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Quark structure proton.svg
The quark structure of the proton. (The color assignment of individual quarks is not important, only that all three colors are present.)
वर्गीकरण Baryon
Composition 2 up quarks, 1 down quark
Statistics Fermionic
अन्तरक्रिया Gravity, Electromagnetic, Weak, Strong
चिं p, p+
, N+
Antiparticle Antiproton
Theorized William Prout (1815)
लूगु तिथि Ernest Rutherford (1917–1919, named by him, 1920)

१.672621777(74)×10−२७ Template:Val/unitswithlink[१]
९३८.272046(21) Template:Val/unitswithlink[१]

१.007276466812(90) Template:Val/unitswithlink[१]
Mean lifetime >२.1×10२९ Template:Val/units (stable)
Electric charge +१ Template:Val/unitswithlink
१.602176565(35)×10−१९ Template:Val/unitswithlink[१]
Charge radius ०.8775(51) Template:Val/unitswithlink[१]
Electric dipole moment <५.4×10−२४ Template:Val/units
Electric polarizability १.20(6)×10−३ Template:Val/units
Magnetic moment

१.410606743(33)×10−२६ Template:Val/units[१]
१.521032210(12)×10−३ Template:Val/units[१]

२.792847356(23) Template:Val/units[१]
Magnetic polarizability १.9(5)×10−४ Template:Val/units
Spin 12
Isospin 12
Parity +1
Condensed I(JP) = 12(12+)

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


  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.