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Chinese Physics C> 2010, Vol. 34> Issue(9) : 1372-1374 DOI: 10.1088/1674-1137/34/9/045

Low-energy D*+D01 scattering and the nature of resonance-like structure Z+(4430)

  • Low-energy scattering of D*+ and D01 meson is studied using quenched lattice QCD with improved lattice actions on anisotropic lattices. The threshold scattering parameters, namely the scattering length a0 and the effective range r0, for the s-wave scattering in JP=0－ channel are extracted: a0=2.52(47) fm and r0=0.7(1) fm. It is argued that, albeit the interaction between the two charmed mesons being attractive, it is unlikely that they can form a shallow bound state in this channel. Our calculation provides some useful information on the nature of the newly discovered resonance-like structure Z+(4430) by the Belle Collaboration.
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GONG Ming, CHEN Ying, MENG Guo-Zhan, HE Song, LI Gang, LIU Chuan, LIU Yu-Bin, MA Jian-Ping, MENG Xiang-Fei, NIU Zhi-Yuan, SHEN Yan, ZHANG Jian-Bo, ZHANG Yuan-Jiang and CLQCD collaboration. Low-energy D*+D01 scattering and the nature of resonance-like structure Z+(4430)[J]. Chinese Physics C, 2010, 34(9): 1372-1374. doi: 10.1088/1674-1137/34/9/045
GONG Ming, CHEN Ying, MENG Guo-Zhan, HE Song, LI Gang, LIU Chuan, LIU Yu-Bin, MA Jian-Ping, MENG Xiang-Fei, NIU Zhi-Yuan, SHEN Yan, ZHANG Jian-Bo, ZHANG Yuan-Jiang and CLQCD collaboration. Low-energy D*+D01 scattering and the nature of resonance-like structure Z+(4430)[J]. Chinese Physics C, 2010, 34(9): 1372-1374.  doi: 10.1088/1674-1137/34/9/045 shu
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Received: 2010-03-04
Revised: 1900-01-01
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Low-energy D*+D01 scattering and the nature of resonance-like structure Z+(4430)

    Corresponding author: GONG Ming,
  • Received Date: 2010-03-04
  • Accepted Date: 1900-01-01
  • Available Online: 2010-09-05

Abstract: Low-energy scattering of D*+ and D01 meson is studied using quenched lattice QCD with improved lattice actions on anisotropic lattices. The threshold scattering parameters, namely the scattering length a0 and the effective range r0, for the s-wave scattering in JP=0－ channel are extracted: a0=2.52(47) fm and r0=0.7(1) fm. It is argued that, albeit the interaction between the two charmed mesons being attractive, it is unlikely that they can form a shallow bound state in this channel. Our calculation provides some useful information on the nature of the newly discovered resonance-like structure Z+(4430) by the Belle Collaboration.

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