Controlling chemical reactions near absolute zero

Oct 2018
In a new study, a team led by Andreas Osterwalder at EPFL's Institute of Chemical Sciences and Engineering, working with theorists from the University of Toronto, have built an apparatus that allows them to control the orientation and energies of reacting atoms, down to nearly absolute zero. "It's the coldest formation of a chemical bond ever observed in molecular beams," says Osterwalder. A molecular beam is a jet of gas inside a vacuum chamber, frequently used in spectroscopy and studies in fundamental chemistry.

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