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Flavor SU(3) properties of beauty tetraquark states with three different light quarks.

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Title: Flavor SU(3) properties of beauty tetraquark states with three different light quarks.
Authors: He, Xiao-Gang1,2,3,4 hexg@phys.ntu.edu.tw, Ko, Pyungwon4
Source: Physics Letters B. Oct2016, Vol. 761, p92-97. 6p.
Subjects: Tetraquark, Large Hadron Collider, Mesons, Lagrangian functions, Chirality of nuclear particles
Abstract: Beauty tetraquark states X ( b ¯ q ′ q ″ q ¯ ) composed of b ¯ s u d ¯ , b ¯ d s u ¯ , and b ¯ u d s ¯ , are unique that all the four valence quarks are different. Although the claim of existence of the first two states by D0 was not confirmed by data from LHCb, the possibility of such states still generated a lot of interests and should be pursued further. Non-observation of X ( b ¯ q ′ q ″ q ¯ ) states by LHCb may be just due to a still lower production rate than the limit of LHCb or at some different mass ranges. In this work we use light quark S U ( 3 ) flavor symmetry as guideline to classify symmetry properties of beauty tetraquark states. The multiplets which contain states with three different light quarks must be one of 6 ¯ or 15 of S U ( 3 ) representations. We study possible decays of such a tetraquark state into a B meson and a light pseudoscalar octet meson by constructing a leading order chiral Lagrangian, and also provide search strategies to determine whether a given tetraquark state of this type belongs to 6 ¯ or 15 . If X ( b ¯ q ′ q ″ q ¯ ) belongs to 15 , there are new doubly charged tetraquark states b ¯ u u d ¯ and b ¯ u u s ¯ . [ABSTRACT FROM AUTHOR]
Copyright of Physics Letters B is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Data: Flavor SU(3) properties of beauty tetraquark states with three different light quarks.
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  Data: <searchLink fieldCode="AR" term="%22He%2C+Xiao-Gang%22">He, Xiao-Gang</searchLink><relatesTo>1,2,3,4</relatesTo><i> hexg@phys.ntu.edu.tw</i><br /><searchLink fieldCode="AR" term="%22Ko%2C+Pyungwon%22">Ko, Pyungwon</searchLink><relatesTo>4</relatesTo>
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  Data: <searchLink fieldCode="JN" term="%22Physics+Letters+B%22">Physics Letters B</searchLink>. Oct2016, Vol. 761, p92-97. 6p.
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  Data: Beauty tetraquark states X ( b ¯ q ′ q ″ q ¯ ) composed of b ¯ s u d ¯ , b ¯ d s u ¯ , and b ¯ u d s ¯ , are unique that all the four valence quarks are different. Although the claim of existence of the first two states by D0 was not confirmed by data from LHCb, the possibility of such states still generated a lot of interests and should be pursued further. Non-observation of X ( b ¯ q ′ q ″ q ¯ ) states by LHCb may be just due to a still lower production rate than the limit of LHCb or at some different mass ranges. In this work we use light quark S U ( 3 ) flavor symmetry as guideline to classify symmetry properties of beauty tetraquark states. The multiplets which contain states with three different light quarks must be one of 6 ¯ or 15 of S U ( 3 ) representations. We study possible decays of such a tetraquark state into a B meson and a light pseudoscalar octet meson by constructing a leading order chiral Lagrangian, and also provide search strategies to determine whether a given tetraquark state of this type belongs to 6 ¯ or 15 . If X ( b ¯ q ′ q ″ q ¯ ) belongs to 15 , there are new doubly charged tetraquark states b ¯ u u d ¯ and b ¯ u u s ¯ . [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Physics Letters B is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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      – Type: doi
        Value: 10.1016/j.physletb.2016.08.005
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      – Code: eng
        Text: English
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        PageCount: 6
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      – SubjectFull: Tetraquark
        Type: general
      – SubjectFull: Large Hadron Collider
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      – SubjectFull: Mesons
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      – SubjectFull: Lagrangian functions
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      – SubjectFull: Chirality of nuclear particles
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              Text: Oct2016
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