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

Abstract

AbstractWe 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.