Characteristic X-rays of tungsten

Продукт No: P2542801

Principle

An X-ray tube with a tungsten anode generates X-radiation that is selected with the aid of a monocrystal as a function of the Bragg angle. A Geiger-Müller counter tube measures the intensity of the radiation. The glancing angles of the characteristic X-ray lines are then used to determine the energy.

Tasks

  1. Record the intensity of the X-rays emitted by the copper anode as a function of the Bragg angle using a LiF monocrystal as analyzer.
  2. Calculate the energy values of the characteristic copper lines and compare them with the energy differences of the tungsten energy terms. Assigned them to the corresponding transitions taking into account the quantum-mechanical selection rules.

What you can learn about

  • X-ray tube
  • Bremsstrahlung
  • characteristic radiation
  • energy levels
  • crystal structures
  • lattice constant
  • absorption
  • absorption edges
  • interference
  • the Bragg equation
  • order of interference



Перечень материалов (вы́писка) Продукт Количество
XR 4.0 expert unit, X-ray unit, 35 kV 09057-99 1
XR 4.0 X-ray plug-in unit W tube 09057-81 1
XR 4.0 X-ray goniometer 09057-10 1
XR 4.0 Software measure X-ray 14414-61 1
Geiger-Mueller counter tube, type B, BNC cable 50 cm 09005-00 1
XR 4.0 X-ray LiF crystal, mounted 09056-05 1
XR 4.0 X-ray Diaphragm tube d = 2 mm 09057-02 1
Data cable USB, plug type A/B, 1.8 m 14608-00 1

Литература по данной статье

Название Продукт Язык
Handbuch Lehrerversuche mit Röntgenstrahlung für die XR 4.0 expert unit, TESS expert Physik 01200-01 DEU
TESS expert Physics Handbook X-ray Experiments for XR 4.0 expert unit 01200-02 ENG
XRP 4.0 X-ray Festkörper Erweiterungsset 09120-88
XRC 4.0 X-ray Charakterisierung Erweiterungsset 09130-88
XRS 4.0 X-ray Strukturanalyse Erweiterungsset 09140-88
TESS expert Handbook Laboratory Experiments Physics 16502-32 ENG

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Продукт No: P2542801

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