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Francium

Known as: Francium [Chemical/Ingredient] 
Francium. A radioactive alkali metal with the atomic symbol Fr, atomic number 87, and atomic weight 223. The mass numbers of other known isotopes are… 
National Institutes of Health

Related topics

Related topics

5 relations
In Bloodagonistsaspects of radiation effectsstandards characteristics

Broader (1)

Metals, Alkali

Papers overview

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2016
2016
Scalar-pseudoscalar interaction in the francium atom
Fr atom can be successively used to search for the atomic permanent electric dipole moment (EDM) [Hyperfine Interactions 236, 53… 
2009
2009
Relativistic coupled cluster (RCC) computation of the electric dipole moment enhancement factor of francium due to the violation of time reversal symmetry.
A relativistic many-body theory for the electric dipole moment (EDM) of paramagnetic atoms arising from the electric dipole… 
2009
2009
Accurate measurements of transition frequencies and isotope shifts of laser-trapped francium.
An interferometric method is used to improve the accuracy of the 7S-7P transition frequencies of three francium isotopes by 1… 
2006
2006
Fundamental symmetries studies with cold trapped francium atoms at ISAC
Francium combines a heavy nucleus (Z = 87) with the simple atomic structure of alkalis and is a very promising candidate for… 
2003
2003
Selectivity of calix[4]arene-bis(benzocrown-6) in the complexation and transport of francium ion.
It is shown for the first time that a representative member of the "cesium-selective" calix[4]arene-crown-6 family exhibits a… 
2000
2000
High-precision calculation of the parity-nonconserving amplitude in francium
A high-precision calculation of the 7s-8s parity-nonconserving ~PNC! transition amplitude in francium, based on a relativistic… 
2000
2000
Energies and hyperfine splittings of the 7D levels of atomic francium
The theoretical and experimental understanding of the low-lying S and P electronic states of francium is beginning to reach a… 
1999
1999
Two-photon spectroscopy of the francium 8S 1/2 level
We report the spectroscopy of the 8S1/2 energy level in Fr by two-photon excitation of atoms confined and cooled in a magneto… 
1996
1996
7S(1/2) ? 9S(1/2) two-photon spectroscopy of trapped francium.
We report on the spectroscopic measurement of the (210)Fr 9S(1/2) energy obtained by two-photon excitation of atoms confined and… 
Highly Cited
1995
Highly Cited
1995
Calculation of energy levels, E1 transition amplitudes, and parity violation in francium.
Many-body perturbation theory in the screened Coulomb interaction was used to calculate energy levels, {ital E}1 trransition… 
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