Partícula
Símbol
Quarks
Spin
Masa en repòs (MeV/c²)
S
C
B
Vida mitjana (s)
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}}}