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Mechanism and control of the reaction at low and ultralow collision energies
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10.1063/1.2212418
/content/aip/journal/jcp/125/13/10.1063/1.2212418
http://aip.metastore.ingenta.com/content/aip/journal/jcp/125/13/10.1063/1.2212418
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Collision energy dependence of the integral cross section of the reaction summed over product states and in the absence of reactant polarization. The points are the calculated results; the line simply joins them.

Image of FIG. 2.
FIG. 2.

Opacity function of the reaction at collision energies between 1 and and in the absence of reactant polarization.

Image of FIG. 3.
FIG. 3.

Opacity function of the reaction at collision energies between 1 and , for (top) or (bottom) and in the absence of reactant polarization.

Image of FIG. 4.
FIG. 4.

(Color online) Product rotational state distributions associated with the reaction at and various reactant polarizations. The stereodynamical portraits on the top show the intrinsic polarizations favored by reactions into selected product rotational states. The extrinsic reactant polarizations used for the calculation of the product state distributions are determined by the value and are explicitly shown on Fig. 5. (“Iso” denotes extrinsically unpolarized, isotropically distributed reactants; “mag” represents the magic angle, 54.74°.)

Image of FIG. 5.
FIG. 5.

(Color online) Extrinsic stereodynamical portraits associated with various values of the angle. Preparation of molecules thus polarized is “experimental” and external to the reaction; it does not depend on the reaction dynamics. (“Iso” and “mag” as in Fig. 4.)

Image of FIG. 6.
FIG. 6.

(Color online) As Fig. 4, but for reaction into .

Image of FIG. 7.
FIG. 7.

(Color online) Triple (angle-velocity) differential cross section of the reaction at for selected extrinsic reactant polarizations; the various rings correspond to different rovibrational states of the HF product and their radius gives the products recoil energy. “F” and “B” denote forward and backward scattering angles, and 180°. The extrinsic reactant polarizations are determined by the and values. (“Iso” and “mag” as in Fig. 4.)

Image of FIG. 8.
FIG. 8.

(Color online) Product rotational state distributions associated with the reaction at and various extrinsic reactant polarizations. The curves obtained with the different polarization conditions are practically indistinguishable. (Extrinsic reactant polarizations as in Fig. 4.)

Image of FIG. 9.
FIG. 9.

(Color online) As Fig. 8, but for reaction into .

Image of FIG. 10.
FIG. 10.

(Color online) As Fig. 7, but for reaction at .

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/content/aip/journal/jcp/125/13/10.1063/1.2212418
2006-10-02
2014-04-23
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Mechanism and control of the F+H2 reaction at low and ultralow collision energies
http://aip.metastore.ingenta.com/content/aip/journal/jcp/125/13/10.1063/1.2212418
10.1063/1.2212418
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