positron-annihilation energy

基本解釋

One signature of positron-electron annihilation is gamma rays carrying 511 thousand electron-volts (keV) of energy.
電子-正電子湮滅的一個(gè)信號(hào)就是攜帶511keV能量的伽瑪射線。
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Optimum location of nitrogen and vanadium in the V-N-vacancy complex is determined, according to the result of the positron annihilation lifetime experiment and minimizing the total energy.
根據(jù)正電子湮沒(méi)壽命實(shí)驗(yàn)的結(jié)果和總能量極小原理，確定了V和N在V-N-空位復(fù)合體中的最佳占據(jù)位置。
One way to create such short bursts of gamma rays is through the collision -- and subsequent annihilation, as the mass of those particles converts into energy -- of an electron and a positron.
制造伽馬射線短脈沖的一種方法，是電子與正電子的碰撞——之后的湮滅，使粒子的質(zhì)量轉(zhuǎn)化為能量。