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ASACUSA trap group (MUSASHI) †ASACUSA-MUSASHI group focuses on atomic collision process in low energy region. Also we carry out the program of spectroscopy of cold antihydrogen atoms. These researches are going on at CERN AD. News †
Research Topics of ASACUSA-MUSASHI group †Making Ultra-Slow Antiproton beams †Our developing antiproton beam source, MUSASHI, can provide ultra-slow antiproton beams. The beams decelerated by the RFQD are trapped and cooled in an antiproton trap of MUSASHI, and extracted at energies of 10-1000 eV.  ASACUSA MUSASHI antiproton trap
Atomic collisions --- Antiprotonic atom formation †The ultra-slow antiproton beam which is extracted stably from the MUSASHI apparatus at energies of the region of atomic physics, has opened up the possibility to study ionization and atomic capture processes between a very slow monoenergetic antiproton and an atom under the single-collision condition for the first time.  Supersonic gas jet chamber
Antihydrogen atom fromation and spectroscopy --- Cusp trap †We proposed a cusp trap in which antihydrogen Rydberg states may not only be synthesized at low temperatures but also trapped at for a time long enough to allow most of them to cascade down to the ground state for subsequent use in a variety of experiments. The cusp trap consists of a magnetic quadrupole (cusp) field formed by a pair of superconducting solenoids together with an electrostatic octupole.  CUSP trap for antihydrogen atoms
group members †Publications †Links †Brief description about antimatter for general public by CERN : http://livefromcern.web.cern.ch/livefromcern/antimatter/index.html ASACUSA Collaboration : International collaboration for physics with slow antiprotons
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