In proton-antiproton annihilation, a proton and anti-proton collide and disappear, producing electromagnetic radiation. If each particle has a mass of 1.67 x 10^-27 kg and they are at rest just before they annihilate each other, find the total en...
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Antiportersare ubiquitousmembrane proteinsthat catalyze obligatory exchange between two or more substrates across a membrane in opposite directions. Some utilize protonelectrochemical gradientsgenerated by primary pumps by coupling the downhill movement of one or more protons to the movement of a substrate....
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The antiproton stack is observed through Schottky scans, both longitudinal and transverse. A particular feature is the wide dynamic range needed for observing both the dense core and the freshly-deposited tail. Separating batches of antiprotons from the stack (unstacking) is a highly automated proc...
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11 linois The mass depletion of the target through fast heating and shock for-mation by the action of an intense proton beam focused to a very small spot is the principal obstacle to obtaining optimum antiproton production. It is shown in refgrence (1) that for a fixed antiproton acceptan...
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proton down itselectrochemical gradientand a lactose molecule up its concentration gradient (Figure 5), but the exact mechanism is presently unknown. There are cases of analogous transporters known where Na is the translocated ion. A second type of transport system is the antiport (Figure 5). ...
proton productionproton-nucleus reactions/ antiproton- 4He annihilation4He(antiproton, pions)invariant mass distributionpion productionangular correlationsThis paper reports new experimental results on the annihilation of antiprotons stopped in a 4 He gas target. The measurement was carried out with the ...