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SuperBelle
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In the SuperBelle experiment (continuing the Belle experiment at KEK, Tsukuba, Japan) CP violation - the asymmetry between matter and antimatter in the universe - is going to be explored. Experiments will be carried out at the asymmetric e+e- storage ring SuperKEKB (Upgrade of the present KEKB), in which quantum-mechanically entangled B-meson pairs can be produced. When those B mesons decay, they enable scientists to precisely test the unitarity of the so-called CKM matrix (cf. the Nobel prize in physics 2008) and give insights to new physics outside the standard model becuase of the high statistics they provide.
The MPP ist part of a collaboration to manufacture a novel pixel vertex detector for the SuperBelle experiment. The Japanese administration will probably give their consent for the upgrade of the KEKB accelerator to SuperKEKB and of the Belle detector to SuperBelle in spring 2009. The conversion of accelerator and detector is expected to start in the last months of 2009. The pixel vertex detector will then be a crucial part of SuperBelle. After the conversion, which will take about three years, data taking with SuperBelle is expected to start in spring 2013.
The DEPFET sensors, which will be a vital part of the project, were designed at the semiconductor laboratory (Halbleiterlabor, HLL) of the MPI für Physik in Munich and the MPI für extraterrestrische Physik in Garching and can only be made at the HLL.
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