The FrPNC Experiment, weak interaction studies in Francium at TRIUMF
نویسندگان
چکیده
منابع مشابه
The FrPNC Experiment, weak interaction studies in Francium at TRIUMF
Francium is an excellent system to study the nuclear weak force due to its large nucleus and relatively simple atomic structure. The FrPNC experiment has a facility to produce cold trapped atomic francium samples for parity non-conservation studies. We are preparing to measure both the nuclear spin independent and dependent parts of the weak interaction in francium. The first one gives informat...
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We report on the successful commissioning of the Francium Trapping Facility at TRIUMF. Large laser-cooled samples of francium are produced from a francium ion beam delivered by the ISAC radioactive ion beam facility. The ion beam is neutralized on an yttrium foil, which is subsequently heated to transfer the atoms into the magneto-optical trapping region. We have successfully trapped 207Fr, 209...
متن کاملEfficient inter-trap transfer of cold francium atoms
We report on the status of the FrPNC experiments and summarize our plans for measurements of parity non-conservation (PNC) in a sample of cold francium. The FrPNC collaboration has commissioned a laser cooling apparatus at the TRIUMF accelerator that collects and cools francium atoms for PNC experiments. We have recently demonstrated the robust, high efficiency transfer (50 %) of laser cooled f...
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The TRIUMF Weak Interaction Symmetry Test (TWIST) experiment has measured the spectrum of positrons from muon decay and determined the decay parameters: ρ = 0.75014 ± 0.00017(stat.) ± 0.00044(syst.) ± 0.00011(η), δ = 0.75067 ± 0.00030(stat.) ± 0.00067(syst.), P π µ ξ = 1.0003 ± 0.0006(stat.) ± 0.0038(syst.). The results are in good agreement with the Standard Model. Future prospects for this me...
متن کاملSpectroscopy with trapped francium: advances and perspectives for weak interaction studies
Francium is a candidate for atomic parity non-conservation (PNC) experiments. Its simple atomic structure has been the subject of extensive experimental research facilitated by the ability to trap and cool significant numbers of atoms. The studies include the location of energy levels, their hyperfine splittings and their lifetime. All of these levels are close to the ground state. The results ...
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ژورنال
عنوان ژورنال: Journal of Physics: Conference Series
سال: 2012
ISSN: 1742-6588,1742-6596
DOI: 10.1088/1742-6596/387/1/012004