EG&G ORTEC 463 Manual de funcionamiento y servicio - Página 4

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LIST OF FIGURES

Page

Fig. 5.1.

Ideal Pulse Shapes Illustrating the Constant Fraction Discriminator Operation

Fig. 5.2.

Signal Shapes Illustrating Detection of the Zero-Crossing Point of Constant

Fraction Signal

Fig. 6.1.

Block Diagram of System for Walk Test of the ORTEC 463 in the Ge(Li) Mode

Fig. 6.2.

Block Diagram of System for Walk Test of the ORTEC 463 in the Scint/SB Mode

Fig. 6.3.

Effect of Walk Adjustment in the ORTEC 463

Fig. 7.1.

A System for Gamma-Gamma Lifetime Measurement

Fig. 7.2.

Timing Over a Narrow Dynamic Range with the System of Fig. 7.1

Fig. 7.3. Timing Over a Wide Dynamic Range with the System of Fig. 7.1

Fig. 7.4.

Gamma-Gamma Coincidence System Using Plastic Scintillator and a Large

Ge(Li) Coaxial Detector

Fig. 7.5. Time Resolution of a Ge(Li) Detector as a Function of Energy

Fig. 7.6. Typical Timing Spectrum with Wide Dynamic Range Using the System of Fig. 7.4

Fig. 7.7. System for Testing Time Resolution of the ORTEC 130 Surface Barrier System

Fig. 7.8.

Typical Timing Spectrum for a 100-Atm Surface Barrier Detector Using the System

of Fig. 7.7

Fig. 7.9.

Typical Timing Spectrum for a 1950-/.im Surface Barrier Detector Using the System

of Fig. 7.7

Fig. 7.10. Fast Coincidence System Using a Ge(Li) 6-mm Low Energy Photon Spectrometer

Fig. 7.11. Time Resolution vs Energy for a 6-mm Low Energy Photon Spectrometer

Fig. 7.12. Spectrum of the Lifetime of the 14-keV State in the Decay of ^ ''Co.