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LEPTA project Measuring lifetime of positrons Laboratory of nuclear problems

LEPTA project Measuring lifetime of positrons Laboratory of nuclear problems Supervisor: S.Yakovenko JINR, Dubna. Goals of the LEPTA project. Dynamics of coupling motion in the stellatron Electron cooling of positrons Positronium generation in flight Positronium physics

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LEPTA project Measuring lifetime of positrons Laboratory of nuclear problems

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  1. LEPTA project Measuring lifetime of positrons Laboratory of nuclear problems Supervisor: S.Yakovenko JINR, Dubna

  2. Goals of the LEPTA project • Dynamics of coupling motion in the stellatron • Electron cooling of positrons • Positronium generation in flight • Positronium physics • Electron cooling with circulating electron beam • Feasibility study ofantihydrogen generation inflight

  3. Design of the LEPTA kicker collector septum 106100sec=108 e+ e-gun cooling section positron trap 22Na106 e+ per sec 104 Ps per sec positronium detector

  4. General parameters of the ring

  5. Beam diagnostic tools and correction coils disposition kicker Vertical PU Vertical PU Electron gun Helical quadrupole Horizontal PU L D D = 79 mm, L = 126 mm

  6. 10 µs Beam lifetime signal from PU Our results: Lifetime: 5,787037 ms “Killer” pulse was applied to the kicker plate

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