Vibrationally cold CO{sup 2+} in intense ultrashort laser pulses

Journal Article · Tue Jun 15 04:00:00 EDT 2010 · Physical Review. A

DOI:https://doi.org/10.1103/PHYSREVA.81.061401· OSTI ID:21407877

McKenna, J; Sayler, A M; Anis, F; Johnson, Nora G; Gaire, B; Zohrabi, M A; Carnes, K D; Esry, B D; Ben-Itzhak, I ^[1]; Lev, U ^[2]

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1. J. R. Macdonald Laboratory, Department of Physics, Kansas State University, Manhattan, Kansas 66506 (United States)
2. Department of Particle Physics, Weizmann Institute of Science, Rehovot 76100 (Israel)

By virtue of the short lifetime of excited states, we have performed three-dimensional (3D) momentum imaging on the fragments from an electronically and vibrationally cold metastable CO{sup 2+} beam following irradiation by intense ultrashort laser pulses. This unique target can be described as a two-channel system, since most low-lying electronic states are not accessible by dipole transitions due to their spin state. Laser excitation between the ground X{sup 3{Pi}} v=0 state and the excited {sup 3{Sigma}-} state leads to bond softening and above-threshold dissociation, with peaks in kinetic energy release spaced by the photon energy and interesting angular distributions that peak perpendicular to the laser field. These results are compared with our solutions of the 3D time-dependent Schroedinger equation.

• OSTI ID: 21407877
• Journal Information: Physical Review. A, Journal Name: Physical Review. A Journal Issue: 6 Vol. 81; ISSN 1050-2947; ISSN PLRAAN
• Country of Publication: United States
• Language: English

Related Subjects

71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
ANGULAR DISTRIBUTION
ANGULAR MOMENTUM
BEAMS
BOSONS
CHARGED PARTICLES
COBALT IONS
DIFFERENTIAL EQUATIONS
DIPOLES
DISSOCIATION
DISTRIBUTION
ELECTROMAGNETIC RADIATION
ELEMENTARY PARTICLES
ENERGY
ENERGY LEVELS
ENERGY-LEVEL TRANSITIONS
EQUATIONS
EXCITATION
EXCITED STATES
IONS
KINETIC ENERGY
LASER RADIATION
LASERS
MASSLESS PARTICLES
MATHEMATICAL SOLUTIONS
MULTIPOLES
PARTIAL DIFFERENTIAL EQUATIONS
PARTICLE PROPERTIES
PHOTONS
PULSES
RADIATIONS
SCHROEDINGER EQUATION
SPIN
THREE-DIMENSIONAL CALCULATIONS
TIME DEPENDENCE
WAVE EQUATIONS