| 词汇 | scintillator |
| 释义 | BETA Examples of scintillatorscintillator isn’t in the Cambridge Dictionary yet. You can help! The cathode is also hollow, making it possible to mount a scintillator in it. This was done by imaging the location of an ion beamlet on a scintillator behind the discharge chamber. The plastic scintillator was wrapped in aluminium foil except for the side facing the window of the photomultiplier. The strength of the doublet was adjusted by monitoring the beam spot with a viewer of plastic scintillator. The prospective decay of the excited nuclear states was searched by several scintillator detectors. Figure 4 shows a simulation series of the presented scintillator images. These ions are stopped in the bulk of the fast scintillator. For an unstable channel which moves around its initial axis, the beamlet also moves on the scintillator. This long exposure time is necessary since the light intensity from the scintillator is low. The streak camera is installed perpendicular to the scintillator axis. The control was performed using a plastic scintillator located in the plane of the target. Once the beam hits the scintillator, the scintillation is photographed, yielding the transversal shape of the beam. Directly in front of each scintillator a 6 cm thick lead brick wall was positioned in order to reduce the amplitude of the prompt g-pulse. The right-hand-side graph presents the magnetic field gradient resulting from the simulation of the scintillator pictures. As the discharge develops, at 0.96 ms, the image on the scintillator is upturned. The continuous cur rent increase during this time gap leads to the increase of the magnetic field gradients, as will be shown in the scintillator pictures. Due to the aper ture used in the differential pumping section, most of the outer beamlets are blocked, and only nine spots are obtained on the scintillator. As the total quantities authorised are very small there is no need for the firm to have equipment for liquid scintillator counting. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 |
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