[Isac-journal-club] Journal Club Wednesday 3:30 MOB Theory

journalclub journalclub at triumf.ca
Mon Mar 13 14:37:03 PDT 2017


JOURNAL CLUB. WEDNESDAY 15TH 3:30 MOB Theory Room
KAPOW will be served.

Hi,
this is the paper for our journal club discussions.

http://journals.aps.org/prl/abstract/10.1103/PhysRevLett.116.161601

This reports the latest result from the Hg199 EDM experiment, which is the
leading experiment in atomic EDM sector.

Thank you
Mukut

Here are things to consider

1/ Permanent EDM search why ?
2/ Principle of the experiment.
3/ To polarize atoms they chop the beam ? with Hg they mix CO ?
4/ To detect polarization, they use detuned light ?
5/ For linear polarization, the angle changes when light goes through
atomic medium (Faraday rotation).
6/ Faraday rotation angle modulates with Larmor precession.
7/ Detect phase difference, between cells with opposite E fields.
8/ Control/understand systematics, table 2.
9/ To interpret the result -> Schiff moment (nuclear property).
10/ Implications in Table 3, notably they can also get a limit of neutron
EDM.
11/ Reference http://journals.aps.org/prc/abstract/10.1103/PhysR
evC.91.035502,  tells why EDMs need to be searched in different systems.
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