title: An ultra-high vacuum chamber for scattering experiments featuring in-vacuum continuous in-plane variation of the angle between entrance and exit vacuum ports.
abstract: A concept that enables in-vacuum continuous variation of the angle between two ports in one plane has been developed and implemented. The vacuum chamber allows for measuring scattering cross sections as a function of scattering angle and is intended for resonant inelastic X-ray scattering experiments. The angle between the ports can be varied in the range of 30°-150°, while the pressure change is less than 2 × 10(-10) mbars.
authors.affiliation: Department of Physics and Astronomy, Uppsala University, P.O. Box 516, SE-751 20 Uppsala, Sweden.
authors.forename: Carl-Johan
authors.initials: CJ
authors.lastname: Englund
authors.affiliation: Department of Physics and Astronomy, Uppsala University, P.O. Box 516, SE-751 20 Uppsala, Sweden.
authors.forename: Marcus
authors.initials: M
authors.lastname: Agåker
authors.affiliation: Department of Physics and Astronomy, Uppsala University, P.O. Box 516, SE-751 20 Uppsala, Sweden.
authors.forename: Pierre
authors.initials: P
authors.lastname: Fredriksson
authors.affiliation: Department of Physics and Astronomy, Uppsala University, P.O. Box 516, SE-751 20 Uppsala, Sweden.
authors.forename: Anders
authors.initials: A
authors.lastname: Olsson
authors.affiliation: Department of Physics and Astronomy, Uppsala University, P.O. Box 516, SE-751 20 Uppsala, Sweden.
authors.forename: Niklas
authors.initials: N
authors.lastname: Johansson
authors.affiliation: Department of Physics and Astronomy, Uppsala University, P.O. Box 516, SE-751 20 Uppsala, Sweden.
authors.forename: Jan-Erik
authors.initials: JE
authors.lastname: Rubensson
authors.affiliation: Department of Physics and Astronomy, Uppsala University, P.O. Box 516, SE-751 20 Uppsala, Sweden.
authors.forename: Joseph
authors.initials: J
authors.lastname: Nordgren