Articles

  1. R. B. Ribeiro, L. R. Franco, A. Holmes, T. N. Ramos, E. Wang, M. T. do N. Varella, C. M. Araujo, Assessing Structural and Optical Properties of PTQ10-Based Donor Polymers in Solution for Eco-Friendly Photovoltaics: A Multiscale Modeling Study , J. Phys. Chem. B, 2025, accepted. link

  2. H. Abdoul-Carime, E. G. F. de Miranda, M. T do N. Varella, Low-energy (0-9 eV) electron interaction with gas phase 1,3-dichlorobenzene: an experimental and theoretical study, Phys. Scripta, 99, 125401 (2024). link
    Focus issue in honor of the 80th birthday of Tilmann Märk: link

  3. M. Bergami, J. Charry, A. Reyes, K. Coutinho, M. T do N. Varella, Does Positron Attachment Take Place in Water Solution?, J. Phys. Chem. B, 128, 10178 (2024). link

  4. D. Archila, F. Moncada, J. Charry, M. T do N. Varella, R. Flores-Moreno, F. J. Torres, A. Reyes, Two-positron-bonded dihalides: PsXY (X,Y=F, Cl, Br), Chem. Eur. J., e202402618 (2024). link

  5. M. Kiataki, K. Coutinho, M. T. do N. Varella, Toward a numerically efficient description of bulk-solvated anionic states, J. Chem. Phys. 161, 034301 (2024). link

  6. R. Porras-Roldan, F. Moncada, J. Charry, M. T. do N. Varella, R. Flores-Moreno, A. Reyes, Electron superhalogens as positronium superhalogens, Phys. Chem. Chem. Phys. 26, 18881 (2024). link

  7. M. B. Kiataki, M. T. do N. Varella, K. Coutinho, F. Rabilloud, Novel Approach for Predicting Vertical Electron Attachment Energies in Bulk-Solvated Molecules, J. Chem. Theory Comput. 20, 4893 (2024). link

  8. R. B. Ribeiro, M. T. do N. Varella, Excited state properties of an A-D-A nonfullerene electron acceptor: a LC-TD-DFTB study, Phys. Chem. Chem. Phys. 26, 12993 (2024). link
    Highlighted as 2024 PCCP HOT Article: link

  9. L. Vetritti, J. Kopyra, P. Wierzbicka, M. T. do N. Varella, Fragmentation of the DNA Lesion 8-oxo-Guanine by Low-Energy Electrons, J. Phys. Chem. A 127, 7470 (2023). link

  10. M. B. Kiataki, M. T. do N. Varella, K. Coutinho, New approach to instantaneous polarizable electrostatic embedding of the solvent, J. Mol. Liq. 389, 122861 (2023). link

  11. J. Ameixa, E. Arthur-Baidoo, J. Pereira-da-Silva, M. Ončák, J. C. Ruivo, M. T. do N. Varella, F. Fereira da Silva, S. Denifl, Parent anion radical formation in coenzyme Q0: Breaking ubiquinone family rules, Comput. Struct. Biotechnol. J. 21, 346 (2023). link

  12. M. H. F. Bettega, S. J. Buckman, M. Khakoo, P. Limão-Vieira, M. T. do N. Varella, Molecular collisions, photoionization and dynamics: honouring Professor Vincent McKoy, Eur. Phys. J. D 76, 65 (2022). link

  13. E. G. F. de Miranda, L. M. Cornetta, M. T. do N. Varella, Low-Energy Electron Interactions with Resveratrol and Resorcinol: Anion States and Likely Dissociation Pathways, J. Phys. Chem. A 126, 7667 (2022). link

  14. J. Charry, F. Moncada, M. Barborini, L. Pedraza-González, M. T. do N. Varella, A. Tkatchenko, A. Reyes, The three-center two-positron bond, Chem. Sci. 13, 13795 (2022). link
    Selected for the Celebrating Latin American Chemistry themed collection: link

  15. S. Ptasinska, M. T. do N. Varella, M. A. Khakoo, Daniel S. Slaughter, S. Denifl, Electron scattering processes: fundamentals, challenges, advances, and opportunities, Eur. Phys. J. D 76, 179 (2022). link

  16. A. I. Lozano, F. Kossoski, F. Blanco, P. Limão-Vieira, M. T. do N. Varella, G. García, Observation of Transient Anions That Do Not Decay through Dissociative Electron Attachment: New Pathways for Radiosensitization, J. Phys. Chem. Lett. 13, 7001 (2022). link

  17. M. Bergami, A. L. D. Santana, J. Charry Martinez, A. Reyes, K. Coutinho, M. T. do N. Varella, Multicomponent quantum mechanics/molecular mechanics study of hydrated positronium, J. Phys. Chem. B 126, 2699 (2022). link

  18. L. M. Cornetta, T. J. Martinez, M. T. do N. Varella, Dissociative electron attachment to 5-bromo-uracil: non-adiabatic dynamics on complex-valued potential energy surfaces, Phys. Chem. Chem. Phys. 24, 6845 (2022). link

  19. J. Ameixa, E. Arthur-Baidoo, J. Pereira-da-Silva, J. C. Ruivo, M. T. do N. Varella, M. K. Beyer, F. F. da Silva, M. Ončák, S. Denifl, Formation of Temporary Negative Ions and Their Subsequent Fragmentation upon Electron Attachment to CoQ0and CoQ0H2, ChemPhysChem 23, e202100834 (2022). link
    Issue Front Cover: link

  20. L. A. Poveda, M. T. do N. Varella, J. R. Mohallem, Vibrational Excitation Cross-Section by Positron Impact: A Wave-Packet Dynamics Study, Atoms 9, 64 (2021). link

  21. J. C. Ruivo, F. Kossoski, M. T. do N. Varella, Anion states of halocamphor molecules: insights into chirally sensitive dissociative electron attachment, Phys. Chem. Chem. Phys., 23, 17616 (2021). link

  22. J. Pereira-da-Silva, R. Rodrigues, J. Ramos, C. Brígido, A. Botnari, M. Silvestre, J. Ameixa, M. Mendes, F. Zappa, S. J. Mullock, J. M. M. Araújo, M. T. do N. Varella, L. M. Cornetta, F. Ferreira da Silva, Electron Driven Reactions in Tetrafluoroethane: Positive and Negative Ion Formation, J. Am. Soc. Mass Spectrom., 32, 1459 (2021). link

  23. M. T. do N. Varella, L. Stojanović, V. Quan Vuong, S. Irle, T. A. Niehaus, M. Barbatti, How the Size and Density of Charge-Transfer Excitons Depend on Heterojunction's Architecture, J. Phys. Chem. C 125, 5458 (2021). link

  24. M. Kiataki, M. T. do N. Varella, M. H. F. Bettega, F. Kossoski, Shape Resonances and Elastic Cross Sections in Electron Scattering by CF3Br and CF3I, J. Phys. Chem. A 124, 8660 (2020). link

  25. J. Ameixa, E. Arthur-Baidoo, J. Pereira-da-Silva, M. Ryszka, I. Carmichael, L. M. Cornetta, M. T. do N. Varella, F. Ferreira da Silva, S. Ptasińska and S. Denifl, Formation of resonances and anionic fragments upon electron attachment to benzaldehyde, Phys. Chem. Chem. Phys. 22, 8171 (2020). link

  26. L. M. Cornetta, K. Coutinho, M. T. do N. Varella, Solvent effects on the π* shape resonances of uracil, J. Chem. Phys. 152, 084301 (2020). link

  27. F. Moncada, L. Pedraza-González, J. Charry, M. T. do N. Varella, A. Reyes, Covalent bonds in positron dihalides, Chem. Sci. 11, 44 (2020).
    Highlighted as Pick of the Week link

  28. F. Kossoski, M. T. do N. Varella, M. Barbatti, On-the-fly dynamics simulations of transient anions , J. Chem. Phys. 151, 224104 (2019). link

  29. F. Ferreira da Silva, M. T. do N. Varella, N. C. Jones, S. Vrønning Hoffmann, S. Denifl, I. Bald, J. Kopyra, Electron-Induced Reactions in 3-Bromopyruvic Acid, Chem. Eur. J. 25, 5498 (2019). link

  30. J. Charry, M. T. do N. Varella, A. Reyes, Binding Matter with Antimatter: The Covalent Positron Bond , Angew. Chem. Int. Ed. 57, 8859 (2018). link

  31. A. I. Lozano, J. C. Oller, D. B. Jones, R. F. da Costa, M. T. do N. Varella, M. H. F. Bettega, F. Ferreira da Silva, P. Limão, M. A. P. Lima, R. D. White, M. J. Brunger, F. Blanco, A. Muñoz, G. García, Total electron scattering cross sections from para-benzoquinone in the energy range 1-200 eV , Phys. Chem. Chem. Phys. 20, 22368 (2018). link

  32. R. F. da Costa, J. C. Ruivo, F. Kossoski, M. T. do N. Varella, M. H. F. Bettega, D. B. Jones, M. J. Brunger, M. A. P. Lima, An ab initio investigation for elastic and electronically inelastic electron scattering from para-benzoquinone , J. Chem. Phys. 149, 174308 (2018). link

  33. D. B. Jones, R. F. da Costa, F. Kossoski, M. T. do N. Varella, M. H. F. Bettega, G. G. García, F. Blanco, R. D. White, M. A. P. Lima, M. J. Brunger, Integral elastic, vibrational-excitation, electronic-state excitation, ionization, and total cross sections for electron scattering from para-benzoquinone, J. Chem. Phys. 148, 204305 (2018). link

  34. D. B. Jones, R. F. da Costa, F. Kossoski, M. T. do N. Varella, M. H. F. Bettega, F. F. da Silva, P. Limão-Vieira, G. García, M. A. P. Lima, R. D. White e M. J. Brunger, Electron-impact electronic-state excitation of para-benzoquinone, J. Chem. Phys. 148, 124312 (2018). link

  35. L. Cornetta, F. Kossoski, M. T. do N. Varella, Transient anion spectra of the potential radiosensitizers 5-cyanateuracil and 5-thiocyanateuracil, J. Chem. Phys. 147, 214310 (2017). link

  36. F. Kossoski, M. T. do N. Varella, How does methylation suppress the electron-induced decomposition of 1-methylnitroimidazoles?, J. Chem. Phys. 147, 164310 (2017). link

  37. D. B. Jones, F. Blanco, G. García, R. F. da Costa, F. Kossoski, M. T. do N. Varella, M. H. F. Bettega, M. A. P. Lima, R. D. White, M. J. Brunger, Elastic scattering and vibrational excitation for electron impact on para-benzoquinone, J. Chem. Phys. 147, 244304 (2017). link

  38. D. B. Jones, P. Limão-Vieira, M. Mendes, N. C. Jones, S. V. Hoffmann, R. F. da Costa, M. T. do N. Varella, M. H. F. Bettega, F. Blanco, G. García, O. Ingólfsson, M. A. P. Lima, M. J. Brunger, An experimental and theoretical investigation into the electronically excited states of para-benzoquinone, J. Chem. Phys. 146, 184303 (2017). link

  39. F. B. Nunes, M. T. do N. Varella, D. F. Pastega, T. C. Freitas, M. A. P. Lima, M. H. F. Bettega, S. d’A. Sanchez, Transient negative ion spectrum of the cytosine-guanine pair , Eur. Phys. J. D 71, 92 (2017). link

  40. D. B. Jones, R. F. da Costa, M. T. do N. Varella, M. H. F. Bettega, M. A. P. Lima, F. Blanco, G. García, M. J. Brunger, Integral elastic, electronic-state, ionization, and total cross sections for electron scattering with furfural , J. Chem. Phys. 144, 144303 (2016). link

  41. L. M. Cornetta, K. Coutinho, S. Canuto, M. T. do N. Varella, Free energy barrier for dissociation of the guanosine monophosphate anion in water , Eur. Phys. J. D 70, 176 (2016). link

  42. A. S. Barbosa, M. T. do N. Varella, S. d’A. Sanchez, J. Ameixa, F. Blanco, G. García, P. Limão-Vieira, F. F. da Silva, M. H. F. Bettega, Theoretical and experimental study on electron interactions with chlorobenzene: Shape resonances and differential cross sections , J. Chem. Phys. 145, 084311 (2016). link

  43. M. A. Ridenti, J. Amorim Filho, M. J. Brunger, R. F. da Costa, M. T. do N. Varella, M. H.F. Bettega, M. A.P. Lima, Electron scattering by biomass molecular fragments: useful data for plasma applications? , Eur. Phys. J. D 70, 161 (2016). link

  44. F. Kossoski, M. T. do N. Varella, Precursor anion states in dissociative electron attachment to chlorophenol isomers , J. Chem. Phys. 145, 044310 (2016). link

  45. R. F. da Costa, M. T. do N. Varella, M. H. F. Bettega, R. F. C. Neves, M. C. A. Lopes, F. Blanco, G. García, D. B. Jones, M. Brunger, M. A. P. Lima, The electron-furfural scattering dynamics for 63 energetically open electronic states , J. Chem. Phys. 144, 124310 (2016). link

  46. D. B. Jones, R. F. C. Neves, M. C. A. Lopes, R. F. da Costa, M. T. do N. Varella, M. H. F. Bettega, M. A. P. Lima, G. García, P. Limão-Vieira, M. Brunger, Theoretical and experimental differential cross sections for electron impact excitation of the electronic bands of furfural, J. Chem. Phys. 144, 124309 (2016). link

  47. D. B. Jones, R. F. C. Neves, M. C. A. Lopes, R. F. da Costa, M. T. do N. Varella, M. H. F. Bettega, M. A. P. Lima, G. García, F. Blanco, M. J. Brunger, Excitation of vibrational quanta in furfural by intermediate-energy electrons, J. Chem. Phys. 143, 224304 (2015). link

  48. F. Kossoski, J. Kopyra, M. T. do N. Varella, Anion states and fragmentation of 2-chloroadenine upon low-energy electron collisions, Phys. Chem. Chem. Phys. 17, 28958 (2015). link

  49. F. Ferreira da Silva, E. Lange, P. Limão-Vieira, N. C. Jones, S. V. Hoffmann, M.-J. Hubin-Franskin, J. Delwiche, M. J. Brunger, R. F. C. Neves, M. C. A. Lopes, E. M. de Oliveira, R. F. da Costa, M. T. do N. Varella, M. H. F. Bettega, F. Blanco, G. García, M. A. P. Lima, D. B. Jones, Electronic excitation of furfural as probed by high-resolution vacuum ultraviolet spectroscopy, electron energy loss spectroscopy, and ab initio calculations, J. Chem. Phys. 143, 144308 (2015). link

  50. F. Kossoski, M. T. do N. Varella, Negative ion states of 5-bromouracil and 5-iodouracil, Phys. Chem. Chem. Phys. 17, 17271 (2015). link

  51. R. F. da Costa, M. T. do N. Varella, M. H.F. Bettega, M. A.P. Lima, Recent advances in the application of the Schwinger multichannel method with pseudopotentials to electron-molecule collisions, Eur. Phys. J. D 69, 159 (2015).
    Review Article (Colloquium) - Issue Cover link

  52. R. F. C. Neves, D. B. Jones, M. C. A. Lopes, K. L. Nixon, E. M. de Oliveira, R. F. da Costa, M. T. do N. Varella, M. H. F. Bettega, M. A. P. Lima, G. B. da Silva, M. J. Brunger, Intermediate energy electron impact excitation of composite vibrational modes in phenol, J. Chem. Phys. 142, 194302 (2015). link

  53. R. F. C. Neves, D. B. Jones, M. C. A. Lopes, K. L. Nixon, G. B. da Silva, H. V. Duque, E. M. de Oliveira, R. F. da Costa, M. T. do N. Varella, M. H. F. Bettega, M. A. P. Lima, K. Ratnavelu, G. García, M. J. Brunger, Differential cross sections for electron impact excitation of the electronic bands of phenol, J. Chem. Phys. 142, 104305 (2015). link

  54. R. F. da Costa, E. M. de Oliveira, M. H. F. Bettega, M. T. do N. Varella, D. B. Jones, M. J. Brunger, F. Blanco, R. Colmenares, P. Limão-Vieira, Gustavo García, M. A. P. Lima, Electron collisions with phenol: Total, integral, differential, and momentum transfer cross sections and the role of multichannel coupling effects on the elastic channel, J. Chem. Phys. 142, 104304 (2015). link

  55. J. S. dos Santos, F. Kossoski, M. T. do N. Varella, Interaction of low-energy electrons with dimethyl sulfide and dimethyl disulfide, Phys. Rev. A 90, 052713 (2014). link

  56. J. Kopyra, H. Abdoul-Carime, F. Kossoski, M. T. do N. Varella, Electron driven reactions in sulphur containing analogues of uracil: the case of 2-thiouracil, Phys. Chem. Chem. Phys. 16, 25054 (2014). link

  57. R. F. da Costa, M. H. F. Bettega, M. T. do N. Varella, E. M. de Oliveira, M. A. P. Lima, Electron collisions with ethylene: The role of multichannel-coupling effects, Phys. Rev. A 90, 052707 (2014). link

  58. D. B. Jones, G. B. da Silva, R. F. C. Neves, H. V. Duque, L. Chiari, E. M. de Oliveira, M. C. A. Lopes, R. F. da Costa, M. T. do N. Varella, M. H. F. Bettega, M. A. P. Lima, M. J. Brunger, An experimental and theoretical investigation into the excited electronic states of phenol, J. Chem. Phys. 141, 074314 (2014). link

  59. J. Romero, J. A. Charry, R. Flores-Moreno, M. T. do N. Varella, A. Reyes, Calculation of positron binding energies using the generalized any particle propagator theory, J. Chem. Phys. 141, 114103 (2014). link

  60. E. M. de Oliveira, T. C. Freitas, K. Coutinho, M. T. do N. Varella, S. Canuto, M. A. P. Lima, M. H. F. Bettega, Communication: Transient anion states of phenol...(H2O)n (n = 1, 2) complexes: Search for microsolvation signatures , J. Chem. Phys. 141, 051105 (2014) link

  61. J. Charry, J. Romero, M. T. do N. Varella, A. Reyes, Calculation of positron binding energies of amino acids with the any-particle molecular-orbital approach , Phys. Rev. A 89, 052709 (2014) link

  62. E. M. de Oliveira, M. T. do N. Varella, M. H. F. Bettega, M. A. P. Lima, Elastic scattering of slow electrons by n-pentanol alcohol ,
    Eur. Phys. J. D 68, 65 (2014) link

  63. F. Kossoski, M. H. F. Bettega, M. T. do N. Varella, Shape resonance spectra of uracil, 5-fluorouracil, and 5-chlorouracil ,
    J. Chem. Phys. 140, 024317 (2014) link

  64. L. Chiari, A. Zecca, E. Trainotti, G. García, F. Blanco, M. H. F. Bettega, S. d’A. Sanchez,M. T. do N. Varella, M. A. P. Lima, M. J. Brunger,
    Positron and electron collisions with nitrous oxide: measured and calculated cross sections , Phys. Rev. A 88, 022708 (2013) link

  65. M. T. do N. Varella, S. d’A. Sanchez, M. H. F. Bettega, M. A. P. Lima, L. Chiari, A. Zecca, E. Trainotti, M. J. Brunger,
    Low-energy positron scattering from iodomethane, J. Phys. B 46, 175202 (2013) link

  66. R. F. da Costa, M. T. do N. Varella, M. A. P. Lima, M. H. F. Bettega, Low-energy electron collisions with thiophene,
    J. Chem. Phys. 138, 194306 (2013) link

  67. T. C. Freitas, K. Coutinho, M. T. do N. Varella, M. A. P. Lima, S. Canuto, M. H. F. Bettega, Electron collisions with
    the HCOOH...(H2O)n complexes (n = 1,2) in liquid phase: The influence of microsolvation on the π* resonance of formic acid,

    J. Chem. Phys. 138, 174307 (2013) link

  68. L. Chiari, A. Zecca, E. Trainotti, M. H. F. Bettega, S. d’A. Sanchez, M. T. do N. Varella, M. A. P. Lima, M. J. Brunger,
    Cross sections for positron scattering from ethane , Phys. Rev. A 87, 032707 (2013) link

  69. 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,
    Low-energy electron scattering by cellulose and hemicellulose components , Phys. Chem. Chem. Phys. 15, 1682 (2013) link

  70. 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,
    Shape Resonance Spectra of Lignin Subunits , Phys. Rev. A 86, 020701(R) (2012) link

  71. M. H. F. Bettega, S. d’A. Sanchez, M. T. do N. Varella, M. A. P. Lima, L. Chiari, A. Zecca, E. Trainotti, M. J. Brunger,
    Positron Collisions with Ethene , Phys. Rev. A 86, 022709 (2012) link

  72. A. Zecca, E. Trainotti, L. Chiari, M. H. F. Bettega, S. d’A. Sanchez, M. T. do N. Varella, M. A. P. Lima, M. J. Brunger,
    Positron Scattering from the Cyclic Ethers Oxirane, 1,4-Dioxane and Tetrahydropyran , J. Chem. Phys. 136, 124305 (2012) link

  73. J. S. dos Santos, R. F. da Costa, M. T. do N. Varella, Low-Energy Electron Collisions with Glycine, J. Chem. Phys. 136, 084307 (2012) link

  74. 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, M. J. Brunger,
    Positron Scattering from Methane, Phys. Rev. A 85, 012707 (2012) link

  75. S. d’A. Sanchez, M. A .P. Lima, M. T. do N. Varella, Multimode Vibrational Couplings in Resonant Positron Annihilation,
    Phys. Rev. Lett. 107, 103201 (2011) link

  76. T. Freitas, S. d’A. Sanchez, M. T. do N. Varella, M. H. F. Bettega, Electron collisions with hydrogen-bonded complexes ,
    Phys. Rev. A 84, 062714 (2011) link

  77. A. Zecca, E. Chiari, G. García, F. Blanco, M. H. F. Bettega, M. T. do N. Varella, M. A. P. Lima, M. J. Brunger, An experimental and
    theoretical investigation into positron and electron scattering from formaldehyde
    , J. Phys. B 44, 195202 (2011) link
    Selecionado entre os 2011 Research Highlights pelo Journal of Physics B link

  78. E. M. de Oliveira, M. A .P. Lima, S. d’A. Sanchez, M. H. F. Bettega, R. F. da Costa, M. T. do N. Varella, Low Energy Electron Collisions
    with Pyrrole
    , J. Chem. Phys. 132, 204301 (2010) link

  79. R. F. da Costa, M. H. F. Bettega, M. A .P. Lima, M. T. do N. Varella, Electron collisions with α-D-glucose and β-D-glucose,
    J. Chem. Phys. 132, 124309 (2010) link

  80. E. M. de Oliveira, S. d’A. Sanchez, M. A .P. Lima, M. T. do N. Varella, Near-threshold vibrational excitation of acetylene by positron impact,
    Phys. Rev. A 81, 012712 (2010) link

  81. S. d’A. Sanchez, M. A .P. Lima, M. T. do N. Varella, Feshbach Projection Operator Approach to Positron Annihilation, Phys. Rev. A 80, 052710 (2009) link

  82. T. C. Freitas, M. T. do N. Varella, R. F. da Costa, M. A. P. Lima, M. H. F. Bettega, Low-Energy Electron Collisions with Acetic Acid,
    Phys. Rev. A 79, 022706 (2009) link

  83. 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,
    Elastic Scattering of Slow Electrons by n-Propanol and n-Butanol, Phys. Rev. A 78, 062714 (2008) link

  84. E. M. de Oliveira, M. A. P. Lima, M. T. do N. Varella, Comparative Study of Electron and Positron Scattering by H2:
    The Role of the Σg Feshbach Resonance
    , Phys. Rev. A 78, 042704 (2008) link

  85. M. T. do N. Varella, E. M. de Oliveira, M. A. P. Lima, Near Threshold Vibrational Excitation of Molecules by Positron Impact: a Projection Operator Approach,
    Nucl. Instrum. Meth. Phys. Res. B 266, 435 (2008) link

  86. M. T. do N. Varella, M. A. P. Lima, Vibrational Excitation of H2 by Positron Impact: a Projection Operator Approach, Phys. Rev. A 76, 052701 (2007) link

  87. M. T. do N. Varella, Y. Arasaki, H. Ushiyama, K. Takatsuka, K. Wang, V. McKoy, Real-Time Observation of Intramolecular Proton Transfer in the Electronic
    Ground State of Chloromalonaldehyde: an Ab Initio Study of Time-Resolved Photoelectron Spectra
    , J. Chem. Phys. 126, 054303 (2007) link
    Selected by Virtual Journal of Ultrafast Science link

  88. F. Arretche, R. F. da Costa, S. d’A. Sanchez, A. N. S. Hisi, E. M. de Oliveira, M. T. do N. Varella, M. A. P. Lima, Similarities and Differences in
    e± Scattering: Applications of the Schwinger Multichannel Method
    , Nucl. Instrum. Meth. Phys. Res. B 247, 13 (2006) link

  89. M. T. do N. Varella, Y. Arasaki, H. Ushiyama, V. McKoy, K. Takatsuka, Time-resolved photoelectron spectroscopy of proton transfer in the ground state
    of chloromalonaldehyde: wave packet dynamics on effective potential surfaces of reduced dimensionality
    , J. Chem. Phys. 124, 154302 (2006) link
    Selected by Virtual Journal of Ultrafast Science link

  90. A. R. Lopes, M. H. F. Bettega, M. T. do N. Varella, M. A. P. Lima, Cross-sections for Rotational Excitations of C3H4 Isomers by Electron Impact,
    Eur. Phys. J. D 37, 385 (2006) link

  91. Y. Arasaki, K. Yamazaki, M. T. do N. Varella, K. Takatsuka, Real-Time Observation of Ground State Proton Transfer: a Model Study, Chem. Phys. 311, 255 (2005) link

  92. E. P. da Silva, M. T. do N. Varella, M. A. P. Lima, Electronic Excitation of CO by Positron Impact, Phys. Rev. A 72, 062715 (2005) link

  93. P. Chaudhuri, M. T. do N. Varella, C. R. C. de Carvalho, M. A. P. Lima, Positron Impact Electronic Excitation of N2,
    Nucl. Instrum. Meth. Phys. Res. B 221, 69 (2004) link

  94. S. d’A. Sanchez, F. Arretche, M. T. do N. Varella, M. A . P. Lima, Low Energy Positron Scattering by SF6 and CO2, Phys. Scripta T110, 276 (2004) link

  95. P. Chaudhuri, M. T. do N. Varella, C. R. C. de Carvalho, M. A. P. Lima, Electronic Excitation of N2 by Positron Impact, Phys. Rev. A 69, 042703 (2004) link

  96. M. H. F. Bettega, M. T. do N. Varella, M. A. P. Lima, Polarization Effects in the Elastic Scattering of Low-Energy Electrons by XH4 (X: C, Si, Ge, Sn and Pb),
    Phys. Rev. A 68, 012706 (2003) link

  97. C. R. C. de Carvalho, M. T. do N. Varella, E. P. da Silva, M. A. P. Lima, Elastic Positron Scattering by C2H2:
    Differential Cross Sections and Virtual State Formation
    , Phys. Rev. A 68, 062706 (2003) link

  98. M. T. do N. Varella, D. L. Azevedo, M. A. P. Lima, Effective Configurations in Positron-Molecule Scattering, J. Phys. B 35, 3531 (2002) link

  99. M. T. do N. Varella, C. R. C. de Carvalho, M. A. P. Lima, The Schwinger Multichannel Method (SMC) Calculations for Zeff were Off by a Factor of Z,
    Nucl. Instrum. Meth. Phys. Res. B 192, 225 (2002) link

  100. M. T. do N. Varella, C. Winstead, V. McKoy, M. Kitajima, H. Tanaka, Low-energy Electron Scattering by CH3F, CH2F2, CHF3 and CF4,
    Phys. Rev. A 65, 022702 (2002) link

  101. M. T. do N. Varella, C. R. C. de Carvalho, M. A. P. Lima, E. P. da Silva, Annihilation Probability Density in Positron Scattering by Helium, Phys. Rev. A 63, 052705 (2001) link

  102. M. T. do N. Varella, M. H. F. Bettega, A. P. P. Natalense, L. G. Ferreira, M. A. P. Lima, Applications of the Schwinger Multichannel Method with
    Pseudopotentials to Electron Scattering from Polyatomic Molecules II: Rotational Excitation Cross Sections
    , Braz. J. Phys. 31, 21 (2001) link

  103. A. P. P. Natalense, M. T. do N. Varella, M. H. F. Bettega, L. G. Ferreira, M. A. P. Lima, Applications of the Schwinger Multichannel Method with
    Pseudopotentials to Electron Scattering from Polyatomic Molecules I: Elastic Cross Sections
    , Braz. J. Phys. 31, 15 (2001) link

  104. C. R. C. de Carvalho, M. T. do N. Varella, M. A. P. Lima, E. P. da Silva, J. S. E. Germano, Progress with the Schwinger Multichannel Method in
    Positron-Molecule Scattering
    , Nucl. Instrum. Meth. Phys. Res. B 171, 33 (2000) link

  105. A. P. P. Natalense, M. T. do N. Varella, M. H. F. Bettega, L. G. Ferreira, M. A. P. Lima, Elastic and Rotationally Inelastic Cross Sections for
    Low-Energy Electron Scattering by SO2 Molecules
    , J. Phys. B 32, 5523 (1999) link

  106. M. T. do N. Varella, A. P. P. Natalense, M. H. F. Bettega, M. A. P. Lima, Low-energy Electron Scattering by CF4, CCl4, SiCl4, SiBr4 and SiI4, Phys. Rev. A 60, 3684 (1999) link

  107. M. T. do N. Varella, M. H. F. Bettega, M. A. P. Lima, L. G. Ferreira, Low-energy Electron Scattering by H2O, H2S, H2Se and H2Te, J. Chem. Phys. 111, 6396 (1999) link

  108. M. T. do N. Varella, L. G. Ferreira, M. A. P. Lima, Cross Sections for Elastic Scattering of Low-energy Electrons by Trimethylarsine (TMAs), J. Phys. B 32, 2031 (1999) link
  109. '
  110. M. T. do N. Varella, M. H. F. Bettega, A. J. R. da Silva, M. A. P. Lima, Cross Sections for Rotational Excitations of NH3, PH3, AsH3 and SbH3 by Electron Impact,
    J. Chem. Phys. 110, 2452 (1999) link

  111. M. H. F. Bettega, M. T. do N. Varella, L. G. Ferreira, M. A. P. Lima, Elastic Scattering of Low-energy Electrons by Ozone, J. Phys. B 31, 4419 (1998) link

  112. M. T. do N. Varella, M. H. F. Bettega, M. A. P. Lima, Cross Sections for Rotational Excitations of CH4, SiH4, GeH4, SnH4 and PbH4 by Electron Impact, Z. Phys. D 39, 59 (1997) link

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