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Comment on "K. Hansen, Int. J. Mass Spectrom. 399-400 (2016)51"

Other
Authors Leif Holmlid
Publication year 2016
Published at Department of Chemistry and Molecular Biology
Language en
Links https://arxiv.org/abs/1608.00744
Subject categories Molecular physics, Chemical physics, Spectroscopy

Abstract

The comment by K. Hansen suggests that the time-of-flight mass spectrometry data in one table in our paper from 2103 in IJMS should be due to a proton contamination and correspond to protons p instead of deuterons D. The evidence for such a suggestion is a re-plotting of our data, giving a bond distance of 5.0 pm instead of 2.3 pm, corresponding to state s = 3 instead of s = 2 in the ultra-dense hydrogen. However, protium has indeed been studied on the next pages in our paper, giving shorter time-of-flights as expected. A replotting of our protium results as suggested by Hansen gives a best fit mass of 0.6 u, showing that the suggested procedure gives consistently too small mass. Hansen also rejects the rotational energy transfer model as due to our use of D in the analysis of the data. However, this model has been applied successfully in two previous publications, including experiments using protium. Hansen also suggests that the protium is due to a contamination of the source; however, the gas feed (H2 or D2) and its result is well controlled and monitored. The most likely source of protons was instead laser-induced nuclear fusion, but the laser intensity in these experiments was a factor three too low to give strong fusion. Thus, the suggestion by Hansen is not valid.

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