The quark structure of the neutron. The color assignment of individual quarks is arbitrary, but all three colors must be present. Forces between quarks are mediated by gluons.
Ka samaysan1 up quark, 2 down quarks
FalgalinGravity, weak, strong, electromagnetic
SummaddaError no symbol defined, Error no symbol defined, Error no symbol defined
TheorizedErnest Rutherford[1] (1920)
La helayJames Chadwick[2] (1932)
Cuf1.674927471(21)×10−27 kg[3]
939.5654133(58) MeV/c2[3]
1.00866491588(49) u[3]
Celcelis cimri881.5(15) s (free)
Sal danabe
(−2±8)×10−22 e (experimental limits)[4]
Electric dipole moment< 2.9×10−26 e⋅cm (experimental upper limit)
Electric polarizability1.16(15)×10−3 fm3
Magnetic moment−0.96623650(23)×10−26 J·T−1[3]
−1.04187563(25)×10−3 μB[3]
−1.91304273(45) μN[3]
Magnetic polarizability3.7(20)×10−4 fm3
CondensedI(JP) = 1/2(1/2+)
  1. Ernest Rutherford. Retrieved on 2012-08-16.
  2. 1935 Nobel Prize in Physics. Retrieved on 2012-08-16.
  3. 3.0 3.1 3.2 3.3 3.4 3.5 Mohr, P.J.; Taylor, B.N. and Newell, D.B. (2014), "The 2014 CODATA Recommended Values of the Fundamental Physical Constants" (Web Version 7.0). The database was developed by J. Baker, M. Douma, and S. Kotochigova. (2014). National Institute of Standards and Technology, Gaithersburg, Maryland 20899.
  4. Cite error: Invalid <ref> tag; no text was provided for refs named PDGLIVE