Study of Exoticness of Proton-Rich Nuclei <SUP>23</SUP>Al and it's Neighboring Nuclei

MA Chun-Wang; FANG De-Qing; GUO Wei; WANG Kun; YAN Ting-Zhi; MA Yu-Gang; CAI Xiang-Zhou; SHEN Wen-Qing; SUN Zhi-Yu; REN Zhong-Zhou; CHEN Jin-Gen; TIAN Wen-Dong; WNG Hong-Wei; MA Er-Jun; LIU Gui-Hua; SHI Yu

Chinese Physics C> 2006, Vol. 30> Issue(S2) : 186-188

Study of Exoticness of Proton-Rich Nuclei ²³Al and it's Neighboring Nuclei

Graduate School of Chinese Academy of Sciences, Beijing 100049, China2 Shanghai Institute of Applied Physics, CAS, Shanghai 201800, China3 Institute of Modern Physics, CAS, Lanzhou 730000, China4 Department of Physics, Nanjing University, Nanjing 210008, China5 Department of Physics, Saitama University, Saitama, 338-8570, Japan6 Department of Physics, Niigata University, Niigata, 950-2181, Japan7 TRIUMF, 4004 Wesbrook Mal, Vancouver, British Columbia V6T 2A3, Canada8 Institute of Physical and Chemical ResearchRIKEN, Wako-shi, Saitama, 351-8571, Japan9 Department of Physics, Tsukuba University,Ibaraki, 305-8571, Japan

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We measured the reaction cross sections(σ_R) and parallel momentum distributions(P_//) of ²³Al and it's neighboring nuclei at RIKEN-RIPS. An enhanced σ_R of ²³Al is observed, which is consistent with the previous experimental result. And the P_// of fragment from the projectile breakup nuclei have been obtained at the same time.We discuss our experimental data under the Few-Body Glauber Model. The P_// of ²³Al shows the ground state of the valence proton is a d-wave, which is consistent with the recent measurement of ²³Al's g factor. To explain the experimental σ_R and P_// of ²³Al at the same time, we suggest an enlarged core of ²³Al.

References

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MA Chun-Wang, FANG De-Qing, GUO Wei, WANG Kun, YAN Ting-Zhi, MA Yu-Gang, CAI Xiang-Zhou, SHEN Wen-Qing, SUN Zhi-Yu, REN Zhong-Zhou, CHEN Jin-Gen, TIAN Wen-Dong, WNG Hong-Wei, MA Er-Jun, LIU Gui-Hua and SHI Yu. Study of Exoticness of Proton-Rich Nuclei ²³Al and it's Neighboring Nuclei[J]. Chinese Physics C, 2006, 30(S2): 186-188.

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Received: 2006-10-18
Revised: 1900-01-01

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沈阳化工大学材料科学与工程学院沈阳 110142

Study of Exoticness of Proton-Rich Nuclei ²³Al and it's Neighboring Nuclei

Corresponding author: MA Chun-Wang,

Graduate School of Chinese Academy of Sciences, Beijing 100049, China2 Shanghai Institute of Applied Physics, CAS, Shanghai 201800, China3 Institute of Modern Physics, CAS, Lanzhou 730000, China4 Department of Physics, Nanjing University, Nanjing 210008, China5 Department of Physics, Saitama University, Saitama, 338-8570, Japan6 Department of Physics, Niigata University, Niigata, 950-2181, Japan7 TRIUMF, 4004 Wesbrook Mal, Vancouver, British Columbia V6T 2A3, Canada8 Institute of Physical and Chemical ResearchRIKEN, Wako-shi, Saitama, 351-8571, Japan9 Department of Physics, Tsukuba University,Ibaraki, 305-8571, Japan

Received Date: 2006-10-18
Accepted Date: 1900-01-01
Available Online: 2006-01-03

Abstract: We measured the reaction cross sections(σ_R) and parallel momentum distributions(P_//) of ²³Al and it's neighboring nuclei at RIKEN-RIPS. An enhanced σ_R of ²³Al is observed, which is consistent with the previous experimental result. And the P_// of fragment from the projectile breakup nuclei have been obtained at the same time.We discuss our experimental data under the Few-Body Glauber Model. The P_// of ²³Al shows the ground state of the valence proton is a d-wave, which is consistent with the recent measurement of ²³Al's g factor. To explain the experimental σ_R and P_// of ²³Al at the same time, we suggest an enlarged core of ²³Al.