query: What is the process of a photon transforming into an electron and positron?
positive_passages.docid: 150813
positive_passages.text: Why does a photon colliding with an atomic nucleus cause pair production?
negative_passages.docid: 33172
negative_passages.text: Where do electrons in electricity come from?
negative_passages.docid: 14523
negative_passages.text: How does an electron absorb or emit light?
negative_passages.docid: 152586
negative_passages.text: Does a photon have an amplitude?
negative_passages.docid: 68726
negative_passages.text: Does photon have size measurement because of its particle nature
negative_passages.docid: 20037
negative_passages.text: Do photons have acceleration?
negative_passages.docid: 144664
negative_passages.text: Acceleration of electric charges and radiation
negative_passages.docid: 13605
negative_passages.text: EM wave function & photon wavefunction
negative_passages.docid: 70682
negative_passages.text: Mechanism of pair production and annihilation of matter
negative_passages.docid: 51802
negative_passages.text: What is the frequency of a photon?
negative_passages.docid: 2613
negative_passages.text: Difference between spin and polarization of a photon
negative_passages.docid: 100430
negative_passages.text: How does electron move around nucleus?
negative_passages.docid: 76757
negative_passages.text: How do photons know they can or can't excite electrons in atoms?
negative_passages.docid: 118021
negative_passages.text: How do you "store" a photon?
negative_passages.docid: 86156
negative_passages.text: Do photons have a duration?
negative_passages.docid: 15767
negative_passages.text: Can a free particle absorb/emit photons?
negative_passages.docid: 14810
negative_passages.text: Creation of entangled electrons