Difference between revisions of "Quark"

Revision as of 07:58, 19 July 2019

Quarks (q) are a type of fermion and are the constituent parts of hadrons.

The quark is denoted with a lower case q.

Quarks are believed to be fundamental particles but they have never been observed on their own.

Quarks always exist as part of hadron including a baryon, which is a triplet of quarks or a meson which is a quark-antiquark pair.

There are 6 types of quark including:

Up-quark (u) - With a charge of \(+\frac{2}{3}\)e, two of which are found in proton and one of which is found in a neutron.
Down-quark (d) - With a charge of \(-\frac{1}{3}\)e, two of which are found in a neutron and one of which is found in a proton.
Strange-quark (s) - With a charge of \(-\frac{1}{3}\)e which decays quickly via the weak interaction into a down-quark.
Top-quark (t) - With a charge of \(+\frac{2}{3}\)e which decays quickly via the weak interaction.
Bottom-quark (b) - With a charge of \(-\frac{1}{3}\)e which decays quickly via the weak interaction.
Charm-quark (c) - With a charge of \(+\frac{2}{3}\)e which decays quickly via the weak interaction.

@@ Line 4: / Line 4: @@
 ===About Quarks===
+: The '''quark''' is denoted with a lower case '''q'''.
 : '''Quarks''' are believed to be [[Fundamental Particle|fundamental particles]] but they have never been observed on their own.
 : '''Quarks''' always exist as part of [[hadron]] including a [[baryon]], which is a triplet of [[quark]]s or a [[meson]] which is a [[quark]]-[[antiquark]] pair.