用双粒子电离探测大质量多粒子束流
Detection of massive multi-particle beams by two-particle ionization
摘要：
多光子吸收是一种众所周知的现象。用原子激光器，类似的过程可以发生在大质量粒子上，即原子或分子通过与各种粒子的连续相互作用而电离。这一过程将导致入射多粒子束的多粒子探测事件。我们表明，两个粒子探测将引入一个修正（正比于波函数模的四次方），以通常的一个粒子探测概率（仅正比于二次方）。
英文摘要：
Multi-photon absorption is a well-known phenomenon. With atom lasers a similar process could take place for massive particles, the ionization of an atom or molecule by the successive interaction with various particles. This process would lead to multi-particle detection events for incident multi-particle beams. We show that two-particle detections would introduce a correction (proportional to the fourth power of the wavefunction modulus) to the usual one-particle detection probability (only proportional to the second power).
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