Formation of positive and negative ions in the gas phase of D-ribose by low-energy electrons

被引：0

作者：

Chernyshova, I ^{[1
]}

Kontros, J. ^{[1
]}

Shpenik, O. ^{[1
]}

Demes, S. ^{[2
]}

机构：

[1] Nat Acad Sci Ukraine, Inst Electron Phys, 21 Univ Ska Str, UA-88017 Uzhgorod, Ukraine

[2] Hungarian Acad Sci, Inst Nucl Res, 18-C Bern Sq, H-4026 Debrecen, Hungary

来源：

31ST INTERNATIONAL CONFERENCE ON PHOTONIC, ELECTRONIC AND ATOMIC COLLISIONS (ICPEAC XXXI) | 2020年 / 1412卷

关键词：

D O I：

10.1088/1742-6596/1412/13/132054

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Using a hypocycloidal electron spectrometer the total dissociative electron attachment cross section and the ionization cross section for D-ribose molecule were studied in the E<30 eV energy range. A clear structure near zero energy and in the 6.0-9.5 eV range is observed in the dissociative electron attachment cross section. These features appear due to the formation of negative ion fragments of the molecule. The ionization potential of the D-ribose molecule was determined at 9.74 +/- 0.02 eV. In the total ionization cross section weak features are observed, which most likely due to the formation of positive ion fragments of the initial molecule.

引用

页数：1

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