Dynamics of D3+ slow dissociation induced by intense ultrashort laser pulses

B. Gaire, J. McKenna, M. Zohrabi, K. D. Carnes, B. D. Esry, and I. Ben-Itzhak
Phys. Rev. A 85, 023419 – Published 21 February 2012

Abstract

The dissociation of D3+ in intense ultrashort laser pulses is investigated using an improved coincidence three-dimensional momentum imaging method that allows clear separation of all fragmentation channels and the determination of the kinetic energy release down to zero. Our results, using 10-fs, 790-nm pulses, suggest that a large peak at low kinetic energy release is associated with the D+ + D2 dissociation channel of D3+. The most likely dissociation pathways leading to two-body breakup of D3+ are identified with additional measurements using 25-fs, 790-nm and 40-fs, 395-nm pulses. We also show that the slow D+ + D2 dissociation dynamics can be manipulated by the pulse duration.

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  • Received 12 December 2011

DOI:https://doi.org/10.1103/PhysRevA.85.023419

©2012 American Physical Society

Authors & Affiliations

B. Gaire, J. McKenna, M. Zohrabi, K. D. Carnes, B. D. Esry, and I. Ben-Itzhak

  • J.R. Macdonald Laboratory, Physics Department, Kansas State University, Manhattan, Kansas 66506, USA

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Issue

Vol. 85, Iss. 2 — February 2012

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