| p |
| p |
| q |
| p |
| p |
| p |
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| Q:
energy defect |
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| : Scattering angle (Lab frame) |
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| Pr|| , Pr : parallel
and perpendicular recoil momentum components |
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| PP , PP’ :
projectile momentum before and after the collision |
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| Vp: projectile velocity |
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| nc: number of transferred electrons |
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