TY - GEN AU - Massiczek,O AU - Friedreich,S AU - Juhász,B AU - Widmann,E AU - Zmeskal,J TI - Liquid helium-free cryostat and hermetically sealed cryogenic microwave cavity for hyperfine spectroscopy of antiprotonic helium SN - 0168-9002 PY - 2011/// PB - Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment N1 - Publication Type: Journal Article UR - https://doi.org/10.1016/j.nima.2011.07.039 ER -