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Tuesday 27 August 2013

Discovery Of New Element in Chemistry,having atomic Number 115

23:08
Scientists have presented new evidence for the existence of an unconfirmed element with atomic number
115.

Proposed:

First Proposed by Russian scientists in 2004, the super-heavy element has yet to verified by the governing body of the chemistry and physics.

Evidence:

The New evidence by a Swedish team is published in the journal Physical Review Letters.

''This was a very   successful experiment and is one of the most important in the field in recent years'',said Dirk Rudolph,professor at the division of the atomic physics at Lund University,Who led the search.
After the discovery of element 115,independent confirmation to measure the exact proton number was required,Prof Rudolp said.
He said the finding ''goes beyond the standard measurement''which had been observed previously. A new isotope of a potential new element was produced,which transformed into other particles via a radioactive process named alpha decay. The researchers also gained access to data that they say gives them a deeper  insight into the structure and properties of super-heavy atomic nuclei.

Experiment:

The team bombarded a thin film of the element americium with calcium ions,which allowed them to measure photons in connections with the new element's aplha decay.Certain energies of the phtotons agreed with the expected energies X-ray radiation.which acts as a ''fingerprint'' of a given element.The experiment was conducted at the GSI research facility in Germany,where scientists have previously discovered six other new elements.

Decision: 

The potential of new element will now be reviewed by a committee which consists of members of the international union of pure and applied chemistry and physics
They will decide whether to recommended further experiments before the discovery of the new element is acknowledged

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