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F as t

F as t. ti mi ng. behaviour o f a scintillator. Escape of one k x ray. Compton Scattering Photon. UV Photons. Photomultiplier. experim e ntal setup #1. Ce. decay scheme of La nthanum. sources, d eca y schemes and spect ra. 1. 137 Cs. 2. 60 Co. 3. 226 Ra. Resol u tion.

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F as t

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  1. Fast timing

  2. behaviour of a scintillator Escape of one k x ray Compton Scattering Photon UV Photons Photomultiplier

  3. experimentalsetup #1 Ce

  4. decay scheme of Lanthanum

  5. sources,decay schemes and spectra 1. 137Cs

  6. 2. 60Co

  7. 3. 226Ra

  8. Resolution

  9. Home made voltage devider Energy calibration

  10. Efficiency curves

  11. experimentalsetup #2 START STOP

  12. Constant fraction

  13. Literature result: 1,44 ns Our results: 1,43 ns

  14. Desislava Ivanova Manuel Castañeda Javier Meléndez Dr. Pawel Napiorkowski Dr. Stefan Lalkovski

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