Breakdown of the two-step model in k-shell photoemission and subsequent decay probed by the molecular-frame photoelectron angular distributions of CO2

X. J. Liu; H. Fukuzawa; T. Teranishi; A. De Fanis; M. Takahashi; H. Yoshida; A. Cassimi; A. Czasch; L. Schmidt; R. Dörner; K. Wang; B. Zimmermann; V. McKoy; I. Koyano; N. Saito; K. Ueda

doi:10.1103/PhysRevLett.101.083001

Breakdown of the two-step model in k-shell photoemission and subsequent decay probed by the molecular-frame photoelectron angular distributions of CO2

X. J. Liu, H. Fukuzawa, T. Teranishi, A. De Fanis, M. Takahashi, H. Yoshida, A. Cassimi, A. Czasch, L. Schmidt, R. Dörner, K. Wang, B. Zimmermann, V. McKoy, I. Koyano, N. Saito, K. Ueda

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24 Citations (Scopus)

Abstract

We report results of measurements and of Hartree-Fock level calculations of molecular-frame photoelectron angular distributions (MFPADs) for C 1s photoemission from CO2. The agreement between the measured and calculated MFPADs is on average reasonable. The measured MFPADs display a weak but definite asymmetry with respect to the O+ and CO+ fragment ions at certain energies, providing evidence for an overlap of gerade and ungerade final ionic states giving rise to a partial breakdown of the two-step model of core-level photoionization and its subsequent Auger decay.

Original language	English
Article number	083001
Journal	Physical review letters
Volume	101
Issue number	8
DOIs	https://doi.org/10.1103/PhysRevLett.101.083001
Publication status	Published - 2008 Aug 20
Externally published	Yes

ASJC Scopus subject areas

Physics and Astronomy(all)

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10.1103/PhysRevLett.101.083001

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Liu, X. J., Fukuzawa, H., Teranishi, T., De Fanis, A., Takahashi, M., Yoshida, H., Cassimi, A., Czasch, A., Schmidt, L., Dörner, R., Wang, K., Zimmermann, B., McKoy, V., Koyano, I., Saito, N., & Ueda, K. (2008). Breakdown of the two-step model in k-shell photoemission and subsequent decay probed by the molecular-frame photoelectron angular distributions of CO2. Physical review letters, 101(8), [083001]. https://doi.org/10.1103/PhysRevLett.101.083001

Breakdown of the two-step model in k-shell photoemission and subsequent decay probed by the molecular-frame photoelectron angular distributions of CO2. / Liu, X. J.; Fukuzawa, H.; Teranishi, T.; De Fanis, A.; Takahashi, M.; Yoshida, H.; Cassimi, A.; Czasch, A.; Schmidt, L.; Dörner, R.; Wang, K.; Zimmermann, B.; McKoy, V.; Koyano, I.; Saito, N.; Ueda, K.

In: Physical review letters, Vol. 101, No. 8, 083001, 20.08.2008.

Research output: Contribution to journal › Article › peer-review

Liu, XJ, Fukuzawa, H, Teranishi, T, De Fanis, A, Takahashi, M, Yoshida, H, Cassimi, A, Czasch, A, Schmidt, L, Dörner, R, Wang, K, Zimmermann, B, McKoy, V, Koyano, I, Saito, N & Ueda, K 2008, 'Breakdown of the two-step model in k-shell photoemission and subsequent decay probed by the molecular-frame photoelectron angular distributions of CO2', Physical review letters, vol. 101, no. 8, 083001. https://doi.org/10.1103/PhysRevLett.101.083001

Liu, X. J. ; Fukuzawa, H. ; Teranishi, T. ; De Fanis, A. ; Takahashi, M. ; Yoshida, H. ; Cassimi, A. ; Czasch, A. ; Schmidt, L. ; Dörner, R. ; Wang, K. ; Zimmermann, B. ; McKoy, V. ; Koyano, I. ; Saito, N. ; Ueda, K. / Breakdown of the two-step model in k-shell photoemission and subsequent decay probed by the molecular-frame photoelectron angular distributions of CO2. In: Physical review letters. 2008 ; Vol. 101, No. 8.

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abstract = "We report results of measurements and of Hartree-Fock level calculations of molecular-frame photoelectron angular distributions (MFPADs) for C 1s photoemission from CO2. The agreement between the measured and calculated MFPADs is on average reasonable. The measured MFPADs display a weak but definite asymmetry with respect to the O+ and CO+ fragment ions at certain energies, providing evidence for an overlap of gerade and ungerade final ionic states giving rise to a partial breakdown of the two-step model of core-level photoionization and its subsequent Auger decay.",

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AU - Teranishi, T.

AU - De Fanis, A.

AU - Takahashi, M.

AU - Yoshida, H.

AU - Cassimi, A.

AU - Czasch, A.

AU - Schmidt, L.

AU - Dörner, R.

AU - Wang, K.

AU - Zimmermann, B.

AU - McKoy, V.

AU - Koyano, I.

AU - Saito, N.

AU - Ueda, K.

PY - 2008/8/20

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AB - We report results of measurements and of Hartree-Fock level calculations of molecular-frame photoelectron angular distributions (MFPADs) for C 1s photoemission from CO2. The agreement between the measured and calculated MFPADs is on average reasonable. The measured MFPADs display a weak but definite asymmetry with respect to the O+ and CO+ fragment ions at certain energies, providing evidence for an overlap of gerade and ungerade final ionic states giving rise to a partial breakdown of the two-step model of core-level photoionization and its subsequent Auger decay.

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Breakdown of the two-step model in k-shell photoemission and subsequent decay probed by the molecular-frame photoelectron angular distributions of CO2

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