Resonances in Low-Energy Electron Collisions with Salicylic Acid
Valéria Liberti
1, 2, 3, 4, 5
,
Pedro A. S. Randi
1, 2, 3, 4, 5
,
P. A. S. Randi
4, 5
,
M. H. F. Bettega
1, 2, 3, 4, 5
,
Alessandra Barbosa
1, 2, 3, 4, 5
2
Departamento de Física
3
Universidade Federal do Paraná
|
4
Departamento de Física, Curitiba, Brazil
|
Publication type: Journal Article
Publication date: 2025-01-28
scimago Q2
wos Q2
SJR: 0.634
CiteScore: 4.8
Impact factor: 2.8
ISSN: 10895639, 15205215
Abstract
In this work, we report elastic integral, differential, and momentum-transfer cross sections for the scattering of low-energy electrons by salicylic acid. The cross sections were calculated with the Schwinger multichannel method implemented with norm-conserving pseudopotential within the static-exchange and static-exchange plus polarization (SEP) approximations for energies up to 15 eV. In the SEP approximation, four π* resonances were found at around 0.023, 1.27, 3.60, and 6.80 eV. While the first three are shape resonances, the latter has a mixed shape and core-excited shape character. We compare our results with available measurements in the literature, and we also discuss the role of the second resonance in the production of [M-H]− and [M-H2]− species through dissociative electron attachment.
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Liberti V. et al. Resonances in Low-Energy Electron Collisions with Salicylic Acid // Journal of Physical Chemistry A. 2025. Vol. 129. No. 5. pp. 1361-1367.
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Liberti V., Randi P. A. S., Randi P. A. S., Bettega M. H. F., Barbosa A. Resonances in Low-Energy Electron Collisions with Salicylic Acid // Journal of Physical Chemistry A. 2025. Vol. 129. No. 5. pp. 1361-1367.
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TY - JOUR
DO - 10.1021/acs.jpca.4c07822
UR - https://pubs.acs.org/doi/10.1021/acs.jpca.4c07822
TI - Resonances in Low-Energy Electron Collisions with Salicylic Acid
T2 - Journal of Physical Chemistry A
AU - Liberti, Valéria
AU - Randi, Pedro A. S.
AU - Randi, P. A. S.
AU - Bettega, M. H. F.
AU - Barbosa, Alessandra
PY - 2025
DA - 2025/01/28
PB - American Chemical Society (ACS)
SP - 1361-1367
IS - 5
VL - 129
SN - 1089-5639
SN - 1520-5215
ER -
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@article{2025_Liberti,
author = {Valéria Liberti and Pedro A. S. Randi and P. A. S. Randi and M. H. F. Bettega and Alessandra Barbosa},
title = {Resonances in Low-Energy Electron Collisions with Salicylic Acid},
journal = {Journal of Physical Chemistry A},
year = {2025},
volume = {129},
publisher = {American Chemical Society (ACS)},
month = {jan},
url = {https://pubs.acs.org/doi/10.1021/acs.jpca.4c07822},
number = {5},
pages = {1361--1367},
doi = {10.1021/acs.jpca.4c07822}
}
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MLA
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Liberti, Valéria, et al. “Resonances in Low-Energy Electron Collisions with Salicylic Acid.” Journal of Physical Chemistry A, vol. 129, no. 5, Jan. 2025, pp. 1361-1367. https://pubs.acs.org/doi/10.1021/acs.jpca.4c07822.