Absorption spectrum of molecule at the range of 142–153 nm. The solid line is for measurements of acetylene under jet-cooled condition with tunable VUV laser radiation (Ref. 19) and the dotted line is for the data recorded at room temperature by using synchrotron radiation (Ref. 26).
TOF spectra of the H atom product from the photodissociation of at 151.82 and 148.35 nm with photolysis laser polarization parallel and perpendicular to the detection axis.
Total translational energy spectra for 148.35 nm (a) and 151.82 nm (b) photodissociation with laser polarization perpendicular to detection axis and the assignment on the vibrational level of product.
The corresponding anisotropy distribution and anisotropy parameter value from photolysis at 148.35 and 151.82 nm.
The trans-bending vibration of the acetylene molecule and its likely effect on the dissociation process.
Schematic photodissociation pathway for the acetylene molecule via the electronic excitation (Ref. 18).
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