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Excursion in the "State" of the Institute of Nuclear Physics: Where Particles Are Born

... the spin direction precesses (rotates) around the direction of the accelerator magnetic field, and the velocity of this rotation depends on the electron energy. Therefore, by measuring the velocity of spin precession, it is possible to determine the energy of elementary particles. The spins of all beam electrons point in different directions, and the rotation of an individual electron cannot be seen. In this case, synchrotron radiation comes to the rescue. It causes the electron spins to gradually align in about the same direction ...

Modified: 23.04.2018
Budker Institute of Nuclear Physics SB RAS , elementary particles , accelerator , collider , detector , calorimetry , mass , energy , electron , spin
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Excursion in the "State" of the Institute of Nuclear Physics: Where Particles Are Born

... corresponds to the time of depolarization of the bunch. The numbers under the points are values of the electron energy in the beam that correspond to the depolarizer frequency. The energy measurement accuracy is 1—2 keV —only one-millionth of the beam energy Each electron is a small spinning top. Its rotation cannot be accelerated or slowed down and, therefore, it even has a special name — spin . In the accelerator, the spin direction precesses (rotates) around the direction of the accelerator magnetic field, and the velocity ...

Modified: 30.05.2006
Budker Institute of Nuclear Physics SB RAS , elementary particles , accelerator , collider , detector , calorimetry , mass , energy , electron , spin
Path: Главная / Articles

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