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Investigation of molecular penetration depth variation with SMBI fluxes |
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| Affiliation: | 1. Southwestern Institute of Physics, Chengdu 610041, China; 2. School of Physics and Optoelectronic Engineering, Dalian University of Technology, Dalian 116023, China; 3. School of Physics and Chemistry, Xihua University, Chengdu 610041, China; 4. Institute of Atomic and Molecular Physics, Sichuan University, Chengdu 610041, China |
| Abstract: | We study the molecular penetration depth variation with the SMBI fluxes.The molecular transport process and the penetration depth during SMBI with various injection velocities and densities are simulated and compared.It is found that the penetration depth of molecules strongly depends on the radial convective transport of SMBI and it increases with the increase of the injection velocity.The penetration depth does not vary much once the SMBI injection density is larger than a critical value due to the dramatic increase of the dissociation rate on the fueling path.An effective way to improve the SMBI penetration depth has been predicted,which is SMBI with a large radial injection velocity and a lower molecule injection density than the critical density. |
| Keywords: | plasma fueling SMBI flux neutral transport penetration depth |
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