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001024289 0247_ $$2datacite_doi$$a10.34734/FZJ-2024-02087
001024289 037__ $$aFZJ-2024-02087
001024289 041__ $$aEnglish
001024289 1001_ $$0P:(DE-Juel1)200174$$aMargos, Michael$$b0$$ufzj
001024289 1112_ $$aDPG-Frühjahrstagung$$cBerlin$$d2024-03-17 - 2024-03-22$$gDPG24$$wGermany
001024289 245__ $$aDetermining quadrupole magnetic length shortening in COSY using a Bmad model
001024289 260__ $$c2024
001024289 3367_ $$033$$2EndNote$$aConference Paper
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001024289 502__ $$cRWTH Aachen
001024289 520__ $$aIn particle accelerators and storage rings, electromagnets are used to contain the particle beam. While dipole magnets bend the trajectory, quadrupole magnets focus the beam towards nominal orbit. With multiple quadrupoles used, a coherent oscillation occurs, and the number of oscillations per revolution inside the ring is called betatron tune.To better understand electric dipole moments, the JEDI-Collaboration (Jülich Electric Dipole moment Investigations) in Jülich needs an accurate understanding of its storage ring COSY (COoler SYnchrotron). The model used in the simulation software Bmad and found a discrepancy between betatron tune measurements and computed betatron tune. The primary suspect for this discrepancy is a mismodelling of quadrupole magnets, especially magnetic length shortening due to surrounding ferromagnetic material. Tune measurements with different quadrupole currents applied are compared to model tunes to determine actual quadrupole strengths.
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001024289 536__ $$0G:(EU-Grant)694340$$asrEDM - Search for electric dipole moments using storage rings (694340)$$c694340$$fERC-2015-AdG$$x1
001024289 693__ $$0EXP:(DE-Juel1)JEDI-20170712$$5EXP:(DE-Juel1)JEDI-20170712$$eJülich Electric Dipole moment Investigations$$x0
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001024289 9131_ $$0G:(DE-HGF)POF4-611$$1G:(DE-HGF)POF4-610$$2G:(DE-HGF)POF4-600$$3G:(DE-HGF)POF4$$4G:(DE-HGF)POF$$aDE-HGF$$bForschungsbereich Materie$$lMatter and the Universe$$vFundamental Particles and Forces$$x0
001024289 9141_ $$y2024
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001024289 9201_ $$0I:(DE-Juel1)IKP-2-20111104$$kIKP-2$$lExperimentelle Hadrondynamik$$x0
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