Dissociative recombination of N2H+ ions with electrons in the temperature range of 80-350 K

被引：6

作者：

Shapko, Dmytro ^{[1
]}

Dohnal, Petr ^{[1
]}

Kassayova, Miroslava ^{[1
]}

Kalosi, Abel ^{[1
]}

Rednyk, Serhiy ^{[1
]}

Roucka, Stepan ^{[1
]}

Plasil, Radek ^{[1
]}

Augustovicova, Lucie D. ^{[2
]}

Johnsen, Rainer ^{[3
]}

Spirko, Vladimir ^{[2
,4
]}

Glosik, Juraj ^{[1
]}

机构：

[1] Charles Univ Prague, Fac Math & Phys, Dept Surface & Plasma Sci, Prague, Czech Republic

[2] Charles Univ Prague, Fac Math & Phys, Dept Chem Phys & Opt, Prague, Czech Republic

[3] Univ Pittsburgh, Dept Phys & Astron, Pittsburgh, PA 15260 USA

[4] Czech Acad Sci, Inst Organ Chem & Biochem, Prague, Czech Republic

来源：

JOURNAL OF CHEMICAL PHYSICS | 2020年 / 152卷 / 02期

关键词：

CAVITY RINGDOWN SPECTROSCOPY; PROTON-TRANSFER REACTIONS; STRETCHING VIBRATIONS; ENERGY-DEPENDENCE; RATE COEFFICIENTS; MOLECULAR-IONS; RATE CONSTANTS; DIPOLE-MOMENT; FLOW TUBE; PRESSURE;

D O I：

10.1063/1.5128330

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Recombination of N2H+ ions with electrons was studied using a stationary afterglow with a cavity ring-down spectrometer. We probed in situ the time evolutions of number densities of different rotational and vibrational states of recombining N2H+ ions and determined the thermal recombination rate coefficients for N2H+ in the temperature range of 80-350 K. The newly calculated vibrational transition moments of N2H+ are used to explain the different values of recombination rate coefficients obtained in some of the previous studies. No statistically significant dependence of the measured recombination rate coefficient on the buffer gas number density was observed. Published under license by AIP Publishing.

引用

页数：11

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