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Elastic scattering of slow electrons by n-pentanol alcohol

  • Eliane M. de Oliveira
  • Márcio T. do N. Varella
  • Márcio H.F. Bettega
  • Marco A.P. Lima
Regular Article
Part of the following topical collections:
  1. Topical issue: Electron and Positron Induced Processes

Abstract

We report elastic integral (ICS), differential (DCS) and momentum transfer cross sections (MTCS) for low-energy electron scattering by n-pentanol alcohol in the gas phase. The Schwinger multichannel method implemented with pseudopotentials was employed in the calculations. The DCSs were computed for energies from 1 to 50 eV and the ICS and MTCS from 1 to 100 eV. Due to the significant value of the electric dipole moment, the DCSs are dominated by strong forward scattering. Despite this fact, the DCS around 10 eV displays a behavior related to a f-wave scattering pattern at intermediate angles which may be associated with shape resonances. This result is consistent with the ICS and the MTCS since they show a pronounced peak near this energy. For energies below 1 eV, the MTCS obtained in the static-exchange plus polarization approximation does not increase, as expected for polar molecules, suggesting that a Ramsauer-Townsend minimum could be present. This finding motivated us to revisit the previously studied methanol, ethanol, n-propanol and n-butanol molecules and to perform new calculations for impact energies below 1 eV (not addressed before). With the inclusion of polarization effects, the MTCS for the five alcohols suggest a Ramsauer-Townsend minimum coming from the negative to the positive scattering energies. To the best of our knowledge, there are neither experimental nor calculated cross sections for comparison with the present results.

Keywords

Polarization Approximation Momentum Transfer Cross Section Scatter Wave Function Propyl Ether Strong Forward Scattering 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

References

  1. 1.
    L. Zhao, L. Ye, F. Zhang, L. Zhang, J. Phys. Chem. A 116, 9238 (2012) CrossRefGoogle Scholar
  2. 2.
    K.A. Heufer, S.M. Sarathy, H.J. Curran, A.C. Davis, C.K. Westbrook, W.J. Pitz, Energy Fuels 26, 6678 (2012) Google Scholar
  3. 3.
    C. Tang, L. Wei, X. Man, J. Zhang, Z. Huang, C.K. Law, Combust. Flame 160, 520 (2013) CrossRefGoogle Scholar
  4. 4.
    T. Tsujimura, W.J. Pitz, F. Gillespie, H.J. Curran, B.W. Weber, Y. Zhang, C.-J. Sung, Energy Fuels 26, 4871 (2012) CrossRefGoogle Scholar
  5. 5.
    M.A. Khakoo, J. Blumer, K. Keane, C. Campbell, H. Silva, M.C.A. Lopes, C. Winstead, V. McKoy, R.F. da Costa, L.G. Ferreira, M.A.P. Lima, M.H.F. Bettega, Phys. Rev. A 77, 042705 (2008) ADSCrossRefGoogle Scholar
  6. 6.
    M.A. Khakoo, J. Muse, H. Silva, M.C.A. Lopes, C. Winstead, V. McKoy, E.M. de Oliveira, R.F. da Costa, M.T. do N. Varella, M.H.F. Bettega, M.A.P. Lima, Phys. Rev. A 78, 062714 (2008) ADSCrossRefGoogle Scholar
  7. 7.
    M.H.F. Bettega, C. Winstead, V. McKoy, Phys. Rev. A 82, 062709 (2010) ADSCrossRefGoogle Scholar
  8. 8.
    M.H.F. Bettega, C. Winstead, V. McKoy, A. Jo, A. Gauf, J. Tanner, L.R. Hargreaves, M.A. Khakoo, Phys. Rev. A 84, 042702 (2011) ADSCrossRefGoogle Scholar
  9. 9.
    K. Takatsuka, V. McKoy, Phys. Rev. A 24, 2473 (1981) ADSCrossRefMathSciNetGoogle Scholar
  10. 10.
    K. Takatsuka, V. McKoy, Phys. Rev. A 30, 1734 (1984) ADSCrossRefGoogle Scholar
  11. 11.
    M.A.P. Lima, V. McKoy, Phys. Rev. A 38, 501 (1988) ADSCrossRefGoogle Scholar
  12. 12.
    M.A.P. Lima, L.M. Brescansin, A.J.R. da Silva, C.L. Winstead, V. McKoy, Phys. Rev. A 41, 327 (1990) ADSCrossRefGoogle Scholar
  13. 13.
    M.H.F. Bettega, L.G. Ferreira, M.A.P. Lima, Phys. Rev. A 47, 1111 (1993) ADSCrossRefGoogle Scholar
  14. 14.
    R.F. da Costa, F.J. da Paixão, M.A.P. Lima, J. Phys. B 37, L129 (2004) ADSCrossRefGoogle Scholar
  15. 15.
    J.S. dos Santos, R.F. da Costa, M.T. do N. Varella, J. Chem. Phys. 136, 084307 (2012) ADSCrossRefGoogle Scholar
  16. 16.
    C.W. Bauschlicher, Jr., J. Chem. Phys. 72, 880 (1980) ADSCrossRefGoogle Scholar
  17. 17.
    G.B. Bachelet, D.R. Hamann, M. Schlüter, Phys. Rev. B 26, 4199 (1982) ADSCrossRefGoogle Scholar
  18. 18.
    M.W. Schmidt, K.K. Baldridge, J.A. Boatz, S.T. Elbert, M.S. Gordon, J.H. Jensen, S. Koseki, N. Matsunaga, K.A. Nguyen, S.J. Su, T.L. Windus, M. Dupuis, J.A. Montgomery, J. Comput. Chem. 14, 1347 (1993) CrossRefGoogle Scholar
  19. 19.
    A. D’Aprano, D.I. Donato, V. Agrigento, J. Solution Chem. 10, 673 (1981) CrossRefGoogle Scholar
  20. 20.
    CRC Handbook of Chemistry and Physics, 79th edn., edited by D.R. Lide (CRC, Boca Raton, 1998) Google Scholar
  21. 21.
    T.N. Rescigno, B.I. Schneider, Phys. Rev. A 45, 2894 (1992) ADSCrossRefGoogle Scholar
  22. 22.
    E.M. de Oliveira, R.F. da Costa, S.d’A. Sanchez, A.P.P. Natalense, M.H.F. Bettega, M.A.P. Lima, M.T. do N. Varella, Phys. Chem. Chem. Phys. 15, 1682 (2013) CrossRefGoogle Scholar
  23. 23.
    F.H. Read, J. Phys. B 1, 893 (1968) ADSCrossRefGoogle Scholar
  24. 24.
    M.M. Fujimoto, W.J. Brigg, J. Tennyson, Eur. Phys. J. D 66, 204 (2012) ADSCrossRefGoogle Scholar
  25. 25.
    M.A.P. Lima, K. Watari, V. McKoy, Phys. Rev. A 39, 4312 (1989) ADSCrossRefGoogle Scholar
  26. 26.
    B.M. Nestmann, K. Pfingst, S.D. Peyerimhoff, J. Phys. B 27, 2297 (1994) ADSCrossRefGoogle Scholar

Copyright information

© EDP Sciences, SIF, Springer-Verlag Berlin Heidelberg 2014

Authors and Affiliations

  • Eliane M. de Oliveira
    • 1
  • Márcio T. do N. Varella
    • 2
  • Márcio H.F. Bettega
    • 3
  • Marco A.P. Lima
    • 1
  1. 1.Instituto de Física “Gleb Wataghin”, Universidade Estadual de CampinasCampinasBrazil
  2. 2.Instituto de Física, Universidade de São PauloSão PauloBrazil
  3. 3.Departamento de Física, Universidade Federal do ParanáCuritibaBrazil

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