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Deformation-driven p-wave Halos at the Drip-line: 31Ne

Nakamura, T, Kobayashi, N, Kondo, Y, Satou, Y, Tostevin, JA, Utsuno, Y, Aoi, N, Baba, H, Deguchi, S, Fukuda, N , Gibelin, J, Inabe, N, Ishihara, M, Kameda, D, Kawada, Y, Kubo, T, Motobayashi, T, Motobayashi, T, Orr, NA, Otsu, H, Otsuka, T, Sakurai, H, Sumikama, T, Takeda, H, Takeshita, E, Takechi, M, Takeuchi, S, Tanaka, KN, Tanaka, N, Togano, Y and Yoneda, K (2014) Deformation-driven p-wave Halos at the Drip-line: 31Ne Physical Review Letters, 112, 142501.

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The halo structure of Ne31 is studied using 1n-removal reactions on C and Pb targets at 230  MeV/nucleon. A combined analysis of the cross sections of these nuclear and Coulomb dominated reactions that feed directly the Ne30 ground-state reveals Ne31 to have a small neutron separation energy, 0.15+0.16−0.10  MeV, and spin-parity 3/2−. Consistency of the data with reaction and large-scale shell-model calculations identifies Ne31 as deformed and having a significant p-wave halo component, suggesting that halos are more frequent occurrences at the neutron drip line.

Item Type: Article
Divisions : Faculty of Engineering and Physical Sciences > Physics
Authors :
Nakamura, T
Kobayashi, N
Kondo, Y
Satou, Y
Tostevin, JA
Utsuno, Y
Aoi, N
Baba, H
Deguchi, S
Fukuda, N
Gibelin, J
Inabe, N
Ishihara, M
Kameda, D
Kawada, Y
Kubo, T
Motobayashi, T
Motobayashi, T
Orr, NA
Otsu, H
Otsuka, T
Sakurai, H
Sumikama, T
Takeda, H
Takeshita, E
Takechi, M
Takeuchi, S
Tanaka, KN
Tanaka, N
Togano, Y
Yoneda, K
Date : 7 April 2014
DOI : 10.1103/PhysRevLett.112.142501
Related URLs :
Additional Information : Copyright 2014 The American Physical Society.
Depositing User : Symplectic Elements
Date Deposited : 15 Apr 2014 14:17
Last Modified : 31 Oct 2017 16:41

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