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Visualization of Neutron and Proton Induced Particle Production in a CMOS Image Sensor

Visualization of Neutron and Proton Induced Particle Production in a CMOS Image Sensor. A. Sipos a, , E. Grusell b , A. Kerek c , W. Klamra c , J. Molnár a , L.-O. Norlin c , D. Novák a , A. Sanchez-Crespo d , J. Van der Marel e and J. Végh a a ATOMKI, Debrecen, Hungary,

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Visualization of Neutron and Proton Induced Particle Production in a CMOS Image Sensor

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  1. Visualization of Neutron and Proton Induced Particle Production in a CMOS Image Sensor A. Siposa, , E. Grusellb, A. Kerekc, W. Klamrac,J. Molnára, L.-O. Norlinc, D. Nováka, A. Sanchez-Crespod, J. Van der Marele and J. Végha aATOMKI, Debrecen, Hungary, bUppsala University Hospital, Uppsala, Sweden, cRoyal Insitute of Technology, Stockholm, Sweden, dKarolinska Institute, Stockholm, Sweden eNederlands Meetinstituut, Utrecht, Holland

  2. The Compact Muon Solenoid (CMS)

  3. The CMS collaboration.

  4. To avoid mechanical deformations: a precise alignment system.

  5. A barrel muon chamber of the muon detecting system.

  6. Module for Alignment of the Barrel (MAB)

  7. LED light sources (~ 10.000 pcs) Related electronics (~1.000 pcs) Video cameras (~ 750 pcs) The Barrel Alignment Monitoring System is based on the Barrel Alignment Control (BAC) System.

  8. Board Computer (BC) Cameras Video- multiplexer Frame grabber (Video-digitizer) Core module PC 104 bus I2C Ethernet LEDs (MAB, Z-bar) Custom interface Power Supply (DC-DC converter) Tilt sensor 10/100 Ethernet Low voltage MAB electronics.

  9. The VLSI VM5402 video camera with VV5402 CMOS sensor device. The CMOS Image Sensor has 388 x 295 pixels each with area of 12 x 12 mm2.

  10. The neutron irradiation setup at the MGC-20E cyclotron, with p(18 MeV)+Be reaction, with a fluence up to 2.8E+12n/cm2.

  11. Typical picture of the videocamera at the neutron test.

  12. Frame grabber p+ in video out Sensor PC Videomonitor Frame grabbing setup of the 98 MeV proton experiment.

  13. Videorecorder p+ Sensor Videomonitor The radiation damage monitoring and recording system.

  14. Sample movie of the 98 MeV proton beam.

  15. Proton therapy at The Svedberg Laboratory, Uppsala

  16. The sensor is before the irradiation.

  17. The sensor is mounted on the stand.

  18. The light shielding paper.

  19. The sensor is after the irradiation.

  20. Videorecorder Videomonitor video out MPEG2-AVI-TIFF MPEG1-TIFF PC Frame grabbing setup of the 180 MeV proton experiment.

  21. The real digitizing setup.

  22. Picture area 4.66 x 3.54 mm2, pixel size 12 mm.

  23. The interactive evaluation of picture frames.

  24. 0.1 nA 0.25 nA Beam off, gamma background 0.5 nA The average brightness diagram at different beam currents.

  25. Application examples: - as a smart radiation detector - in education - radiation monitoring in tumourtherapy - to detect heavy charged particles

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