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Probing Feshbach resonances in : Dynamical effect of single quantum -rotation
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View: Figures


Image of FIG. 1.
FIG. 1.

TOF spectra of the atom product from the reactions: (a) ; (b) ; (a) ; (b) . The two laboratory angles correspond roughly to the product at the backward and forward scattering directions in the CM frame at both collision energies. A dramatic effect of reagent rotational excitation on the reaction dynamics is clearly shown in these spectra.

Image of FIG. 2.
FIG. 2.

The three dimensional DCS contour plots for the reaction at the collision energies of , : (a) experimental DCS at , (b) theoretical DCS at , (c) experimental DCS at , (d) theoretical DCS at .

Image of FIG. 3.
FIG. 3.

Partial wave contributions to the DCS for the reaction at the collision energies of (a) and (b). (a) All partial waves contribute via the continuum tunneling mechanism at ; (b) At , the continuum tunneling mechanism contributes to the reaction in the partial waves, the excited resonance in the partial waves, and the ground resonance in the partial waves. Clearly, the forward peak is attributed to the two dynamical resonances.

Image of FIG. 4.
FIG. 4.

The total forward scattering signal of the product from the reaction in the low collision energy region. The solid square are the experimental data, while the solid curve is the result of full quantum scattering calculations.


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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Probing Feshbach resonances in F+H2(j=1)→HF+H: Dynamical effect of single quantum H2-rotation