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Production of spin-controlled rare isotope beams

Y. Ichikawa H. Ueno Y. Ishii T. Furukawa A. Yoshimi D. Kameda H. Watanabe N. Aoi K. Asahi D. L. Balabanski R. Chevrier 1 J. M. Daugas 1 N. Fukuda G. Georgiev 2 H. Hayashi H. Iijima N. Inabe T. Inoue M. Ishihara T. Kubo T. Nanao T. Ohnishi K. Suzuki M. Tsuchiya H. Takeda M. M. Rajabali
2 CSNSM SNO
CSNSM - Centre de Spectrométrie Nucléaire et de Spectrométrie de Masse, CSNSM - Centre de Sciences Nucléaires et de Sciences de la Matière : UMR8609
Abstract : The degree of freedom of spin in quantum systems serves as an unparalleled laboratory where intriguing quantum physical properties can be observed, and the ability to control spin is a powerful tool in physics research. We propose a method for controlling spin in a system of rare isotopes which takes advantage of the mechanism of the projectile fragmentation reaction combined with the momentum-dispersion matching technique. The present method was verified in an experiment at the RIKEN RI Beam Factory, in which a degree of alignment of 8% was achieved for the spin of a rare isotope 32Al. The figure of merit for the present method was found to be greater than that of the conventional method by a factor of more than 50.
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Submitted on : Thursday, December 20, 2012 - 3:25:31 PM
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Y. Ichikawa, H. Ueno, Y. Ishii, T. Furukawa, A. Yoshimi, et al.. Production of spin-controlled rare isotope beams. Nature Physics, Nature Publishing Group, 2012, 8, pp.918-922. ⟨10.1038/nphys2457⟩. ⟨in2p3-00767867⟩

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