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Page "Atomic physics" ¶ 9
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event and electron
In contrast, objects with a very small mass, such as the electron, have wavelike characteristics which permit such an event, referred to as tunneling.
A single photon decay is only possible if another body ( e. g. an electron ) is in the vicinity of the annihilating positronium to which some of the energy from the annihilation event may be transferred.
This debate is relevant because it is easy to imagine specific situations in which the arrival of an electron at a screen at a certain point and time would trigger one event, whereas its arrival at another point would trigger an entirely different event ( e. g. see Schrödinger's cat-a thought experiment used as part of a deeper debate ).
In the event that the electron absorbs a quantity of energy less than the binding energy, it may transition to an excited state or to a Virtual state.
Before the scattering event, the electron is treated as sufficiently close to being at rest that its total energy consists entirely of the mass-energy equivalence of its rest mass:
X-ray photons used for medical purposes are formed by an event involving an electron, while gamma ray photons are formed from an interaction with the nucleus of an atom.
Of great interest to chemists are the details of the electron transfer event, which can be described as inner sphere or outer sphere.
# A neutral atom or molecule, in a region of strong electric field ( such as the high potential gradient near the curved electrode ) is ionized by a natural environmental event ( for example, being struck by an ultraviolet photon or cosmic ray particle ), to create a positive ion and a free electron. Image: Corona Discharge initiation. svg
As with positive coronas, the establishing of a corona begins with an exogenous ionization event generating a primary electron, followed by an electron avalanche.
Left-right asymmetries in Z boson production and decay were measured at the Stanford Linear Collider using the event rates obtained with left-polarized versus right-polarized initial electron beams.
An electron beam periodically sweeps across the plate, effectively scanning the stored image and discharging each capacitor in turn such that the electrical output from each capacitor is proportional to the average intensity of the light striking it between each discharge event.
An electron beam was then swept across the image plate from an electron gun, effectively scanning the stored image and discharging each capacitor in turn such that the electrical output from each capacitor was proportional to the average intensity of the light striking it between each discharge event.
Finally, an electron beam periodically sweeps across the target, effectively scanning the stored image and discharging each capacitor in turn such that the electrical output from each capacitor is proportional to the average intensity of the scene light between each discharge event ( as in the iconoscope ).
Tunneling Ionization is a QM phenomenon ; a non-zero probability event for observing a particle escaping from the deformed Coulomb potential barrier, obviously this phenomenon is forbidden by classical laws, as in the classical picture an electron does not have sufficient energy to escape.
This bridge can be permanent, in which case the electron transfer event is termed intramolecular electron transfer.
When a nucleus in the target is hit by an electron from the beam, an " interaction ", or " event ", occurs, scattering particles into the hall.
If this event occurs within an area that has a high potential gradient, the positively charged ion will be strongly attracted toward, or repelled away from, an electrode depending on its polarity, whereas the electron will be accelerated in the opposite direction.

event and absorbs
Using U-235 as an example, this nucleus absorbs thermal neutrons, and the immediate mass products of a fission event are two large fission fragments, which are remnants of the formed U-236 nucleus.
Using U-235 as an example, this nucleus absorbs thermal neutrons, and the immediate mass products of a fission event are two large fission fragments, which are remnants of the formed U-236 nucleus.

event and quantity
Nouns are described as words that refer to a person, place, thing, event, substance, quality, quantity, or idea, etc.
The event is followed by a festive meal, and guests in some places are given cloves of garlic and cubes of sugar to take home: these strongly flavored foods can be used to flavor a large quantity of food which will in some sense extend the mitzvah of participation in the ceremony to all who eat them.
The maximum quantity is limited by the requirement of the mixture to sustain a contiguous flame front during the combustion event ; excessive EGR in poorly set up applications can cause misfires and partial burns.
In the event of one failing the other could still operate alone, but under these circumstances the indicated quantity was required to be cross-checked against a floatstick measurement before departure.
In the technical sense, impulse is a physical quantity, not an event or force.
Total energy is an additive conserved quantity ( for single observers ) in systems and in reactions between particles, but rest mass ( in the sense of being a sum of particle rest masses ) may not be conserved through an event in which rest masses of particles are converted to other types of energy, such as kinetic energy.
" Kidnap America " was a politically / socially-conscious track released in 1980 during the Iran hostage crisis, while " Pine Tar Wars " referred to an event that actually happened in a New York Yankees-Kansas City Royals baseball game during 1983 ( a dispute concerning the application of a large quantity of pine tar to a baseball bat used by George Brett, one of the Royals players ).
* QuantityEvent: represents an event concerned with a specific quantity of entities sharing a common EPC class, but where the individual identities of the entities are not specified.
In order to lower engine noise, the engine's electronic control unit can inject a small amount of diesel just before the main injection event (" pilot " injection ), thus reducing its explosiveness and vibration, as well as optimising injection timing and quantity for variations in fuel quality, cold starting and so on.
: The first event of the season, the Monaco meeting, from April 2 to 16, ... is without precedent quantity of entrants in yachting history ; beginning with an exhibition of all types of motor-boats, lasting four days, after which three days afloat were allowed for preparations, the races began on April 9 and continued for the following week.
With the growth of professional leagues, and consequent growth in the quantity of games, each game became less of an event, and fan convenience became more important.
In any event, in a shelved area stacked high with old papers, files, books, and newspapers, the quantity of explosives used by the military virtually guaranteed a conflagration.
The quality and quantity of the fireworks are discussed by the people for many days after the event.
If the derivative ( with respect to proper time ) of this quantity turns out to be negative along some world line ( after a certain event ), then any expansion of a small ball of matter ( whose center of mass follows the world line in question ) must be followed by recollapse.

event and energy
Throughout the 1970s, for example, he downplayed the idea of an energy crisis and said it was largely a media event.
Typical fission events release about two hundred million eV ( 200 MeV ) of energy for each fission event.
Since light cannot escape the super massive black holes that are at the centre of quasars, the escaping energy is actually generated outside the event horizon by gravitational stresses and immense friction on the incoming material.
The types of state-to-state transitions available to electrons during an Auger event are dependent on several factors, ranging from initial excitation energy to relative interaction rates, yet are often dominated by a few characteristic transitions.
A rotary UPS uses the inertia of a high-mass spinning flywheel ( flywheel energy storage ) to provide short-term ride-through in the event of power loss.
In order to keep low frequency energy focused on the audience area and not on the stage, and to keep low frequencies from bothering people outside of the event space, a variety of techniques have been developed in concert sound to turn the naturally omnidirectional radiation of subwoofers into a more directional pattern.
There is evidence that very high energy cosmic rays are produced over far longer periods than the explosion of a single star or sudden galactic event, suggesting multiple accelerating processes that cover very long distances with regard to the size of stars.
While it is not impossible that some binaries might be created through gravitational capture between two single stars, given the very low likelihood of such an event ( three objects are actually required, as conservation of energy rules out a single gravitating body capturing another ) and the high number of binaries, this cannot be the primary formation process.
In the event of low blood glucose, most other tissues have additional energy sources besides ketone bodies ( such as fatty acids ), but the brain does not.
More interesting processes occur when the chemical substrate undergoes internal energy transitions before re-emitting the energy from the absorption event.
In the PlayStation 3's social gaming platform, PlayStation Home, Red Bull has developed its own in-game island, specifically advertising its energy drink and the Red Bull Air Race event ( for which the space is named ) released in January 2009.
While energy is always lost during a brake event, a secondary factor that influences efficiency is " off-brake drag ", or drag that occurs when the brake is not intentionally actuated.
The extremely high performance would permit even a late launch to succeed, and the vehicle could effectively transfer a large amount of kinetic energy to the asteroid by simple impact, and in the event of an imminent asteroid impact a few predicted deaths from fallout would probably not be considered prohibitive.
Also classically, it takes an enormous amount of energy to pull apart the nucleus, an event that would not occur spontaneously.
Gamow solved a model potential for the nucleus and derived from first principles a relationship between the half-life of the alpha-decay event process and the energy of the emission, which had been previously discovered empirically, and was known as the Geiger-Nuttall law.
If a GM tube is to be used for gamma or X-ray dosimetry measurements, the energy of each particle causing a count event must be taken into account ; however individual pulses from a G-M tube do not carry any energy information.
A solution is to assign a radiation dose to each counting event, but the characteristic of the tube must relate the number of counts to both intensity and energy.

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