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@INPROCEEDINGS{Mey:188209,
author = {Mey, Sebastian},
title = {{A}n {RF} {E}×{B} {D}ipole for {S}pin {M}anipulation at
{COSY} - {P}rototype {C}ommissioning and {F}irst
{M}easurements},
reportid = {FZJ-2015-01651},
year = {2014},
abstract = {Permanent EDMs (Electric Dipole Moments) of fundamental
particles violate both time invariance and parity and thus,
according to the CPT theorem, imply CP violation. The
standard model prediction for the EDM gives unobservably
small magnitudes, therefore any measurement of non-vanishing
EDMs would be a signature of “new physics”.The JEDI
Collaboration investigates the feasibility of EDM
experiments with charged hadrons in dedicated storage rings.
They incorporate measurements with horizontally polarized
particles. To maximize the lifetime of the horizontal
polarization, systematic studies of unwanted spin rotations
utilizing for instance a vertical RF-B field are required.
To avoid kicking the beam in the horizontal plane, the
resulting Lorentz force needs to be compensated by the force
of an orthogonal electric field, leading to a Wien-Filter
configuration. For preliminary studies, the Cooler
Synchrotron COSY is currently being supplemented with a new
RF-E-B-Dipole.The talk will incorporate the setup of the new
system from the RF-Supply to the electrode and coil
configuration providing the electromagnetic fields, as well
as the commissioning and first measurements taken at COSY.},
month = {Mar},
date = {2014-03-30},
organization = {DPG-Frühjahrstagung der Sektion
Kondensierte Materie, Dresden
(Germany), 30 Mar 2014 - 4 Apr 2014},
subtyp = {Other},
cin = {IKP-4},
cid = {I:(DE-Juel1)IKP-4-20111104},
pnm = {53G - COSY (POF2-53G32)},
pid = {G:(DE-HGF)POF2-53G32},
experiment = {EXP:(DE-Juel1)JEDI-20170712},
typ = {PUB:(DE-HGF)6},
url = {https://juser.fz-juelich.de/record/188209},
}