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Existence of new element confirmed

Date:
August 27, 2013
Source:
Lund University
Summary:
An international team of researchers has confirmed the existence of what is considered a new element with atomic number 115. The experiment was conducted at the GSI research facility in Germany. The results confirm earlier measurements performed by research groups in Russia.

Researchers from Lund University in Sweden have presented fresh evidence that confirms the existence of a previously unknown chemical element.
Credit: Š Anna / Fotolia

An international team of researchers, led by physicists from Lund University, has confirmed the existence of what is considered a new element with atomic number 115. The experiment was conducted at the GSI research facility in Germany. The results confirm earlier measurements performed by research groups in Russia.

“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 Atomic Physics at Lund University.

Besides the observations of the new chemical element, the researchers have also gained access to data that gives them a deeper insight into the structure and properties of super-heavy atomic nuclei.

By bombarding a thin film of americium with calcium ions, the research team was able to measure photons in connection with the new element’s alpha decay. Certain energies of the photons agreed with the expected energies for X-ray radiation, which is a ‘fingerprint’ of a given element.

The new super-heavy element has yet to be named. A committee comprising members of the international unions of pure and applied physics and chemistry will review the new findings to decide whether to recommend further experiments before the discovery of the new element is acknowledged.


Story Source:

The above story is based on materials provided by Lund University. Note: Materials may be edited for content and length.


Cite This Page:

Lund University. "Existence of new element confirmed." ScienceDaily. ScienceDaily, 27 August 2013. <www.sciencedaily.com/releases/2013/08/130827091636.htm>.
Lund University. (2013, August 27). Existence of new element confirmed. ScienceDaily. Retrieved August 29, 2014 from www.sciencedaily.com/releases/2013/08/130827091636.htm
Lund University. "Existence of new element confirmed." ScienceDaily. www.sciencedaily.com/releases/2013/08/130827091636.htm (accessed August 29, 2014).

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New Superheavy Elements Can Be Uniquely Identified

Aug. 30, 2013 — Researchers presents fresh evidence that confirms the existence of the superheavy chemical element 115. The experiment provided a way to directly identify new superheavy elements. Elements beyond ... read more
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