The SNS neutron EDM experiment - 8th International UCN ...

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EDM sensitivity: systematics⃗v × ⃗ E effectFor bottled UCN, only quadraticdynamic phase—linear geometricphase may remainmagnetic field fluctationcorrect with 3 He signalpseudomagnetic field in thepresence of polarized 3 Hesignificant but canceled withtwo-cell designgeometric phase aoccurs with B field inhomogeneitydoesn’t cancel between 3 He and ntemperature-dependentFrom Conceptual Design Report for the nEDM Projecta Commins. Am. J. Phys. 59, 1077 (1991),Pendlebury et al. Phys. Rev. A 70, 032102 (2004)Park (for nEDM collaboration) (UC Berkeley) SNS nEDM experiment 7th UCN workshop 6 / 29
SNS nEDM experiment: UCN sourceBeamline from SNSSuperthermal production of UCN ain ultrapure superfluid 4 He at 0.5 Kfinal neutron temperature: 3 mKa Golub and Pendlebury, Phys. Lett. A 62, 337 (1977)Park (for nEDM collaboration) (UC Berkeley) SNS nEDM experiment 7th UCN workshop 7 / 29
Page 1 and 2: The SNS neutron EDM experiment: ove
Page 3 and 4: State of the neutron EDMCurrently:
Page 5 and 6: SNS experiment: distinguishing feat
Page 7 and 8: EDM sensitivity: statistics∆EΩ L
Page 9: EDM sensitivity: statistics∆E +
Page 13 and 14: SNS nEDM experiment: 3 He neutron d
Page 15 and 16: SNS nEDM experiment: Measurement Cy
Page 17 and 18: Measurement CellPark (for nEDM coll
Page 19 and 20: ApparatusPark (for nEDM collaborati
Page 21 and 22: Building (April 2009)Park (for nEDM
Page 23 and 24: The nEDM collaborationM. Ahmed 7 ,
Page 25 and 26: Optical access for Kerr monitorsmal
Page 27 and 28: Kerr monitor: demonstration in a mo
Page 29 and 30: Kerr monitor: implementation within
Page 31 and 32: Kerr monitor: implementation within
Page 33: SummaryThe nEDM collaboration plans

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