Antiparticles
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Antiparticles have the same mass, the same average
life and the same spin as the corresponding particles, but opposite
and equal baryon and lepton numbers. Antiparticles and particles are
either both electrically neutral or they have an equal electric charge,
but opposite signs.
| |
Particle Proton
|
Antiparticle Antiproton
|
Mass |
1.6726·10-27 kg |
1.6726·10-27 kg |
Average life time |
Stable |
Stable |
Spin |
1/2 h |
1/2 h |
Baryon number |
+1 |
-1 |
Lepton number |
0 |
0 |
Electric charge |
+1.6022·10-19 C |
-1.6022·10-19 C |
Key data for the proton/antiproton particle/antiparticle
pair
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11 - 15 March 2018
Munich, Germany
30 September - 04 October 2018
Prague, Czech Republic |
