Cold N + NH Collisions in a Magnetic Trap

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Cold N + NH Collisions in a Magnetic Trap

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Title: Cold N + NH Collisions in a Magnetic Trap
Author: Hummon, Matthew T.; Tscherbul, Timur V.; Klos, Jacek; Lu, Hsin-I; Tsikata, Edem; Campbell, Wesley C.; Dalgarno, Alexander; Doyle, John M.

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Citation: Hummon, Matthew T., Timur V. Tscherbul, Jacek Klos, Hsin-I Lu, Edem Tsikata, Wesley C. Campbell, Alexander Dalgarno, and John M. Doyle. 2011. Cold N + NH collisions in a magnetic trap. Physical Review Letters 106(5): 053201.
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Abstract: We present an experimental and theoretical study of atom-molecule collisions in a mixture of cold, trapped N atoms and NH molecules at a temperature of ∼600  mK. We measure a small N + NH trap loss rate coefficient of \(\kappa_{loss^{(N+NH)}}\) = 9(5)(3)×10\(^{-13}\)  cm\(^3\) s\(^{-1}\). Accurate quantum scattering calculations based on ab initio interaction potentials are in agreement with experiment and indicate the magnetic dipole interaction to be the dominant loss mechanism. Our theory further indicates the ratio of N + NH elastic-to-inelastic collisions remains large (>100) into the mK regime.
Published Version: 10.1103/PhysRevLett.106.053201
Terms of Use: This article is made available under the terms and conditions applicable to Other Posted Material, as set forth at http://nrs.harvard.edu/urn-3:HUL.InstRepos:dash.current.terms-of-use#LAA
Citable link to this page: http://nrs.harvard.edu/urn-3:HUL.InstRepos:5168868

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  • FAS Scholarly Articles [6948]
    Peer reviewed scholarly articles from the Faculty of Arts and Sciences of Harvard University
 
 

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