प्रोटोन धाःगु एटमया न्युक्लियसय् दैगु छगू पोजिटिभली चार्ज्ड सबएटमिक पार्टिकल ख।

प्रोटोन
The quark structure of the proton. (The color assignment of individual quarks is not important, only that all three colors are present.)
वर्गीकरणBaryon
Composition2 up quarks, 1 down quark
StatisticsFermionic
अन्तरक्रियाGravity, Electromagnetic, Weak, Strong
चिंp, p+
, N+
AntiparticleAntiproton
TheorizedWilliam Prout (1815)
लूगु तिथिErnest Rutherford (1917–1919, named by him, 1920)
Mass1.672621777(74)×10−27 kg[]

938.272046(21) MeV/c2[]

1.007276466812(90) u[]
Mean lifetime>2.1×1029 years (stable)
Electric charge+1 e
1.602176565(35)×10−19 C[]
Charge radius0.8775(51) fm[]
Electric dipole moment<5.4×10−24 e·cm
Electric polarizability1.20(6)×10−3 fm3
Magnetic moment1.410606743(33)×10−26 J·T−1[]

1.521032210(12)×10−3 μB[]

2.792847356(23) μN[]
Magnetic polarizability1.9(5)×10−4 fm3
Spin12
Isospin12
Parity+1
CondensedI(JP) = 12(12+)

लिधंसा

सम्पादन
  1. १.० १.१ १.२ १.३ १.४ १.५ १.६ १.७ P.J. Mohr, B.N. Taylor, and D.B. Newell (2011), "The 2010 CODATA Recommended Values of the Fundamental Physical Constants" (Web Version 6.0). This database was developed by J. Baker, M. Douma, and S. Kotochigova. Available: http://physics.nist.gov/constants [Thursday, 02-Jun-2011 21:00:12 EDT]. National Institute of Standards and Technology, Gaithersburg, MD 20899.