2011
DOI: 10.1103/physreva.84.032709
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Absorption effects in electron–sulfur-dioxide collisions

Abstract: A joint experimental-theoretical study on electron-SO 2 collisions in the low and intermediate energy range is reported. More specifically, experimental elastic differential, integral, and momentum transfer cross sections in absolute scale are measured in the 100-1000 eV energy range using the relative-flow technique. Calculated elastic differential, integral, and momentum transfer cross sections as well as grand-total and total absorption cross sections are also presented in the 1-1000 eV energy range. A comp… Show more

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Cited by 16 publications
(19 citation statements)
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References 58 publications
(124 reference statements)
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“…Inspecting the range of incident energy it is quite clear that a single theoretical formalism cannot be employed for the entire energy range, hence we have partitioned the work into two prime energy regimes. Below 15 eV, we carried out ab initio calculations with a fixed nuclei approximation employing the UK molecular R-matrix method through QUANTEMOL-N software [13] and above the threshold of the target we employ the well-established SCOP formalism [14][15][16]. The two formalisms give consistent results at the transition energy (∼11 eV), enabling us to provide cross sections over such a wide range that such data will serve as an important database.…”
Section: Introductionmentioning
confidence: 99%
“…Inspecting the range of incident energy it is quite clear that a single theoretical formalism cannot be employed for the entire energy range, hence we have partitioned the work into two prime energy regimes. Below 15 eV, we carried out ab initio calculations with a fixed nuclei approximation employing the UK molecular R-matrix method through QUANTEMOL-N software [13] and above the threshold of the target we employ the well-established SCOP formalism [14][15][16]. The two formalisms give consistent results at the transition energy (∼11 eV), enabling us to provide cross sections over such a wide range that such data will serve as an important database.…”
Section: Introductionmentioning
confidence: 99%
“…Thus reviewing previous work on e-SO 2 scattering it is notable that there are more experimental data [6][7][8][9][10][11]13,17] than theoretical investigations [11,12,14,15,17]. The other notable fact is that although e-SO 2 has been studied over a wide range of impact energies, all of the previous groups have carried out work over a limited range of impact energies.…”
Section: Introductionmentioning
confidence: 99%
“…Very recently Machado et al [17] reported the results of a joint theoretical (1-1000 eV) and experimental (100-1000 eV) study to determine total cross sections for e-SO 2 scattering. It should be noted that these earlier theoretical works [14][15][16][17] were not able to predict the shape resonance reported in Refs. [12,13].…”
Section: Introductionmentioning
confidence: 99%
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