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Particle Physics
Relatively recent experimental results have confirmed what philosophers throughout history had theorized all along; that all matter is made up of elementary particles. Those curious about this cutting-edge field of physics known as particle physics should post their questions here, including those about fundamental particles, fundamental forces, Grand Unified Theories, and the extraordinary devices that have been or need to be engineered to research them.
3,842 Questions
How many protons and neutrons and electrons does helium-have?
Protons: 2 neutrons: 2 electrons: 2
Helium-3: 2 protons, 1 neutron, 2 electrons
Helium-4: 2 protons, 2 neutrons, 2 electrons
What is the composition of a quark?
Currently quarks are believed to be fundamental particles, and as such are not composed of anything.
Which waves travel through water?
all waves travel through water, some better than others, sound waves travel very well. Many time because water is denser than air the waves are subject to diffraction and reflection off thermal boundaries and around physical barriers.
What new technology developed by engineers helped scientists learn more about quarks?
Perhaps the most significant technology engineers have developed to meet design requirements of scientists who seek to probe the world of particle physics in general and quarks in particular, has been the particle accelerator. Whether they would be considered new is a matter of definition; the cyclotron dates back to Lawrence's design in 1932, but improved techniques and increased power has broadened the scope of the particles that can be created through improved designs and techniques since that time. Per the mass-energy equivalence formula, the higher the speed of the collision, the higher the mass of the particle that can be created; for the up quark this is somewhere around 2.3 MeV, for the heaviest - the top quark - the mass is significantly greater at about 173 GeV.
What fundamental force is responsible solar eclipse?
The occurence of a Solar Elcipse is caused by the relative orbits of the Earth and the Moon around Sun and the Earth respectively. Those orbits are caused by the Gravitational Forces of the Sun, Earth, and Moon. So I would have to say that Gravity is the Fundamental Force responsible for a solar eclipse.
Are the x rays behaves like visible light or not?
Yes, but x-rays can't be focused by lenses, they just pass through the lens. They can only be focused by glancing angle nested cylinder mirrors. X-rays pass through most things.
What has one more proton than tin?
Tin's atomic number is 50. Thus, it has 50 protons per atom. The atom with 51 protons is antimony.
What negatively charged particles are responsible for the flow of electricity?
Electrons are the negatively charged particles to which the flow of electricity is attributed.
What affect might be caused by electrons being loosely bound to atoms in a material?
1. Chemical bonding
2. Photo electric emission
3. Electric current flow
4. Radiation emission
What phenomenon is the reason that quarks are never directly observed or found in isolation?
Quantum Chromodynamics, which is best explained by quarks having a property called color charge. The three colors are red, blue, and green; all particles constituted of quarks must be color neutral.
When a substances gains electrons is it reduced?
Yes when any substance gains electrons , that substance is now then reduced.
Do electrons neutrons and protons have essentially the same mas?
No, Protons and Neutrons have similar masses, but one electron is equal 1/1836 of a proton in mass.
What is the quark gluon phase?
A theoretical new state of matter. Quarks and gluons are components of atoms. When you heat certain atoms to around 4 trillion degrees Celsius, the atoms stop behaving as atoms and start behaving as something completely different.
A quark-gluon plasma behaves as a near-ideal Fermi liquid.
In normal matter, quarks are confined, in a Quark Gluon plasma, the quarks are not confined (read more on deconfinement).
At such temperatures, you would think that the quark gluon plasma would behave as free roaming objects, as people normally experience a gas, but it behaves more like a liquid instead.
More experiments are required to explore the nature of these subatomic particles.
Can a nucleon be either a neutron or a proton?
A nucleon means either a proton or a neutron, yes. However it is conceivable that the word will be extended to mean anything forming the nucleus of an atom.
For example researchers in CERN have managed to produce anti-hydrogen. The nucleus of such an atom would be an anti-proton. It might be reasonable to call that one a nucleon as well.
Can neutrons cause static electricity?
No. The movement of electrons is what causes electricity, and neutrons take no part in it.
How many protons and electrons is in iron -56?
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How many valence electron can any atom have?
The number of valence electrons depends on the atom and can vary from 1 to 8.
What are non-fundamental force?
the non fundamental forces are Tension,Torque,Elastic,Normal,Gravity,Friction.
