1996
DOI: 10.1063/1.472415
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Dynamics of high-n Rydberg states employed in zero kinetic energy-pulsed field ionization spectroscopy via the F 1Δ2, D 1Π1, and f 3Δ2 Rydberg states of HCl

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Cited by 11 publications
(6 citation statements)
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“…ZEKE (zero electron kinetic energy) spectroscopy has provided valuable insight into the dynamics of high atomic and molecular Rydberg states. In ZEKE spectroscopy, the lifetimes of high Rydberg states have been found to be orders of magnitude longer than what was expected by extrapolating the lifetimes at low n using an n 3 scaling law and extremely sensitive to external perturbations such as an external dc field, an external magnetic field, or the presence of neighboring ions. The role of the external dc field in diluting the coupling strength to the decay channels over the entire l manifold and increasing the lifetime was early on pointed out by Bordas and Chupka , and then studied in more detail. The lifetimes of high molecular Rydberg states are also considerably enhanced by collisional effects and the presence of a magnetic field. ,,, Moreover, experimentally, the decay kinetics of the ZEKE intensity very often exhibits a bimodal character, ,, with a prompt and a delayed component.…”
Section: Introductionmentioning
confidence: 99%
See 1 more Smart Citation
“…ZEKE (zero electron kinetic energy) spectroscopy has provided valuable insight into the dynamics of high atomic and molecular Rydberg states. In ZEKE spectroscopy, the lifetimes of high Rydberg states have been found to be orders of magnitude longer than what was expected by extrapolating the lifetimes at low n using an n 3 scaling law and extremely sensitive to external perturbations such as an external dc field, an external magnetic field, or the presence of neighboring ions. The role of the external dc field in diluting the coupling strength to the decay channels over the entire l manifold and increasing the lifetime was early on pointed out by Bordas and Chupka , and then studied in more detail. The lifetimes of high molecular Rydberg states are also considerably enhanced by collisional effects and the presence of a magnetic field. ,,, Moreover, experimentally, the decay kinetics of the ZEKE intensity very often exhibits a bimodal character, ,, with a prompt and a delayed component.…”
Section: Introductionmentioning
confidence: 99%
“…ZEKE (zero electron kinetic energy) spectroscopy [1][2][3][4][5][6][7][8][9][10][11] has provided valuable insight into the dynamics of high atomic and molecular Rydberg states. [12][13][14][15][16][17][18][19][20][21][22][23][24] In ZEKE spectroscopy, the lifetimes of high Rydberg states have been found to be orders of magnitude longer than what was expected by extrapolating the lifetimes at low n using an n 3 scaling law and extremely sensitive to external perturbations such as an external dc field, an external magnetic field, or the presence of neighboring ions. The role of the external dc field in diluting the coupling strength to the decay channels over the entire l manifold and increasing the lifetime was early on pointed out by Bordas 25 and Chupka 26,27 and then studied in more detail.…”
Section: Introductionmentioning
confidence: 99%
“…The interpretation of experimental results therefore requires a careful assessment of the ability of the experiment to distinguish and/or detect with equal sensitivity a range of different lifetimes. The importance of the multiexponential nature of the decay of the initially prepared Rydberg population was also emphasized by Bixon and Jortner , and, recently, by Lefebvre-Brion and collaborators …”
Section: Introductionmentioning
confidence: 86%
“…The importance of the multiexponential nature of the decay of the initially prepared Rydberg population was also emphasized by Bixon and Jortner 30,31 and, recently, by Lefebvre-Brion and collaborators. 32 In our theoretical NO paper, we developed a Hamiltonian description of the NO molecule, which was based on an adaptation of earlier results obtained by multichannel quantum defect theory (MQDT). 33,34 The results of an MQDT analysis by Fredin et al were used to set up a Hamiltonian describing the coupling among Hund's case d basis states induced by shortrange Rydberg electron-core interactions.…”
Section: Introductionmentioning
confidence: 99%
“…Especially for molecules with relatively large rotational constants such as the diatomic hydrides such studies are very informative, because they produce a plethora of information on the dynamics of the photoionization process [17,. With the advent of ZEKE the observation of rotationally resolved PES of small molecules has become a very feasible proposition [ 18, 57,58].…”
Section: Introductionmentioning
confidence: 99%