UV photodissociation of H2+ in interstellar radiation fields: Shape resonances and astrophysical implications

Open Access

Fig. 2

Partial photodissociation cross sections of $H_{2}^{+}$ $\frame{\text{H}}_2^ +$ . Panels a and c show cross sections for the transitions $1^{2} Πu \leftarrow 1^{2} {Σg}_{+}$ $\frame{1^2}\frame{\frame{\text{\Pi }}_\frame{\text{u}}} \leftarrow \frame{1^2}\frame{\text{\Sigma }}_\frame{\text{g}}^ +$ and $1^{2} {Σu}_{+} \leftarrow 1^{2} {Σg}_{+}$ $\frame{1^2}\frame{\text{\Sigma }}_\frame{\text{u}}^ + \leftarrow \frame{1^2}\frame{\text{\Sigma }}_\frame{\text{g}}^ +$ from initial rovibrational levels with rotational quantum number J″ = 0. Panels b and d correspond to transitions from vibrational ground state levels with quantum number ν″ = 0.

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