Spin-aligned RI beams via two-step fragmentation reactions

Y Ichikawa ,D Kameda,R Chevrier,K Suzuki,Yuuki Ishii ,M Ishihara ,D L Balabanski ,K Asahı ,Hironori Hayashi ,T Kubo ,Takeshi Inoue ,J M Daugas ,T Furukawa ,N Fukuda ,Hiroyuki Takeda ,N Aoi ,Г Георгиев ,H Ueno ,A Yoshimi ,Masato Tsuchiya ,N Inabe ,H Iijima ,H Watanabe ,T Nanao ,T Ohnishi ,Mustafa Rajabali

doi:10.1016/j.nimb.2013.04.071

Spin-aligned RI beams via two-step fragmentation reactions

Y Ichikawa , D Kameda + Show 24 more

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https://doi.org/10.1016/j.nimb.2013.04.071

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Journal: Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms	Publication Date: Jun 19, 2013
Citations: 3	License type: mit

Affiliation: RIKEN Nishina Center, CEA DAM Île-de-France, Atomic Energy and Alternative Energies Commission, Tokyo Institute of Technology, Institute for Nuclear Research and Nuclear Energy, Bulgarian Academy of Sciences, Tokyo Metropolitan University, University of Paris-Sud, Institut National de Physique Nucléaire et de Physique des Particules, French National Centre for Scientific Research, Okayama University, KU Leuven

#Rare Isotope Beams #Spin Alignment + Show 8 more

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Abstract

A method to produce spin-aligned rare isotope (RI) beams has been developed, where a scheme of two-step projectile fragmentation to produce the RI of interest with high spin alignment and a technique of momentum-dispersion matching are combined. Effectiveness of the present method was demonstrated in an experiment at the RIKEN RIBF, where an RI beam of 32Al with spin alignment of 8(1)% was successfully produced from a primary beam of 48Ca, via an intermediate RI of 33Al. Figure of merit of the present method was found to be more than 50 times greater than that of the conventional method employing single-step projectile fragmentation.

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