Difference between revisions of "Cockcroft and Walton Experiment"

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This '''experiment''' by [[John Cockcroft]] and [[Ernest Walton]] is heralded by most physicists  as demonstrating that ''[[E=mc2|E=mc<sup>2</sup>]]''.<ref>http://cerncourier.com/cws/article/cern/31864</ref>
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This '''experiment''' by [[John Cockcroft]] and [[Ernest Walton]] is heralded by most physicists  as demonstrating that ''[[E=mc2|E=mc<sup>2</sup>]]''.<ref>[http://cerncourier.com/cws/article/cern/31864 Mike Poole ''Cockcroft's subatomic legacy: splitting the atom''], Cern Courier, Nov 20, 2007</ref>
  
 
Conducted in April 1932 at the [[University of Cambridge]], England, physicists Cockroft and Walton successfully split [[lithium]] atom [[nucleus|nuclei]] by colliding them with artificially accelerated protons. This experiment is general hailed as being the first [[transmutation]] of an element using artificially accelerated particles, for which they were honored with the [[Nobel Prize]] in 1951<ref>http://www.nobelprize.org/nobel_prizes/physics/laureates/1951/</ref>.  
 
Conducted in April 1932 at the [[University of Cambridge]], England, physicists Cockroft and Walton successfully split [[lithium]] atom [[nucleus|nuclei]] by colliding them with artificially accelerated protons. This experiment is general hailed as being the first [[transmutation]] of an element using artificially accelerated particles, for which they were honored with the [[Nobel Prize]] in 1951<ref>http://www.nobelprize.org/nobel_prizes/physics/laureates/1951/</ref>.  

Revision as of 07:03, 23 January 2013

This experiment by John Cockcroft and Ernest Walton is heralded by most physicists as demonstrating that E=mc2.[1]

Conducted in April 1932 at the University of Cambridge, England, physicists Cockroft and Walton successfully split lithium atom nuclei by colliding them with artificially accelerated protons. This experiment is general hailed as being the first transmutation of an element using artificially accelerated particles, for which they were honored with the Nobel Prize in 1951[2].

Critics maintain that such verification is impossible due to the utter lack of any logical justification for that science fiction formula.

Since the experiment showed that mass could be converted directly into energy through nuclear transmutation it is generally seen as being an impressive verification of Albert Einstein's famous E=mc2 formula[3][4].


(explain experiment)

References

  1. Mike Poole Cockcroft's subatomic legacy: splitting the atom, Cern Courier, Nov 20, 2007
  2. http://www.nobelprize.org/nobel_prizes/physics/laureates/1951/
  3. http://www.aip.org/history/einstein/emc1.htm
  4. http://homepage.eircom.net/~louiseboylan/Pages/Cockroft_walton.htm