Publicações


Trabalhos Publicados (Periódicos):

  1.  Low-energy electron collisions with thiophene.
    R. F. da Costa, M. T. do N. Varella, M. A. P. Lima e M. H. F. Bettega,
    J. Chem. Phys. 138, 194306 (2013).
  2. Electron collisions with the HCOOH...(H2O)n complexes (n=1, 2)  in liquid phase: the influence of microsolvation on the pi* resonance of formic acid.
    T. C. Freitas, K. Coutinho, M. T. do N. Varella, M. A. P. Lima, S. Canuto e M. H. F. Bettega,
    J. Chem. Phys. 138, 174307 (2013).
  3. Cross sections for positron scattering from ethane.
    L. Chiari, A. Zecca,  E. Trainotti, M. H. F. Bettega, S. d'A. Sanchez, M. T. do N Varella, M. A. P. Lima e M. J. Brunger,
    Phys. Rev. A 87, 032707 (2013).
  4. Low-energy electron scattering by cellulose and hemicellulose components.
    E. M. de Oliveira, R. F. da Costa, S. d'A Sanchez, A. P. P. Natalense, M. H. F. Bettega, M. A. P. Lima e M. T. do N Varella,
    Phys. Chem. Chem. Phys. 15, 1682 (2013).
  5. Low energy electron scattering from fuels.
    M. C. A. Lopes, D. G. M. Silva, M. H. F. Bettega, R. F. da Costa, M. A. P. Lima, M. A. Khakoo, C. Winstead e V. McKoy,
    J. Phys.: Conference Series 388, 012014 (2012). XXVII International Conference on Photonic, Electronic and Atomic Collisions. IOP Publishing.
  6. Electronic excitation of the 1B2 state of furan by.
    R. F. da Costa, M. H. F. Bettega, M. T. do N. Varella e M. A. P. Lima,
    J. Phys.: Conference Series 388, 012015 (2012). XXVII International Conference on Photonic, Electronic and Atomic Collisions. IOP Publishing.
  7. Shape resonance spectra of lignin subunits.
    E. M. de Oliveira, S. d'A Sanchez, M. H. F. Bettega, A. P. P. Natalense, M. A. P. Lima, M. T. do N Varella,
    Phys. Rev. A 86, 020701(R) (2012).
  8. Positron collisions with ethene.
    M. H. F. Bettega, S. d'A. Sanchez, M. T. do N Varella, M. A. P. Lima, A. Zecca, L. Chiari, E. Trainotti e M. J. Brunger,
    Phys. Rev. A 86, 022709 (2012).
  9. Electronic excitation of gas-phase furan molecules by electron impact.
    R. F. da Costa, M. H. F. Bettega, M. A. P. Lima, M. C. A. Lopes, L. R. Hargreaves, G. Serna e M. A. Khakoo,
    Phys. Rev. A 85, 062706 (2012).
  10. Resonances in low-energy-electron scattering by nitro compounds.
    A. R. Lopes, M. H. F. Bettega e S. d'A. Sanchez,
    Phys. Rev. A 85, 044701 (2012).
  11. Positron scattering from the cyclic ethers oxirane, 1,4-dioxane and tetrahydropyran.
    A. Zecca, E. Trainotti, L. Chiari, M. H. F. Bettega, S. d'A. Sanchez, M. T. do N Varella, M. A. P. Lima e M. J. Brunger,
    J. Chem. Phys. 136, 124305 (2012).
  12. Positron scattering from methane.
    A. Zecca, L. Chiari, E. Trainotti,  A. Sarkar, S. d'A. Sanchez, M. H. F. Bettega,  M. T. do N Varella, M. A. P. Lima e M. J. Brunger,
    Phys. Rev. A  85, 012707 (2012).
  13. Electron collisions with hydrogen bonded complexes.
    T. C. Freitas, S. d'A. Sanchez, M. T. do N. Varella,  e M. H. F. Bettega,
    Phys. Rev. A 84, 062714 (2011).
  14. Resonances in electron collisions with C2H2Cl2 isomers.
    F. Kossoski, T. C. Freitas e M. H. F. Bettega,
    J. Phys. B: At. Mol. Opt. Phys. 44, 245201 (2011).
  15. Elastic collisions of low-energy electrons with SiY4 (Y=Cl, Br, I) molecules.
    M. H. F. Bettega,
    Phys. Rev. A 84, 052725 (2011).
  16. Collisions of low-energy electrons with isopropanol.
    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).
  17. An experimental and theoretical investigation into positron and electron scattering from formaldehyde.
    A. Zecca, E. Trainotti, L. Chiari, G. García, F. Blanco, M. H. F. Bettega,  M. T. do N Varella, M. A. P. Lima e M. J. Brunger,
    J. Phys. B: At. Mol. Opt. Phys. 44, 195202 (2011).
  18. Elastic scattering of low-energy electrons by nitromethane.
    A. R. Lopes, S. d'A. Sanchez e M. H. F. Bettega,
    Phys. Rev. A 83, 062713 (2011).
  19. Low-energy electron scattering from C4H9OH isomers.
    M. H. F. Bettega, C. Winstead e V. McKoy,
    Phys. Rev. A 82, 062709  (2010).
  20. Collisions of low-energy electrons with formamide.
    M. H. F. Bettega,
    Phys. Rev. A 81, 062717 (2010).
  21. Low-energy electron electron scattering from furan. (PRA Kaleidoscope clique aqui)
    M. A. Khakoo, J. Muse, K. Ralphs, R. F. da Costa, M. H. F. Bettega, e M. A. P. Lima,
    Phys. Rev. A 81, 062716 (2010).
  22. Low-energy electron collisions with pyrrole.
    E. M. de Oliveira, M. A. P. Lima, M. H. F. Bettega, S. d'A. Sanchez, R. F. da Costa e M. T. do N. Varella,
    J. Chem. Phys. 132, 204301 (2010).
  23. Electron collisions with alpha-D-glucose and beta-D-glucose monomers.
    R. F. da Costa, M. H. F. Bettega,  M. T. do N. Varella, e M. A. P. Lima,
    J. Chem. Phys. 132, 124309 (2010).
  24. Electron collisions with the CH2O-H2O complex .
    T. C. Freitas, M. A. P. Lima, S. Canuto e M. H. F. Bettega,
    Phys. Rev. A 80, 062710 (2009).
  25. Scattering of low-energy electrons by C2H4O.
    T. C. Freitas e M. H. F. Bettega,
    Phys. Rev. A  79, 042714 (2009).
  26. Low-energy electron collisions with ethane.
    M. H. F. Bettega, R. F. da Costa e M. A. P. Lima,
    Braz. J. Phys. 39, 68 (2009).
  27. Low-energy electron collisions with acetic acid. (PRA Kaleidoscope clique aqui)
    T. C. Freitas, M. T. do N. Varella, R. F. da Costa, M. A. P. Lima e M. H. F. Bettega,
    Phys. Rev. A 79, 0266706 (2009).
  28. Transient ions in electron and positron scattering.
    S. d'A Sanchez, E. M de Oliveira, J. S. dos Santos, R. F. da Costa, M. H. F. Bettega, M. A. P. Lima e M. T. do N. Varella,
    J. Phys.: Conference Series 194, 012035 (2009). XXVI International Conference on Photonic, Electronic and Atomic Collisions. IOP Publishing.
  29. Elastic scattering of slow electrons by n-propanol and n-butanol.
    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 e M. A. P. Lima,
    Phys. Rev. A 78, 062714 (2008).
  30. Positron scattering from formic acid.
    A. Zecca, L. Chiari, A. Sarkar, M. A. P. Lima, M. H. F. Bettega, K. L. Nixon e M. J. Brunger,
    Phys. Rev. A 78,  042707 (2008).
  31. Polarization effects on  low-energy electron collisions with propane.
    M. H. F. Bettega,  R. F. da Costa e M. A. P. Lima,
    Phys. Rev. A 77, 052706 (2008).
  32. Polarization effects on electronic excitation of the  state of ã 3B1u ethylene by low-energy electron impact.
    R. F. da Costa,  M. H. F. Bettega e M. A. P. Lima,
    Phys. Rev. A 77, 042723 (2008).
  33. Low-energy electron scattering from methanol and ethanol.
    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 e M. H. F. Bettega,
    Phys. Rev. A 77, 042705 (2008).
  34. Polarization effects on electronic excitation of molecules by low-energy electron impact: A study on e¯ -furan scattering.
    R. F. da Costa, M. H. F. Bettega e M. A. P. Lima,
    Phys. Rev. A 77, 012717 (2008).
  35. Electron scattering from molecules: applications of the Schwinger multichannel method to e¯ -CO and e¯ -C2H4 collisions.
    R. F. da Costa, M. H. F. Bettega, L. G. Ferreira, e M. A. P. Lima,
    J. Phys.: Conference Series 88, 012028 (2007). XXV International Conference on Photonic, Electronic and Atomic Collisions. IOP Publishing.
  36. Scattering of low-energy electrons by isomers of  C4H10.
    M. H. F. Bettega, M. A. P. Lima e L. G. Ferreira,
     J. Phys. B: At. Mol. Opt. Phys. 40, 3015 (2007).
  37. Electron collisions with furan.
    M. H. F. Bettega e M. A. P. Lima,
    J. Chem. Phys. 126, 194317 (2007).
  38. Electron and positron scattering from 1,1-C2H2F2.
    C. Makochekanwa, H. Kato, M. Hoshino, M. H. F. Bettega, M. A. P. Lima, O. Sueoka e H. Tanaka,
    J. Chem. Phys. 126, 164309 (2007). 
  39. Low-energy electron collisions with formic acid.
    M. H. F. Bettega,
    Phys. Rev. A 74, 054701 (2006).
  40. Low-energy electron scattering by N2O.
    M. H. F. Bettega, C. Winstead e V. McKoy,
    Phys. Rev. A 74, 022711 (2006).
  41. Electron collisions with cyclobutane.
    M. H. F. Bettega, A. R. Lopes, M. A. P. Lima e L. G. Ferreira,
    Braz. J. Phys. 36, 570 (2006).
  42. A geometrical optics model for electron-molecule collisions.
    L. G. Ferreira, A. R. Lopes, M. A. P. Lima e M. H. F. Bettega,
    J. Phys. B: At. Mol. Opt. Phys. 39, 1045 (2006).
  43. Experimental and theoretical elastic cross sections for electron collisions with the C3H6 isomers.
    C. Makochekanwa, H. Kato, M. Hoshino, H. Tanaka, H. Kubo, M. H. F. Bettega, A. R. Lopes, M. A. P. Lima e L. G. Ferreira,
    J. Chem. Phys. 124, 024323 (2006).
  44. Cross sections for rotational excitations of C3H4 isomers by electron impact.
    A. R. Lopes, M. H. F. Bettega, M. T. do N. Varella e M. A. P. Lima,
    Eur. Phys. J. D 37, 385 (2006).
  45. Elastic electron scattering by ethylene, C2H4.
    C. Winstead, V. McKoy e M. H. F. Bettega,
    Phys. Rev. A 72, 042721 (2005).
  46. Addendum to "Elastic scattering of low-energy electrons by OCS".
    M. H. F. Bettega, M. A. P. Lima e L. G. Ferreira,
    Phys. Rev. A 72, 014702 (2005).
  47. Electron collisions with CS2.
    M. H. F. Bettega, M. A. P. Lima e L. G. Ferreira,
    J. Phys. B: At. Mol. Opt. Phys. 38, 2087 (2005).
  48. Polarization effects in the elastic scattering of low-energy electrons by C3H4 isomers.
    S. d'A. Sanchez, A. R. Lopes, M. H. F. Bettega, M. A. P. Lima e L. G. Ferreira,
    Phys. Rev. A 71, 062702 (2005).
  49. Elastic scattering of low-energy electrons by OCS.
    M. H. F. Bettega, M. A. P. Lima e L. G. Ferreira,
    Phys. Rev. A 70,  062711 (2004).
  50. Electron collisions with the hydrides PH3, AsH3, e SbH3.
    M. H. F. Bettega e M. A. P. Lima,
    J. Phys. B: At. Mol. Opt. Phys. 37, 3859 (2004).
  51. Electron collisions with isomers of C4H8 and C4H10.
    A. R. Lopes, M. H. F. Bettega, M. A. P. Lima e L. G. Ferreira,
    J. Phys. B: At. Mol. Opt. Phys.  37, 997 (2004). IOP Select. 
  52. Low-energy electron collisions with  C4H6 isomers.
    A. R. Lopes, M. A. P. Lima, L. G. Ferreira e M. H. F. Bettega,
    Phys. Rev. A 69, 014702 (2004).
  53. Polarization effects in the elastic scattering of low-energy electrons by XH4 (X=C, Si, Ge, Sn, Pb).
    M. H. F. Bettega, M. T. do N. Varella e M. A. P. Lima,
    Phys. Rev. A 68, 012706 (2003).
  54. Low-energy electron scattering by methylsilane.
    M. H. F. Bettega, C. Winstead e V. McKoy,
    J. Chem. Phys. 119, 859 (2003).
  55. Elastic scattering of low-energy electrons by XH3YH3 (X,Y=C, Si, Ge, Sn).
    C. A. S. Maia e M. H. F. Bettega,
    Phys. Rev. A 67, 042710 (2003).
  56. Elastic scattering of low-energy electrons by C3H4 isomers.
    A. R. Lopes e M. H. F. Bettega,
    Phys. Rev. A 67, 032711 (2003).
  57. Elastic scattering of low-energy electrons by CF3Cl, CF3Br, and CF3I.
    M. H. F. Bettega, A. P. P. Natalense, M. A. P. Lima e L. G. Ferreira,
    J. Phys. B: At. Mol. Opt. Phys. 36, 1263 (2003).
  58. A comparative study of elastic scattering of low-energy electrons by boron, aluminium and gallium trihalides.
    Romarly F. da Costa, Luiz G. Ferreira, Marco A. P. Lima e Márcio H. F. Bettega,
    J. Chem. Phys. 118, 75 (2003).
  59. Elastic scattering of low-energy electrons by carbon, silicon, germanium and tin tetrahalides.
    E. Joucoski e M. H. F. Bettega,
    J. Phys. B: At. Mol. Opt. Phys. 35, 4953 (2002).
  60. Elastic scattering of low-energy electrons by NF3.
    E. Joucoski e M. H. F. Bettega,
    J. Phys. B: At. Mol. Opt. Phys. 35, 783 (2002).
  61. Low-energy electron scattering by C2HF5.
    M. H. F. Bettega, C. Winstead e V. McKoy,
    J. Chem. Phys. 114, 6672 (2001).
  62. Low-energy electron scattering by CS2 molecules.
    M. H. F. Bettega,
    Aust. J. Phys. 53, 785 (2001).
  63. Applications of the Schwinger Multichannel Method with Pseudopotentials to Electron Scattering from Polyatomic
    Molecules I.     Elastic Cross Sections.
    A. P. P. Natalense, M. T. do N. Varella, M. H. F. Bettega, L. G. Ferreira e M. A. P. Lima,
    Braz. J.  Phys. 31, 15 (2001).
  64. Applications of the Schwinger Multichannel Method with Pseudopotentials to Electron Scattering from Polyatomic
    Molecules II.     Rotational Excitation Cross Sections.
    M. T. do N. Varella, M. H. F. Bettega, A. P. P. Natalense, L. G. Ferreira e M. A. P. Lima,
    Braz. J. Phys. 31, 21 (2001).
  65. Scattering of low-energy electrons by TiCl4, GeCl4 , SiCl4, and CCl4: a comparison of elastic cross sections.
    D. L. Azevedo, M. H. F. Bettega, L. G. Ferreira e M. A. P. Lima,
    J. Phys. B: At. Mol. Opt. Phys. 33, 5467 (2000).
  66. Low-energy electron scattering by boron trihalides.
    M. H. F. Bettega,
    Phys. Rev. A 62, 024701 (2000).
  67. Elastic scattering of low-energy electrons by OCS molecules.
    M. H. F. Bettega, M. A. P. Lima e L. G. Ferreira,
    Aust. J. Phys. 53, 399 (2000).
  68. Elastic scattering of low-energy electrons by benzene.
    M. H. F. Bettega, C. Winstead e V. McKoy,
    J. Chem. Phys. 112, 8806 (2000) .
  69. Elastic scattering of low-energy electrons by carbon disulphide.
    M. H. F. Bettega, A. P. P. Natalense, M. A. P. Lima e L. G. Ferreira,
    Braz. J. Phys. 30, 189 (2000).
  70. Elastic scattering of low-energy electrons by boron trihalides.
    M. H. F. Bettega,
    Phys. Rev. A 61, 042703 (2000) .
  71. Elastic and rotationally inelastic cross sections for low energy electron scattering by SO2 molecules.
    A. P. P. Natalense, M. T. do N. Varella, M. H. F. Bettega, L. G. Ferreira e M. A. P. Lima,
    J. Phys. B: At. Mol. Opt. Phys. 32, 5523 (1999).
  72. Low-energy electron scattering by CF4 , CCl4 , SiCl4, SiBr4, and SiI4.
    M. T. do N. Varella, A. P. P. Natalense, M. H. F. Bettega e M. A. P. Lima,
    Phys. Rev. A 60, 3684 (1999).
  73. Low-energy electron scattering by H2O, H2S, H2Se, and H2Te.
    M. T. do N. Varella, M. H. F. Bettega, M. A. P. Lima e L. G. Ferreira,
    J. Chem. Phys. 111 , 6396 (1999).
  74. Cross sections for rotational excitations of NH3, PH3, AsH3 and SbH3 by electron impact.
    M. T. do N. Varella, M. H. F. Bettega, A. J. R. da Silva e M. A. P. Lima,
    J. Chem. Phys. 110, 2452 (1999).
  75. Halogenation effects in electron scattering from CHF3, CH2F2, CH3F, CHCl3, CH2Cl2, CH3Cl, CFCl3, CF2Cl2, and CF3Cl.
    A. P. P. Natalense, M. H. F. Bettega, L. G. Ferreira e M. A. P. Lima,
    Phys. Rev. A 59, 879 (1999).
  76. Elastic scattering of low-energy electrons by ozone.
    M. H. F. Bettega, M. T. do N. Varella, L. G. Ferreira e M. A. P. Lima,
    J. Phys. B: At. Mol. Opt. Phys. 31, 4419 (1998).
  77. Elastic scattering of low-energy electrons by N2O.
    S. M. S. da Costa e M. H. F. Bettega,
    Eur. Phys. J. D 3, 67 (1998) .
  78. Electronic-excitation of XH4 (X=C, Si, Ge, Sn, Pb) by electron impact.
    M. H. F. Bettega, L. G. Ferreira e M. A. P. Lima,
    Phys. Rev. A 57, 4987 (1998) .
  79. Low-energy electron scattering by N2, P2, As2 and Sb2.
    M. H. F. Bettega, M. A. P. Lima e L. G. Ferreira,
    J. Phys. B: At. Mol. Opt. Phys. 31, 2091 (1998).
  80. Static-exchange cross sections for electron-collisions with B2H6, C2H6, Si2H6 and Ge2H6.
    M. H. F. Bettega, A. J. S. Oliveira, A. P. P. Natalense, M. A. P. Lima e L. G. Ferreira,
    Eur. Phys. J. D 1 , 291 (1998).
  81. Cross sections for rotational excitations of CH4, SiH4, GeH4, SnH4 and PbH4 by electron impact.
    M. T. do N. Varella, M. H. F. Bettega e M. A. P. Lima,
    Z. Phys. D: Atoms Molecules and Clusters 39, 59 (1997).
  82. Note on the Generation of Gaussian Bases for Pseudopotential Calculations.
    M. H. F. Bettega, A. P. P. Natalense, M. A. P. Lima e L. G. Ferreira,
    Int. J. Quant. Chem. 60 , 821 (1996).
  83. Cross sections for collisions of low-energy electrons with the hydrides PH3, AsH3, SbH3, SnH4, TeH2 and HI.
    M. H. F. Bettega, M. A. P. Lima e L. G. Ferreira,
    J. Chem. Phys. 105, 1029 (1996).
  84. Calculation of elastic scattering cross sections of low-energy electrons by PbH4 and SnH4.
    M. H. F. Bettega, A. P. P. Natalense, M. A. P. Lima e L. G. Ferreira,
    J. Chem. Phys. 103, 10566 (1995).
  85. Low-energy electron scattering by CF4, CCl4, SiCl4, SiBr4, and SiI4.
    A. P. P. Natalense, M. H. F. Bettega, L. G. Ferreira e M. A. P. Lima,
    Phys. Rev. A 52, R1 (1995).
  86. Transferability of local-density norm-conserving pseudopotentials to electron-molecule-collision calculations.
    M. H. F. Bettega, L. G. Ferreira e M. A. P. Lima,
    Phys. Rev. A 47, 1111 (1993).


Trabalhos Publicados (Proceedings):

  1. Isomer Effect In Electron Collisions With Small Hydrocarbons.
    M. H. F. Bettega, A. R. Lopes, S. d'A. Sanchez, M. T. do N. Varella, M. A. P. Lima e L. G. Ferreira,
    Proceedings of the XXIV ICPEAC, 328-335,  World Scientific Publishing, Co., Singapore (2006).
  2. Norm-Conserving Pseudopotentials In Electronic Excitation Of Molecules By Electron Impact.
    A. P. P. Natalense, M. H. F. Bettega, M. T. do N. Varella, A. J. S. Oliveira, D. L. Azevedo, L. G. Ferreira e M. A. P. Lima,
    Book of Invited Lectures of XX ICPEAC,  209-218. World Scientific Publishing, Co., New Jersey, USA (1998).

Trabalhos Aceitos:



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