Nuclear Spin Conversion in CH4: A Multichannel Relaxation Mechanism Cacciani, Patrice ; Cosléou, Jean ; Khelkhal, Mohamed ; Čermák, Peter ; Puzzarini, Cristina Abstract Publication: Journal of Physical Chemistry A Pub Date: January 2016 DOI: 10.1021/acs.jpca.5b09454 Bibcode: 2016JPCA..120..173C