 The quark structure of the proton. (The color assignment of individual quarks is not important, only that all three colors are present.) |
वर्गीकरण |
Baryon |
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Composition |
2 up quarks, 1 down quark |
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Statistics |
Fermionic |
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अन्तरक्रिया |
Gravity, Electromagnetic, Weak, Strong |
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चिं |
p, p+ , N+
|
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Antiparticle |
Antiproton |
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Theorized |
William Prout (1815) |
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लूगु तिथि |
Ernest Rutherford (1917–1919, named by him, 1920) |
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Mass |
१.672621777(74)×10−२७ Template:Val/unitswithlink[१] ९३८.272046(21) Template:Val/unitswithlink[१]
१.007276466812(90) Template:Val/unitswithlink[१] |
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Mean lifetime |
>२.1×10२९ Template:Val/units (stable) |
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Electric charge |
+१ Template:Val/unitswithlink १.602176565(35)×10−१९ Template:Val/unitswithlink[१] |
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Charge radius |
०.8775(51) Template:Val/unitswithlink[१] |
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Electric dipole moment |
<५.4×10−२४ Template:Val/units |
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Electric polarizability |
१.20(6)×10−३ Template:Val/units |
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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] |
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Magnetic polarizability |
१.9(5)×10−४ Template:Val/units |
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Spin |
1⁄2 |
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Isospin |
1⁄2 |
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Parity |
+1 |
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Condensed |
I(JP) = 1⁄2(1⁄2+) |
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