Photochemistry of PAHs in cosmic water ice - The effect of concentration on UV-VIS spectroscopy and ionization efficiency

Free Access

Table 2

Oscillator strengths and transition assignments of the neutral and cation transitions of coronene and pyrene considered here.

	Coronene		Pyrene

	Neutral	Cation	Neutral	Cation

Transition & peak	¹E_1u: 301 nm^a, ¹B_1u: 337 nm^a	²B_1,2g: 463 nm^a	¹B_2u: 334 nm^b	²A_u: 446 nm^c
Absolute f	f = 1.166^a	f = 0.0278^d	f = 0.33^b	f = 0.104^d
Feature range	275–350 nm	456–469 nm	285–349 nm	409–460 nm

Notes.

^(a)

Ehrenfreund et al. (1992);

^(b)

Bito et al. (2000);

^(c)

Shida (1988);

^(d)

derived here as described in Sect. 3.

Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.

Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.

Initial download of the metrics may take a while.