Beam-based alignment at the Cooler Synchrotron COSY as a prerequisite for an electric dipole moment measurement

Wagner, T.; Nass, A.; Pretz, J.; Abusaif, F.; Aggarwal, A.; Andres, A.; Bekman, I.; Canale, N.; Ciepal, I.; Ciullo, G.; Dahmen, F.; Dymov, S.; Ehrlich, C.; Gebel, R.; Grigoryev, K.; Grzonka, D.; Hejny, V.; Hetzel, J.; Kacharava, A.; Kamerdzhiev, V.; Karanth, S.; Keshelashvili, I.; Kononov, A.; Kulikov, A.; Laihem, K.; Lehrach, A.; Lenisa, P.; Lomidze, N.; Magiera, A.; Mchedlishvili, D.; Müller, F.; Nikolaev, N.N.; Pesce, A.; Poncza, V.; Rathmann, F.; Retzlaff, M.; Saleev, A.; Schmühl, M.; Shergelashvili, D.; Shmakova, V.; Slim, J.; Stahl, A.; Stephenson, E.; Ströher, H.; Tabidze, M.; Tagliente, G.; Talman, R.; Uzikov, Y.; Valdau, Y.; Wrońska, A.

Авторы: Wagner T., Nass A., Pretz J., Abusaif F., Aggarwal A., Andres A., Bekman I., Canale N., Ciepal I., Ciullo G., Dahmen F., Dymov S., Ehrlich C., Gebel R., Grigoryev K., Grzonka D., Hejny V., Hetzel J., Kacharava A., Kamerdzhiev V., Karanth S., Keshelashvili I., Kononov A., Kulikov A., Laihem K., Lehrach A., Lenisa P., Lomidze N., Magiera A., Mchedlishvili D., Müller F., Nikolaev N.N., Pesce A., Poncza V., Rathmann F., Retzlaff M., Saleev A., Schmühl M., Shergelashvili D., Shmakova V., Slim J., Stahl A., Stephenson E., Ströher H., Tabidze M., Tagliente G., Talman R., Uzikov Y., Valdau Y., Wrońska A.
Журнал: Journal of Instrumentation
Том: 16
Номер: 02
Год издания: 2021
Издательство: IOP Publishing
Местоположение издательства: [Bristol, UK], England
Первая страница: T02001
Последняя страница: T02001
DOI: 10.1088/1748-0221/16/02/t02001
Аннотация: The Jülich Electric Dipole moment Investigation (JEDI) collaboration aims at a direct measurement of the Electric Dipole Moment (EDM) of protons and deuterons using a storage ring. The measurement is based on a polarization measurement. In order to reach highest accuracy, one has to know the exact trajectory through the magnets, especially the quadrupoles, to avoid the influence of magnetic fields on the polarization vector. In this paper, the development of a beam-based alignment technique is described that was developed and implemented at the COoler SYnchrotron (COSY) at Forschungszentrum Jülich. Well aligned quadrupoles permit one to absolutely calibrate the Beam Position Monitors (BPMs). The method is based on the fact that a particle beam, which does not pass through the center of a quadrupole, experiences a deflection. The precision reached by the method is approximately 40μm. Some consequences for the design of a new high precision storage ring for EDM mesasurements are discussed.
Добавил в систему: Узиков Юрий Николаевич

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Beam-based alignment at the Cooler Synchrotron COSY as a prerequisite for an electric dipole moment measurementстатья

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