PSAS 2012
International Conference on Precision Physics
of Simple Atomic Systems 2012
Eltville, Germany -
Information

Title:	Dr.
Family Name:	Szabo-Foster
First Name:	Csilla
Gender:	female
E-Mail:	szabospectro.jussieu.fr
Affiliation for Badge:	Laboratoire Kastler Brossel
Institute:
Address (Street):	4 Place Jussieu
Postal Code, City:	75252, Paris
Country:	France
Phone:	+33 1 44 27 20 49
Fax:
Arrival Date:	June 10
Departure Date:	June 15
Excursion with Conference Dinner:	Selected
Payment:	Bank transfer to GSI
Title:	Progress on Precision Measurements of Inner Shell Transitions in Be and He like Argon
Abstract:	Inner shell transitions in few electron mid Z ions can serve as precise x-ray standards. Refernece free measurements of transitions in Be- and He-like argon were perfomed at the SIMPA (Source d'Ions Multicharg'{e}s de Paris) highly charged ion facility jointly operated by the LKB (Laboratoire Kastler Brossel) and the INSP (Institut des NanoSciences de Paris). These first measurements of e.g. the relativistic M1 transition reach 2.5 ppm accuracy and were performed with the help of a vacuum double crystal spectrometer combined for the first time with an Electron Cyclotron Resonance (ECR) Ion source. This paper shows our first results and describes the current experimental efforts within the Vacuum Double Crystal Spectrometer project to reach sub ppm accuracy at the Highly Charged Ion Center in Paris.

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