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Where did they come from? They weren't invented they've always been around the positron is a fundamental part of this universe, it is the antiparticle to the electron and is found in many reactions throughout the universe.
If you mean how are they created? they can be created in many ways but a common method is a nuclear reaction called a 'Beta Positive Decay' where a Proton decays into a Neutron Positron and neutrino
P --> n + e(+) + v
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How much douse antimatter cost?
$25 billion for a gram of positrons. $67.5 trillion for anti-hydrogen
Is there a positron in the nucleus of an atom?
There are no positrons in the nucleus of any atom. Positrons are anti-electrons; they are antimatter. They could be said to be the antimatter equivalent of the electron, and, as such, they would be present around the nucleus of an antimatter atom as the electrons are present around the nucleus of a "regular" atom. Positrons can be produced in atomic nuclei by some kinds of radioactive decay, and they can be observed to be leaving a nuclear reaction called beta plus decay. But the positron leaves the nucleus of an atom as soon as it is created. It does not (cannot) exist in the nucleus of an atom.
Does antimatter have a nucleus?
Antimatter is composed of antiparticles in the same way that normal matter is composed of particles. Consider that atoms are composed of protons, neutrons and electrons. An antimatter atom could be composed of anti-protons, anti-neutrons and anti-electrons (which we know as positrons).
Does a conductor has many positive electrons?
No, a conductor does not have "positive electrons". Positive electrons are positrons, particles of anti-matter. A conductor, because if it's atomic structure, allows electrons to flow more freely from one atom to the other, thus creating electricity.
Where do the worlds sardines come from?
Sardines come from Portugal but many think they come from Britain. Sardines can come from Clupeidae,United Kingdom,& India
What are e- and e plus plus particles?
That might refer to electrons and positrons (aka anti-electrons).That might refer to electrons and positrons (aka anti-electrons).That might refer to electrons and positrons (aka anti-electrons).That might refer to electrons and positrons (aka anti-electrons).
Why need positron?
Positrons are used for 'PET', a medical imaging tomography technique. The positrons are produced in the radioactive decay of Sodium 22.
The electric current in a medical conductor is carried by positive electrons or electrons?
The answer is electrons. I assume you mean positrons (anti-electrons) by positive electrons, and positrons and electrons go boom when they meet, so we don't see many positrons around.
What is beta radiation made from?
Electrons or positrons.
What has the author Ann T Nelms written?
Ann T. Nelms has written: 'Energy loss and range of electrons and positrons' -- subject(s): Electrons, Positrons
Electrons negative charge?
Yes and positrons are positive!
Does beta decay produce particles?
Yes, electrons and positrons.
What has 20 positrons and is found inside teeth and bones?
Calcium
Nuclei that have an excess of netrons can become stable by emitting what?
Positrons
How Positron emission tomography work?
A tracer courses through the bloodstream to the target organ, where it emits positrons. The positively charged positrons collide with negatively charged electrons, producing gamma rays.
What is elctricity a movement of?
Electricity if the movement of electrons in matter, or positrons in antimatter.
Positrons mesons neutrinos and others are usually called?
subatomic particles :)
