Measurement of the CMS magnetic field

Klyukhin, V.I.; Ball, A.; Bergsma, F.; Campi, D.; Cure, B.; Gaddi, A.; Gerwig, H.; Herve, A.; Korienek, J.; Linde, F.; Lindenmeyer, C.; Loveless, R.; Mulders, M.; Nebel, T.; Smith, R.P.; Stickland, D.; Teafoe, G.; Veillet, L.; Zimmerman, J.K.

Статья опубликована в высокорейтинговом журнале

Информация о цитировании статьи получена из Web of Science, Scopus
Статья опубликована в журнале из списка Web of Science и/или Scopus
Дата последнего поиска статьи во внешних источниках: 18 июля 2013 г.

Авторы: Klyukhin V.I., Ball A., Bergsma F., Campi D., Cure B., Gaddi A., Gerwig H., Herve A., Korienek J., Linde F., Lindenmeyer C., Loveless R., Mulders M., Nebel T., Smith R.P., Stickland D., Teafoe G., Veillet L., Zimmerman J.K.
Журнал: IEEE Transactions on Applied Superconductivity
Том: 18
Номер: 2
Год издания: 2008
Издательство: Institute of Electrical and Electronics Engineers
Местоположение издательства: Piscataway, NJ, United States
Первая страница: 395
Последняя страница: 398
DOI: 10.1109/TASC.2008.921242
Аннотация: The measurement of the magnetic field in the tracking volume inside the superconducting coil of the Compact Muon Solenoid (CMS) detector under construction at CERN is done with a fieldmapper designed and produced at Fermilab. The fieldmapper uses 10 3-D B-sensors (Hall probes) developed at NIKHEF and calibrated at CERN to precision 0.05% for a nominal 4 T field. The precise fieldmapper measurements are done in 33840 points inside a cylinder of 1.724 m radius and 7 m long at central fields of 2, 3, 3.5, 3.8, and 4 T. Three components of the magnetic flux density at the CMS coil maximum excitation and the remanent fields on the steel-air interface after discharge of the coil are measured in check-points with 95 3-D B-sensors located near the magnetic flux return yoke elements. Voltages induced in 22 flux-loops made of 405-turn installed on selected segments of the yoke are sampled online during the entire fast discharge (190 s time-constant) of the CMS coil and integrated offline to provide a measurement of the initial magnetic flux density in steel at the maximum field to an accuracy of a few percent. The results of the measurements made at 4 T are reported and compared with a three-dimensional model of the CMS magnet system calculated with TOSCA.
Добавил в систему: Клюхин Вячеслав Иванович

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