Axial channeling of high energy protons in carbon nanotubes

Details Axial channeling of high energy protons in carbon nanotubes Axial channeling of high energy protons in carbon nanotubes

Jul 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008pobeo..84..173t&link_type=abstract

Publications of the Astronomical Observatory of Belgrade, vol. 84, pp. 173-176

Astronomy and Astrophysics

Astronomy

Scientific paper

We have studied theoretically the angular distributions of 1 GeV protons channeled through the long (10, 0) single-wall carbon nanotubes. The nanotube length is varied between 10 and 80 mu m. The angular distribution of channeled protons is generated by the computer simulation method using the numerical solution of the proton equations of motion in the transverse plane. The analysis shows that for the nanotube length less then 30 mu m the transverse geometrical structure of the nanotubes could be deduced from the angular distribution. For the length over 30 mu m, the angular distribution is characterized only by the concentric circular ridges. The number of ridges increases and the distance between them decreases as the nanotube length increases. For the nanotube length of 80 mu m, the circular ridges are no longer visible and the angular distribution becomes equilibrated.

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