Radiative Cooling Dynamics of Anthracene Cations Stored in DESIREE Studied Via the Time Evolution of 2-Photon-absorption Induced Dissociation Rate

J. Bernard,M. C. Ji,S. Martin,G. Wenzel,A. Al-Mogeeth,M. H. Stockett,H. T. Schmidt,H. Zettergren,C. Joblin

31ST INTERNATIONAL CONFERENCE ON PHOTONIC, ELECTRONIC AND ATOMIC COLLISIONS (ICPEAC XXXI)（2020）

Univ Lyon

Cited 0|Views21

Abstract

Synopsis Anthracene cations (C14H10 +) have been stored in the cryogenic (13 K) electrostatic storage ring DESIREE in Stockholm to study their radiative cooling dynamics on a long time scale up to 2 s. By monitoring the laser-induced delayed dissociation curves during the storage, the evolution of the dissociation rate was obtained. Its decrease as a function of time is closely related to the time evolution of the internal energy distribution of the stored anthracene cations and consequently to the energy loss due to radiative cooling, including both Poincaré and infrared fluorescences.

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