Photoassociation Spectroscopy of Cold He (2 3S) Atoms

N. Herschbach; P.J. Tol; W. Vassen; W. Hogervorst; G. Woestenenk; J.W. Thomsen; P. van der Straten; A. Niehaus

doi:10.1103/physrevlett.84.1874

Photoassociation Spectroscopy of Cold He (2 3S) Atoms

N. Herschbach, P.J. Tol, W. Vassen, W. Hogervorst, G. Woestenenk, J.W. Thomsen, P. van der Straten, A. Niehaus

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Abstract

We observe vibrational states by photoassociation spectroscopy of cold He(2 3S) atoms. Photoassociation resonances are detected as peaks in the Penning ionization rate over a frequency range of 20 GHz below the atomic 2 3S1-2 3P2 transition frequency. We have observed three vibrational series, of which two can be identified. A possible mechanism to explain the observed increase of the Penning ionization rate is discussed.

Original language	English
Pages (from-to)	1874-1877
Number of pages	4
Journal	Physical Review Letters
Volume	84
Issue number	9
DOIs	https://doi.org/10.1103/physrevlett.84.1874
Publication status	Published - 1 Feb 2000

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title = "Photoassociation Spectroscopy of Cold He (2 3S) Atoms",

abstract = "We observe vibrational states by photoassociation spectroscopy of cold He(2 3S) atoms. Photoassociation resonances are detected as peaks in the Penning ionization rate over a frequency range of 20 GHz below the atomic 2 3S1-2 3P2 transition frequency. We have observed three vibrational series, of which two can be identified. A possible mechanism to explain the observed increase of the Penning ionization rate is discussed.",

author = "N. Herschbach and P.J. Tol and W. Vassen and W. Hogervorst and G. Woestenenk and J.W. Thomsen and {van der Straten}, P. and A. Niehaus",

year = "2000",

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doi = "10.1103/physrevlett.84.1874",

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journal = "Physical Review Letters",

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T1 - Photoassociation Spectroscopy of Cold He (2 3S) Atoms

AU - Herschbach, N.

AU - Tol, P.J.

AU - Vassen, W.

AU - Hogervorst, W.

AU - Woestenenk, G.

AU - Thomsen, J.W.

AU - van der Straten, P.

AU - Niehaus, A.

PY - 2000/2/1

Y1 - 2000/2/1

N2 - We observe vibrational states by photoassociation spectroscopy of cold He(2 3S) atoms. Photoassociation resonances are detected as peaks in the Penning ionization rate over a frequency range of 20 GHz below the atomic 2 3S1-2 3P2 transition frequency. We have observed three vibrational series, of which two can be identified. A possible mechanism to explain the observed increase of the Penning ionization rate is discussed.

AB - We observe vibrational states by photoassociation spectroscopy of cold He(2 3S) atoms. Photoassociation resonances are detected as peaks in the Penning ionization rate over a frequency range of 20 GHz below the atomic 2 3S1-2 3P2 transition frequency. We have observed three vibrational series, of which two can be identified. A possible mechanism to explain the observed increase of the Penning ionization rate is discussed.

U2 - 10.1103/physrevlett.84.1874

DO - 10.1103/physrevlett.84.1874

M3 - Article

SN - 0031-9007

VL - 84

SP - 1874

EP - 1877

JO - Physical Review Letters

JF - Physical Review Letters

IS - 9

ER -

Photoassociation Spectroscopy of Cold He (2 3S) Atoms

Abstract

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