Production of electronically excited NO via DEA to NO2★
Tata Institute of Fundamental Research,
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Received in final form: 18 October 2017
Published online: 12 December 2017
Dissociative electron attachment (DEA) to NO2 in the 7–11 eV range is studied using velocity slice imaging technique. Two distinct channels are observed in the DEA corresponding to O– + NO(A 2Σ+) and O– + NO(C 2Π and/or D 2Σ+). While NO(A 2Σ+) is found to be formed only in very high vibrational levels, NO(C 2Π and/or D 2Σ+) is found to be formed with vibrational distribution starting from v = 0. From the angular distribution of the O– ions leading to the NO(C 2Π and/or D 2Σ+) channel, we obtain the symmetry of the negative ion resonance to be dominantly B1 with small contribution from B2.
© EDP Sciences, Società Italiana di Fisica, Springer-Verlag 2017