May 10, 2020
antiparticle
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antiparticle
Ask Ethan: What's The Difference Between A Fermion And A Boson?
“Could you explain the difference between fermions and bosons? What differs from an integer spin and a half-integer spin?”
On the surface, it shouldn’t appear to make all that much difference to the Universe whether a particle has a spin in half-integer intervals (±1/2, ±3/2, ±5/2) or in integer intervals (0, ±1, ±2). The former is what defines fermions, while the latter defines bosons. This hardly seems like an important distinction, since intrinsic angular momentum is such a nebulous property to our intuitions, unlike, say, mass or electric charge. Yet this simple, minor difference carries with it two incredible consequences: one for the existence of distinct particles for antimatter and one for the Pauli exclusion principle, that are required for matter as we know it to be. Without these differences, and without these rules, it’s simply a matter of fact that the atoms, molecules and living things we see today wouldn’t be possible to create.
What’s the difference between fermions and bosons? A little difference goes a long way! Find out on this edition of Ask Ethan. (And thanks to the anonymous tumblr question that inspired it!)
Scientists find "Angel Particle" -- a particle that's its own antiparticle http://2vnews.com/2017/07/21/scientists-find-angel-particle-particle-thats-antiparticle/
Confirming a theory from the 1920s, Stanford physicists have found evidence of a particle that is its own antiparticle. An anti-story In 1928, British physicist Paul Dirac sent ripples through the world of science when he made a stunning prediction: every fundamental particle in the universe...
Particle physics experiments at International Neutrino Experiment Xenon TPC advances with new ultra-high vacuum vessel
Are neutrinos their own antiparticles? EXO-200 upgrades are complete and ready for action
My Highland Lover (Highland Hearts) by Maeve Greyson - Review
My Highland Lover (Highland Hearts) by Maeve Greyson – Review
Maeve Greyson unleashes a thrilling tale of magic and desire as a feisty Southern gal falls into the arms of a rough-hewn Highland chieftain. As the proprietor of a homeopathic store in rural Kentucky, Trulie Sinclair knows that her neighbors think she’s strange–but they have no idea how strange she really is. Trulie was born in Scotland in the thirteenth century to a line of time-traveling High…
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What's the Big Deal About the Pentaquark?
What’s the Big Deal About the Pentaquark?
The pentaquark, a novel arrangement of five elementary particles, has been detected at the Large Hadron Collider. This class of particles may hold the key to a better understanding of neutron stars and the Universe’s strong nuclear force. (Image Credit: CERN/LHCb experiment)
“Three quarks for Muster Mark!,” wrote James Joyce in his labyrinthine fable, Finnegan’s Wake. By now, you may have…
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New Post has been published on WOVOW - HOT NEWS
New Post has been published on http://www.wovow.org/jelly-bears-bombed-antiparticles/
Jelly bears bombed antiparticles
In many countries today is raging food, humanitarian or medical crisis (or all at once). Mankind is forced to fight each year with outbreaks of new types of diseases. The world has enough problems, and German scientists decided to get down to business, it would seem, is not very serious – the bombing of jelly bears antiparticles.
Bombarded by radiation “poor” jelly bears scientists from the Technical University of Munich is not because they have nothing else to do. Studying the properties of marmalade very important area of science and Confectionery here is not to blame.
The fact that the candy, which is generally the same buying children used in the manufacture of medicaments. They cover the pill. Covering medicines marmalade facilitates their adoption patients and prolongs the shelf life of the tablets.
Unfortunately, marmalade has one error. Its structure has microscopic pores, voids. When coating the tablets marmalade, it can in some cases reduce their effectiveness. In the case of some drugs efficiency drops by 30-50%, which in turn is reflected in their price and the expiration date is not the best.
During the experiment, the German scientists plunged into the water and marmalade began to “bombard” its antiparticle. Simple process allowed for a short time, “close up” all the pores in the marmalade, making it ideal for coating tablets. Unfortunately, the lifetime of the coating is not long. Almost immediately begins annihilation of particles and marmalade spoils. In the near future, scientists intend to continue to develop new ways to coat tablets. The findings are published in the journal Journal of Physical Chemistry B.
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