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The gas injection system, referred to as the System for Measuring Overlap With Gas(SMOG2), used in the Large Hadron Collider beauty (LHCb) experiment at CERN,employs storage cells to provide gas targets for collision experiments. In the next stageof development, the LHCSpin project aims to establish a polarized atomic hydrogen gastarget through the utilization of an amorphous carbon-coated storage cell.At the Nuclear Physics Institute of the Jülich research center, an atomic beam sourcecapable of generating a polarized atomic hydrogen beam was available, along with aLamb-shift polarimeter capable of measuring the nuclear polarization of hydrogen atomsand molecules. [...]

Since the beginning of the early quantum mechanics, devices have been built to detect as wellas to manipulate spins of atoms. Those have been investigated as beams, samples or used astargets. [...]

This work was done within the framework of the HITRAP facility, which is designed to decelerate ion bunches down to the sub-eV energy region resulting in a cooled bunch of approximately 105 HCI that can be used for the SPECTRAP experiment, and it was carried out at the GSI/FAIR Institute of Darmstadt in Germany. The SPECtroscopy TRAP, i.e., SPECTRAP, is an experiment located at the ESR hall of this Institute. [...]

For decades, metastable hydrogen atoms have already been produced in one of the two 2S_1/2 α states using a spin-filter. Since 2001, this has also been commonpractice in the Institute for Nuclear Physics at the Research Center in Jülich. [...]