Probing the halo and cluster structure of exotic nuclei

  • The Halo and cluster structure at the ground state of unstable nuclei are among the most exciting phenomena of current nuclear physics. Probing these structures requires a careful selection of reaction tools. In the past twenty years, knockout reactions have been used intensively to investigate spectroscopically the structure of unstable nuclei. In this report we have illustrated the latest development of the knockout reaction tool and have emphasized the recoiled proton tagging method. A quantitative criteria is developed to evaluate the quasi-free feature of the knockout process. The newly discovered "towing mode" reaction tool is also outlined and its applicability at transit energies is discussed.
  • [1] Hamamoto I. J. Phys. G, 2010, 37: 0551022 Ershov S N et al. Phys. G, 2010, 37: 0640263 Horiuchi H. J. Phys. G, 2010, 37: 0640214 Baye D et al. Nucl. Phys. News, 2004, 15: 105 Tanaka K et al. Phys. Rev. Lett., 2010, 104: 0627016 Nakamura T et al. Phys. Rev. Lett., 2009, 103: 2625017 Oertzen W V et al. Phys. Rep., 2006, 432: 438 Funaki Y et al. J. Phys. G, 2010, 37: 0640129 Taniguchi Y et al. Phys. Rev. C, 2009, 80: 04431610 QI C, XU F R et al. Phys. Rev. Lett., 2009, 103: 07250111 DONG T, REN Z Z. Phys. Rev. C, 2010, 82: 03432012 Hagino K et al. Phys. Rev. Lett., 2007, 99: 02250613 Khoa D T, Oertzen W V. Phys. Lett. B, 2004, 595: 19314 YE Y et al. J. Phys. G, 2005, 31: S164715 Hagino K et al. J. Phys. G, 2010, 37: 06404016 Roos P G et al. Phys. Rev. C, 1977, 15: 6917 Hansen P G, Tostevin J A. Annu. Rev. Nucl. Part. Sci.,2003, 53: 21918 Tanihata I, Hamagaki H, Hashimoto O et al. Phys. Rev.Lett., 1985, 55: 2676-267919 Dickho W H, J. Phys. G, 2010, 37: 06400720 Aksyutina Yu et al. Phys. Lett. B, 2009, 679: 19121 Suzuki Y, Lovas R G, Yabana K, Varga K. Structure andReaction of Light Exotic Nuclei. Taylor and Francis, Lon-don, 200322 Korsheninnikov A A, Kobayashi T. Nucl. Phys. A, 1994,567: 9723 Korsheninnikov A A et al. Europhys. Lett., 1995, 29: 35924 Nilsson T et al. Nucl. Phys. A, 1996, 598: 41825 Chulkov L V, Aksouh F, Bleile A et al. Nucl. Phys. A, 2005,759: 4326 YE Y L et al. Nucl. Phys. A, 2010, 834: 454c27 Oganessian Y T, Zagrebaev V I. Phys. Rev. C, 1999, 60:04460528 Scarpaci J A, Beaumel D, Blumenfeld Y et al. Phys. Lett.B, 1998, 428: 24129 Lacroix D, Scarpaci J A, Chomaz P. Nucl. Phys. A, 1999,658: 27330 Lima V, Scarpaci J A, Lacroix D et al. Nucl. Phys. A, 2007,795: 131 Assie M, Lacroix D. Phys. Rev. Lett., 2009, 102: 20250132 Assie M, Scarpaci J A, Lacroix D et al. Eur. Phys. J. A,2009, 42: 44133 Scarpaci J A, Fallot M, Lacroix D et al. Phys. Rev. C, 2010,82: 031301
  • [1] Hamamoto I. J. Phys. G, 2010, 37: 0551022 Ershov S N et al. Phys. G, 2010, 37: 0640263 Horiuchi H. J. Phys. G, 2010, 37: 0640214 Baye D et al. Nucl. Phys. News, 2004, 15: 105 Tanaka K et al. Phys. Rev. Lett., 2010, 104: 0627016 Nakamura T et al. Phys. Rev. Lett., 2009, 103: 2625017 Oertzen W V et al. Phys. Rep., 2006, 432: 438 Funaki Y et al. J. Phys. G, 2010, 37: 0640129 Taniguchi Y et al. Phys. Rev. C, 2009, 80: 04431610 QI C, XU F R et al. Phys. Rev. Lett., 2009, 103: 07250111 DONG T, REN Z Z. Phys. Rev. C, 2010, 82: 03432012 Hagino K et al. Phys. Rev. Lett., 2007, 99: 02250613 Khoa D T, Oertzen W V. Phys. Lett. B, 2004, 595: 19314 YE Y et al. J. Phys. G, 2005, 31: S164715 Hagino K et al. J. Phys. G, 2010, 37: 06404016 Roos P G et al. Phys. Rev. C, 1977, 15: 6917 Hansen P G, Tostevin J A. Annu. Rev. Nucl. Part. Sci.,2003, 53: 21918 Tanihata I, Hamagaki H, Hashimoto O et al. Phys. Rev.Lett., 1985, 55: 2676-267919 Dickho W H, J. Phys. G, 2010, 37: 06400720 Aksyutina Yu et al. Phys. Lett. B, 2009, 679: 19121 Suzuki Y, Lovas R G, Yabana K, Varga K. Structure andReaction of Light Exotic Nuclei. Taylor and Francis, Lon-don, 200322 Korsheninnikov A A, Kobayashi T. Nucl. Phys. A, 1994,567: 9723 Korsheninnikov A A et al. Europhys. Lett., 1995, 29: 35924 Nilsson T et al. Nucl. Phys. A, 1996, 598: 41825 Chulkov L V, Aksouh F, Bleile A et al. Nucl. Phys. A, 2005,759: 4326 YE Y L et al. Nucl. Phys. A, 2010, 834: 454c27 Oganessian Y T, Zagrebaev V I. Phys. Rev. C, 1999, 60:04460528 Scarpaci J A, Beaumel D, Blumenfeld Y et al. Phys. Lett.B, 1998, 428: 24129 Lacroix D, Scarpaci J A, Chomaz P. Nucl. Phys. A, 1999,658: 27330 Lima V, Scarpaci J A, Lacroix D et al. Nucl. Phys. A, 2007,795: 131 Assie M, Lacroix D. Phys. Rev. Lett., 2009, 102: 20250132 Assie M, Scarpaci J A, Lacroix D et al. Eur. Phys. J. A,2009, 42: 44133 Scarpaci J A, Fallot M, Lacroix D et al. Phys. Rev. C, 2010,82: 031301
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YE Yan-Lin, LÜ Lin-Hui, CAO Zhong-Xin and XIAO Jun. Probing the halo and cluster structure of exotic nuclei[J]. Chinese Physics C, 2012, 36(2): 127-131. doi: 10.1088/1674-1137/36/2/004
YE Yan-Lin, LÜ Lin-Hui, CAO Zhong-Xin and XIAO Jun. Probing the halo and cluster structure of exotic nuclei[J]. Chinese Physics C, 2012, 36(2): 127-131.  doi: 10.1088/1674-1137/36/2/004 shu
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Received: 2011-05-30
Revised: 2011-07-29
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Probing the halo and cluster structure of exotic nuclei

    Corresponding author: YE Yan-Lin,

Abstract: The Halo and cluster structure at the ground state of unstable nuclei are among the most exciting phenomena of current nuclear physics. Probing these structures requires a careful selection of reaction tools. In the past twenty years, knockout reactions have been used intensively to investigate spectroscopically the structure of unstable nuclei. In this report we have illustrated the latest development of the knockout reaction tool and have emphasized the recoiled proton tagging method. A quantitative criteria is developed to evaluate the quasi-free feature of the knockout process. The newly discovered "towing mode" reaction tool is also outlined and its applicability at transit energies is discussed.

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