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ACCELERATORS

ACCELERATORS. Timothy Koeth Rutgers University . Machines:. Motivation History Failed attempts Linear accelerator concepts Cyclotron LINAC Syncrocyclotron (Frequecy Modulated cyclotron) Even Bigger Physics. Nuclear Investigations. Naturally occurring radiations provided .

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ACCELERATORS

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  1. ACCELERATORS Timothy Koeth Rutgers University

  2. Machines: • Motivation • History • Failed attempts • Linear accelerator concepts • Cyclotron • LINAC • Syncrocyclotron (Frequecy Modulated cyclotron) • Even Bigger Physics

  3. Nuclear Investigations • Naturally occurring radiations provided

  4. “Start the ball rolling…” 1927: Lord Rutherford requested a “copious supply” of projectiles more energetic than natural alpha and beta particles. At the opening of the resulting High Tension Laboratory, Rutherford went on to reiterate the goal: What we require is an apparatus to give us a potential of the order of 10 million volts which can be safely accommodated in a reasonably sized room and operated by a few kilowatts of power. We require too an exhausted tube capable of withstanding this voltage… I see no reason why such a requirement cannot be made practical.

  5. FAILED ATTEMPTS 1928: Curt Urban, Arno Brasch, and Fritz Lange successfully achieved 15 MV by harnessing lightning in the Italian Alps ! The two who survived the experiment went on to design an accelerator tube capable of withstanding that voltage.

  6. FAILED ATTEMPTS1930 • Intense power requirement • Insulator technology was not available • Large oil filled tanks “acchived” 5 MV • Still, no capable accelerating tube available

  7. Try, try and try again • Brash

  8. 1927: The Million Volt BarrierSome Problems in getting HV • Voltage Generators • Insulators

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