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# REDIRECT antiparticle # Particle-antiparticle annihilation
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# and antiparticle
# redirect antiparticle
# The nucleus may β < sup >-</ sup > decay, where a neutron is converted into a proton, an electron and an electron-type antineutrino ( the antiparticle of the neutrino )
# and annihilation
# They are eigenvectors of the annihilation operator:.
# REDIRECT Electron – positron annihilation
# REDIRECT creation and annihilation operators
# REDIRECT Creation and annihilation operators
# REDIRECT Electron – positron annihilation
# REDIRECT Creation and annihilation operators
# The threat of nuclear annihilation actually was a daily concern in the lives of many people in the 1960s and 1970s.
# Refuting their assertion of the impossibility of the annihilation of the human soul.
antiparticle and Particle-antiparticle
Particle-antiparticle pairs can annihilate each other, producing photons ; since the charges of the particle and antiparticle are opposite, total charge is conserved.
antiparticle and annihilation
Furthermore, mixing matter and antimatter can lead to the annihilation of both, in the same way that mixing antiparticles and particles does, thus giving rise to high-energy photons ( gamma rays ) or other particle – antiparticle pairs.
So one has to introduce the charge conjugate antiparticle field, with its own creation and annihilation operators satisfying the relations
Electron – positron annihilation occurs when an electron () and a positron (, the electron's antiparticle ) collide.
However, particle – antiparticle pairs are observed to electrically attract one another, often as the prelude to annihilation.
When a proton encounters its antiparticle, the reaction is not as simple as electron-positron annihilation.
0.627 seconds.