The production of charm pentaquark from B meson within SU(3) analysis

Na Li (School of Physics, China University of Mining and Technology, Xuzhou, 221000, China) ; Ye Xing (School of Physics, China University of Mining and Technology, Xuzhou, 221000, China) ; Xiao-hui Hu (School of Physics, China University of Mining and Technology, Xuzhou, 221000, China; Lanzhou Center for Theoretical Physics and Key Laboratory of Theoretical Physics of Gansu Province, Lanzhou University, Lanzhou, 730000, China)

We study the masses and production modes of pentaquark with the quark constituent $$c\bar{q}qqq$$ c q ¯ q q q , by the tridiquark-diquark model and systematical light flavor quark symmetry SU(3) analysis. The mass spectrums show that the S-wave singly charm pentaquark $$c{\bar{n}}nnn,~c{\bar{s}}ssn,~c{\bar{n}}ssn$$ c n ¯ n n n , c s ¯ s s n , c n ¯ s s n and $$c{\bar{n}}snn$$ c n ¯ s n n $$(n=u,d)$$ ( n = u , d ) are above their strong decay thresholds, while $$c{\bar{s}} nnn$$ c s ¯ n n n and $$c\bar{s} snn$$ c s ¯ s n n with parity $$\frac{1}{2}^-$$ 1 2 - are below their strong decay thresholds, which imply the possibility of stable states. Furthermore, we discuss the production of the concerned 15 states from B meson, the analysis within SU(3) symmetry yields the golden channels of production process, $${\overline{B}}^0_s\rightarrow F_{\bar{s}udd}^{+} {\overline{p}},\ B^-\rightarrow F_{\bar{u}dds}^{-} {\overline{\Lambda }}^0$$ B ¯ s 0 F s ¯ u d d + p ¯ , B - F u ¯ d d s - Λ ¯ 0 , which expected to be work worthily in b-factory.

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      "surname": "Xing", 
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      "surname": "Hu", 
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      "title": "The production of charm pentaquark from B meson within SU(3) analysis"
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      "source": "Springer", 
      "value": "We study the masses and production modes of pentaquark with the quark constituent  $$c\\bar{q}qqq$$  <math> <mrow> <mi>c</mi> <mover> <mrow> <mi>q</mi> </mrow> <mrow> <mo>\u00af</mo> </mrow> </mover> <mi>q</mi> <mi>q</mi> <mi>q</mi> </mrow> </math>  , by the tridiquark-diquark model and systematical light flavor quark symmetry SU(3) analysis. The mass spectrums show that the S-wave singly charm pentaquark  $$c{\\bar{n}}nnn,~c{\\bar{s}}ssn,~c{\\bar{n}}ssn$$  <math> <mrow> <mi>c</mi> <mover> <mrow> <mi>n</mi> </mrow> <mrow> <mo>\u00af</mo> </mrow> </mover> <mi>n</mi> <mi>n</mi> <mi>n</mi> <mo>,</mo> <mspace width=\"3.33333pt\"></mspace> <mi>c</mi> <mover> <mrow> <mi>s</mi> </mrow> <mrow> <mo>\u00af</mo> </mrow> </mover> <mi>s</mi> <mi>s</mi> <mi>n</mi> <mo>,</mo> <mspace width=\"3.33333pt\"></mspace> <mi>c</mi> <mover> <mrow> <mi>n</mi> </mrow> <mrow> <mo>\u00af</mo> </mrow> </mover> <mi>s</mi> <mi>s</mi> <mi>n</mi> </mrow> </math>   and  $$c{\\bar{n}}snn$$  <math> <mrow> <mi>c</mi> <mover> <mrow> <mi>n</mi> </mrow> <mrow> <mo>\u00af</mo> </mrow> </mover> <mi>s</mi> <mi>n</mi> <mi>n</mi> </mrow> </math>    $$(n=u,d)$$  <math> <mrow> <mo>(</mo> <mi>n</mi> <mo>=</mo> <mi>u</mi> <mo>,</mo> <mi>d</mi> <mo>)</mo> </mrow> </math>   are above their strong decay thresholds, while  $$c{\\bar{s}} nnn$$  <math> <mrow> <mi>c</mi> <mover> <mrow> <mi>s</mi> </mrow> <mrow> <mo>\u00af</mo> </mrow> </mover> <mi>n</mi> <mi>n</mi> <mi>n</mi> </mrow> </math>   and  $$c\\bar{s} snn$$  <math> <mrow> <mi>c</mi> <mover> <mrow> <mi>s</mi> </mrow> <mrow> <mo>\u00af</mo> </mrow> </mover> <mi>s</mi> <mi>n</mi> <mi>n</mi> </mrow> </math>   with parity  $$\\frac{1}{2}^-$$  <math> <msup> <mfrac> <mn>1</mn> <mn>2</mn> </mfrac> <mo>-</mo> </msup> </math>   are below their strong decay thresholds, which imply the possibility of stable states. Furthermore, we discuss the production of the concerned 15 states from B meson, the analysis within SU(3) symmetry yields the golden channels of production process,  $${\\overline{B}}^0_s\\rightarrow F_{\\bar{s}udd}^{+} {\\overline{p}},\\ B^-\\rightarrow F_{\\bar{u}dds}^{-} {\\overline{\\Lambda }}^0$$  <math> <mrow> <msubsup> <mrow> <mover> <mi>B</mi> <mo>\u00af</mo> </mover> </mrow> <mi>s</mi> <mn>0</mn> </msubsup> <mo>\u2192</mo> <msubsup> <mi>F</mi> <mrow> <mover> <mrow> <mi>s</mi> </mrow> <mrow> <mo>\u00af</mo> </mrow> </mover> <mi>u</mi> <mi>d</mi> <mi>d</mi> </mrow> <mo>+</mo> </msubsup> <mover> <mi>p</mi> <mo>\u00af</mo> </mover> <mo>,</mo> <mspace width=\"4pt\"></mspace> <msup> <mi>B</mi> <mo>-</mo> </msup> <mo>\u2192</mo> <msubsup> <mi>F</mi> <mrow> <mover> <mrow> <mi>u</mi> </mrow> <mrow> <mo>\u00af</mo> </mrow> </mover> <mi>d</mi> <mi>d</mi> <mi>s</mi> </mrow> <mo>-</mo> </msubsup> <msup> <mrow> <mover> <mi>\u039b</mi> <mo>\u00af</mo> </mover> </mrow> <mn>0</mn> </msup> </mrow> </math>  , which expected to be work worthily in b-factory."
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Published on:
08 November 2023
Publisher:
Springer
Published in:
European Physical Journal C , Volume 83 (2023)
Issue 11
Pages 1-20
DOI:
https://doi.org/10.1140/epjc/s10052-023-12188-1
Copyrights:
The Author(s)
Licence:
CC-BY-4.0

Fulltext files: