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The experiment investigates properties of electron/positron collisions with protons on the HERA collider at DESY Hamburg at the centre of mass energy 920 GeV. Parton distribution functions of proton, discovery of hard diffraction in ep collisions, investigation of virtual photon structure, jet physics and neutral current properties, are the main...
The project is intended to develop and test a new type of hadron calorimeter which will constitute detector on planed International Linear Collider (ILC). The required properties are high density, hermeticity and very high granularity to separate different particle in jets.
Study of heavy ion collisions at ultra high energies represents a hot issue in the contemporary nuclear and particle physics. A fundamental motivation for this study is to verify the prediction of the current theory of the strong interaction (called Quantum Chromo-Dynamics), which implies that at very high temperatures and very high densities of...
The theoretical study and the experimental exploration of the internal structure of protons and neutrons (nucleons) have recently entered a new phase. Over the past 40 years an understanding of nucleons in terms of elementary constituents (partons, i.e. quarks and gluons) has gradually and successfully emerged. Much has been learned about the...
The experiment was started at 1999 and aims to measure the lifetime of π+ π- and πK atoms in the ground state, using the 24 GeV/c proton beam of the CERN Proton Synchrotron. This is very challenging task in light of time and precision of measurement
Under construction
High energy deep-inelastic electron proton collisions are the cleanest ways to study the inner structure of the proton. The electron can probe the proton and its constituents via the electromagnetic interaction, much in the spirit of the famous Rutherford experiment. The electrons thereby send virtual photons towards the proton scanning its...
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