Why Do Large Ionized Polycyclic Aromatic Hydrocarbons Not Lose C2H2? West, Brandi J. ; Lesniak, Lukas ; Mayer, Paul M. Abstract Publication: Journal of Physical Chemistry A Pub Date: April 2019 DOI: 10.1021/acs.jpca.9b01879 Bibcode: 2019JPCA..123.3569W