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Hyperfine structure and isotope shift of the D"2 line of ^1^1^8^-^1^4^5Cs and some of their isomers

Thibault, C. ; Touchard, F. ; Buttgenbach, S. ; [weitere]

Amsterdam : Elsevier

Nuclear Physics, Section A 367 (1981), S. 1-12

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ISSN: 0375-9474

Schlagwort(e): Nuclear structure

Quelle: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002

Thema: Physik

Materialart: Digitale Medien

URL: http://linkinghub.elsevier.com/retrieve/pii/0375-9474(81)90274-8

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Photoionization and detection of ultracold Cs 2 molecules through diffuse bands (2002)

Dion, C.M. ; Dulieu, O. ; Comparat, D. ; [weitere]

Springer

The European physical journal 18 (2002), S. 365-370

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ISSN: 1434-6079

Schlagwort(e): PACS. 33.80.Eh Autoionization, photoionization, and photodetachment – 33.80.Gj Diffuse spectra; predissociation, photodissociation – 33.80.Ps Optical cooling of molecules; trapping

Quelle: Springer Online Journal Archives 1860-2000

Thema: Physik

Notizen: Abstract: We present the results of absorption measurements in a cesium vapor around 630 K, together with photoionization spectra through a resonance-enhanced two-photon absorption of ultracold cesium dimers created after photoassociation of ultracold cesium atoms. The maximum efficiency of the ultracold molecule ionization is found for wavelengths where absorption at thermal energies is the strongest, in agreement with our theoretical simulations of both processes, involving the so-called Cs2 diffuse bands. This result will be helpful for further optimization of such a direct way of detection of ultracold molecules.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1140/epjd/e20020042

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Line shape analysis of two-colour photoassociation spectra on the example of the Cs ground state (2002)

Lisdat, Ch. ; Vanhaecke, N. ; Comparat, D. ; [weitere]

Springer

The European physical journal 21 (2002), S. 299-309

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ISSN: 1434-6079

Schlagwort(e): PACS. 33.70.Jg Line and band widths, shapes, and shifts – 32.80.Pj Optical cooling of atoms; trapping – 34.50.Rk Laser-modified scattering and reactions

Quelle: Springer Online Journal Archives 1860-2000

Thema: Physik

Notizen: Abstract: Two-photon photoassociation spectra in a Λ-type excitation scheme are analysed under the systematically varied experimental conditions of frequency detunings and laser intensities. Line shape fits are presented as well as the investigation of intensity and detuning dependent line shifts. From both we determine the attained spectroscopic precision, that is corrected for a systematic line shift due to the thermal distribution of atoms in the trap. An energy correction for this effect is given. Information about the feasibility of generating translationally cold molecules in a well defined rotational and vibrational level by the photoassociation process is derived from the analysis.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1140/epjd/e2002-00209-9

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