Benzene formation in the inner regions of protostellar disks

Details Benzene formation in the inner regions of protostellar disks Benzene formation in the inner regions of protostellar disks

2006-12-08

arxiv.org/abs/astro-ph/0612230v1

Astrophys.J.655:L49-L52,2007

Astronomy and Astrophysics

Astrophysics

9 pages, 2 colour figures, to be published in the Astrophysical Journal Letters

Scientific paper

10.1086/511680

Benzene (c-C6H6) formation in the inner 3 AU of a protostellar disk can be efficient, resulting in high abundances of benzene in the midplane region. The formation mechanism is different to that found in interstellar clouds and in protoplanetary nebulae, and proceeds mainly through the reaction between allene (C3H4) and its ion. This has implications for PAH formation, in that some fraction of PAHs seen in the solar system could be native rather than inherited from the interstellar medium.

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