粒子 人 被定义为有序集
其中 n a m e {\displaystyle name} 是 name， q [ e ] {\displaystyle q[e]} 电荷， l [ − ] {\displaystyle l[-]} 轻子数， l e [ − ] {\displaystyle l_{e}[-]} 电子轻子数， l μ [ − ] {\displaystyle l_{\mu }[-]} μ轻子数， l τ {\displaystyle l_{\tau }} τ轻子数， b [ − ] {\displaystyle b[-]} 重子数， k s [ − ] {\displaystyle k_{s}[-]} 奇异性， k c [ − ] {\displaystyle k_{c}[-]} 粲数， k b [ − ] {\displaystyle k_{b}[-]} 底数， k t [ − ] {\displaystyle k_{t}[-]} 顶数， j [ ℏ ] {\displaystyle j[\hbar ]} 自旋， i [ − ] {\displaystyle i[-]} 同位旋， i z [ − ] {\displaystyle i_{z}[-]} 同位旋的z分量， μ {\displaystyle \mu } 磁矩， p {\displaystyle p} 内禀宇称， m [ e V ] {\displaystyle m[eV]} 质量， τ [ s ] {\displaystyle \tau [s]} 平均寿命， E [ e V ] {\displaystyle E[eV]} 能量， x → {\displaystyle {\vec {x}}} 位置， k B {\displaystyle k_{B}} 颜色。
夸克 Ω K {\displaystyle \Omega _{K}} 是一组粒子
u = ( u p , 2 / 3 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 ) {\displaystyle u=(up,2/3,0,0,0,0,0,0,0,0,0)} d = ( d o w n , − 1 / 3 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 ) {\displaystyle d=(down,-1/3,0,0,0,0,0,0,0,0,0)} c = ( c u t e , 2 / 3 , 0 , 0 , 0 , 0 , 0 , 0 , 1 , 0 , 0 ) {\displaystyle c=(cute,2/3,0,0,0,0,0,0,1,0,0)} s = ( s t r a n g e , − 1 / 3 , 0 , 0 , 0 , 0 , 0 , − 1 , 0 , 0 , 0 ) {\displaystyle s=(strange,-1/3,0,0,0,0,0,-1,0,0,0)} t = ( t r u t h , 2 / 3 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , 1 ) {\displaystyle t=(truth,2/3,0,0,0,0,0,0,0,0,1)}
![{\displaystyle q[e]}](https://wikimedia.org/api/rest_v1/media/math/render/svg/0cfc24534e1d06827f3a7e4ccb0b736aa233f025)
![{\displaystyle l[-]}](https://wikimedia.org/api/rest_v1/media/math/render/svg/328de4dfba2df774aedc69c93d8deadb42a91740)
![{\displaystyle l_{e}[-]}](https://wikimedia.org/api/rest_v1/media/math/render/svg/5d51668894dcc6cd7ed546990448503d7729ccaa)
![{\displaystyle l_{\mu }[-]}](https://wikimedia.org/api/rest_v1/media/math/render/svg/d4929fc0e0797c3eb9b6d750b87071f8d6fcf0a7)
![{\displaystyle b[-]}](https://wikimedia.org/api/rest_v1/media/math/render/svg/3017be24bd0bc7e9b80ad9ab3fb4184eae03f19f)
![{\displaystyle k_{s}[-]}](https://wikimedia.org/api/rest_v1/media/math/render/svg/f8bb2fd6a25ab72130db0c13f25176a9e1824e30)
![{\displaystyle k_{c}[-]}](https://wikimedia.org/api/rest_v1/media/math/render/svg/8e4fd4ecc1bb7b88ac930500de76ada8dc844fee)
![{\displaystyle k_{b}[-]}](https://wikimedia.org/api/rest_v1/media/math/render/svg/b28032f8400b43d288f92a92706ef427005e6baf)
![{\displaystyle k_{t}[-]}](https://wikimedia.org/api/rest_v1/media/math/render/svg/3e05e9b7ba88b25ef718645b22e44e3c4e5ca8c5)
![{\displaystyle j[\hbar ]}](https://wikimedia.org/api/rest_v1/media/math/render/svg/f433a067352b1579b4ab2186badf4cee2d314531)
![{\displaystyle i[-]}](https://wikimedia.org/api/rest_v1/media/math/render/svg/2c74b9915f07a10230268228e511abfda714e6d0)
![{\displaystyle i_{z}[-]}](https://wikimedia.org/api/rest_v1/media/math/render/svg/ca03541b75ef8777d7b2ae4d6b7147b619d2625a)
![{\displaystyle m[eV]}](https://wikimedia.org/api/rest_v1/media/math/render/svg/52fefa26823bfefeb3c011b7069fa05a2e6bd447)
![{\displaystyle \tau [s]}](https://wikimedia.org/api/rest_v1/media/math/render/svg/a02b81487e59710a3dc35f155893a8abac753e1e)
![{\displaystyle E[eV]}](https://wikimedia.org/api/rest_v1/media/math/render/svg/e3f6d18b073998a600889d5e1608c09fb15e64e5)
