The ammonia absorption spectrum revisited between 5650 and 6350 cm-1

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61388955%3A_____%2F24%3A00578228" target="_blank" >RIV/61388955:_____/24:00578228 - isvavai.cz</a>

Výsledek na webu

<a href="https://www.tandfonline.com/doi/abs/10.1080/00268976.2023.2256893" target="_blank" >https://www.tandfonline.com/doi/abs/10.1080/00268976.2023.2256893</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1080/00268976.2023.2256893" target="_blank" >10.1080/00268976.2023.2256893</a>

Jazyk výsledku

angličtina

Název v původním jazyce

The ammonia absorption spectrum revisited between 5650 and 6350 cm-1

Popis výsledku v původním jazyce

The ammonia spectrum is revisited in the important 1.6 mu m atmospheric transparency window between 5650 and 6350 cm(-1) on the basis of recently recorded high-resolution Fourier transform spectra. These spectra offer an improved frequency sampling and better traceability of the measurement conditions compared to previously studied Kitt Peak spectra (Cacciani et al. J. Quant Spectrosc Radiat Transf 2021, 258:107334. https://doi.org/10.1016/j.jqsrt.2020.107334). Overall, 4812 (NH3)-N-14 lines were measured in the 5650-6350 cm(-1) region corresponding to 4866 transitions including 2066 new ones compared with our previous study, included in the HITRAN2020 database. The energy of 1023 upper state levels (including 107 new ones) was derived from 2608 assigned transitions. Independently, ammonia spectra recorded in a supersonic jet expansion using a tunable extended cavity diode laser allow us to check the absolute transition energies in the 5980-6080 cm(-1) range. Accurate jet spectra calibration was achieved using CH4 reference line positions known with kHz accuracy. The position agreement with the FTS data is within the 4 x 10(-4) cm(-1) uncertainty of the positions measured in the jet expansion. A recommended line list of 5620 transitions is provided for (NH3)-N-14 in the considered 5650- 6350 cm(-1) region.

Název v anglickém jazyce

The ammonia absorption spectrum revisited between 5650 and 6350 cm-1

Popis výsledku anglicky

The ammonia spectrum is revisited in the important 1.6 mu m atmospheric transparency window between 5650 and 6350 cm(-1) on the basis of recently recorded high-resolution Fourier transform spectra. These spectra offer an improved frequency sampling and better traceability of the measurement conditions compared to previously studied Kitt Peak spectra (Cacciani et al. J. Quant Spectrosc Radiat Transf 2021, 258:107334. https://doi.org/10.1016/j.jqsrt.2020.107334). Overall, 4812 (NH3)-N-14 lines were measured in the 5650-6350 cm(-1) region corresponding to 4866 transitions including 2066 new ones compared with our previous study, included in the HITRAN2020 database. The energy of 1023 upper state levels (including 107 new ones) was derived from 2608 assigned transitions. Independently, ammonia spectra recorded in a supersonic jet expansion using a tunable extended cavity diode laser allow us to check the absolute transition energies in the 5980-6080 cm(-1) range. Accurate jet spectra calibration was achieved using CH4 reference line positions known with kHz accuracy. The position agreement with the FTS data is within the 4 x 10(-4) cm(-1) uncertainty of the positions measured in the jet expansion. A recommended line list of 5620 transitions is provided for (NH3)-N-14 in the considered 5650- 6350 cm(-1) region.

Druh

J_imp - Článek v periodiku v databázi Web of Science

CEP obor

—

OECD FORD obor

10403 - Physical chemistry

Projekt

—

Návaznosti

I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Rok uplatnění

2024

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název periodika

Molecular Physics

ISSN

0026-8976

e-ISSN

1362-3028

Svazek periodika

122

Číslo periodika v rámci svazku

7-8

Stát vydavatele periodika

GB - Spojené království Velké Británie a Severního Irska

Počet stran výsledku

22

Strana od-do

e2256893

Kód UT WoS článku

001070528400001

EID výsledku v databázi Scopus

2-s2.0-85171551147