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Magnetic field-mappings in low field large-aperture accelerator magnets

Authors: Elvebakken, Vetle;

Magnetic field-mappings in low field large-aperture accelerator magnets

Abstract

Roterende-spole målinger er en av de mest brukte metodene for målinger av partikkelakselerator- magneter, fordi den har høy nok presisjon og robusthet. En av begrensingene til målemetoden er at den gir lav fleksibilitet, da den avhenger av å ha spoler tilpasset forskjellige magneters apertur-geometri. Denne oppgaven foreslår en metode for å øke fleksibiliteten og validerer felt-rekonstruksjonen til flere forskjellige målinger tatt i forskjellige posisjoner i magnetfeltet. Magneten som ble målt hadde et lavt magnetfelt kombinert med en stor radius, en kombinasjon som er svært vanskelig å måle med normale metoder. Ved å kun bruke lavere ordens multipoler målt med nok presisjon og en måleradius på 45mm, er det mulig å rekonstrure de resterende multipolene med høyere presisjon enn presisjonen gitt fra en måling med roterende-spole tatt sentralt i magnetfeltet eller fra en måling med Single-Stretched Wire gjort med en radius på 50mm.

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
Green