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Difference between revisions of "Down-quark"

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==Key Stage 5==
 
==Key Stage 5==
 
===Meaning===
 
===Meaning===
An '''down-quark''' is a type of [[quark]] with a [[Electrical Charge|charge]] of <math>-\frac{1}{3}</math>.
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A '''down-quark''' is a type of [[quark]] with a [[Electrical Charge|charge]] of <math>-\frac{1}{3}</math>.
  
 
===About Down-quarks===
 
===About Down-quarks===

Revision as of 16:20, 18 July 2019

Key Stage 5

Meaning

A down-quark is a type of quark with a charge of \(-\frac{1}{3}\).

About Down-quarks

There are two down-quarks in a neutron and only one down-quark in a proton.
Quark Charge/e Strangeness Baryon Number Lepton Number

Down-quark

\(q=-\frac{1}{3}\) \(S=0\) \(b=+\frac{1}{3}\) \(l=0\)

Antidown-quark

\(q=+\frac{1}{3}\) \(S=0\) \(b=-\frac{1}{3}\) \(l=0\)