Trabalhos Aceitos:




Trabalhos Publicados (Periódicos):


2022

Joint experimental and theoretical study on low-energy elastic  electron scattering by gaseous alkynes: Differential cross sections, shape resonances, and methylation effects.
M. A. Khakoo, G. Tatreau, J. G. Childers, K. Oen, J. Fernandez, B. A. Hlousek, M. Zawadzki, F. P. Bardela, L. V. S. Dalagnol, G. M. Moreira, M. H. F. Bettega, e A. S. Barbosa,
Phys. Rev. A 105, 042809 (2022)
Molecular collisions, photoionization and dynamics: honouring Professor Vincent McKoy.
M. H. F. Bettega, S. J. Buckman, M. Khakoo, P. Limão-Vieira e M. T. do N. Varella,
Eur. Phys. J. D 76, 65 (2022). Editorial.
Low-lying electronic states of ethanol investigated by theoretical and synchrotron radiation methods.
A. S. Barbosa, M. Mendes, N. C. Jones, S. V. Hoffmann, M. H. F. Bettega, M. J. Brunger, e P. Limão-Vieira, 
J. Quant. Spectrosc. Radiat. Transf. 285, 108170 (2022)
Low-energy electron collisions with cubane.
T. C. Freitas, G. M. Moreira, A. S. Barbosa e M. H. F. Bettega,
Eur. Phys. J. D 76, 56 (2022)
Low-energy elastic electron scattering cross sections of acrylic acid and its methylated derivatives.
F. F. Frighetto e M. H. F. Bettega,
J. Phys. B 55, 045201 (2022).


2021

Effect of single and double methylation on the position of the π∗ shape resonance of formamide and acetamide.
M. O. Silva, G. M. Moreira, M. H. F. Bettega e S. d'A. Sanchez,
Chem. Phys. 555, 111432 (2022).
A model potential for computing total ionization cross sections of atoms and molecules by electron impact.
A. G. Falkowski, M. H. F. Bettega, M. A. P. Lima e L. G. Ferreira,
Eur. Phys. J. D 75, 308 (2021).
Electron collisions with formic acid.
P. A. S. Randi, G. M. Moreira e M. H. F. Bettega,
Eur. Phys. J. D 75, 306 (2021).
Elastic positron collisions with 1,1-difluoroethylene.
R. O. Lima, G. M. Moreira, A. S. Barbosa, M. H. F. Bettega e S. d'A. Sanchez,
J. Phys. Chem. A 125, 6949 (2021).
Elastic and electronically inelastic electron collisions by the thiophene molecule.
G. M. Moreira, M. H. F. Bettega e R. F. da Costa,
J. Appl. Phys. 129, 203301  (2021).
Elastic positron-uracil scattering cross sections.
G. M. Moreira, R. F. da Costa e M. H. F. Bettega,
Phys. Rev. A 103, 012804 (2021).


2020

A comparison of experimental and theoretical low energy positron scattering from furan.
Z. Cheong,  G. M. Moreira, M. H. F. Bettega, F. Blanco, G. García, M. J. Brunger, R. D. White, e J. P. Sullivan,
J. Chem. Phys. 153, 244303 (2020).
Selective bond breaking of halothane induced by electron transfer in potassium collisions.
A. I. Lozano, L. S. Maioli, B. Pamplona, J. Romero, M. Mendes, F. Ferreira da Silva, F. Kossoski, M. Probst, D. Süß, M. H. F. Bettega, G. García, P. Limão-Vieira,
Phys. Chem. Chem. Phys. 22, 23837 (2020).
Shape Resonances and Elastic Cross Sections in Electron Scattering by CF3Br and CF3I.
M. B. Kiataki, M. T. do N. Varella, M. H. F. Bettega e F. Kossoski,
J. Phys. Chem. A 124, 8660 (2020).
Theoretical and experimental study on scattering of low-energy electrons by dimethyl and diethyl ethers.
G. Tatreau, B. A. Hlousek, M. Zawadzki, M. A. Khakoo , F. P. Bardela, A. S. Barbosa, e M. H. F. Bettega,
J. Phys. B 53, 225202 (2020).
A complete cross section data set for electron scattering by pyridine: modelling electron transport in the energy range 0-100 eV.
F. Costa, A. Traoré-Dubuis, L. Álvarez, A. I. Lozano, X. Ren, A. Dorn, P. Limão-Vieira, F. Blanco, J. C. Oller, A. Muñoz, A. García-Abenza, J. D. Gorfinkiel, A. S. Barbosa, M. H. F. Bettega, P. Stokes, R. D. White, D. B. Jones, M. J. Brunger e G. García,
Int. J. Mol. Sci. 21, 6947 (2020).
Low-Energy-Positron Scattering by Acetone.
R. O. Lima, G. M. Moreira, M. H. F. Bettega e S. d'A. Sanchez,
J. Phys. Chem. A 124, 6790 (2020).
Elastic electron scattering by tetramethylmethane, tetramethylsilane, and tetramethylgermane.
P. A. S. Randi, G. M. Moreira e M. H. F. Bettega,
Phys. Rev. A 102, 022812 (2020).
Electron and Positron Scattering by Formamide Molecule.
M. O. Silva, G. M. Moreira, M. H. F. Bettega e S. d'A. Sanchez,
J. Phys. Chem. A 124, 6009 (2020).
Elastic-electron-scattering from 1,2-ethylenediamine and dimethyldiazene.
M. O. Silva, S. d'A. Sanchez e M. H.F. Bettega,
Eur. Phys. J. D 74, 141 (2020).
Elastic electron scattering by SnCl4 in the low-energy regime.
P. A. S. Randi e M. H. F. Bettega,
J. Appl. Phys. 127, 233301 (2020).
Low-energy electron scattering by cyanamide: anion spectra and dissociation pathways.
L. S. Maioli, F. Kossoski e M. H. F. Bettega,
Phys. Chem. Chem. Phys.  22, 7894 (2020).
Electronic excitation of the 3B2 state of thiophene molecule by low-energy electron collisions.
G. M. Moreira, F. Kossoski, M. H. F. Bettega e R. F. da Costa,
J. Phys. B 53, 085002 (2020).
Electron scattering from allene and 1,2-butadiene.
G. M. Moreira, T. C. Freitas e M. H. F. Bettega,
Eur. Phys. J. D 74, 46 (2020).


2019

Elastic scattering of electrons from chloroform.
B. A. Hlousek, M. F. Martin, M. Zawadzki, M. A. Khakoo, G. M. Moreira, L. S. Maioli, M. H. F. Bettega, L. E. Machado, V. A. S. da Mata, A. J. da Silva, I. Iga, M.-T. Lee e M. G. P. Homem,
Phys. Rev. A 100, 052709 (2019).
Elastic Scattering of Slow Positrons by Pyrazine.
G. M. Moreira e M. H. F. Bettega,
J. Phys. Chem. A 123, 9132 (2019).
Theoretical study on positron scattering by benzene over a broad energy range.
A. S. Barbosa, F. Blanco, G. García e M. H. F. Bettega,
Phys. Rev. A 100, 042705 (2019).
Experimental and theoretical analysis for total electron scattering cross sections of benzene.
F. Costa, L. Alvarez, A. I. Lozano, F. Blanco, J. C. Oller, A. Muñoz, A. S. Barbosa, M. H. F. Bettega, F. Ferreira da Silva, P. Limão-Vieira, R. White, M. J. Brunger e G. García,
J. Chem. Phys. 151, 084310 (2019).
Theoretical and experimental cross sections for electron scattering from halothane.
L. S. Maioli, M. H.F. Bettega, F. Blanco, G. García, E. Lange, P. Limão Vieira e F. Ferreira da Silva,
Eur. Phys. J. D 73, 181 (2019).
Elastic collisions of low-energy positrons with tetrahydrofuran.
A. S. Barbosa e M. H. F. Bettega,
J. Chem. Phys. 150, 184305 (2019)


2018

Low energy vibrationally-elastic scattering of electrons from hexafluoropropene (C3F6).
A. Sakaamini, S. M. Khakoo, B. Hlousek, M. A. Khakoo, M. Zawadzki, M. B. Kiataki, e M. H. F. Bettega,
J. Phys. B 52, 025206 (2019).
An ab initio investigation for elastic and electronically inelastic electron scattering from para-benzoquinone.
R. F. da Costa, J. C. Ruivo, F. Kossoski, M. T. do N. Varella, M. H. F. Bettega, D. B. Jones, M. J. Brunger e M. A. P. Lima.
J. Chem. Phys. 149, 174308 (2018),
Probing the Lowest-Lying Electronic States of Acrylic Acid by Experimental and Theoretical Methods.
M. Mendes, A. S. Barbosa, F. da Silva, N. Jones, S. Hoffmann, G. Garcia, M. H. F. Bettega e P. Limão-Vieira,
J. Phys. Chem. A 122, 8191 (2018).
Total electron scattering cross sections from para-benzoquinone in the energy range 1–200 eV.
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-Vieira, M. A. P. Lima, R. D. White, M. J. Brunger, F. Blanco, A. Muñoz e G. García,
Phys. Chem. Chem. Phys. 20, 22368 (2018).
Integral elastic, vibrational-excitation, electronic-state excitation, ionization and total cross sections for electron scattering from para-benzoquinone.
D. B. Jones, R. F. da Costa, F. Kossoski, M. T. do N Varella, M. H. F. Bettega, G. Garcia, F. Blanco, R. D. White, M. A. P. Lima e M. J. Brunger,
J. Chem. Phys. 148, 204305 (2018).
Experimental and theoretical electron-scattering cross-section data for dichloromethane.
K. Krupa, E. Lange, F. Blanco, A. S. Barbosa, D. F. Pastega, S. d’A. Sanchez, M. H. F. Bettega, G. García, P. Limão-Vieira e F. F. da Silva,
Phys. Rev. A 97, 042702 (2018).
Electron-impact electronic-state excitation of para-benzoquinone.
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,
J. Chem. Phys. 148, 124312 (2018).
Low-energy electron collisions with proline and pyrrolidine: a comparative study.
A. S. Barbosa, T. C. Freitas e M. H. F. Bettega,
J. Chem. Phys. 148, 074304 (2018).


2017

Elastic scattering and vibrational excitation for electron impact on para-benzoquinone.
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,
J. Chem. Phys. 147, 244304 (2017).
Low-energy positron collisions with CH2O...H2O complexes.
G. M. Moreira e M. H. F. Bettega,
Eur. Phys. J. D 71, 333 (2017).
Bound state in positron scattering by allene.
A. S. Barbosa, S. d'A. Sanchez e M. H. F. Bettega,
Phys. Rev. A 96, 062706 (2017).
Low-energy-electron scattering by CH3CN.
L. S. Maioli e M. H. F. Bettega,
Eur. Phys. J. D 71, 322 (2017).
Calculated cross sections for elastic scattering of slow positrons by silane.
A. S. Barbosa e M. H. F. Bettega,
Phys. Rev. A 96, 042715 (2017).
Elastic electron scattering from nitrobenzene.
L. S. Maioli e M. H. F. Bettega,
J. Chem. Phys. 147, 164305 (2017).
Electron scattering by the hydrocarbons C4H6, C5H8, and C6H10.
M. B. Kiataki, D. F. Pastega e M. H. F. Bettega,
Phys. Rev. A 96, 042711 (2017).
Electron collisions with F2CO molecules.
T. C. Freitas, A. S. Barbosa e M. H. F. Bettega,
Phys. Rev. A 96, 012702 (2017).
Substituents' effect in electron attachment to epigenetic modifications of cytosine.
F. B. Nunes, M. H. F. Bettega e S. d'A Sanchez,
J. Chem. Phys. 146, 244314 (2017).
An experimenral and theoretical investigation into the electronically excited states of para-benzoquinone.
D. B. Jones, P. Limão-Vieira, M. Mendes, N. Jones, S. Hoffmann, R. F. da Costa, M. T. do N. Varella, M. H. F. Bettega, F. Blanco, G. Garcia, O. Ingolfsonn, M. A. P. Lima e M. Brunger,
J. Chem. Phys. 146, 184303 (2017).
Shape resonances, virtual state and Ramsauer-Townsend minimum in the low-energy electron collisions with benzene.
A. S. Barbosa e M. H. F. Bettega,
J. Chem. Phys. 146, 154302 (2017).
Transient Negative Ion Spectrum of the Cytosine-Guanine Pair.
F. B. Nunes, M. T. do N. Varella, D. F. Pastega, T. C. de Freitas, M. A. P. Lima, M. H. F. Bettega e S. d'A. Sanchez,
Eur. Phys. J. D 71, 92 (2017).
Elastic electron scattering from ortho-, meta- and paraxylenes, C8H10.
A. Sakaamini, S. M. Khakoo, L. Hargreaves, M. A. Khakoo, D. F. Pastega e M. H. F. Bettega,
Phys. Rev. A 95, 022702 (2017).


2016

Positron and electron scattering by glycine and alanine: shape resonances and methylation effect.
F. B. Nunes, M. H. F. Bettega e S. d'A. Sanchez,
J. Chem. Phys. 145, 214313 (2016).
Valence and Rydberg Excitations of 2,4- and 2,6-Difluorotoluene as Studied by Vacuum Ultraviolet Synchrotron Radiation and Ab Initio Calculations.
A. S. Barbosa, F. F. da Silva, A. Rebelo, S. Hoffmann, M. H. F. Bettega e P. Limão-Vieira,
J. Phys. Chem. A 120, 8998 (2016).
Theoretical and experimental study on electron interactions with chlorobenzene: shape resonances and differential cross sections.
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 e M. H. F. Bettega,
J. Chem. Phys. 145, 084311 (2016).
Electron Scattering by Biomass Molecular Fragments: Useful Data for Plasma Applications?
M. A. Ridenti, J. Amorim Filho, M. J. Brunger, R. F. da Costa, M. T. do N. Varella, M. H. F. Bettega e M. A. P. Lima,
Eur. Phys. J. D 70, 161 (2016).
Collisions of slow electrons with SiF4 and GeF4: Shape resonance, Ramsauer-Townsend minimum, and virtual state.
G. M. Moreira e M. H. F. Bettega,
Phys. Rev. A 93, 062702 (2016).
Halogenation effects on electron collisions with CF3Cl, CF2Cl2 and CFCl3.
T. C. Freitas, A. R. Lopes, A. D. Azeredo e M. H. F. Bettega,
J. Chem. Phys. 144, 164302 (2016).
Elastic scattering of low-energy electrons from toluene.
A. Sakaamini, L. R. Hargreaves, M. A. Khakoo, D. F. Pastega e M. H. F. Bettega,
Phys. Rev. A 93, 042704 (2016).
Integral elastic electronic-state, ionization and total cross sections for electron scattering with furfural.
D. B. Jones, R. F. da Costa, M. T. do N. Varella, M. H. F. Bettega, M. A. P. Lima, F. Blanco, G. Garcia e M. J. Brunger,
J. Chem. Phys. 144, 144303 (2016).
The electron-furfural scattering dynamics for 63 energetically open electronic states.
R. F. da Costa, M. T. do N. Varella, M. H. F. Bettega, R. F. C. Neves, M. C. A. Lopes, F. Blanco, G. Garcia, D. B. Jones, M. J. Brunger e M. A. P. Lima,
J. Chem. Phys. 144, 124310 (2016).
Theoretical and experimental differential cross sections for electron impact excitation of the electronic bands of furfural.
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. Garcia, Paulo Limão-Vieira e M. J. Brunger,
J. Chem. Phys. 144, 124309 (2016).
A combined experimental and theoretical study on the differential elastic scattering cross sections for acetone by 7.0 to 50 eV energy electron impact.
D. F. Pastega, E. Lange, J. Ameixa, A. S. Barbosa, F. Blanco, G. García, M. H. F. Bettega, P. Limão-Vieira e F. F. da Silva,
Phys. Rev. A 93, 032708 (2016).
Elastic cross sections for low-energy electron collisions with tetrahydropyran.
A. S. Barbosa e M. H. F. Bettega,
Eur. Phys. J. D 70, 34 (2016).
Low-energy-electron scattering by carbon tetrachloride.
G. M. Moreira, A. S. Barbosa, D. F. Pastega e M. H. F. Bettega,
J. Phys. B: At. Mol. Opt. Phys. 49, 035202 (2016).


2015

Low-energy positron scattering by pyrimidine.
A. S. Barbosa, D. F. Pastega e M. H. F. Bettega,
J. Chem. Phys. 143, 244316 (2015).
Excitation of vibrational quanta in furfural by intermediate-energy electrons.
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, F. Blanco, G. Garcia e M. J. Brunger,
J. Chem. Phys. 143, 224304 (2015).
Electronic excitation of furfural as probed by high-resolution vacuum ultraviolet spectroscopy, electron energy loss spectroscopy and ab initio calculations.
F. F. da Silva, E. Lange, P. Limão-Vieira, N. Jones, S. 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. Garcia, M. A. P. Lima e D. B. Jones,
J. Chem. Phys. 143, 144308 (2015).
Positron collisions with C3H6 isomers.
F. B. Nunes, M. H. F. Bettega e S. d'A Sanchez,
J. Phys. B: At. Mol. Opt. Phys. 48, 165201 (2015).
Recent advances in the application of the Schwinger multichannel method with pseudopotentials to electron-molecule collisions.
R. F. da Costa, M. T do N. Varella, M. H. F. Bettega e M. A. P. Lima,
Eur. Phys. J. D 69, 159 (2015). Colloquium.
Erratum: Electron collisions with 1-butene and 2-methylpropene molecules.
A. R. Lopes, T. C. Freitas e M. H. F. Bettega,
J. Phys. B: At. Mol. Opt. Phys. 48, 179601 (2015).
Electron collisions with 1-butene and 2-methylpropene molecules.
A. R. Lopes, T. C. Freitas e M. H. F. Bettega,
J. Phys. B: At. Mol. Opt. Phys. 48, 135201 (2015).
Intermediate energy electron impact excitation of composites vibrational modes in phenol.
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 e M. J. Brunger,
J. Chem. Phys. 142, 194302 (2015).
Differential elastic electron scattering by pentane.
K. Fedus, C. Navarro, L. R. Hargreaves, M. A. Khakoo, A. S. Barbosa e M. H. F. Bettega,
Phys. Rev. A 91, 042701 (2015).
Electron collisions with phenol: total, integral, differential and momentum transfer cross sections and the role of multichannel coupling effects on the elastic channel.
R. F. da Costa, E. M. de Oliveira, M. H. F. Bettega, M. T. do N. Varella, D. B. Jones, M. Brunger, F. Blanco, R. Colmenares, P. Limão-Vieira, G. Garcia e M. A. P. Lima,
J. Chem. Phys. 142, 104304 (2015).
Differential cross sections for electron impact excitation of the electronic bands of Phenol.
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, and M. J. Brunger,
J. Chem. Phys. 142, 104305 (2015).


2014

Collisions of low-energy electrons with cyclohexane.
A. S. Barbosa e M. H. F. Bettega,
J. Chem. Phys. 141, 244307 (2014).
Electron collisions with ethylene: the role of multichannel coupling effects.
R. F. da Costa, M. H. F. Bettega, M. T. do N. Varella, E. M. de Oliveira e M. A. P. Lima,
Phys. Rev. A 90, 052707 (2014).
Low-energy elastic scattering from isobutanol and related alkyl amines.
K. Fedus, C. Navarro, L. R. Hargreaves, M. A. Khakoo, F. M. Silva, M. H. F. Bettega, C. Winstead e V. McKoy,
Phys. Rev. A 90, 032708 (2014).
An experimental and theoretical investigation into the excited electronic states of phenol.
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 e M. J. Brunger,
J. Chem. Phys. 141, 074314 (2014).
Transient anions states of phenol...(H2O)n (n=1, 2) complexes: search for microsolvation signatures.
E. M. Oliveira, T. C. Freitas, K. Coutinho, M. T. do N. Varella, S. Canuto, M. A. P. Lima e M. H. F. Bettega,
J. Chem. Phys. 141, 051105 (2014).
Elastic scattering of low-energy electrons by 1,4-dioxane.
A. S. Barbosa e M. H. F. Bettega,
J. Chem. Phys. 140, 184303 (2014).
Elastic scattering of slow electrons by n-pentanol alcohol.
E. M. de Oliveira, M. T. do N. Varella, M. H. F. Bettega e M. A. P. Lima,
Eur. Phys. J. D 68, 65 (2014).
Elastic scattering of low-energy electrons by BF3.
D. F. Pastega, R. F. da Costa, M. A. P. Lima e M. H. F. Bettega,
Eur. Phys. J. D 68, 20 (2014).
Low-energy positron and electron scattering by methylamine.
F. M. SIlva, M. H. F. Bettega e S. d'A Sanchez,
Eur. Phys. J. D 68, 12 (2014).
Shape resonance spectra of uracil, 5-fluorouracil and 5-chlorouracil.
F. Kossoski, M. H. F. Bettega e M. T. do N. Varella,
J. Chem. Phys. 140, 024317(2014).


2013

Shape resonances in low-energy-electron collisions with halopyrimidines.
A. S. Barbosa e M. H. F. Bettega,
J. Chem. Phys. 139, 214301 (2013).
Positron and electron collisions with nitrous oxide: measured and calculated cross sections.
L. Chiari, A. Zecca, E. Trainotti, G. Garcia, F. Blanco, M. H. F. Bettega, S. d'A. Sanchez, M. T. do N Varella, M. A. P. Lima e M. J. Brunger,
Phys. Rev. A 88, 022708 (2013).
Low-energy positron scattering from iodomethane.
M. T. do N Varella, S. d'A. Sanchez, M. H. F. Bettega, M. A. P. Lima, L. Chiari, A. Zecca, E. Trainotti e M. J. Brunger,
J. Phys. B 45, 175202 (2013).
Shape resonances in the elastic scattering of slow electrons by pyridine.
A. S. Barbosa, D. F. Pastega e M. H. F. Bettega,
Phys. Rev. A 88, 022705 (2013).
Low-energy electron scattering from the aza-derivatives of pyrrole, furan and thiophene.
F. Kossoski e M. H. F. Bettega,
J. Chem. Phys. 138, 234311 (2013).
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).
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).
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).
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).


2012

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).
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).
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).
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).
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).
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).


2011

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).
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).
Elastic collisions of low-energy electrons with SiY4 (Y=Cl, Br, I) molecules.
M. H. F. Bettega,
Phys. Rev. A 84, 052725 (2011).
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).
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).
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).


2010

Low-energy electron scattering from C4H9OH isomers.
M. H. F. Bettega, C. Winstead e V. McKoy,
Phys. Rev. A 82, 062709 (2010).
Collisions of low-energy electrons with formamide.
M. H. F. Bettega,
Phys. Rev. A 81, 062717 (2010).
Low-energy electron electron scattering from furan. 
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).
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).
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).


2009

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).
Scattering of low-energy electrons by C2H4O.
T. C. Freitas e M. H. F. Bettega,
Phys. Rev. A 79, 042714 (2009).
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).
Low-energy electron collisions with acetic acid.
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, 022706 (2009).


2008

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).
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).
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).
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).
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).
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).


2007

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).
Electron collisions with furan.
M. H. F. Bettega e M. A. P. Lima,
J. Chem. Phys. 126, 194317 (2007).
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). 


2006

Low-energy electron collisions with formic acid.
M. H. F. Bettega,
Phys. Rev. A 74, 054701 (2006).
Low-energy electron scattering by N2O.
M. H. F. Bettega, C. Winstead e V. McKoy,
Phys. Rev. A 74, 022711 (2006).
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).
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).
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).
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).


2005

Elastic electron scattering by ethylene, C2H4.
C. Winstead, V. McKoy e M. H. F. Bettega,
Phys. Rev. A 72, 042721 (2005).
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).
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).
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).


2004

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).
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).
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. 
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).


2003

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).
Low-energy electron scattering by methylsilane.
M. H. F. Bettega, C. Winstead e V. McKoy,
J. Chem. Phys. 119, 859 (2003).
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).
Elastic scattering of low-energy electrons by C3H4 isomers.
A. R. Lopes e M. H. F. Bettega,
Phys. Rev. A 67, 032711 (2003).
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).
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).


2002

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).
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).


2001

Low-energy electron scattering by C2HF5.
M. H. F. Bettega, C. Winstead e V. McKoy,
J. Chem. Phys. 114, 6672 (2001).
Low-energy electron scattering by CS2 molecules.
M. H. F. Bettega,
Aust. J. Phys. 53, 785 (2001).
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).
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).


2000

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).
Low-energy electron scattering by boron trihalides.
M. H. F. Bettega,
Phys. Rev. A 62, 024701 (2000).
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).
Elastic scattering of low-energy electrons by benzene.
M. H. F. Bettega, C. Winstead e V. McKoy,
J. Chem. Phys. 112, 8806 (2000) .
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).
Elastic scattering of low-energy electrons by boron trihalides.
M. H. F. Bettega,
Phys. Rev. A 61, 042703 (2000) .


1999

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).
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).
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).
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).
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).


1998

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).
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) .
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) .
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).
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).


1997

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).


1996

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).
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).


1995

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).
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).


1993

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):

Positron collisions with targets of biological and technological relevance.
A. S. Barbosa, S. d'A Sanchez, e M. H. F. Bettega,
J. Phys.: Conference Series 1412, 052001 (2020). XXXI International Conference on Photonic, Electronic and Atomic Collisions. IOP Publishing.
Elastic scattering of low-energy electrons by tetrahydropyran.
A. S. Barbosa e M. H. F. Bettega,
J. Phys.: Conference Series 635, 012016 (2015). XXIX International Conference on Photonic, Electronic and Atomic Collisions. IOP Publishing.
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.
Electronic excitation of the 1B2 state of furan by electron impact.
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.
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.
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.
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).
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).



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