DEUTERIUM ATOMIC MASS FROM FOURIER-TRANSFORM ION-CYCLOTRON-RESONANCE MEASUREMENT OF THE MASS DIFFERENCE BETWEEN (H2O+)-H-1 AND (HO+)-H-2

被引：13

作者：

GORSHKOV, MV

ALBER, GM

SCHWEIKHARD, L

MARSHALL, AG

机构：

[1] OHIO STATE UNIV, DEPT CHEM, 120 W 18TH AVE, COLUMBUS, OH 43210 USA

[2] OHIO STATE UNIV, DEPT BIOCHEM, COLUMBUS, OH 43210 USA

来源：

PHYSICAL REVIEW A | 1993年 / 47卷 / 04期

关键词：

D O I：

10.1103/PhysRevA.47.3433

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

The mass difference, m1H2O+ -m2HO+ = 0.001 548296(12), corresponding to a mass-ratio precision of 6 x 10(-10), has been determined by Fourier-transform ion-cyclotron-resonance (FT ICR) mass spectrometry. Three related results are calculated from that mass difference: 2m1H -m2H = 0.001 548 302(12) u; mass of the deuterium atom, 2.014 101 764(13) u; and deuteron binding energy, S(n)(H-2) = 2 388 183(14) nu [ = 2 224 579(13) eV, in which 1 u = 931.494 32(28) MeV]. In all three cases, the FT ICR mass-spectrometry-derived value improves significantly the precision of prior measured or recommended values.

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页码：3433 / 3436

页数：4

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