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HK: Physik der Hadronen und Kerne

HK 50: Plenary Session

HK 50.3: Plenary Talk

Friday, March 15, 2002, 12:00–12:30, Plenarsaal

QUADRUPOLE AND MAGNETIC MOMENTS OF NEUTRON-RICH NUCLEI FROM PROJECTILE FRAGMENTATION. — •Gerda Neyens — University of Leuven, Instituut voor Kern- en Stralingsfysica, Celestijnenlaan 200 D, B-3001 Leuven, Belgium

Recent advances in measuring the static moments of beams of radioactive nuclei will be presented. In particular the study of nuclei produced and spin-oriented in fragmentation reactions will be addressed [1-4]. By combining different types of spin-orientation (alignment, polarization) with different experimental techniques it is possible to measure the magnetic dipole moments, electric quadrupole moments as well as the spin of exotic nuclei. Some examples of recent results obtained at the GANIL facility, such as moments and spins of nuclei near 32Mg [5,6] will be discussed.

[1] G. Neyens et al., Nuclear Instrum. and Methods, Sect. A 340, 555 (1994).

[2] G. Neyens et al., Phys. Lett. B 393, 1-2, 36 (1997).

[3] N. Coulier et al., Phys. Rev. C 59, 1935 (1999).

[4] G. Neyens et al., Phys. Rev. Lett. 82, 497 (1999).

[5] S. Teughels et al., Ph.D. thesis K.U. Leuven, 2001

[6] D. Borremans et al., submitted Phys. Lett. B.