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Decay behaviors of the fully-bottom and fully-charm tetraquark states | | Hua-Xing Chen
; Yi-Xin Yan
; Wei Chen
; | | Date: |
18 Jul 2022 | | Abstract: | We study the decay behaviors of the fully-bottom tetraquark states within the
diquark-antidiquark picture, and calculate their relative branching ratios
through the Fierz rearrangement. Our results suggest that the $C=+$ states can
be searched for in the $mu^+ mu^- Upsilon(1S)$ and $mu^+ mu^-
Upsilon(2S)$ channels with the relative branching ratio $mathcal{B}(X o
mumu Upsilon(2S)) / mathcal{B}(X o mu mu Upsilon(1S)) approx 0.4$.
Our results also suggest that the $C=-$ states can be searched for in the
$mu^+ mu^- eta_b(1S)$ and $mu^+ mu^- eta_b(2S)$ channels with the similar
relative branching ratio $mathcal{B}(X o mumu eta_b(2S)) / mathcal{B}(X
o mu mu eta_b(1S)) approx 0.4$. We also reanalysis the fully-charm
tetraquark states, and study the $X(6900)$ decay into the $J/psi psi(2S)$
channel to obtain the relative branching ratio $mathcal{B}(X o J/psi
psi(2S)) / mathcal{B}(X o J/psi J/psi) approx 0.1$. | | Source: | arXiv, 2207.08593 | | Services: | Forum | Review | PDF | Favorites | |
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