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Suggested merger
The "Neutron magnetic moment" article seems to make sense. 173.175.54.131 (talk ) 05:16, 7 July 2010 (UTC) [ reply ]
simple semi-Classical explanation ??
First, quarks have spin-angular-momentum of
ℏ
2
{\displaystyle {\hbar } \over {2}}
; typical charge of
e
3
{\displaystyle {e} \over {3}}
; and typical mass of
m
p
3
{\displaystyle {m_{\mathrm {p} }} \over {3}}
. Accordingly, the expected quark magneton would be:
μ
q
=
e
3
ℏ
2
2
m
P
3
{\displaystyle \mu _{q}={{{{e} \over {3}}{{\hbar } \over {2}}} \over {2{{m_{P}} \over {3}}}}}
=
μ
N
2
{\displaystyle ={{\mu _{N}} \over {2}}}
Then, in units of
μ
q
{\displaystyle \mu _{q}}
,
μ
P
≈
6
{\displaystyle \mu _{P}\approx 6}
μ
N
≈
−
4
{\displaystyle \mu _{N}\approx -4}
Then, assuming that
μ
P
=
2
μ
u
p
+
1
μ
d
o
w
n
{\displaystyle \mu _{P}=2\mu _{up}+1\mu _{down}}
μ
N
=
−
1
μ
u
p
−
2
μ
d
o
w
n
{\displaystyle \mu _{N}=-1\mu _{up}-2\mu _{down}}
Then, that system of equations can be quickly solved, yielding
μ
u
p
=
8
3
{\displaystyle \mu _{up}={{8} \over {3}}}
μ
d
o
w
n
=
2
3
{\displaystyle \mu _{down}={{2} \over {3}}}
Then, accounting for up-quarks having twice the normal quark charge; and attributing the remaining discrepancies to differences in up-quark vs. down-quark masses,
m
u
p
=
1
4
{\displaystyle m_{up}={{1} \over {4}}}
m
d
o
w
n
=
1
2
{\displaystyle m_{down}={{1} \over {2}}}
in units of
m
P
{\displaystyle m_{P}}
. Thus, a simple picture, of down-quarks having twice the mass, and (negative) half the charge, of up quarks; qualitatively accounts, for proton & neutron magnetons, as well as masses (neutrons heavier than protons).66.235.38.214 (talk ) 03:42, 18 October 2012 (UTC) [ reply ]
As you can find in the page for Up quark and Down quark , typical quark masses are in fact around
m
p
100
{\displaystyle {m_{\mathrm {p} }} \over {100}}
, so this is clearly not helpful. Also, as far as I can tell this is original work and according to Wikipedia's policy should not be included on the page. Ragnarstroberg (talk ) 15:28, 15 January 2013 (UTC) [ reply ]
R e t r i e v e d f r o m " https://en.wikipedia.org/w/index.php?title=Talk:Nuclear_magneton&oldid=1204354939 "
C a t e g o r i e s :
● S t u b - C l a s s p h y s i c s a r t i c l e s
● L o w - i m p o r t a n c e p h y s i c s a r t i c l e s
● S t u b - C l a s s p h y s i c s a r t i c l e s o f L o w - i m p o r t a n c e
● T h i s p a g e w a s l a s t e d i t e d o n 7 F e b r u a r y 2 0 2 4 , a t 0 0 : 0 5 ( U T C ) .
● T e x t i s a v a i l a b l e u n d e r t h e C r e a t i v e C o m m o n s A t t r i b u t i o n - S h a r e A l i k e L i c e n s e 4 . 0 ;
a d d i t i o n a l t e r m s m a y a p p l y . B y u s i n g t h i s s i t e , y o u a g r e e t o t h e T e r m s o f U s e a n d P r i v a c y P o l i c y . W i k i p e d i a ® i s a r e g i s t e r e d t r a d e m a r k o f t h e W i k i m e d i a F o u n d a t i o n , I n c . , a n o n - p r o f i t o r g a n i z a t i o n .
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