2 papers
physics.acc-ph2022
Emittance growth of kicked and mismatched beams due to amplitude-dependent tune shift
E. Waagaard, V. Ziemann
We derive evolution equations for the first and second moments of an initially mismatched, coupled, and displaced arbitrary Gaussian phase-space distribution under the influence of…
physics.ins-det2021
MATLAB Simulations of the Helium Liquefier in the FREIA Laboratory
Elias Waagaard, Roger Ruber, Volker Ziemann
We describe simulations that track a state vector with pressure, temperature, and gas flow through the helium liquefier in the FREIA laboratory. Most components, including threeway…