What is a positron?
Submitted by: AdministratorA positron is a positively charged electron. It's an anti-electron - antimatter! The positron has a charge of +1 (just the opposite of the -1 of the electron), and a spin of 1/2 as an electron does. The mass of this elementary particle is about 9.103826 x 10-31 kg.
It was Paul Dirac who first theorized that it may exist back in 1928, and in 1932, Carl D. Anderson discovered and named the positron. How was it done? By allowing cosmic rays to pass through a cloud chamber shielded with lead and set up in a magnetic field, the electron-positron pairs that were sometimes created could be observed. Simple and clever!
A more detailed description and some of the other characteristics of the positron can be found in the Wikipedia article on that subject. A link is provided below.
The same in magnitude, but opposed in sign, than the electron. So +1.6E-19 C
Submitted by: Administrator
It was Paul Dirac who first theorized that it may exist back in 1928, and in 1932, Carl D. Anderson discovered and named the positron. How was it done? By allowing cosmic rays to pass through a cloud chamber shielded with lead and set up in a magnetic field, the electron-positron pairs that were sometimes created could be observed. Simple and clever!
A more detailed description and some of the other characteristics of the positron can be found in the Wikipedia article on that subject. A link is provided below.
The same in magnitude, but opposed in sign, than the electron. So +1.6E-19 C
Submitted by: Administrator
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