particles
   hadrons - composite particles
     baryons - fermionic hadrons
       Sigma baryons - baryons with two u and/or d quarks (I=1)
         01 Sigma+ - positive Sigma
         02 Sigma0 - neutral Sigma
         03 Sigma- - negative Sigma
         04.1 Sigma(1385)+ - positive Sigma(1385)
         04.2 Sigma(1385)0 - neutral Sigma(1385)
         04.3 Sigma(1385)- - negative Sigma(1385)
         05.1 [Sigma(1480)+] [unconfirmed]
         05.2 [Sigma(1480)0] [unconfirmed]
         05.3 [Sigma(1480)-] [unconfirmed]
         06.1 [Sigma(1560)+] [unconfirmed]
         06.2 [Sigma(1560)0] [unconfirmed]
         06.3 [Sigma(1560)-] [unconfirmed]
         07.1 [Sigma(1580)+] [unconfirmed]
         07.2 [Sigma(1580)0] [unconfirmed]
         07.3 [Sigma(1580)-] [unconfirmed]
         08.1 [Sigma(1620)+] [unconfirmed]
         08.2 [Sigma(1620)0] [unconfirmed]
         08.3 [Sigma(1620)-] [unconfirmed]
         09.1 [Sigma(1660)+]
         09.2 [Sigma(1660)0]
         09.3 [Sigma(1660)-]
         10.1 Sigma(1670)+
         10.2 [Sigma(1670)0]
         10.3 [Sigma(1670)-]
         11.1 [Sigma(1690)+] [unconfirmed]
         11.2 [Sigma(1690)0] [unconfirmed]
         11.3 [Sigma(1690)-] [unconfirmed]
         12.1 [Sigma(1750)+]
         12.2 [Sigma(1750)0]
         12.3 [Sigma(1750)-]
         13.1 [Sigma(1770)+] [unconfirmed]
         13.2 [Sigma(1770)0] [unconfirmed]
         13.3 [Sigma(1770)-] [unconfirmed]
         14.1 [Sigma(1775)+]
         14.2 [Sigma(1775)0]
         14.3 [Sigma(1775)-]
         15.1 [Sigma(1840)+] [unconfirmed]
         15.2 [Sigma(1840)0] [unconfirmed]
         15.3 [Sigma(1840)-] [unconfirmed]
         16.1 [Sigma(1880)+] [unconfirmed]
         16.2 [Sigma(1880)0] [unconfirmed]
         16.3 [Sigma(1880)-] [unconfirmed]
         17.1 [Sigma(1915)+]
         17.2 [Sigma(1915)0]
         17.3 [Sigma(1915)-]
         18.1 [Sigma(1940)+]
         18.2 [Sigma(1940)0]
         18.3 [Sigma(1940)-]
         19.1 [Sigma(2000)+] [unconfirmed]
         19.2 [Sigma(2000)0] [unconfirmed]
         19.3 [Sigma(2000)-] [unconfirmed]
         20.1 [Sigma(2030)+]
         20.2 [Sigma(2030)0]
         20.3 [Sigma(2030)-]
         21.1 [Sigma(2070)+] [unconfirmed]
         21.2 [Sigma(2070)0] [unconfirmed]
         21.3 [Sigma(2070)-] [unconfirmed]
         22.1 [Sigma(2080)+] [unconfirmed]
         22.2 [Sigma(2080)0] [unconfirmed]
         22.3 [Sigma(2080)-] [unconfirmed]
         23.1 [Sigma(2100)+] [unconfirmed]
         23.2 [Sigma(2100)0] [unconfirmed]
         23.3 [Sigma(2100)-] [unconfirmed]
         24.1 [Sigma(2250)+]
         24.2 [Sigma(2250)0]
         24.3 [Sigma(2250)-]
         25.1 [Sigma(2455)+] [unconfirmed]
         25.2 [Sigma(2455)0] [unconfirmed]
         25.3 [Sigma(2455)-] [unconfirmed]
         26.1 [Sigma(2620)+] [unconfirmed]
         26.2 [Sigma(2620)0] [unconfirmed]
         26.3 [Sigma(2620)-] [unconfirmed]
         27.1 [Sigma(3000)+] [unconfirmed]
         27.2 [Sigma(3000)0] [unconfirmed]
         27.3 [Sigma(3000)-] [unconfirmed]
         28.1 [Sigma(3170)+] [unconfirmed]
         28.2 [Sigma(3170)0] [unconfirmed]
         28.3 [Sigma(3170)-] [unconfirmed]