Towards state-resolved ultracold chemical reactions of krb molecules
Grimes, David
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https://hdl.handle.net/2142/100683
Description
Title
Towards state-resolved ultracold chemical reactions of krb molecules
Author(s)
Grimes, David
Contributor(s)
Ni, Kang-Kuen
Gheorghe, Andrei
Liu, Yu
Hu, Ming-Guang
Issue Date
2018-06-21
Keyword(s)
Cold and ultracold molecules
Abstract
Chemical reactions at ultralow temperatures can proceed surprisingly efficiently due to their quantum mechanical nature. However, the detailed chemical physics to describe and predict the distribution of final states is still unclear. We will discuss a barrier-less, likely 4-center reaction, 2 KRb → K2 + Rb2, in the temperature regime below 1 µK. Due to the low exothermic energy of this reaction, ∼ 10 cm−1 , we aim to resolve individual product quantum states through ionization detection. Our approach combines the physical chemistry techniques of REMPI spectroscopy and velocity-map imaging for ion and quantum state detection with AMO physics techniques for preparation of the ultracold molecular reagents.
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