PIXE-RBS Beamline in the University of Jordan Van de Graaff - - PowerPoint PPT Presentation

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PIXE-RBS Beamline in the University of Jordan Van de Graaff - - PowerPoint PPT Presentation

May 21, 2023 592 likes •901 views

PIXE-RBS Beamline in the University of Jordan Van de Graaff Accelerator: Development and Applications Hanan Sa'adeh Rami Ali Dia-Eddin Arafah The University of Jordan Department of Physics Atomic Physics Lab Outline JUVAC RBS &

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SLIDE 1

PIXE-RBS Beamline in the University

  • f Jordan Van de Graaff Accelerator:

Development and Applications

Hanan Sa'adeh Rami Ali Dia-Eddin Arafah

The University of Jordan Department of Physics Atomic Physics Lab

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SLIDE 2

ICTP-NCP School on LHC Physics

  • H. Sa'adeh, Islamabad, November 2014

2

Outline

  • JUVAC
  • RBS & PIXE techniques
  • PIXE-RBS Beamline
  • Results and Discussion
  • Development & Applications
  • Summary & Future Prospects
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SLIDE 3

ICTP-NCP School on LHC Physics

  • H. Sa'adeh, Islamabad, November 2014

3

Outline

  • JUVAC
  • RBS & PIXE techniques
  • PIXE-RBS Beamline
  • Results and Discussion
  • Development & Applications
  • Summary & Future Prospects
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SLIDE 4

The University of Jordan Van de Graaff Accelerator

4

(JUVAC)

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SLIDE 5

ICTP-NCP School on LHC Physics

  • H. Sa'adeh, Islamabad, November 2014

5

JUVAC

  • Electrostatic Linear Accelerator
  • German Grant, GTZ, 1980s.
  • Energy 0.3-4.75 MeV
  • Ions (H+, He2+, O+, N+…)
  • 3 Operational Beamlines

(RBS, COLTRIMS, PIXE-RBS)

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SLIDE 6

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Accelerator Tube Ion Source Collection Screen High Voltage Terminal Shell Corona Points Charging Screen Alternator Charging Belt Tank Drive Motor Accelerating Tube Accelerator Tube Ion Source Collection Screen High Voltage Terminal Shell Corona Points Charging Screen Alternator Charging Belt Tank Drive Motor Accelerating Tube

Chu, et al., 1978

ICTP-NCP School on LHC Physics

  • H. Sa'adeh, Islamabad, November 2014

Van de Graaff Accelerator

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SLIDE 7

7

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SLIDE 8

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JUVAC Experimental Hall

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SLIDE 9

9 ICTP-NCP School on LHC Physics

  • H. Sa'adeh, Islamabad, November 2014

JUVAC Staff

Salem Kharabshah Huthifa Abdullah Samir Farash

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SLIDE 10

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SLIDE 11

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SLIDE 12

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RBS & PIXE Techniques

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13 ICTP-NCP School on LHC Physics

  • H. Sa'adeh, Islamabad, November 2014

Source: http://www.hzdr.de

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SLIDE 14

14 ICTP-NCP School on LHC Physics

  • H. Sa'adeh, Islamabad, November 2014

Source: http://www.hzdr.de

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SLIDE 15

PIXE-RBS Beamline

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SLIDE 16

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Motivation

  • PIXE can be used to detect elements (Na-U),

RBS to detect all elements heavier than the projectile ions.

  • PIXE is sensitive at the ppm level for most
  • elements. RBS is suitable for profiling.
  • The

necessity

  • f

a powerful analytical technique to characterize the elemental content (simultaneous identification & quantification)

  • f

fine and coarse air particulates.

ICTP-NCP School on LHC Physics

  • H. Sa'adeh, Islamabad, November 2014
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SLIDE 17

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PIXE-RBS Beamline @ JUVAC

ICTP-NCP School on LHC Physics

  • H. Sa'adeh, Islamabad, November 2014
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SLIDE 18

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PIXE

ICTP-NCP School on LHC Physics

  • H. Sa'adeh, Islamabad, November 2014
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SLIDE 19

Development & Applications

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SLIDE 20

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PIXE-RBS Beamline Development

  • Modification of the collision chamber of PIXE

beamline to combine PIXE & RBS simultaneously.

  • Installation of Si (Li) X-ray detector and Gupix

software package (funded by the IAEA).

  • Improving vacuum in the collision chamber.

ICTP-NCP School on LHC Physics

  • H. Sa'adeh, Islamabad, November 2014
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SLIDE 21

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PIXE-RBS Beamline Applications

  • Material analysis (stoichiometry
  • f thin

layers).

  • Environmental studies (analysis of aerosols

accumulated on filters).

  • ……

ICTP-NCP School on LHC Physics

  • H. Sa'adeh, Islamabad, November 2014
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SLIDE 22

Summary & Future Prospects

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SLIDE 23

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  • RBS & PIXE are non-destructive techniques to study

materials.

  • PIXE-RBS combination allows the determination of

depth distribution and concentration from hydrogen to heavy elements.

  • PIXE-RBS

combination gives complementary information in aerosols analysis.

Summary

ICTP-NCP School on LHC Physics

  • H. Sa'adeh, Islamabad, November 2014
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SLIDE 24

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Future Prospect

  • Modification of the collision chamber of

PIXE-RBS beamline to be used for gaseous targets.

ICTP-NCP School on LHC Physics

  • H. Sa'adeh, Islamabad, November 2014
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SLIDE 25

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Acknowledgements

ICTP-NCP School on LHC Physics

  • H. Sa'adeh, Islamabad, November 2014
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SLIDE 26

Atomic Physics Group at JU

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Rami Ali Dia-Eddin Arafah Hanan Sa’adeh

ICTP-NCP School on LHC Physics

  • H. Sa'adeh, Islamabad, November 2014
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Jordan

ICTP-NCP School on LHC Physics

  • H. Sa'adeh, Islamabad, November 2014
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SLIDE 28

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Amman

ICTP-NCP School on LHC Physics

  • H. Sa'adeh, Islamabad, November 2014
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SLIDE 29

29 ICTP-NCP School on LHC Physics

  • H. Sa'adeh, Islamabad, November 2014
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SLIDE 30

Thank You

hanan.saadeh@ju.edu.jo ilovephysicsverymuch@yahoo.com