Technical Comments

Response to Comments on “Experimental Test of Self-Shielding in Vacuum Ultraviolet Photodissociation of CO”

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Science  19 Jun 2009:
Vol. 324, Issue 5934, pp. 1516
DOI: 10.1126/science.1167919

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We address the comments by Lyons et al., Federman and Young, and Yin et al. regarding the interpretation of our carbon monoxide photodissociation experiments and provide further experimental data analysis, including measured synchrotron beam profiles. The experimental data do not support existing self-shielding models that attempt to explain observed meteoritic oxygen isotopic compositions because they rely on previously untested theoretical assumptions.

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