Lund University                Department of Physics

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The research activities at this division can be subdivided into two main physics fields. Follow these links to get a short physics introduction:
Elementary Particle Physics           Relativistic Heavy-Ion Physics

Below is a short description of our main experimental activities:
ALICE    ATLAS    DELPHI    H1    PHENIX       EUDET NorduGrid    EMI    Lund-HEP EST

The ALICE detector
ALICE - a dedicated heavy ion experiment at the LHC collider at CERN. The goal of the experiment is to study strongly interacting matter at extreme energy densities. Theory predicts that, at sufficiently high densities, there will be a transition from hadronic matter to a plasma of deconfined quarks and gluons - a transition which in the early universe took place about 100 micro-seconds after the Big Bang. The study of nuclear collisions at high energies utilizes methods and concepts from both nuclear and high energy physics constituting a new and interdisciplinary approach in investigating matter and its interactions.
The ATLAS detector
ATLAS - an experiment at the proton-proton collider LHC at CERN. It concentrates on searches of the Higgs boson predicted by the Standard Model (SM), along with other tests of physics beyond the SM. Lund group is involved in the construction of the Transition Radiation Tracker for the ATLAS detector, physics simulation and software development.
The DELPHI detector
DELPHI - was an experiment at the electron-positron collider LEP at CERN. In 1990-1995 the experiment was studying Z boson decays for precision SM and Quantum Chromodynamics (QCD) tests. From 1995 and until 2000, the experiment was working at higher energies, registering W boson events and searching for Higgs and supersymmetry particles. The Lund group was involved in the Small Angle Tile Calorimeter and the Very Small Angle Tagger, in searches for charginos and gravitons, and in studies related to QCD.
The H1 detector
H1 - was an experiment at the electron-proton collider HERA at DESY. The experiment started taking data in 1992 and ended in 2007. Among the physics tasks are measurements of the proton and photon substructures, QCD analyses, tests of the SM and searches for new phenomena. The Lund group is engaged in data analysis, has contributed to the construction of the forward muon system and the muon trigger of H1, and also has been responsible for the development of a complete radiation monitor system within the vertex silicon detector.
The PHENIX detector
PHENIX - an experiment at the Relativistic Heavy-Ion Collider (RHIC) at Brookhaven National Laboratory, USA. The Lund group has been involved in the construction of the so-called Pad Chambers, large multi-wire proportional detectors, essential for the charged particle tracking. The first data were taken during the summer of 2000. RHIC has since delivered gold-gold, gold-deuteron and proton-proton collisions at various beam energies. Read about the new interesting observations here.
NorduGrid EMI
Grid computing is the enabling technology for distributed e-infrastructures for storage and processing of large amounts of data. Such infrastructure, along with the accelerator and detectors, is a necessary component of the LHC operations. NorduGrid and EMI are the projects developing Grid solutions, to which our division contributes.

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