MOST has brought together the scientific interests of the community previously working at the gas-phase photoemission (GasPhase) and circular polarization (CiPo) beamlines for studies of isolated species (atoms, molecules, clusters, and nanoparticles), chirality, liquids, and adsorbed systems. It therefore addresses basic and applied science topics, as well as contributing to the development of new methodologies for cutting-edge synchrotron radiation spectroscopy.

Its characteristics make this facility ideal for investigating the spectroscopy and dynamics of basic processes like inner-shell and multiple excitations and ionization, as well as dichroic spectroscopies, including Photoelectron Circular Dichroism (PECD) of chiral molecules  and photoionization and photofragmentation dynamics of organic systems for characterizing key processes relevant to several areas of science and technology (for example atmospheric chemistry, material science and biomedical sciences). MOST can accomodate also experiments of  X-Ray Magnetic Circular Dichroism (XMCD) and Resonant Soft X-Ray Scattering (RSXS) on magnetic films and low-dimensional systems. 

Due to the large variety of the experimetal techniques available at MOST, that can also request for different experimental chambers, first time users are strongly encouraged to take contact with scientists of the staff before submitting a proposal.

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