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, atomic and/or nuclear:
“The newspaper is a Bible which we read every morning and every afternoon, standing and sitting, riding and walking. It is a Bible which every man carries in his pocket, which lies on every table and counter, and which the mail, and thousands of missionaries, are continually dispersing. It is, in short, the only book which America has printed, and which America reads. So wide is its influence.”
—Henry David Thoreau (1817–1862)
“When man entered the atomic age, he opened a door into a new world. What we eventually find in that new world, nobody can predict.”
—Ted Sherdeman. Gordon Douglas. Dr. Medford (Edmund Gwenn)
“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)