001018255 001__ 1018255
001018255 005__ 20250701125847.0
001018255 0247_ $$2datacite_doi$$a10.34734/FZJ-2023-04651
001018255 037__ $$aFZJ-2023-04651
001018255 041__ $$aEnglish
001018255 1001_ $$0P:(DE-Juel1)178627$$aKannis, Chrysovalantis$$b0$$eCorresponding author$$ufzj
001018255 1112_ $$a25th International Spin Symposium$$cDurham$$d2023-09-24 - 2023-09-29$$gSPIN2023$$wUSA
001018255 245__ $$aA universal method to polarize atoms, molecules, and their ions for accelerators, nuclear fusion, or medical applications
001018255 260__ $$c2023
001018255 3367_ $$033$$2EndNote$$aConference Paper
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001018255 3367_ $$0PUB:(DE-HGF)6$$2PUB:(DE-HGF)$$aConference Presentation$$bconf$$mconf$$s1700559817_20773$$xAfter Call
001018255 502__ $$cRWTH Aachen
001018255 520__ $$aOur study of atomic beams passing through a static magnetic field, whose direction reverses along the axis of motion, gave rise to a new, versatile polarization method. For instance, a sinusoidal magnetic field entails a radial component, which is proportional to the gradient in the longitudinal direction. Such a field can be generated by two opposing solenoid coils. As a particle beam travels through the coils, it experiences the static field as an electromagnetic wave in its rest frame. The longitudinal component creates an energy splitting between the atomic hyperfine states and the radial component induces transitions between them. The hyperfine transitions can be described by the absorption of an odd multiple of the corresponding photon energy, so that the total photon energy is equal to the energy splitting between the states. The energy of the photons depends on the relative motion between the particle beam and the magnetic field (for a given wavelength of the sinusoidal field), and the number of the photons rises with increasing magnetic field strength. Therefore, oscillating transition rates are observed while ramping the magnetic field of the apparatus. As a result, it is feasible to achieve a high degree of polarization by adjusting the magnetic field strength. The produced polarization is higher for particles with simple hyperfine structures, e.g., H, D, $^3$He$^+$, etc. These species are required for the investigation of nuclear fusion with polarized fuel or polarized ion sources for accelerators. First measurements with metastable hydrogen beams will be presented. Furthermore, the applicability of this method to molecular samples (for medical applications) needs to be examined.
001018255 536__ $$0G:(DE-HGF)POF4-612$$a612 - Cosmic Matter in the Laboratory (POF4-612)$$cPOF4-612$$fPOF IV$$x0
001018255 65027 $$0V:(DE-MLZ)SciArea-200$$2V:(DE-HGF)$$aNuclear Physics$$x0
001018255 65017 $$0V:(DE-MLZ)GC-2001-2016$$2V:(DE-HGF)$$aNuclei and Particles$$x0
001018255 7001_ $$0P:(DE-Juel1)191053$$aAswani, Sahil Vijaykumar$$b1
001018255 7001_ $$0P:(DE-Juel1)131108$$aBüscher, Markus$$b2$$ufzj
001018255 7001_ $$0P:(DE-Juel1)184390$$aEl-Kordy, Tarek Ahmed$$b3
001018255 7001_ $$0P:(DE-Juel1)131141$$aEngels, Ralf W.$$b4$$ufzj
001018255 7001_ $$0P:(DE-Juel1)192187$$aFaatz, Nicolas$$b5$$ufzj
001018255 7001_ $$0P:(DE-Juel1)131182$$aHanhart, Christoph$$b6$$ufzj
001018255 7001_ $$0P:(DE-Juel1)194961$$aKunkel, Lukas$$b7$$ufzj
001018255 7001_ $$0P:(DE-Juel1)131234$$aLehrach, Andreas$$b8$$ufzj
001018255 7001_ $$0P:(DE-Juel1)131326$$aSefzick, Thomas$$b9$$ufzj
001018255 7001_ $$0P:(DE-Juel1)133754$$aSoltner, Helmut$$b10$$ufzj
001018255 7001_ $$0P:(DE-Juel1)177964$$aZheng, Chuan$$b11$$ufzj
001018255 8564_ $$uhttps://juser.fz-juelich.de/record/1018255/files/spin2023_kannis_public.pptx$$yOpenAccess
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001018255 9141_ $$y2023
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001018255 9201_ $$0I:(DE-Juel1)IKP-2-20111104$$kIKP-2$$lExperimentelle Hadrondynamik$$x0
001018255 9201_ $$0I:(DE-Juel1)IKP-4-20111104$$kIKP-4$$lKernphysikalische Großgeräte$$x1
001018255 9201_ $$0I:(DE-Juel1)PGI-6-20110106$$kPGI-6$$lElektronische Eigenschaften$$x2
001018255 9201_ $$0I:(DE-Juel1)ZEA-1-20090406$$kZEA-1$$lZentralinstitut für Technologie$$x3
001018255 9201_ $$0I:(DE-Juel1)IKP-3-20111104$$kIKP-3$$lTheorie der starken Wechselwirkung$$x4
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