Difference between revisions of "Cockcroft and Walton Experiment"

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An experiment by Cockcroft and 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> Conducted in April 1932 in Cambridge England, physicists John Cockcroft and Ernest 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<ref>http://www.nobelprize.org/nobel_prizes/physics/laureates/1951/</ref>. Since the experiment showed that mass could be converted directly into energy through [[nuclear transmutation]] it is often heralded as being verification of Einstein's famous ''[[E=mc2|E=mc<sup>2</sup>]]'' formula<ref>http://www.aip.org/history/einstein/emc1.htm</ref><ref>http://homepage.eircom.net/~louiseboylan/Pages/Cockroft_walton.htm</ref>. Critics maintain that such verification is impossible due to the utter lack of any logical justification for that science fiction formula.
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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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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>.
  
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Critics maintain that such verification is impossible due to the utter lack of any logical justification for that science fiction formula.
  
explain experiment)
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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|E=mc<sup>2</sup>]]'' formula<ref>http://www.aip.org/history/einstein/emc1.htm</ref><ref>http://homepage.eircom.net/~louiseboylan/Pages/Cockroft_walton.htm</ref>.
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(explain experiment)
  
 
== References ==
 
== References ==
  
 
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[[Category:Physics]]

Revision as of 02:24, 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. http://cerncourier.com/cws/article/cern/31864
  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