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- Article name
- Dynamic quadrupole mass analyser in inhomogeneous magnetic static fields
- Authors
- Golikov Yu. K., , , Saint-Petersburg State Polytechnic University, 29 Politekhnicheskaya str., St.-Petersburg, 195251, Russia
Krasnova N. K., , n.k.krasnova@mail.ru, Saint-Petersburg State Polytechnic University, 29 Politekhnicheskaya str., St.-Petersburg, 195251, Russia
Solovjev K. V., , , St.-Petersburg State Polytechnic University, 29 Polytechnical str., St.-Petersburg, 195251, Russia
Ershov T. D., , , St.-Petersburg State Polytechnic University, 29 Polytechnical str., St.-Petersburg, 195251, Russia
Nikolaev V. I., , , Scientific Instruments, Inc, 26 Riga av., St.-Petersburg, 190103, Russia
Elochin V. A., , , Scientific Instruments, Inc, 26 Riga av., St.-Petersburg, 190103, Russia
- Keywords
- mass analysis / quadrupole mass analyzer / inhomogeneous static magnetic field / stability zones / magnetic potential / magnetic dipole / dimensionless motion model
- Year
- 2010 Issue 3 Pages 68 - 73
- Code EDN
- Code DOI
- Abstract
- In the article an influence of inhomogeneous static magnetic field upon characteristics of quadrupole mass analyser. To design singularities formed by static magnets it is defined a scalar magnetic potential as in electric fields. It is considered a magnetic dipole as a combination of two Coulomb's reverse charges placed near each other. Numerical modelling with one, two and four dipoles is carried out. The obtained results show that under certain parameters resolution of quadrupole mass analyser is increased in two times.
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