BROOKHAVEN NATIONAL LABORATORY / SCIENCE PHOTO LIBRARY BROOKHAVEN NATIONAL LABORATORY / SCIENCE PHOTO LIBRARY
STAR particle detector. The photograph shows the installation of the 4. Time Projection Chamber (TPC) that forms the main part of STAR, which detects heavy-ion collisions at RHIC, the Relativistic Heavy-Ion Collider at Brookhaven National Laboratory, Long Island, New York. One end of the TPC can be seen at centre, as engineers prepare to slide it inside STAR's cylindrical electromagnet. The TPC is divided into 12 segements at each end, where the ionization from charged particles traversing the chamber is detected.
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