Forum for Science, Industry and Business

Sponsored by:     3M 
Search our Site:

 

Scientist of the University of Ghent discovers natural atom antihydrogen

04.03.2005


On February 15, 2005 of the Physics/Einstein Year, the complete story of the discovery of natural atom antihydrogen, started in 1985, was published on-line.



The antihydrogen problem has become a highly mediatic issue, both in the specialized physics and the more general press [1]. A real hype started at the end of 2002 when rivalling CERN-based groups ATHENA and ATRAP both claimed the production of large quantities of artificial antihydrogen. Scientists, wondering about a signature for the presence of this mysterious species antihydrogen, were disappointed as no direct signature whatever was presented. In fact, a spectral identification of antihydrogen is impossible since measuring its spectrum is exactly the goal of ATHENA and ATRAP collaborations.

Strangely, the same media failed to report that on October 21 2002, a paper was published with a signature for the antihydrogen atom in the observed line spectrum of natural H [2], an essential step in the discovery of natural antihydrogen by G. Van hooydonk, science professor at and former Chief-Librarian of the Ghent University. This signature would not make sense if it was not confirming an earlier signature in the band spectrum of natural molecular hydrogen [3]. Both types of complementary signatures for natural antihydrogen, as well as a Mexican hat-type potential [4], were left unnoticed since the time of Bohr.


The information published online is available in print in the 2005 March issue of the European Physical journal D [5]. With its sound theoretical basis, this discovery has drastic repercussions for physics at large and for atomic and molecular physics (chemistry) in particular. According to the referees, the story is fascinating to read. The existence of natural antihydrogen not only flaws the CERN-experiments on artificial antihydrogen [6]; it is also important for the three fundamental symmetries CPT in physics and for Einstein’s WEP. The existence of natural antihydrogen also immediately solves the long standing problem of the so-called matter-antimatter asymmetry of the Universe, where natural hydrogen is the most abundant species [7]. As a matter of fact, in natural stable molecular hydrogen, the amounts of atom hydrogen and of its mirrored counterpart antihydrogen must be exactly the same for old-fashioned stochiometric reasons.

[1] C. Seife, Science 298, 1327 (2002); ibidem 307, 26 (2005) and hundreds of press releases worldwide
[2] G. Van Hooydonk, Phys. Rev. A 66, 044103 (2002)
[3] G. Van Hooydonk, Spectrochim. Acta A 56, 2273 (2000); physics/0003005 (2000)
[4] G. Van Hooydonk, Acta Phys. Hung. A NS 19, 385 (2004), lecture at the Wigner Centennial 2002, Pecs, Hungary; http://quantum.ttk.pte.hu/~wigner/proceedings/papers/w73.pdf
[5] G. Van Hooydonk, Eur. Phys. J D 32, 299 (2005)
[6] G. Van Hooydonk, physics/0505074 (2005)

Guido van Hooydonk | alfa
Further information:
http://www.ugent.be

More articles from Physics and Astronomy:

nachricht New quantum liquid crystals may play role in future of computers
21.04.2017 | California Institute of Technology

nachricht Light rays from a supernova bent by the curvature of space-time around a galaxy
21.04.2017 | Stockholm University

All articles from Physics and Astronomy >>>

The most recent press releases about innovation >>>

Die letzten 5 Focus-News des innovations-reports im Überblick:

Im Focus: Deep inside Galaxy M87

The nearby, giant radio galaxy M87 hosts a supermassive black hole (BH) and is well-known for its bright jet dominating the spectrum over ten orders of magnitude in frequency. Due to its proximity, jet prominence, and the large black hole mass, M87 is the best laboratory for investigating the formation, acceleration, and collimation of relativistic jets. A research team led by Silke Britzen from the Max Planck Institute for Radio Astronomy in Bonn, Germany, has found strong indication for turbulent processes connecting the accretion disk and the jet of that galaxy providing insights into the longstanding problem of the origin of astrophysical jets.

Supermassive black holes form some of the most enigmatic phenomena in astrophysics. Their enormous energy output is supposed to be generated by the...

Im Focus: A Quantum Low Pass for Photons

Physicists in Garching observe novel quantum effect that limits the number of emitted photons.

The probability to find a certain number of photons inside a laser pulse usually corresponds to a classical distribution of independent events, the so-called...

Im Focus: Microprocessors based on a layer of just three atoms

Microprocessors based on atomically thin materials hold the promise of the evolution of traditional processors as well as new applications in the field of flexible electronics. Now, a TU Wien research team led by Thomas Müller has made a breakthrough in this field as part of an ongoing research project.

Two-dimensional materials, or 2D materials for short, are extremely versatile, although – or often more precisely because – they are made up of just one or a...

Im Focus: Quantum-physical Model System

Computer-assisted methods aid Heidelberg physicists in reproducing experiment with ultracold atoms

Two researchers at Heidelberg University have developed a model system that enables a better understanding of the processes in a quantum-physical experiment...

Im Focus: Glacier bacteria’s contribution to carbon cycling

Glaciers might seem rather inhospitable environments. However, they are home to a diverse and vibrant microbial community. It’s becoming increasingly clear that they play a bigger role in the carbon cycle than previously thought.

A new study, now published in the journal Nature Geoscience, shows how microbial communities in melting glaciers contribute to the Earth’s carbon cycle, a...

All Focus news of the innovation-report >>>

Anzeige

Anzeige

Event News

Expert meeting “Health Business Connect” will connect international medical technology companies

20.04.2017 | Event News

Wenn der Computer das Gehirn austrickst

18.04.2017 | Event News

7th International Conference on Crystalline Silicon Photovoltaics in Freiburg on April 3-5, 2017

03.04.2017 | Event News

 
Latest News

New quantum liquid crystals may play role in future of computers

21.04.2017 | Physics and Astronomy

A promising target for kidney fibrosis

21.04.2017 | Health and Medicine

Light rays from a supernova bent by the curvature of space-time around a galaxy

21.04.2017 | Physics and Astronomy

VideoLinks
B2B-VideoLinks
More VideoLinks >>>