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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…
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5 relations
In Blood
agonists
aspects of radiation effects
standards characteristics
Broader (1)
Metals, Alkali
Papers overview
Semantic Scholar uses AI to extract papers important to this topic.
2017
2017
Isotope shifts in the $7S\rightarrow 8S$ transition of francium: measurements and comparison to ab-initio theory
M. Kalita
,
J. Behr
,
+10 authors
M. Safronova
2017
Corpus ID: 102719433
We observe the electric-dipole forbidden $7s\rightarrow8s$ transition in the francium isotopes $^{208-211}$Fr and $^{213}$Fr…
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2013
2013
The weak neutral current—discovery and impact
D. Haidt
,
A. Pullia
2013
Corpus ID: 125691884
336
2013
2013
Laser assisted nuclear decay spectroscopy : a new method for studying neutron-deficient francium
K. Lynch
2013
Corpus ID: 93348735
Radioactive decay studies of rare isotopes produced at radioactive ion beam facilities have often been hindered by the presence…
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2013
2013
New techniques of laser spectroscopy on exotic isotopes of gallium and francium
T. Procter
2013
Corpus ID: 93688817
The neutron-deficient gallium isotopes down to N=32 have had their hyperfine structures and isotope shifts measured via collinear…
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2009
2009
Towards a Measurement of the Electric Dipole Moment of Rn.
E. Tardiff
2009
Corpus ID: 120037820
Towards a Measurement of the Electric Dipole Moment of Rn
2008
2008
High-Precision Measurement of the Laser-Trapping Frequencies for $^{209,210,211}$Fr Atoms
S. Sanguinetti
,
R. Calabrese
,
+9 authors
S. Veronesi
2008
Corpus ID: 119121583
We present the accurate measurement of the frequency of the $7S-7P$ laser-trapping transition for three francium isotopes. Our…
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2000
2000
Energies and hyperfine splittings of the 7D levels of atomic francium
J. M. Grossman
,
R. Fliller
,
+4 authors
Wei Zhao
2000
Corpus ID: 5630748
The theoretical and experimental understanding of the low-lying S and P electronic states of francium is beginning to reach a…
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1999
1999
Two-photon spectroscopy of the francium 8S 1/2 level
J. Simsarian
,
Wei Zhao
,
L. Orozco
,
G. Sprouse
1999
Corpus ID: 123081639
We report the spectroscopy of the 8S1/2 energy level in Fr by two-photon excitation of atoms confined and cooled in a magneto…
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1997
1997
Measurement of the 7 p 2 P 3 y 2 Level Lifetime in Atomic Francium
W. Z. Zhao
,
J. Simsarian
,
L. Orozco
,
W. Shi
,
G. Sprouse
1997
Corpus ID: 15985052
We present the first measurement of an atomic radiative lifetime in Fr. We use a time-corre single photon counting technique with…
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1970
1970
Analytical chemistry of technetium, promethium, astatine and francium
Avgusta Konstantinovna Lavruk︠h︡ina
,
Aleksandr Aleksandrovich Pozdni︠a︡kov
1970
Corpus ID: 94160197