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Elastic electron scattering from krypton at backward angles
Hyuck Cho,R. J. Gulley,S. J. Buckman 한국물리학회 2003 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol.42 No.1
Absolute differential cross sections for elastic scattering of electrons from krypton have been measured at two incident energies where discrepancies between previous measurements had been large. The magnetic angle-changing device of Read and co-workers has been used to extend the present measurements to backward angles up to 180. The measurements reveal some differences with previous calculations at backward angles, but the resultant integral and momentum transfer cross-sections resolve some of the discrepancies with the previous measurements.
Cross section data sets for electron collisions with H2, O2, CO, CO2, N2O and H2O
Anzai, K.,Kato, H.,Hoshino, M.,Tanaka, H.,Itikawa, Y.,Campbell, L.,Brunger, M. J.,Buckman, S. J.,Cho, H.,Blanco, F.,Garcia, G.,Limã,o-Vieira, P.,Ingó,lfsson, O. Springer-Verlag 2012 European Physical Journal D Vol.66 No.2
Pyun, Haeuk,Kim, Dae-Chul,Kim, Yonghyun,Choi, Young-Rock,Park, Yeunsoo,Song, Mi-Young,Kim, Young-Woo,Yoon, Jung-Sik,You, Shin-Jae,Cho, Hyuck,Buckman, S J,Sullivan, J P Institute of Physics Publishing Ltd. 2019 Journal of Physics B: Atomic, Molecular and Optica Vol.52 No.19
<P>A new electron scattering apparatus is developed based on concepts from the positron system built by Surko <I>et al</I> (1988). In an electron version of the system, the electron beam is provided by a cathode and the rest of the system is correspondingly modified to a simpler system. The system was tested by measuring electron scattering from argon to verify its operation. N<SUB>2</SUB>O is important in the atmosphere and plasma processes, and in the intermediate energy region from 5 eV to 50 eV, there are two previous results for the electron scattering total cross-section which are in disagreement. We present here a new measurement for the total electron cross-section of N<SUB>2</SUB>O, helping to resolve this disagreement.</P>