PALAVRAS EM INGLÊS RELACIONADAS COM «POSITRONIUM»
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10 LIVROS EM INGLÊS RELACIONADOS COM «POSITRONIUM»
Descubra o uso de
positronium na seguinte seleção bibliográfica. Livros relacionados com
positronium e pequenos extratos deles para contextualizar o seu uso na literatura.
1
Principles and Applications of Positron &
Positronium Chemistry
A comprehensive description of the principles and applications of positron and positronium chemistry. Pedagogical and tutorial in nature, it should be useful for graduate students and researchers in positron annihilation spectroscopy.
Y. C. Jean, P. E. Mallon, D. M. Schrader,
2002
2
Pore Characterization of Ultralow-k Dielectric Thin Films ...
However, in insulating materials, a positron and an electron, before they
annihilate, can sometimes form a meta-stable bound state called positronium (Ps
). Ps can have singlet or triplet spin states with different intrinsic annihilation rates
...
The decay rate of ground state ortho-positronium in vacuum, o.^o.ps, has been
investigated more often than any other property of positronium, because it is
relatively straightforward to produce the atom in abundance and the accurate ...
M. Charlton, J. W. Humberston,
2001
4
Positron Annihilation in Semiconductors: Defect Studies
3.1.6 Positronium Formation Positronium (Ps) represents a bound state between
a positron and an electron, which can be treated formally as an hydrogen atom.
The Schrodinger equation for positronium is identical to that for hydrogen, where
...
Reinhard Krause-Rehberg, Hartmut S. Leipner,
1999
5
Handbook of Nuclear Chemistry: Chemical applications of ...
Positronium is a system very similar to a hydrogen atom but its mass is 920 times
smaller, because the proton is substituted by the much lighter positron. Because
of its lightness, the positronium atom has a smaller binding energy than a ...
Attila Vértes, Sándor Nagy, Zoltan Klencsár,
2003
6
Positron Spectroscopy of Solids
Thus the spin of the positron is unlikely to change during the emission process
because spin-orbit interaction energies are smaller by a factor of a2 than the
Coulomb energies involved in the positron and positronium work functions. 1'4.
Alfredo Dupasquier, Allen P. Mills,
1995
7
Nuclear and Radiation Chemistry
The structure of positronium is similar to the hydrogen atoms. The mass of
positronium is 920 times smaller than the mass of protium (H+). Positronium has
a system of excited levels, similar to the excited levels of hydrogen atoms. Its
levels of ...
8
Atoms, Molecules and Photons: An Introduction to Atomic-, ...
6.7.4 Positronium and Muonium Positronium is a hydrogen-like system consisting
of an electron e− and a positron e+. Its investigation gives very interesting
information about a pure leptonic system of two light particles with equal masses,
...
What are the possible values of the total angular momentum j of positronium in
this n = 1 state? 3. Positronium in its ground state decays into two photons:9 e− +
e+ → 2 In the positronium rest frame the two photons leave the decay point with ...
10
Nuclear and Radiochemistry
Positronium. It is also possible for the collision between a thermalized positron
and an electron to result in the transient formation of a bound system, an atom of
positronium (e+e ), before annihilation occurs. Positronium, which we denote by ...
10 NOTÍCIAS NAS QUAIS SE INCLUI O TERMO «POSITRONIUM»
Conheça de que se fala nos meios de comunicação nacionais e internacionais e como se utiliza o termo
positronium no contexto das seguintes notícias.
Revealed: Positronium's behavior in particle billiards
"Positrons and positronium are important for our understanding of the physical universe," says Professor Gaetana Laricchia (UCL Physics ... «Phys.Org, jul 15»
From Bombay to New York
Of greatest appeal to me was Sergio De Benedetti, whose research included experimental work on positronium, muonic atoms, and, most ... «Physics Today, jun 15»
Physicists find ways to increase antihydrogen production
"Presently, positronium can be excited to high-energy states, known as Rydberg states," Kadyrov said. "Next we want to investigate antiproton ... «Phys.Org, mai 15»
Given a multiverse, does astrology work somewhere?
That sounds like a proper “big bang machine”, until you realise that the same is true for the little positronium beam upstairs from my office at ... «The Guardian, mar 15»
High-energy Photonics: Positronium photons characterize gummy …
If a positron encounters an electron, the two particles briefly form an exotic atom-like object called positronium, then annihilate, producing two ... «Laser Focus world, fev 15»
Gummy bears under antiparticle fire
If a positron encounters an electron they briefly form an exotic particle, the so-called positronium. Shortly after it annihilates to a flash of light. «Phys.Org, dez 14»
Last Things: Cold Comfort in the Far Future
“Positronium” is an “atom” of a positron, an anti-electron, orbiting with an electron, much like a hydrogen atom. In September, 2002, a European ... «Institute for Ethics and Emerging Technologies, out 14»
Not Your Standard Atom - What Is Muonium?
Before researchers discovered muonium, another artificial atom was the subject of intense study – positronium. Predicted in 1934 by a Croatian ... «Decoded Science, set 14»
Could Antimatter Weapons and Energy Become a Reality Some Day?
The goal is to eventually use positronium to stabilize antimatter for much longer periods of time. Furthermore, they can use silicon, which is ... «Top Secret Writers, ago 14»
Mad Science: How to Build a Gamma-Ray Laser with Antimatter
They found that, when a certain amount of energy was provided for positronium, it would make laser light, but at other energies, it wouldn't. «LiveScience.com, mai 14»