Physical Constant - Table of Atomic and Nuclear Constants

Table of Atomic and Nuclear Constants

Quantity Symbol Value (SI units) Relative Standard Uncertainty
Bohr radius 5.291 772 1092(17) × 10−11 m 3.2 × 10−9
classical electron radius 2.817 940 3267(27) × 10−15 m 9.7 × 10−10
electron mass 9.109 382 91(40) × 10−31 kg 4.4 × 10−8
Fermi coupling constant 1.166 364(5) × 10−5 GeV−2 4.3 × 10−6
fine-structure constant 7.297 352 5698(24) × 10−3 3.2 × 10−10
Hartree energy 4.359 744 34(19) × 10−18 J 4.4 × 10−8
proton mass 1.672 621 777(74) × 10−27 kg 4.4 × 10−8
quantum of circulation 3.636 947 5520(24) × 10−4 m² s−1 6.5 × 10−10
Rydberg constant 10 973 731.568 539(55) m−1 5.0 × 10−12
Thomson cross section 6.652 458 734(13) × 10−29 m² 1.9 × 10−9
weak mixing angle 0.2223(21) 9.5 × 10−3

Read more about this topic:  Physical Constant

Famous quotes containing the words table of, table, atomic and/or nuclear:

    Remember thee?
    Ay, thou poor ghost, whiles memory holds a seat
    In this distracted globe. Remember thee?
    Yea, from the table of my memory
    I’ll wipe away all trivial fond records,
    All saws of books, all forms, all pressures past
    That youth and observation copied there,
    And thy commandment all alone shall live
    Within the book and volume of my brain,
    William Shakespeare (1564–1616)

    When he was at the table with them, he took bread, blessed and broke it, and gave it to them. Then their eyes were opened, and they recognized him; and he vanished from their sight.
    Bible: New Testament, Luke 24:30,31.

    The Emmaus story.

    One has to look out for engineers—they begin with sewing machines and end up with the atomic bomb.
    Marcel Pagnol (1895–1974)

    You can’t be a Real Country unless you have A BEER and an airline—it helps if you have some kind of a football team, or some nuclear weapons, but at the very least you need a BEER.
    Frank Zappa (1940–1993)