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C60+ Reactions with Alkali Metals in an rf Trap
Douglas Cameron, Mordechai Rokni, and Joel Parks

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Summary

  • Formation of LinC60+ clusters
    • Sequence of single atom associations
    • Stable formation for THe < 170 K
    • Kinetics modeling of the pressure dependence:
      • Li bond 1.4 +/- 0.1 eV
      • Vibrational relaxation < 5 cm-1 per collision
    • Cluster abundance determined by formation kinetics
  • Alkali-C60+ charge exchange collisions
    Non-binding collisions for Na, K, Rb, and Cs
    Collision rates proportional to (alpha/mu)1/2
  • Trapped cluster measurements
    • Sensitivity >= 5 ions
    • Mass resolution >= 300 at 80 K
    • Measure slow rates ~1-10 sec-1
    • Relaxation via He collisions:
      • 80 K <= T <= 300 K
      • 104 - 105 collisions in 20 sec

 

Previous Page
Table of Contents

C60+ Reactions with Alkali Metals in an rf Trap
Douglas Cameron, Mordechai Rokni, and Joel Parks

Back to beginning
Table of Contents