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Product Energy Distributions

Figure 53-34 Family of curves of the Energy-Distribution product, corresponding to various truncation points. The numbers indicate the truncation point of the Normal distribution, as the number of standard deviations from the peak of the Normal distribution. Figure 53-34 Family of curves of the Energy-Distribution product, corresponding to various truncation points. The numbers indicate the truncation point of the Normal distribution, as the number of standard deviations from the peak of the Normal distribution.
Interpretation of spatial and energy distributions product angular and velocity distributions as a route to the reaction mechanism... [Pg.289]

Table B2.5.3. Product energy distribution for some IR laser chemical reactions. (E ) is the average relative translational energy of fragments, is the average vibrational and rotational energy of polyatomic fragments, and/ is the fraction of the total product energy appearing as translational energy [109],... Table B2.5.3. Product energy distribution for some IR laser chemical reactions. (E ) is the average relative translational energy of fragments, is the average vibrational and rotational energy of polyatomic fragments, and/ is the fraction of the total product energy appearing as translational energy [109],...
Figure B3.3.5. Energy distributions. The probability density is proportional to the product of the density of states and the Boltzmaim factor. Figure B3.3.5. Energy distributions. The probability density is proportional to the product of the density of states and the Boltzmaim factor.
Fig. 2. (a) Energy, E, versus wave vector, k, for free particle-like conduction band and valence band electrons (b) the corresponding density of available electron states, DOS, where Ep is Fermi energy (c) the Fermi-Dirac distribution, ie, the probabiUty P(E) that a state is occupied, where Kis the Boltzmann constant and Tis absolute temperature ia Kelvin. The tails of this distribution are exponential. The product of P(E) and DOS yields the energy distribution... [Pg.344]

The problems of distinguishing H+ produced from H2 by electron impact from the product of dissociative charge transfer reactions between He + and H2 can be studied by determining the kinetic energy distribution in the product H+ (6). The reaction He+ + H2 is exothermic by 6.5 e.v. if the products are atoms or atomic ions. If the reaction is studied with HD substituted for H2, then the maximum kinetic energy that can be deposited in the D + is approximately 2.16 e.v. On the other hand, D + can be produced by electron impact with 5.5 e.v. kinetic energy. If a retarding potential is applied at the repeller in the ion-source of a mass spectrometer, then it is possible to obtain curves related to the kinetic... [Pg.109]

Figure 8. Translational energy distributions of CO(v = 0) after dissociation of H2CO at hv = 30,340.1 cm for the CO product rotational levels (a) Jco = 40, (b) 7co = 28, and (c) Jco = 15. The internal energy of the correlated H2 fragment increases from right to left. Dashed lines are translational energy distributions obtained from the trajectory calculations. Markers indicate H2 vibrational thresholds up to v = 4, and in addition odd rotational levels for v = 5—7. Reprinted from [8] with permission from the American Association for the Advancement of science. Figure 8. Translational energy distributions of CO(v = 0) after dissociation of H2CO at hv = 30,340.1 cm for the CO product rotational levels (a) Jco = 40, (b) 7co = 28, and (c) Jco = 15. The internal energy of the correlated H2 fragment increases from right to left. Dashed lines are translational energy distributions obtained from the trajectory calculations. Markers indicate H2 vibrational thresholds up to v = 4, and in addition odd rotational levels for v = 5—7. Reprinted from [8] with permission from the American Association for the Advancement of science.

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See also in sourсe #XX -- [ Pg.330 ]

See also in sourсe #XX -- [ Pg.334 ]




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