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Chinese Physics C> 2010, Vol. 34> Issue(4) : 452-455 DOI: 10.1088/1674-1137/34/4/006

Measurement of the total reaction cross section for the mirror nuclei 12N and 12B

  • The mirror nuclei 12N and 12B are separated by the Radioactive Ion Beam Line in Lanzhou (RIBLL) at HIRFL from the breakup of 78.6 MeV/u 14N on a Be target. The total reaction cross-sections of 12N at 34.9 MeV/u and 12B at 54.4 MeV/u on a Si target have been measured by using the transmission method. Assuming 12N consists of a 11C core plus one halo proton, the excitation function of 12N and 12B on a Si target and a C target were calculated with the Glauber model. It can fit the experimental data very well. The characteristic halo structure for 12N was found with a large diffusion of the protons density distribution.

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    [1] . Tanihata I, Hamagaki H, Hashimoto O et al. Phys. Rev.Lett., 1985, 55: 26762. Tanihata I, Kobayashi T, Yamakawa O et al. Phys. Lett.B, 1995, 206: 5923. Hansen P G, Jensen A S, Jonson B. Ann. Rev. Nucl. Part.Sci., 1988, 45: 5914. Ozawa A, Tanihata I, Kobayashi T et al. Nucl. Phys. A,1995, 583: 807-8105. Warner R E, Thirumurthy H,Woodroffe J et al. Nucl. Phys.A, 1998, 635: 292-3046. LI Jia-Xing, GUO Zhong-Yan, XIAO Guo-Qing et al. HEP NP, 2002, 26: 683-689 (in Chinese)7. SUN Z, ZHAN W, GUO Z et al. Nucl. Instrum. MethodsA, 2003, 503: 496-5038. ZHAN W L, GUO Z Y, LIU G H et al. Science in China(Series A), 1999,42(5): 528-5369. LI Jia-Xing, ZHAN Wen-Long, GUO Zhong-Yan et al. HEP NP, 1999, 23(3): 231-236 (in Chinese)10. Fukuda M, Ichihara T, Inabe N et al. Phys. Lett. B, 1991,268: 339-34411. Charagi S K, Gupta S K. Phys. Rev. C, 1990, 41: 1610-161812. Charagi S K. Phys. Rev. C, 1995, 51: 3521-352313. Ozawa A, Suzuki T, Tanihata I. Nucl. Phys. A, 2001, 693:32-6214. Alkhazov G D, Dobrovolsky A V, Egelhof P. Nucl. Phys.A, 2002, 712: 269-299

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LI Jia-Xing, LIU Ping-Ping, WANG Jian-Song, HU Zheng-Guo, MAO Rui-Shi, SUN Zhi-Yu, LI Chen, CHEN Ruo-Fu, XU Hu-Shan, XIAO Guo-Qing and GUO Zhong-Yan. Measurement of the total reaction cross section for the mirror nuclei 12N and 12B[J]. Chinese Physics C, 2010, 34(4): 452-455. doi: 10.1088/1674-1137/34/4/006
LI Jia-Xing, LIU Ping-Ping, WANG Jian-Song, HU Zheng-Guo, MAO Rui-Shi, SUN Zhi-Yu, LI Chen, CHEN Ruo-Fu, XU Hu-Shan, XIAO Guo-Qing and GUO Zhong-Yan. Measurement of the total reaction cross section for the mirror nuclei 12N and 12B[J]. Chinese Physics C, 2010, 34(4): 452-455.  doi: 10.1088/1674-1137/34/4/006 shu
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Received: 2009-06-05
Revised: 2009-08-26
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Measurement of the total reaction cross section for the mirror nuclei 12N and 12B

    Corresponding author: LI Jia-Xing,
  • Received Date: 2009-06-05
  • Accepted Date: 2009-08-26
  • Available Online: 2010-04-05

Abstract: 

The mirror nuclei 12N and 12B are separated by the Radioactive Ion Beam Line in Lanzhou (RIBLL) at HIRFL from the breakup of 78.6 MeV/u 14N on a Be target. The total reaction cross-sections of 12N at 34.9 MeV/u and 12B at 54.4 MeV/u on a Si target have been measured by using the transmission method. Assuming 12N consists of a 11C core plus one halo proton, the excitation function of 12N and 12B on a Si target and a C target were calculated with the Glauber model. It can fit the experimental data very well. The characteristic halo structure for 12N was found with a large diffusion of the protons density distribution.

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