Partícula
Símbol
Quarks
Spin
Masa en repòs S
C
B
Vida mitjana Desintegracions més importants
Xi neutra
Ξ 0 {\displaystyle \mathrm {\Xi ^{0}} \,\!} u s s {\displaystyle \mathrm {uss} \,\!} 1 2 {\displaystyle {\begin{matrix}{\frac {1}{2}}\end{matrix}}} 1.314,83
−2
0
0
2,90·10-10
Ξ 0 → Λ 0 + π 0 99 , 52 % Ξ 0 → Σ 0 + γ 0 , 33 % {\displaystyle {\begin{matrix}{}_{\Xi ^{0}\,\rightarrow \,\Lambda ^{0}+\pi ^{0}}&{}_{99,52\%}\\{}_{\Xi ^{0}\,\rightarrow \,\Sigma ^{0}+\gamma }&{}_{0,33\%}\end{matrix}}} Xi negativa
Ξ − {\displaystyle \mathrm {\Xi ^{-}} \,\!} d s s {\displaystyle \mathrm {dss} \,\!} 1 2 {\displaystyle {\begin{matrix}{\frac {1}{2}}\end{matrix}}} 1.321,31
−2
0
0
1,64·10-10
Ξ − → Λ 0 + π − 99 , 88 % {\displaystyle {\begin{matrix}{}_{\Xi ^{-}\,\rightarrow \,\Lambda ^{0}+\pi ^{-}}&{}_{99,88\%}\end{matrix}}} Omega
Ω − {\displaystyle \mathrm {\Omega ^{-}} \,\!} s s s {\displaystyle \mathrm {sss} \,\!} 3 2 {\displaystyle {\begin{matrix}{\frac {3}{2}}\end{matrix}}} 1.672,45
−3
0
0
8,21·10-11
Ω − → Λ 0 + K − 67 , 8 % Ω − → Ξ 0 + π − 23 , 6 % {\displaystyle {\begin{matrix}{}_{\Omega ^{-}\,\rightarrow \,\Lambda ^{0}+K^{-}}&{}_{67,8\%}\\{}_{\Omega ^{-}\,\rightarrow \,\Xi ^{0}+\pi ^{-}}&{}_{23,6\%}\\\end{matrix}}} Omega encantada
Ω c 0 {\displaystyle \mathrm {\Omega _{c}^{0}} \,\!} s s c {\displaystyle \mathrm {ssc} \,\!} 1 2 {\displaystyle {\begin{matrix}{\frac {1}{2}}\end{matrix}}} 2.697,5
−2
+1
0
6,90·10-14
Ω c 0 → Σ + + K − + K − + π + ? ? % Ω c 0 → Ξ 0 + K − + π + ? ? % {\displaystyle {\begin{matrix}{}_{\Omega _{c}^{0}\,\rightarrow \,\Sigma ^{+}+K^{-}+K^{-}+\pi ^{+}}&{}_{??\,\%}\\{}_{\Omega _{c}^{0}\,\rightarrow \,\Xi ^{0}+K^{-}+\pi ^{+}}&{}_{??\,\%}\\\end{matrix}}} Xi positiva encantada
Ξ c + {\displaystyle \mathrm {\Xi _{c}^{+}} \,\!} u s c {\displaystyle \mathrm {usc} \,\!} 1 2 {\displaystyle {\begin{matrix}{\frac {1}{2}}\end{matrix}}} 2.468
−1
+1
0
4,42·10-13
Ξ c + → Ξ 0 + π + + π 0 ? ? % Ξ c + → Ξ 0 + e + + ν e ? ? % {\displaystyle {\begin{matrix}{}_{\Xi _{c}^{+}\,\rightarrow \,\Xi ^{0}+\pi ^{+}+\pi ^{0}}&{}_{??\,\%}\\{}_{\Xi _{c}^{+}\,\rightarrow \,\Xi ^{0}+e^{+}+\nu _{e}}&{}_{??\,\%}\\\end{matrix}}} Xi neutra encantada
Ξ c 0 {\displaystyle \mathrm {\Xi _{c}^{0}} \,\!} d s c {\displaystyle \mathrm {dsc} \,\!} 1 2 {\displaystyle {\begin{matrix}{\frac {1}{2}}\end{matrix}}} 2.471
−1
+1
0
1,12·10-13
Ξ c 0 → p + K − + K − + π + ? ? % Ξ c 0 → Λ 0 + K S 0 ? ? % {\displaystyle {\begin{matrix}{}_{\Xi _{c}^{0}\,\rightarrow \,p+K^{-}+K^{-}+\pi ^{+}}&{}_{??\,\%}\\{}_{\Xi _{c}^{0}\,\rightarrow \,\Lambda ^{0}+K_{S}^{0}}&{}_{??\,\%}\\\end{matrix}}} Lambda encantada
Λ c + {\displaystyle \mathrm {\Lambda _{c}^{+}} \,\!} u d c {\displaystyle \mathrm {udc} \,\!} 1 2 {\displaystyle {\begin{matrix}{\frac {1}{2}}\end{matrix}}} 2.284,9
0
+1
0
2,00·10-13
Λ c + → p + K − + π + ? ? % Λ c + → p + K 0 ¯ + π 0 ? ? % {\displaystyle {\begin{matrix}{}_{\Lambda _{c}^{+}\,\rightarrow \,p+K^{-}+\pi ^{+}}&{}_{??\,\%}\\{}_{\Lambda _{c}^{+}\,\rightarrow \,p+{\bar {K^{0}}}+\pi ^{0}}&{}_{??\,\%}\\\end{matrix}}} Xi doble encantada
Ξ c c + {\displaystyle \mathrm {\Xi _{cc}^{+}} \,\!} d c c {\displaystyle \mathrm {dcc} \,\!} ? {\displaystyle {\begin{matrix}?\end{matrix}}} 3.519
0
+2
0
<3,30·10-14
---
Lambda inferior
Λ b 0 {\displaystyle \mathrm {\Lambda _{b}^{0}} \,\!} u d b {\displaystyle \mathrm {udb} \,\!} 1 2 {\displaystyle {\begin{matrix}{\frac {1}{2}}\end{matrix}}} 5.624
0
0
−1
1,23·10-12
Λ b 0 → p + D 0 + π − ? ? % Λ b 0 → Λ c + + π − ? ? % {\displaystyle {\begin{matrix}{}_{\Lambda _{b}^{0}\,\rightarrow \,p+D^{0}+\pi ^{-}}&{}_{??\,\%}\\{}_{\Lambda _{b}^{0}\,\rightarrow \,\Lambda _{c}^{+}+\pi ^{-}}&{}_{??\,\%}\\\end{matrix}}} 
