Polarization and Momentum Distribution of 23Ne and 25Al Produced in One Nucleon Pickup Reactions at 10A MeV

K Matsuta ,D Shinojima,G F Krebs,S Kumashiro,Y Nojiri,S Nakajima,T Yasuno,T J M Symons,K Minamisono,Hiroyuki Tanaka ,J Alonso ,H Hirano ,M Mihara ,M Torikoshi ,T Sumikama ,T Izumikawa ,A Kitagawa ,S Momota ,Shigeo Sato ,K Muranaka ,T Maemura ,M Nagao ,A Chiba ,K Yamada ,T Ohtsubo ,Takeshi Suzuki ,Takayuki Yamaguchi ,H Fujiwara ,A Ozawa ,T Minamisono ,Mitsuhiro Fukuda ,Y Nakashima ,Masato Ota ,Takashi Nakamura ,Shahjada Ahmed Pahlovy ,M Kanazawa ,K Tanaka ,R Matsumiya ,K Yoshida ,S Takahashi ,I Tanihata

doi:10.1063/1.2750907

Polarization and Momentum Distribution of 23Ne and 25Al Produced in One Nucleon Pickup Reactions at 10A MeV

K Matsuta , D Shinojima + Show 39 more

https://doi.org/10.1063/1.2750907

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Publication Date: Jan 1, 2007

Affiliation: Osaka University, Niigata University, Lawrence Berkeley National Laboratory, Kochi University of Technology, Saitama University, University of Tsukuba, Michigan State University, RIKEN, Fukui University of Technology, TRIUMF

#Nucleon Pickup Reactions #Intermediate Energy Heavy Ion Collisions + Show 8 more

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Abstract

We measured the polarization of the β‐emitting 23Ne (Iπ = 5/2+, T1/2 = 37.24 s) and 25Al(Iπ = 5/2+, T1/2 = 7.18 s), produced through the one nucleon pickup reactions in the intermediate energy heavy ion collisions, and was compared with those from the projectile fragmentation process. The larger polarization which seems to persistently be positive throughout the momentum distribution, and sharper momentum distributions suggest nuclear friction mechanism to be responsible for the polarization phenomena. Using such a large polarization, magnetic moment of 23Ne and the quadrupole moment of 25Al were measured. The obtained values are |μ(23Ne)| = 1.0817(9) μN and |Q(25Al)| = (240 ± 20) mb.

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