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SPEAR (originally Stanford Positron Electron Asymmetric Rings, now simply a name) was a collider at the SLAC National Accelerator Laboratory. It began running in 1972, colliding electrons and positrons with an energy of 3 GeV. During the 1970s, experiments at the accelerator played a key role in particle physics research, including the discovery of the J/ψ meson (awarded the 1976 Nobel Prize in physics), many charmonium states, and the discovery of the tau (awarded the 1995 Nobel Prize in physics).

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  • SPEAR (en)
  • SPEAR (ru)
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  • SPEAR (англ. Stanford Positron Electron Asymmetric Rings) — электрон-позитронный коллайдер на энергию до 3.5 ГэВ, работавший в 1972-1990 годах в Национальной лаборатории SLAC, штат Калифорния, США. В настоящее время, после ряда апгрейдов, используется как источник синхротронного излучения SPEAR3. (ru)
  • SPEAR (originally Stanford Positron Electron Asymmetric Rings, now simply a name) was a collider at the SLAC National Accelerator Laboratory. It began running in 1972, colliding electrons and positrons with an energy of 3 GeV. During the 1970s, experiments at the accelerator played a key role in particle physics research, including the discovery of the J/ψ meson (awarded the 1976 Nobel Prize in physics), many charmonium states, and the discovery of the tau (awarded the 1995 Nobel Prize in physics). (en)
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  • SPEAR (originally Stanford Positron Electron Asymmetric Rings, now simply a name) was a collider at the SLAC National Accelerator Laboratory. It began running in 1972, colliding electrons and positrons with an energy of 3 GeV. During the 1970s, experiments at the accelerator played a key role in particle physics research, including the discovery of the J/ψ meson (awarded the 1976 Nobel Prize in physics), many charmonium states, and the discovery of the tau (awarded the 1995 Nobel Prize in physics). Today, SPEAR is used as a synchrotron radiation source for the Stanford Synchrotron Radiation Lightsource (SSRL). The latest major upgrade of the ring in that finished in 2004 rendered it the current name SPEAR3. (en)
  • SPEAR (англ. Stanford Positron Electron Asymmetric Rings) — электрон-позитронный коллайдер на энергию до 3.5 ГэВ, работавший в 1972-1990 годах в Национальной лаборатории SLAC, штат Калифорния, США. В настоящее время, после ряда апгрейдов, используется как источник синхротронного излучения SPEAR3. (ru)
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