Nier-Johnson geometry: Difference between revisions
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{{ | {{DefName|An arrangement for a [[Double-focusing Mass Spectrometer|double-focusing mass spectrometer]] in which a deflection of ????????????????/2 radians in a radial electrostatic field analyser is followed by a [[Magnetic Deflection|magnetic deflection]] of ????????????????/3 radians. }} | ||
Revision as of 16:22, 14 May 2005
| DRAFT DEFINITION |
| Nier-Johnson geometry |
|---|
| An arrangement for a double-focusing mass spectrometer in which a deflection of ????????????????/2 radians in a radial electrostatic field analyser is followed by a magnetic deflection of ????????????????/3 radians. |
| Considered between 2004 and 2006 but not included in the 2006 PAC submission |
| This is an unofficial draft definition presented for information and comment. |
Orange Book Entry
An arrangement for a double-focusing mass spectrometer in which a deflection of ????????????????/2 radians in a radial electrostatic field analyser is followed by a magnetic deflection of ????????????????/3 radians. The electrostatic analyser uses a symmetrical object-image arrangement and the magnetic analyser is used asymmetrically.
