-structure constant alpha.
(Formerly M2606)
2
1, 3, 7, 0, 3, 5, 9, 9, 9, 6, 7, 9 (list; constant; graph; refs; listen; history; internal format)
OFFSET

3,2

COMMENTS

The estimate is continually changing.

REFERENCES

John Barrow, The Constants of Nature, 367 pp., Jonathan Cape, 2002.

E. R. Cohen and B. N. Taylor, The 1986 adjustment of the fundamental physical constants, Rev. Modern Phys., 59 (1987), 1121-1148.

K. R. Lang, Astrophysical Data: Planets and Stars, Springer-Verlag, NY, 1991.

Martin J. Rees. Just Six Numbers: the deep forces that shape the universe. Phoenix. 1999

N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).

LINKS

Anonymous, Fine structure constant

NIST, Constants, Units and Uncertainty

N. Kosinov, Unexpected Connection of Three Major Constants

N. Kosinov, Connection of Three Major Constants

Robert P. Munafo, Notable Properties of Specific Numbers. [From Robert G. Wilson v (rgwv(AT)rgwv.com), Sep 10 2008]

EXAMPLE

1/alpha = 137.035999679, standard uncertainty 0.000000094

CROSSREFS

Cf. A003673, A082726.

Sequence in context: A127584 A124919 A033920 * A180873 A021031 A197835

Adjacent sequences:  A005597 A005598 A005599 * A005601 A005602 A005603

KEYWORD

cons,nonn

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com), Mira Bernstein

EXTENSIONS

Updated May 20 2003

Updated by Omar E. Pol (info(AT)polprimos.com), Aug 09 2009

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Last modified February 14 06:20 EST 2012. Contains 205570 sequences.