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- W2079553933 abstract "The usual model of the chemistry of the lower ionosphere is inadequate to explain many observed phenomena. When this model is updated by the addition of associative detachment (O2− + O → O3 + e) and collisional detachment by excited O2(O2− + O2(1Δg) → 2O2 + e), the disagreement between theory and experiment becomes larger instead of smaller. In this paper we postulate the existence of a second (unidentified) negative ion, X−, formed symbolically by O2− + X → X− + O2, with rate vx. The product vx[X] is calculated as a function of altitude from daytime PCA data, and the two-ion model is then applied to twilight and nighttime PCA conditions and to nighttime nuclear burst conditions. Adequate agreement between theory and experiment is obtained for all conditions. The existence of a second negative ion, therefore, seems well supported by this study, but the identity of X− remains unknown. Cтaндapтнaя мoдeль чимии нижнич cлoeb иoнocфepы нe дocтaтoЧнo кoмпeтeнтнa, Чтoбы oбъяcнить мнoгиe нaблюдaeмыe яbлeния, Кoгдa этa мoдeль ycobepшeнcтbobaнa пyтeм дoбabлeния accoциaтиbнoгo oтcлoeния (O2− + O → O3 + e) и coyдapяeмoгo oтcлoeния boзбyждeнным O2 (O2− + O2(1Δg → 2O2 + e, тo pacчoждeниe мeждy тeopиeй Й пpaктикoй ybeлиЧиbaeтcя bмecтo тoгo, Чтoбы yмeньшaтьcя. b этoй cтaтьe мы иcчoдим из пpeдпoлoжeния, Чтo cyщecтbyeт bтopoй (нeoнoзнaнный) oтpицaтeльный иoн, X−, cимboлиЧecки coздabaeмый пocpeдcтboм O2− + X → X− + O2, co cкopocтью vx. Пpoизbeдeниe vx[X] кaлькyлиpyeтcя b кaЧecтbe фyнкции bыcoты нa ocнobaнии инфopмaции oтнocитeльнo пoглoщeния b пoляpнoй шaпкe днeм, пpиЧeм дbyчиoннaя мoдeль тoгдa пpимeняeтcя b cyepeЧныч и нoЧныч ycлobияч пoглoщeния b п.ш., a тaкжe b ycлobияч ядepныч bзpыbob нoЧью. bo bceч ycлobияч тeopия и пpaктикa aдeкbaтнo coглacyютcя. Пoэтoмy cyщecтbobaниe bтopoгo oтpицaтeльнoгo иoнa пobидимoмy bпoлнe пoдтbepждaeтcя этим иccлeдobaниeм, нo тeм нe мeнee пoдлиннocть X− ocтaeтcя нeпoдтbepждeннoй." @default.
- W2079553933 created "2016-06-24" @default.
- W2079553933 creator A5016188390 @default.
- W2079553933 creator A5041053579 @default.
- W2079553933 date "1967-07-01" @default.
- W2079553933 modified "2023-10-14" @default.
- W2079553933 title "A two-ion D-region model for polar cap absorption events" @default.
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- W2079553933 doi "https://doi.org/10.1016/0032-0633(67)90097-9" @default.
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