Clas på Hörnet Clas på Hörnet Clas på Hörnet is a hotel and restaurant on Surbrunnsgatan in Vasastan, Stockholm, Sweden, located to the northeast of the Stockholm School of Economics. It was founded by restaurateur Christer von Arnold in 1984. The building itself was originally the Browallshof inn, founded by Clas Browall in 1731. The 18th-century inn is famous in history as it is frequently mentioned in the poetry of Carl Michael Bellman. In 1731, Clas Browall (d. 1742) and his spouse Annika Browall (d. 1749) bought the building called "Hjärpes gård" (Hjärpe farm) for their mutual savings from the inn "Ingemarshof", where
CLAS detector CLAS detector CEBAF Large Acceptance Spectrometer (CLAS) is a nuclear and particle physics detector located in the experimental Hall B at Jefferson Laboratory in Newport News, Virginia, United States. It is used to study the properties of the nuclear matter by the collaboration of over 200 physicists (CLAS Collaboration) from many countries all around the world. The 0.5 to 12.0 GeV electron beam from the accelerator of Jefferson Laboratory is brought into "Hall B", the experimental hall that houses the CLAS system. Electrons or photons in the incoming beam collide with the nuclei of atoms in the physics "target" located