L. Benatto, R. B. Ribeiro, G. C. Q. da Silva, J. P. A. Souza, J. L. B. Rosa, M. T. do N. Varella, G. Candiotto, M. Koehler, M. G. Menezes , Beyond the 2/3 Approximation: A Multiscale Evaluation of the FRET Orientation Factor in Nonfullerene Acceptors, J. Mater. Chem. A, accepted, DOI: 10.1039/D5TA08634E (2026).
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L. Martins, M. Bergami, J. Charry, A. Reyes, K. Coutinho, M. T. do N. Varella, Positronium Atoms Solvated in Liquid Alcohols: A Multicomponent Quantum Mechanics/Molecular Mechanics Approach, J. Phys. Chem. B, 129, 12503 (2025).
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R. Porras-Roldan, J. Charry, F. Moncada, R. Flores-Moreno, M. T. do N. Varella, A. Reyes, Watch out electrons!: Positron Binding Redefines Chemical Bonding in Be2, Chem. Sci., 16, 22322 (2025).
link Highlighted: 2025 Chemical Science Covers link Highlighted: 2025 ChemSci Pick of the Week Collection link Highlighted: 2025 Chemical Science HOT Article Collection link Highlighted: Chemical Science community collection link
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, 129, 5887 (2025).
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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
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
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
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
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).
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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
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: 2024 PCCP HOT Article: link
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
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
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).
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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).
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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).
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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 Highlighted: Celebrating Latin American Chemistry themed collection link
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).
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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).
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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
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).
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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 Highlighted: Issue Front Cover link
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
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
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).
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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
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
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
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
F. Moncada, L. Pedraza-González, J. Charry, M. T. do N. Varella, A. Reyes,
Covalent bonds in positron dihalides, Chem. Sci. 11, 44 (2020).
link Highlighted: 2019 ChemSci Pick of the Week Collection link Highlighted: 2019 Chemical Science HOT Article Collection link Highlighted: Celebrating Latin American Talent in Chemistry link
F. Kossoski, M. T. do N. Varella, M. Barbatti, On-the-fly dynamics simulations of transient
anions , J. Chem. Phys. 151, 224104 (2019).
link
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
F. Kossoski, M. T. do N. Varella, Precursor anion states in dissociative electron
attachment to chlorophenol isomers , J. Chem. Phys. 145, 044310 (2016).
link
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
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
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
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
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
F. Kossoski, M. T. do N. Varella, Negative ion states of 5-bromouracil and
5-iodouracil, Phys. Chem. Chem. Phys. 17, 17271 (2015).
link
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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)
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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
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)
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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)
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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)
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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)
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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)
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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)
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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)
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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)
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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)
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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)
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M. T. do N. Varella, D. L. Azevedo, M. A. P. Lima, Effective Configurations in Positron-Molecule Scattering, J. Phys. B 35, 3531 (2002)
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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)
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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)
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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)
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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)
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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)
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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)
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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)
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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)
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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)
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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)
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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)
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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)
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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)
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