Bodek, K. ; Cabanelas, P. ; Ciborowski, J. ; Enders, J. ; Köhler, A. ; Kozela, A. ; Rembielinski, J. ; Rozpedzik, D. ; Wlodarczyk, M. ; Zejma, J. (2013)
Study of quantum spin correlations of relativistic electron pairs - Testing nonlocality of relativistic quantum mechanics.
AIP Conference Proceedings 1563 Worskhop to explore physics opportunities with intense, polarized electron beams at 50-300 MeV, Cambridge, MA, USA (2013).
Konferenzveröffentlichung, Bibliographie

Kurzbeschreibung (Abstract)

The Polish-German project QUEST aims at studying relativistic quantum spin correlations of the Einstein-Rosen-Podolsky-Bohm type, through measurement of the correlation function and the corresponding probabilities for relativistic electron pairs. The results will be compared to theoretical predictions obtained by us within the framework of relativistic quantum mechanics, based on assumptions regarding the form of the relativistic spin operator. Agreement or divergence will be interpreted in the context of non-uniqueness of the relativistic spin operator in quantum mechanics as well as dependence of the correlation function on the choice of observables representing the spin. Pairs of correlated electrons will originate from the Möller scattering of polarized 15 MeV electrons provided by the superconducting Darmstadt electron linear accelerator S-DALINAC, TU Darmstadt, incident on a Be target. Spin projections will be determined using the Mott polarimetry technique. Measurements (starting 2013) are planned for longitudinal and transverse beam polarizations and different orientations of the beam polarization vector w.r.t. the Möller scattering plane. This is the first project to study relativistic spin correlations for particles with mass.

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