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Some comments on the asymptotic limit of antiproton-proton flux ratio at the top of the atmosphere

โœ Scribed by O. C. Allkofer; D. P. Bhattacharyya


Publisher
Springer Netherlands
Year
1987
Tongue
English
Weight
234 KB
Volume
132
Category
Article
ISSN
0004-640X

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The sensitivity of our proton-transfer reaction mass spectrometer system has been improved by nearly two orders of magnitude, so that now on-line monitoring of volatile organic compounds at levels of a few pptv is possible. This has been demonstrated by means of calibration data down to 200 pptv and