Coulomb dynamics of ion bunches in multi-reflection electrostatic traps

被引：20

作者：

Bolotskikh, P. A. ^{[2
]}

Grinfeld, D. E. ^{[1
]}

Makarov, A. A. ^{[3
]}

Monastyrskiy, M. A. ^{[1
]}

机构：

[1] Russian Acad Sci, AM Prokhorov Gen Phys Inst, Moscow, Russia

[2] St Petersburg Polytech Coll, St Petersburg, Russia

[3] Thermo Fisher Sci, Bremen, Germany

来源：

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 2011年 / 645卷 / 01期

基金：

俄罗斯基础研究基金会;

关键词：

Electrostatic trap; Time-of-flight mass-spectrometry; Space charge; Coulomb effects; Coalescence and self-bunching effects; Resonant averaging; Numerical simulation; MASS-SPECTROMETER;

D O I：

10.1016/j.nima.2010.12.170

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

The problem of Coulomb effects is of crucial importance in the high-resolution time-of-flight mass-spectrometry, especially for the multi-reflection ion traps operating under the isochronism conditions. It is shown that the self-bunching and coalescence effects in the ion traps considered arise from the resonant Coulomb repulsion between the ions of equal or close masses. Based on the perturbation methods, a special computational technique is constructed to study these exceedingly sophisticated effects numerically. Some simulation results for a two-mirror ion trap are presented and discussed. The mechanism of the self-bunching and coalescence effects is qualitatively demonstrated using a 1D model that allows an analytical solution. (C) 2010 Elsevier B.V. All rights reserved.

引用

页码：146 / 152

页数：7

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