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Titolo:
Time-dependent fragment distributions detected via pump-probe ionisation: a theoretical approach
Autore:
Degert, J; Meier, C; Girard, B; Vrakking, MJJ;
Indirizzi:
Univ Toulouse 3, IRSAMC, Lab Collis Agregats & React, F-31062 Toulouse, France Univ Toulouse 3 Toulouse France F-31062 React, F-31062 Toulouse, France FOM, AMOLF, Inst Atom & Mol Phys, NL-1098 SJ Amsterdam, Netherlands FOM Amsterdam Netherlands NL-1098 SJ , NL-1098 SJ Amsterdam, Netherlands
Titolo Testata:
EUROPEAN PHYSICAL JOURNAL D
fascicolo: 2, volume: 14, anno: 2001,
pagine: 257 - 265
SICI:
1434-6060(200105)14:2<257:TFDDVP>2.0.ZU;2-C
Fonte:
ISI
Lingua:
ENG
Soggetto:
SOLVATION ULTRAFAST DYNAMICS; WAVE-PACKET DYNAMICS; RESOLVED PHOTOELECTRON-SPECTROSCOPY; PREDISSOCIATION DYNAMICS; INTERNAL-CONVERSION; COULOMB EXPLOSION; LASER-PULSES; FEMTOSECOND; DISSOCIATION; STATE;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
Citazioni:
50
Recensione:
Indirizzi per estratti:
Indirizzo: Degert, J Univ Toulouse 3, IRSAMC, Lab Collis Agregats & React, F-31062 Toulouse, France Univ Toulouse 3 Toulouse France F-31062 31062 Toulouse, France
Citazione:
J. Degert et al., "Time-dependent fragment distributions detected via pump-probe ionisation: a theoretical approach", EUR PHY J D, 14(2), 2001, pp. 257-265

Abstract

We show how in molecular predissociation a method combining ultrafast pump-probe techniques with a measurement of the relative recoil velocity can map time-dependent neutral fragment distributions into the ionic continuum. With an appropriate probe pulse exciting a resonant transition (such as (1+1) Resonance Enhanced Multiphoton Ionisation, or excitation of ZEKE states),the temporal evolution of fragment distributions can in principle be measured. Numerical simulations on NaI predissociation are compared to a simple approximate mapping interpretation. The results are discussed in terms of the interplay between temporal and energetic resolution with respect to current experimental limitations.

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Documento generato il 04/04/20 alle ore 10:58:35