electron positron pair

基本解釋

An experiment in the late '90s managed to generate from a vacuum gamma photons and an occasional electron-positron pair.
上世紀九十年代下旬的一次實驗試圖從真空產(chǎn)生伽馬光子以及偶電子-正電子對。
In this case, the telltale signal is gamma-rays at energies of 511,000 electron volts -- evidence that an electron/positron pair has annihilated.
在這種情況下，特征信號是能量為0.511MeV的伽馬射線，這是一對電子-正電子對湮滅的證據(jù)。
The electron-positron pair may survive without recombining .
電子-正電子偶可以存在下來而不再復合。
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