1974
DOI: 10.1088/0022-3700/7/1/001
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Interaction of low-energy positrons with molecular nitrogen

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Cited by 29 publications
(9 citation statements)
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“…Reid and Wadehra computed the total cross section ( Q tot ) for the set of atoms and molecules (C, N, O, C 2 , N 2 and O 2 ) in the energy range from 100 to 5000 eV, using the independent atom model (IAM). There are several studies reported for e + -N 2 scattering in the literature. Similarly for O 2 , there exist previous experimental results from Marler et al, Katayama et al and Dababneh et al and theoretical results from De-Heng et al and Raj . Thus, it is quite evident that N 2 and O 2 are relatively well studied molecules in comparison to other targets chosen for the present study.…”
Section: Introductionsupporting
confidence: 59%
“…Reid and Wadehra computed the total cross section ( Q tot ) for the set of atoms and molecules (C, N, O, C 2 , N 2 and O 2 ) in the energy range from 100 to 5000 eV, using the independent atom model (IAM). There are several studies reported for e + -N 2 scattering in the literature. Similarly for O 2 , there exist previous experimental results from Marler et al, Katayama et al and Dababneh et al and theoretical results from De-Heng et al and Raj . Thus, it is quite evident that N 2 and O 2 are relatively well studied molecules in comparison to other targets chosen for the present study.…”
Section: Introductionsupporting
confidence: 59%
“…It has been shown byPaul and Leung (16),Tao (35) and Coleman et a/ (38). that in nitrogen the thermalization is mainly determined by rotational excitation and de-excitation below the vibrational threshold at 0.29 eV and Coleman et al(38) have deduced rotational cross sections in good agreement with the calculations of Darewych and Baille(18) and of Hara(39). The shoulder is, in fact, a result of the relatively small separation between the rotational levels in Nz…”
supporting
confidence: 62%
“…Darewych and Baille (18) for nitrogen that, for direct annihilation, Z,,,(t) remains close to its minimum value as t + 0 . On assuming, therefore, that Z,,.,.…”
Section: Lifetime Parametersmentioning
confidence: 96%
“…2 we present the t of Eq. (4) using the elastic scattering cross-sections and the s-wave phase-shifts derived in this work to ab initio calculations of Z eff for argon by McEachran et al [30] and nitrogen by Darewych and Baille [31]. In particular, the dataset of McEachran is a reliable reference because it was proved to be in very good agreement with experiment by Kurz et al [32].…”
Section: Table Isupporting
confidence: 52%
“…Annihilation Z eff for argon (Ar) and molecular nitrogen (N2) as a function of positron energy. The data are from McEachran et al [30] (circles), Gribakin [29] (open squares) and Darewych and Baille [31]. The solid and dashed lines present the prediction of Eq.…”
Section: Table Imentioning
confidence: 96%