Experimental studies of the dissociative recombination processes for the dimethyl ether ions CD3OCD and (CD3)2OD+

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Volume 514 (May 2010)

A&A, 514 (2010) A83

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Table 1:

Branching fraction results for (CD₃)₂OD⁺ and CD₃OCD₂⁺ respectively^a.
Reaction	Channel	(CD₃)₂OD⁺	CD₃OCD₂⁺
		(%)	(%)
Without losses
C₂O	$\alpha$	5 $\pm$ 5	0 $\ensuremath{{\rm ^{+3}_{-0}}}$
C₂+ O or CO + C	$\beta$	54 $\pm$ 14	100 $\ensuremath{{\rm ^{+0}_{-3}}}$
2C + O	$\gamma$	41 $\pm$ 11	0 $\ensuremath{{\rm ^{+0}_{-0}}}$
With losses
C₂O	$\alpha$	7 $\pm$ 5	0 $\ensuremath{{\rm ^{+3}_{-0}}}$
C₂+ O or CO + C	$\beta$	49 $\pm$ 14	100 $\ensuremath{{\rm ^{+0}_{-3}}}$
2C + O	$\gamma$	44 $\pm$ 11	0 $\ensuremath{{\rm ^{+0}_{-0}}}$

Notes. ^(a) For simplicity deuterium atoms have not been explicitly written out. The results are given for calculations with and without loss considerations of heavy fragments.

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