प्रोटोन
(Redirected from Proton)
प्रोटोन धाःगु एटमया न्युक्लियसय् दैगु छगू पोजिटिभली चार्ज्ड सबएटमिक पार्टिकल ख।
 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) |
| Mass | 1.672621777(74)×10−27 kg[१] 1.007276466812(90) u[१] |
| Mean lifetime | >2.1×1029 years (stable) |
| Electric charge | +1 e 1.602176565(35)×10−19 C[१] |
| Charge radius | 0.8775(51) fm[१] |
| Electric dipole moment | <5.4×10−24 e·cm |
| Electric polarizability | 1.20(6)×10−3 fm3 |
| Magnetic moment | 1.410606743(33)×10−26 J·T−1[१] 2.792847356(23) μN[१] |
| Magnetic polarizability | 1.9(5)×10−4 fm3 |
| Spin | 1⁄2 |
| Isospin | 1⁄2 |
| Parity | +1 |
| Condensed | I(JP) = 1⁄2(1⁄2+) |
लिधंसा
सम्पादन- ↑ 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.