Quark Index

For detailed calculations, it is often convenient to use a number to represent different quark classes. So any thermodynamic or chemical seed Z

$\sf{Z} \in \large{\{}$ $\sf{U, D, E, G, M, A, T, B, S, C, }$ Ⓐ, Ⓑ, Ⓒ, Ⓝ, Ⓓ, $\large{\}}$

that is used to define an ordinary quark

$\sf{z} = \{ \, \sf{Z}, \sf{O} \, \}$

and its associated anti-quark

$\bar{\sf{z}} = \{ \, \sf{Z}, \bar{\sf{O}} \, \}$

can occasionally be refered to using a number represented by the Greek letter ζ as shown in the table below. When used like this, zeta is called the quark index. This number also identifies the seed Z. The two particles $\sf{z}$ and $\bar{\sf{z}}$ are sometimes collectively called ζ-type or Z-type quarks. These notations are helpful when using summation notationXlink.png in formulae.
//Twenty Dragon Tampan// (detail) Paminggir people. Lampung region of Sumatra 19th century, 65 x 81 cm. From the library of Darwin Sjamsudin, Jakarta. Photograph by D Dunlop.
Twenty Dragon Tampan (detail) Paminggir people. Lampung region of Sumatra 19th century, 65 x 81 cm. From the library of Darwin Sjamsudin, Jakarta. Photograph by D Dunlop.
Index Seed Quarks
ζ Z z z
1 U u u
2 D d d
3 E e e
4 G g g
5 M m m
6 A a a
7 T t t
8 B b b
9 S s s
10 C c c
11 a a
12 b b
13 c c
14 n n
15 dd
16 l l

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favicon.jpeg A Quark Index
Noun Definition
Quark Index $\zeta \; \; \sf{\text{is a number representing quark class. }}$ 3-56
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