Constants

Ion | Wavelength | f - value | gamma value | mass | q coefficients |
---|---|---|---|---|---|

FeII | 1608.45085 | 0.0577 | 2.74 x 10^{8} |
55.847 | -1300 |

FeII | 1611.20034 | 0.00136 | 2.86 x 10^{8} |
55.847 | 1100 |

NiII | 1709.6042 | 0.0324 | 4.35 x 10^{8} |
58.728 | -20 |

NiII | 1741.5531 | 0.0427 | 5.00 x 10^{8} |
58.728 | -1400 |

NiII | 1751.9157 | 0.0277 | 3.70 x 10^{8} |
58.728 | -700 |

q coefficients from Laboratory spectroscopy and the search for space-time variation of the fine structure constant using QSO spectra.

by: J. C. Berengut, V. A. Dzuba, V. V. Flambaum, M. V. Marchenko, and J. K. Webb 8 Mar 2007

c = 2.9979245800 x 10^10 cm/s

e = 4.80324 x 10^-10 esu

mass of electron = 9.10938188 x 10^-28

pi^(1/2) * e^2 / ( m_e * c ) = 0.0149738645

(1)\begin{align} \frac{\pi^{1/2} e^2}{m_e c} = 0.0149738645 \end{align}

page revision: 7, last edited: 02 Nov 2007 01:43