英语词汇“pair production”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	pair production
释义	pair production noun [mass noun] Physics The conversion of a radiation quantum into an electron and a positron.The fact that pair production always results in equal numbers of particles and antiparticles poses a cosmological question: why is antimatter so rare?... Pair production is an important photon interaction process at high energies. Several experimental arrangements have been used to study pair production in targets using the photons emitted by radioactive sources.
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