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Within the framework of the Lindblad master equation, we propose a generalmethodology to describe the effects of the environment on a system in dilutegas phase. The phenomenological parameters characterizing the transitionsbetween rovibrational states of the system induced by collisions can beextracted from experimental transition kinetic constants, relying on Energy Gapfitting laws. As the availability of this kind of experimental data can belimited, the present work relied on experimental line broadening coefficients,however still using Energy Gap fitting laws. The 3 $\mu$m infrared spectralrange of acetylene was chosen to illustrate the proposed approach. The methodshows fair agreement with available experimental data while beingcomputationally inexpensive. The results are discussed in the context of statelaser quantum control.

Lindblad parameters from high resolution spectroscopy to describe collision induced decoherence in the gas phase -- Application to acetylene