Budker Institute of Nuclear Physics (Novosibirsk, <MASK>). Its main projects are now the electron-positron colliders VEPP-2000,  operated since 2006, and VEPP-4, started experiments in 1994. Earlier facilities include the first electron-electron beam-beam collider VEP-1, which conducted experiments from 1964 to 1968; the electron-positron colliders VEPP-2, operated from 1965 to 1974; and, its successor VEPP-2M, performed experiments from 1974 to 2000.
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