anonymous
  • anonymous
What is a particle accelerator??
MIT 8.01 Physics I Classical Mechanics, Fall 1999
katieb
  • katieb
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anonymous
  • anonymous
A particle accelerator is a device that uses electromagnetic fields to propel charged particles to high speeds.eg; LHC, Tevatron etc particle accelerators are used in a large variety of applications. Because colliders can give evidence on the structure of the subatomic world.
anonymous
  • anonymous
IF U WANT TO STUDY ABOUT AN OBJECT...U CRACK IT OPEN AND C IT...SIMILARLY TO STDY ABT ATOMS U HAVE TO CRACK IT OPEN...BUT THIS ISNT AN EASY TASK WHY....THE NUCLEUS IN AN ATOM IS STRONGLY BOUND...HOW MUCH .......NEARLY 10 TO THE POWER 40 TIMES THE GRAVITY U R EXPERIENCING...SO SCIENTISTS USE THESE DEVICES TO ACCELERATE PARTICLES TO SPEED NEARLY EQUAL TO LIGHT....99.99% OF LIGHT SPEED....BUT REMEMBER ONLY IONS WITH POSITIVE CHARGE CAN BE ACCELERATED BY ELECTRIC AND MAGNETIC FIELDS...WHEN U SWING IN A SWING EVERYTIME A PERSON PUSHES TO INCREASE UR SPEED ..THE SAME WAY EVERYTIME THE IONS ARE PUSHED(REPELLED) BY ELECTRIC AND MAGNETIC FIELDS....THE PRINCIPLE BEHIND PARTICLE ACCELERATOR IS MAGNETIC LORENTZ FORCE
anonymous
  • anonymous
A cathode ray tube (CRT) is a particle accelerator. Old TV's and oscilloscopes use this method. Electrons are accelerated through a high voltage, attracted to the anode. Electrons are emitted through heating a metal filament. These are accelerated through a high voltage (+5,000V) and hit the phosphorous screen at the other end. As everyone else says the better known ones are LHC and Tevatron. But the CRT is the most obvious and you have seen one up close.

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