Mass Measurements on Superallowed β-Emitters Using Ramsey’s Excitation Method at ISOLTRAP Sebastian George Sebastian George Tokyo 2007 Tokyo 2007 Outline Outline Weak Interaction Weak Interaction Studies Studies High-Precision Mass High-Precision Mass Spectrometry Spectrometry Ramsey Method Ramsey Method
9
Embed
Mass Measurements on Superallowed β - Emitters Using Ramsey’s Excitation Method at ISOLTRAP
Mass Measurements on Superallowed β - Emitters Using Ramsey’s Excitation Method at ISOLTRAP. Outline. Sebastian George Tokyo 2007. High-Precision Mass Spectrometry. Ramsey Method. Weak Interaction Studies. Principle of Penning Trap Mass Spectrometry. B. PENNING trap Strong homogeneous - PowerPoint PPT Presentation
Welcome message from author
This document is posted to help you gain knowledge. Please leave a comment to let me know what you think about it! Share it to your friends and learn new things together.
Transcript
Mass Measurements on Superallowed β-Emitters Using Ramsey’s Excitation
Method at ISOLTRAP
Sebastian GeorgeSebastian George
Tokyo 2007Tokyo 2007
OutlineOutline
Weak Interaction Weak Interaction StudiesStudies
High-Precision Mass Spectrometry High-Precision Mass Spectrometry
Ramsey MethodRamsey Method
www.physik.uni-mainz.de/quantum/mats
Principle of Penning Trap Mass SpectrometryPrinciple of Penning Trap Mass Spectrometry
Experimental Access to FT-ValueExperimental Access to FT-Value
www.physik.uni-mainz.de/quantum/mats
CVC testCVC test
ISOLTRAP: Mg-22, Al-26, Ar-34, Ca-38, Rb-74F. Herfurth et al., Eur. Phys. J. A 15, 17 (2002)A. Kellerbauer et al., Phys. Rev. Lett.93, 072502 (2004)M. Mukherjee et al., Phys. Rev. Lett. 93, 150801 (2004)S. George et al., Phys. Rev. Lett. 98 (2007) 162501.
An accuracy of the Q-value by some few 100 eV is reached by mass measurements.
In addition required:Half-lifeBranching ratio
JVL-TRAP: Al-26m, Sc-42, Ga-62T. Eronen et al., Phys. Rev. Lett. 97, 232501 (2006) T. Eronen et al., Phys. Lett. B 636, 191 (2006) B. Hyland et al., Phys. Rev. Lett. 97, 102501 (2006)
CPT: Mg-22, V-46G. Savard et al., Phys. Rev. Lett. 95, 102501 (2005)J. Clark et al., Phys. Rec. C 70, 042501(R) (2004)
LEBIT: Ca-38G. Bollen et al., Phys. Rev. Lett. 96 (2006) 152501Further measurements at the Q3D magnetic
spectrograph (T. Faestermann)
www.physik.uni-mainz.de/quantum/mats
THE ENDTHE END
Thanks a lot toThanks a lot to
K. Blaum, M. Dworschak, C. Guénaut, A. Herlert, F. Herfurth, A. Kellerbauer, J. Ketelaer, H.-J. Kluge, M. Kretzschmar, M. Kowalska, D. Lunney, S. Nagy, D. Neidherr, S.Schwarz, L. Schweikhard, C. Yazidjian, and the ISOLTRAP and MATS collaboration
Thanks for funding and support:Thanks for funding and support:
GSI, BMBF, CERN, ISOLDE, HGF EU networks EUROTRAPS, EXOTRAPS, and NIPNET