All Figures

$\begin{figure} \par\includegraphics[height=6.9cm,width=7.65cm,clip]{aa4092fig1.ps} \end{figure}$ Figure 1: Temporal evolution of the distribution function up to $\tilde{t}=4000$ (1.85 Gyr) after acceleration is switched on. The initial distribution is Maxwellian.
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In the text

$\begin{figure} \par\includegraphics[height=6.9cm,width=7.65cm,clip]{aa4092fig2.ps} \end{figure}$ Figure 2: Temporal evolution of the distribution function up to $\tilde{t}=4000$ (1.85 Gyr) after acceleration is switched off. The solution (18) of Eq. (2) was taken as an initial distribution function.
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In the text

$\begin{figure} \par\includegraphics[height=7.6cm,width=8.45cm,clip]{aa4092fig3.eps} \end{figure}$ Figure 3: The lifetime of the electron spectrum (18) derived from Eq. (17) is shown by the solid curve. The lifetime of a single electron determined by ionization loss is shown by the dashed-dotted curve. Here the dimension frequency of Coulomb collisions of thermal particles $\nu = 7.2$ $\times$ 10^-14 s^-1 for the Coma parameters T=8.2 keV and n=1.23 $\times$ 10^-4 cm^-3.
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In the text

$\begin{figure} \par\includegraphics[height=7.5cm,width=8.5cm,clip]{aa4092fig4.eps}\end{figure}$ Figure 4: The rate at which energy must be supplied to the 50-keV electrons generating a fixed bremsstrahlung X-ray flux as a function of temperature of background gas, normalized to $\Phi _0$ , the rate at which energy must be supplied if the emitting electrons are non-thermal. For Coma $\Phi _0\simeq 10^{49}$ erg s^-1 (Petrosian 2001).
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In the text

$\begin{figure} \par\includegraphics[height=7.2cm,width=8.6cm,clip]{aa4092fig5.eps} \end{figure}$ Figure 5: Bremsstrahlung X-ray flux from the Coma cluster produced by subrelativistic electrons with a cut-off, E=110 keV, T=8.25 keV. The flux measured with Beppo-SAX was taken from Fusco-Femiano et al. (1999).
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In the text

$\begin{figure} \par\includegraphics[height=7.5cm,width=8.5cm,clip]{aa4092fig6.eps} \end{figure}$ Figure 6: The dimensionless momentum diffusion coefficient $\tilde{D}(p)=D(p)/(\nu mkT)$ is shown as a function of the dimensionless momentum $\tilde{p}=p/\sqrt{mkT}$ .
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In the text

$\begin{figure} \par\includegraphics[height=7.4cm,width=8.6cm,clip]{aa4092fig7.eps} \end{figure}$ Figure 7: Spectrum of subrelativistic electrons with cut-off, ${\bar p}=110$ keV, and T=8.25 keV derived from the X-ray flux from the Coma cluster (solid curve). The thermal spectrum is shown by the dashed-dotted curve.
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In the text

$\begin{figure} \par\includegraphics[height=7.2cm,width=8.5cm,clip]{aa4092fig8.eps} \end{figure}$ Figure 8: The spectrum of subrelativistic electrons (dashed-dotted curve) and protons (solid curve) in the Coma cluster halo are shown as a function of the particle energy.
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In the text

$\begin{figure} \par\includegraphics[height=7.5cm,width=8.05cm,clip]{aa4092fig9.eps} \end{figure}$ Figure 9: The dimensionless distribution function for subrelativistic electrons with cut-off ${\bar p}=110$ keV and T=8.25 keV derived from the X-ray flux from the Coma cluster (solid curve). The pure thermal spectrum is shown by the dashed-dotted curve.
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In the text

$\begin{figure} \par\includegraphics[height=7.6cm,width=8.6cm,clip]{aa4092fig10.eps} \end{figure}$ Figure 10: The Sunyaev-Zeldovich effect produced by thermal electrons in the Coma cluster region, with temperature T=8.25 keV and optical depth $\tau =5.3$ $\times$ 10^-3 (dashed curve). The solid curve shows the Sunyaev-Zeldovich effect due to thermal electrons from the Coma halo plus thermal and quasi-thermal electrons from regions of particle acceleration which occupy a small fraction of the Coma halo and have optical depth 9 $\times$ 10^-4).
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In the text

$\begin{figure} \par\includegraphics[height=7.6cm,width=6.3cm,clip]{aa4092fig11.eps} \end{figure}$ Figure 11: Difference between the pure thermal and the total (thermal plus quasi-thermal) Sunyaev-Zeldovich effect.
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In the text

$\begin{figure} \par\includegraphics[height=6.9cm,width=7.65cm,clip]{aa4092fig1.ps} \end{figure}$	Figure 1: Temporal evolution of the distribution function up to $\tilde{t}=4000$ (1.85 Gyr) after acceleration is switched on. The initial distribution is Maxwellian.
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$\begin{figure} \par\includegraphics[height=6.9cm,width=7.65cm,clip]{aa4092fig2.ps} \end{figure}$	Figure 2: Temporal evolution of the distribution function up to $\tilde{t}=4000$ (1.85 Gyr) after acceleration is switched off. The solution (18) of Eq. (2) was taken as an initial distribution function.
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$\begin{figure} \par\includegraphics[height=7.6cm,width=8.45cm,clip]{aa4092fig3.eps} \end{figure}$	Figure 3: The lifetime of the electron spectrum (18) derived from Eq. (17) is shown by the solid curve. The lifetime of a single electron determined by ionization loss is shown by the dashed-dotted curve. Here the dimension frequency of Coulomb collisions of thermal particles $\nu = 7.2$ $\times$ 10^-14 s^-1 for the Coma parameters T=8.2 keV and n=1.23 $\times$ 10^-4 cm^-3.
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$\begin{figure} \par\includegraphics[height=7.5cm,width=8.5cm,clip]{aa4092fig4.eps}\end{figure}$	Figure 4: The rate at which energy must be supplied to the 50-keV electrons generating a fixed bremsstrahlung X-ray flux as a function of temperature of background gas, normalized to $\Phi _0$ , the rate at which energy must be supplied if the emitting electrons are non-thermal. For Coma $\Phi _0\simeq 10^{49}$ erg s^-1 (Petrosian 2001).
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$\begin{figure} \par\includegraphics[height=7.2cm,width=8.6cm,clip]{aa4092fig5.eps} \end{figure}$	Figure 5: Bremsstrahlung X-ray flux from the Coma cluster produced by subrelativistic electrons with a cut-off, E=110 keV, T=8.25 keV. The flux measured with Beppo-SAX was taken from Fusco-Femiano et al. (1999).
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$\begin{figure} \par\includegraphics[height=7.5cm,width=8.5cm,clip]{aa4092fig6.eps} \end{figure}$	Figure 6: The dimensionless momentum diffusion coefficient $\tilde{D}(p)=D(p)/(\nu mkT)$ is shown as a function of the dimensionless momentum $\tilde{p}=p/\sqrt{mkT}$ .
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$\begin{figure} \par\includegraphics[height=7.4cm,width=8.6cm,clip]{aa4092fig7.eps} \end{figure}$	Figure 7: Spectrum of subrelativistic electrons with cut-off, ${\bar p}=110$ keV, and T=8.25 keV derived from the X-ray flux from the Coma cluster (solid curve). The thermal spectrum is shown by the dashed-dotted curve.
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$\begin{figure} \par\includegraphics[height=7.2cm,width=8.5cm,clip]{aa4092fig8.eps} \end{figure}$	Figure 8: The spectrum of subrelativistic electrons (dashed-dotted curve) and protons (solid curve) in the Coma cluster halo are shown as a function of the particle energy.
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$\begin{figure} \par\includegraphics[height=7.5cm,width=8.05cm,clip]{aa4092fig9.eps} \end{figure}$	Figure 9: The dimensionless distribution function for subrelativistic electrons with cut-off ${\bar p}=110$ keV and T=8.25 keV derived from the X-ray flux from the Coma cluster (solid curve). The pure thermal spectrum is shown by the dashed-dotted curve.
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$\begin{figure} \par\includegraphics[height=7.6cm,width=6.3cm,clip]{aa4092fig11.eps} \end{figure}$	Figure 11: Difference between the pure thermal and the total (thermal plus quasi-thermal) Sunyaev-Zeldovich effect.
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