Using a new method, physicists at the Heidelberg Max Planck Institute for Nuclear Physics have investigated the ultrafast fragmentation of hydrogen molecules in intense laser fields in detail. They used the rotation of the molecule triggered by a laser pulse as an 'internal clock' to measure the timing of the reaction that takes place in a second laser pulse in two steps. Such a 'rotational clock' is a general concept applicable to sequential fragmentation processes in other molecules.
from General Physics News - Science News, Physics News, Physics, Material Sciences, Science https://ift.tt/385Cqg8
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