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Title: Field quality measurements of Fermilab Nb(3)Sn common coil dipole model

Abstract

A short model of single-layer Nb{sub 3}Sn common coil magnet has been fabricated and is being tested at Fermilab. This paper summarizes results of magnetic measurements in this model. The geometrical harmonics, coil magnetization and iron saturation effects, ramp-rate dependence, field decay and the ''snap-back'' effect at injection are presented.

Authors:
; ; ; ; ; ; ; ; ; ; ; ; ;
Publication Date:
Research Org.:
Fermi National Accelerator Lab., Batavia, IL (US)
Sponsoring Org.:
US Department of Energy (US)
OSTI Identifier:
15011773
Report Number(s):
FERMILAB-CONF-03-319-E
TRN: US0501423
DOE Contract Number:
AC02-76CH03000
Resource Type:
Conference
Resource Relation:
Journal Name: IEEE Trans.Appl.Supercond.14:287-290,2004; Conference: Conference title not supplied, Conference location not supplied, Conference dates not supplied; Other Information: IEEE Trans.Appl.Supercond.14:287-290,2004; PBD: 1 Nov 2003
Country of Publication:
United States
Language:
English
Subject:
43 PARTICLE ACCELERATORS; DECAY; DIPOLES; FERMILAB; HARMONICS; IRON; MAGNETIZATION; MAGNETS; SATURATION; ACCELERATORS

Citation Formats

Kashikhin, V.S., Andreev, N., Dimarco, J., Feher, S., Kashikhin, V.V., Lamm, M., Novitski, I., Orris, D., Schlabach, P., Sylvester, C., Tartaglia, M., Velev, G., Zlobin, A.V., and Fermilab. Field quality measurements of Fermilab Nb(3)Sn common coil dipole model. United States: N. p., 2003. Web.
Kashikhin, V.S., Andreev, N., Dimarco, J., Feher, S., Kashikhin, V.V., Lamm, M., Novitski, I., Orris, D., Schlabach, P., Sylvester, C., Tartaglia, M., Velev, G., Zlobin, A.V., & Fermilab. Field quality measurements of Fermilab Nb(3)Sn common coil dipole model. United States.
Kashikhin, V.S., Andreev, N., Dimarco, J., Feher, S., Kashikhin, V.V., Lamm, M., Novitski, I., Orris, D., Schlabach, P., Sylvester, C., Tartaglia, M., Velev, G., Zlobin, A.V., and Fermilab. 2003. "Field quality measurements of Fermilab Nb(3)Sn common coil dipole model". United States. doi:. https://www.osti.gov/servlets/purl/15011773.
@article{osti_15011773,
title = {Field quality measurements of Fermilab Nb(3)Sn common coil dipole model},
author = {Kashikhin, V.S. and Andreev, N. and Dimarco, J. and Feher, S. and Kashikhin, V.V. and Lamm, M. and Novitski, I. and Orris, D. and Schlabach, P. and Sylvester, C. and Tartaglia, M. and Velev, G. and Zlobin, A.V. and Fermilab},
abstractNote = {A short model of single-layer Nb{sub 3}Sn common coil magnet has been fabricated and is being tested at Fermilab. This paper summarizes results of magnetic measurements in this model. The geometrical harmonics, coil magnetization and iron saturation effects, ramp-rate dependence, field decay and the ''snap-back'' effect at injection are presented.},
doi = {},
journal = {IEEE Trans.Appl.Supercond.14:287-290,2004},
number = ,
volume = ,
place = {United States},
year = 2003,
month =
}

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  • A short model of single-layer Nb{sub 3}Sn common coil magnet has been fabricated and is being tested at Fermilab. This paper summarizes results of magnetic measurements in this model. The geometrical harmonics, coil magnetization and iron saturation effects, ramp-rate dependence, field decay and the ''snap-back'' effect at injection are presented.
  • A short Nb{sub 3}Sn dipole model based on a single-bore cos-theta coil with a cold iron yoke has been fabricated and tested recently at Fermilab. Field quality was measured at room temperature during magnet fabrication and at helium temperature. This paper reports the results of cold magnetic measurements. The geometrical harmonics, the coil magnetization effect caused by persistent currents in superconductor and eddy current in the cable, the ''snap-back'' effect at injection are presented and compared with theoretical predictions.
  • Magnetic field measurements have been performed at Fermilab on 1.5 m magnetic length model dipoles for the Superconducting Supercollider. harmonic measurements are recorded at room temperature before and after the collared coil is assembled into the yoke and at liquid helium temperature. In this paper measurements are made as a function of longitudinal position and excitation current. High field data are compared with room temperature measurements of both the collared coil and the completed yoked magnet and with the predicted fields for both the body of the magnet and the coil ends.
  • Magnetic field measurements have been performed at Fermilab on 1.5 m magnetic length model dipoles for the Superconducting Supercollider. Harmonic measurements are recorded at room temperature before and after the collared coil is assembled into the yoke and at liquid helium temperature. Measurements are made as a function of longitudinal position and excitation current. High field data are compared with room temperature measurements of both the collared coil and the completed yoked magnet and with the predicted fields for both the body of the magnet and the coil ends.
  • Magnetic field measurements have been performed at Fermilab on 1.5 m magnetic length model dipoles for the Superconducting Supercollider. Harmonic measurements are recorded at room temperature before and after the collared coil is assembled into the yoke and at liquid helium temperature. Measurements are made as a function of longitudinal position and excitation current. High field data are compared with room temperature measurements of both the collared coil and the completed yoked magnet and with the predicted fields for both the body of the magnet and the coil ends.