Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2007-04-30
Chinese Physics C 2008 32 (05): 342-347
Physics
High Energy Physics
High Energy Physics - Phenomenology
13 pages, 5 figures
Scientific paper
In the strong uniform magnetic field, the noncommutative plane (NCP) caused by the lowest Landau level (LLL) effect, and QED with NCP (QED-NCP) are studied. Being similar to the condensed matter theory of quantum Hall effect, an effective filling factor $f(B)$ is introduced to character the possibility that the electrons stay on the LLL. The analytic and numerical results of the differential cross section for the process of backward Compton scattering in the accelerator with unpolarized or polarized initial photons are calculated. The existing data of BL38B2 in Spring-8 have been analyzed roughly and compared with the numerical predictions primitively. We propose a precise measurement of the differential cross sections of backward Compton scattering in a strong perpendicular magnetic field, which may lead to reveal the effects of QED-NCP.
Huang Wei
Xu Wei-Wei
Yan Mu-Lin
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