Bibliography #2450

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Kitsopoulos 1989	T. N. Kitsopoulos, I. M. Waller, J. G. Loeser, and D. M. Neumark, Chem. Phys. Lett. 159, 300-306 (1989) High Resolution Threshold Photodetachment Spectroscopy of Negative Ions Note: apud Chaibi 2006, in their footnote 5: In this article, the presented ZEKE spectrum shows an R3(0) peak at about 535.9 nm. There is no indication of whether the given wavelengths are in air or in vacuum, which would yield 18666(2) or 18671(2) cm1, respectively. Given the way the authors recalculate the detachment threshold of I, the latter seems more likely. In addition, due to the very principle of ZEKE spectroscopy, the maximum does not occur at the exact position of each threshold, but with a systematic shift that depends on experimental parameters. This shift, relying visually on Fig. 2, would be about 1 cm1. The most probable value of the electron affinity to be extracted from the reference is thus finally 18670(2) cm1. The agreement with the result of the present work is striking. Unfortunately, in view of the more accurate and not compatible 1988 measurement [Larson 1988], the result probably appeared to the authors more as a puzzle than as the valuable measurement it actually was.

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Kitsopoulos 1989

T. N. Kitsopoulos, I. M. Waller, J. G. Loeser, and D. M. Neumark, Chem. Phys. Lett. 159, 300-306 (1989)
High Resolution Threshold Photodetachment Spectroscopy of Negative Ions
Note: apud Chaibi 2006, in their footnote 5: In this article, the presented ZEKE spectrum shows an R3(0) peak at about 535.9 nm. There is no indication of whether the given wavelengths are in air or in vacuum, which would yield 18666(2) or 18671(2) cm1, respectively. Given the way the authors recalculate the detachment threshold of I, the latter seems more likely. In addition, due to the very principle of ZEKE spectroscopy, the maximum does not occur at the exact position of each threshold, but with a systematic shift that depends on experimental parameters. This shift, relying visually on Fig. 2, would be about 1 cm1. The most probable value of the electron affinity to be extracted from the reference is thus finally 18670(2) cm1. The agreement with the result of the present work is striking. Unfortunately, in view of the more accurate and not compatible 1988 measurement [Larson 1988], the result probably appeared to the authors more as a puzzle than as the valuable measurement it actually was.