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17 492 (0,143s) •

Result

Double-electron ionization driven by inhomogeneous fields

of sequential (SDI) and non-sequential double ionization (NSDI) mechanisms. Here, we present of He and a double-electron time-evolution probability analysis, we provide evidence for enhancement effects in NSDI showing that...

Optics (including laser optics and quantum optics)

  • 2017
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  • Jimp
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  • Link
Result

Double-electron recombination in high-order-harmonic generation driven by spatially inhomogeneous fields

We present theoretical studies of high-order harmonic generation (HHG) driven by plasmonic fields in two-electron atomic systems. Comparing the single-and two-electron active approximation models of the hydrogen negative ion, we provide strong eviden...

BL - Fyzika plasmatu a výboje v plynech

  • 2016
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  • Jx
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  • Link
Result

Importance of one- and two-photon transitions in the strong-field dissociation of NO2

Employing a coincidence three-dimensional momentum imaging technique, we investigate the ultrafast, intense laser-induced dissociation of a metastable NO2+ ion beam into N+ + O+. Based on the kinetic energy release and angular distributions, measured...

Physical chemistry

  • 2021
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  • Jimp
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  • Link
Result

Direct evidence of the dominant role of multiphoton permanent-dipole transitions in strong-field dissociation of NO2+

We study laser-induced dissociation of a metastable NO2+ ion-beam target into N+ + O+, focusing on the prominent contribution by molecules breaking parallel to the polarization at high peak laser intensity (∼1015 W/cm2). Our experimental results and ...

Physical chemistry

  • 2022
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  • Jimp
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  • Link
Result

Time-Dependent Oxidation during Nano-Assisted Laser Desorption Ionization Mass Spectrometry: A Useful Tool for Structure Determination or a Source of Possible Confusion?

of a double bond position by a laser desorption ionization mass spectrometry. It is solely laserdesorption ionization experiments. These surfaces can induce oxidation of analytes, which of a double bond. By demons...

CE - Biochemie

  • 2011
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  • Jx
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  • Link
Result

Laser-induced dissociative recombination of carbon dioxide

double ionization. After double ionization, one electron can recombine to one reveal that the recombination probability of the second ionized electron is three times as high as that of the first ioniz...

Physical chemistry

  • 2019
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  • Jimp
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  • Link
Result

Location of Double or Triple Bonds in Lipids Using Mass Spectrometry, Part II

This text is the second part of a review article on advances in mass spectrometry for characterizing double and triple bonds in lipid acyl chains by LC-MS and direct ionization of liquid samples at atmospheric pressure. It is devote...

Analytical chemistry

  • 2023
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  • Jimp
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  • Link
Result

Double ionization of cycloheptatriene and the reactions of the resulting C7Hn2+ dications (n=6,8) with xenon

The formation and fragmentation of the molecular dication C7H82+ from cycloheptatriene and the bimolecular reactivities of C7H82+ and C7H62+ are studied using multipole-based tandem mass spectrometers with either electron ionization or photo...

CF - Fyzikální chemie a teoretická chemie

  • 2011
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  • Jx
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  • Link
Result

Tunneling in a Double-Barrier System and its Practical Implications for Field Ionization and Field Emission.

Annotation not available...

CF - Fyzikální chemie a teoretická chemie

  • 1999
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  • Jx
Result

Localizing double and triple bonds in lipid molecules by mass spectrometry

This work presents two novel MS-based approaches for localizing double and triple bonds in lipid aliphatic chains. In the first approach, lipids were ionized by atmospheric pressure chemical ionization in the presence of ac...

Analytical chemistry

  • 2024
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  • O
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