Isotope effect for associative detachment:H(D)−+H(D)→H2( | Zendy

Kenneth A. Miller | Zendy; H. Bruhns | Zendy; M. Čı́žek | Zendy; Jiří Eliášek | Zendy; R. CabreraTrujillo | Zendy; Holger Kreckel | Zendy; A. P. O’Connor | Zendy; X. Urbain | Zendy; D. W. Savin | Zendy

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Isotope effect for associative detachment:H(D)−+H(D)→H2(

Author(s) -

Kenneth A. Miller,

H. Bruhns,

M. Čı́žek,

Jiří Eliášek,

R. CabreraTrujillo,

Holger Kreckel,

A. P. O’Connor,

X. Urbain,

D. W. Savin

Publication year - 2012

Publication title -

physical review a

Language(s) - English

Resource type - Journals

eISSN - 1094-1622

pISSN - 1050-2947

DOI - 10.1103/physreva.86.032714

Subject(s) - physics , diatomic molecule , rotational–vibrational spectroscopy , kinetic isotope effect , isotope , atomic physics , molecule , deuterium , excited state , nuclear physics , quantum mechanics

We report experimental and theoretical results for associative detachment (AD) of D− + D → D2 + e−. We compare these data to our previously published results for H− + H → H2 + e−. The measurements show no significant isotope effect in the total cross section. This is to be contrasted with previously published experimental and theoreticalwork which has found a significant isotope effect in diatomic systems for partialADcross sections, i.e., as a function of the rotational and vibrational levels of the final molecule formed. Our work implies that though the rovibrational distribution of flux is different for AD of H− + H andD− + D, the total flux for these two systems is essentially the same when summed over all possible final channels

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