![Particles, Antiparticles & Photons – electron, positron, proton, antiproton, neutron, antineutron, neutrino, antineutrino, pair production, annihilation Particles, Antiparticles & Photons – electron, positron, proton, antiproton, neutron, antineutron, neutrino, antineutrino, pair production, annihilation](http://physicsnet.co.uk/wp-content/uploads/2015/01/particle-table-new.jpg)
Particles, Antiparticles & Photons – electron, positron, proton, antiproton, neutron, antineutron, neutrino, antineutrino, pair production, annihilation
When a particle and an antiparticle are spontaneously created and annihilated, what form of energy is released in the annihilation? - Quora
![The vacancy created due to the absence of an electron in the valence band of a semiconductor is called a . The vacancy created due to the absence of an electron in the valence band of a semiconductor is called a .](https://dwes9vv9u0550.cloudfront.net/images/1297158/deb90d4b-6a4c-4052-b842-8ed385e2e1db.jpg)
The vacancy created due to the absence of an electron in the valence band of a semiconductor is called a .
![Antiparticles travelling backwards in time? Feynman Diagram representing electron positron pair QED - YouTube Antiparticles travelling backwards in time? Feynman Diagram representing electron positron pair QED - YouTube](https://i.ytimg.com/vi/g8NX_58_rCM/maxresdefault.jpg)