Perturbations in the A1Π, v = 0 state of 12C18O investigated via complementary spectroscopic techniques

Madhu Trivikram; R. Hakalla; A.N. Heays; M. Niu; S. Scheidegger; E.J. Salumbides; N.  de Oliveira; R.W. Field; W.  Ubachs

doi:10.1080/00268976.2017.1356477

Perturbations in the A1Π, v = 0 state of 12C18O investigated via complementary spectroscopic techniques

Madhu Trivikram, R. Hakalla, A.N. Heays, M. Niu, S. Scheidegger, E.J. Salumbides, N. de Oliveira, R.W. Field, W. Ubachs

Research output: Contribution to Journal › Article › Academic › peer-review

Abstract

The A1Π(v = 0) level of 12C18O has been reinvestigated using three different high-resolution spectroscopic methods: (1) 2 + 1′ resonance-enhanced multiphoton ionisation of the A1Π − X1Σ+(0, 0) band using narrowband lasers in a Doppler-free geometry; (2) Fourier-transform emission spectroscopy in the visible range probing the B1Σ+ − A1Π(0, 0) band in a discharge; (3) Fourier-transform absorption spectroscopy in the vacuum-ultraviolet range measuring the A1Π − X1Σ+(0, 0) and B1Σ+ − X1Σ+(0, 0) bands at multiple temperatures ranging from 90 to 900 K. An effective-Hamiltonian analysis of A1Π, v = 0 levels was performed up to J = 44 which quantitatively addresses perturbations by the e 3Σ−(v = 1), d3Δ(v = 4), a′3Σ+(v = 9), D 1Δ(v = 0), and I 1Σ−(v = 0, 1) levels.

Original language	English
Pages (from-to)	3178-3191
Number of pages	14
Journal	Molecular Physics
Volume	115
Issue number	24
DOIs	https://doi.org/10.1080/00268976.2017.1356477
Publication status	Published - 4 Aug 2017

Funding

H2020 European Research Council [grant number ERC Advanced Grant 670168]; Horizon 2020 Framework Programme [grant number EUH2020-RIP-654148], [grant number SPF-284464]; Nederlandse Organisatie voor Wetenschap-pelijk Onderzoek [Dutch Astrochemistry Network (project number: 648.000.001)]; US National Science Foundation [grant number CH3-1361865]; Carpathian Regional Operational Program [grant number RPPK.01.03.00-18-001/10]; PSL Research University Paris [Postdoctoral Fellowship] The authors are grateful to the general and technical staff of SOLEIL for providing beam time under project numbers 20120653 and 20160118. This work was supported by Dutch Astrochemistry Program of NWO. R. Hakalla thanks LASERLAB-EUROPE for support of this research (grant numbers EUH2020-RIP-654148 and EC’s-SPF-284464) as well as European Regional Development Fund and the Polish state budget within the framework of the Carpathian Regional Operational Programme (RPPK.01.03.00-18-001/10) through the funding of the Center for Innovation and Transfer of Natural Science and Engineering Knowledge of the University of Rzeszów. A.N. Heays was supported for this work by the postdoctoral fellowship program of PSL Research University Paris. W. Ubachs acknowledges financial support from the European Research Council (ERC) under the European Union’s Horizon 2020 research and innovation programme (grant agreement number 670168). R.W. Field thanks the US National Science Foundation (grant number CH3-1361865) for support of his research, which includes substantial collaborations. H2020 European Research Council [grant number ERC Advanced Grant 670168]; Horizon 2020 Framework Programme [grant number EUH2020-RIP-654148], [grant number SPF-284464]; Nederlandse Organisatie voor Wetenschappelijk Onderzoek [Dutch Astrochemistry Network (project number: 648.000.001)]; US National Science Foundation [grant number CH3-1361865]; Carpathian Regional Operational Program [grant number RPPK.01.03.00-18-001/10]; PSL Research University Paris [Postdoctoral Fellowship] The authors are grateful to the general and technical staff of SOLEIL for providing beam time under project numbers 20120653 and 20160118. This work was supported by Dutch Astrochemistry Program of NWO. R. Hakalla thanks LASERLAB-EUROPE for support of this research (grant numbers EUH2020-RIP-654148 and EC's-SPF-284464) as well as European Regional Development Fund and the Polish state budget within the framework of the Carpathian Regional Operational Programme (RPPK.01.03.00-18-001/10) through the funding of the Center for Innovation and Transfer of Natural Science and Engineering Knowledge of the University of Rzeszów. A.N. Heays was supported for this work by the postdoctoral fellowship program of PSL Research University Paris. W. Ubachs acknowledges financial support from the European Research Council (ERC) under the European Union's Horizon 2020 research and innovation programme (grant agreement number 670168). R.W. Field thanks the US National Science Foundation (grant number CH3-1361865) for support of his research, which includes substantial collaborations.

Funders	Funder number
Carpathian Regional Operational Program
Dutch Astrochemistry Network	648.000.001
Dutch Astrochemistry Program of NWO
National Science Foundation	CH3-1361865
Horizon 2020 Framework Programme	SPF-284464, 670168, 654148
H2020 European Research Council
European Research Council
Nederlandse Organisatie voor Wetenschappelijk Onderzoek
Horizon 2020
European Regional Development Fund	RPPK.01.03.00-18-001/10
Université de Recherche Paris Sciences et Lettres	20120653, 20160118

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title = "Perturbations in the A1Π, v = 0 state of 12C18O investigated via complementary spectroscopic techniques",

abstract = "The A1Π(v = 0) level of 12C18O has been reinvestigated using three different high-resolution spectroscopic methods: (1) 2 + 1′ resonance-enhanced multiphoton ionisation of the A1Π − X1Σ+(0, 0) band using narrowband lasers in a Doppler-free geometry; (2) Fourier-transform emission spectroscopy in the visible range probing the B1Σ+ − A1Π(0, 0) band in a discharge; (3) Fourier-transform absorption spectroscopy in the vacuum-ultraviolet range measuring the A1Π − X1Σ+(0, 0) and B1Σ+ − X1Σ+(0, 0) bands at multiple temperatures ranging from 90 to 900 K. An effective-Hamiltonian analysis of A1Π, v = 0 levels was performed up to J = 44 which quantitatively addresses perturbations by the e 3Σ−(v = 1), d3Δ(v = 4), a′3Σ+(v = 9), D 1Δ(v = 0), and I 1Σ−(v = 0, 1) levels.",

author = "Madhu Trivikram and R. Hakalla and A.N. Heays and M. Niu and S. Scheidegger and E.J. Salumbides and {de Oliveira}, N. and R.W. Field and W. Ubachs",

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AU - Hakalla, R.

AU - Heays, A.N.

AU - Niu, M.

AU - Scheidegger, S.

AU - Salumbides, E.J.

AU - de Oliveira, N.

AU - Field, R.W.

AU - Ubachs, W.

PY - 2017/8/4

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N2 - The A1Π(v = 0) level of 12C18O has been reinvestigated using three different high-resolution spectroscopic methods: (1) 2 + 1′ resonance-enhanced multiphoton ionisation of the A1Π − X1Σ+(0, 0) band using narrowband lasers in a Doppler-free geometry; (2) Fourier-transform emission spectroscopy in the visible range probing the B1Σ+ − A1Π(0, 0) band in a discharge; (3) Fourier-transform absorption spectroscopy in the vacuum-ultraviolet range measuring the A1Π − X1Σ+(0, 0) and B1Σ+ − X1Σ+(0, 0) bands at multiple temperatures ranging from 90 to 900 K. An effective-Hamiltonian analysis of A1Π, v = 0 levels was performed up to J = 44 which quantitatively addresses perturbations by the e 3Σ−(v = 1), d3Δ(v = 4), a′3Σ+(v = 9), D 1Δ(v = 0), and I 1Σ−(v = 0, 1) levels.

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Perturbations in the A1Π, v = 0 state of 12C18O investigated via complementary spectroscopic techniques

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