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Innovative Goniometer Production with Dual Crystals for Precise Operations!

Discover the advanced goniometer with two crystals that ensures accurate measurements in Protvino. Featuring linear step of 0.1 micron and angular step of 0.2 microrad for high precision. Utilizes elastic plate rotation with no friction, and requires final vacuum testing before installation in equipment. Learn about IHEP technologies for multi-crystal production and enhancements using A-B-C techniques for improved bending effects. Explore the potential of the combined effect of MVR OC and MVR SC. Testing conducted with 400 GeV/C protons for optimal results. Benefit from using VR in SC for collimation in U-70.

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Innovative Goniometer Production with Dual Crystals for Precise Operations!

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  1. Protvino activity in UA9 Production of goniometer: main positive feature – two crystals inside !!!

  2. Principle of operation: position1: crystal1 on

  3. Principle of operation: position2: crystal2 on

  4. Drawing:

  5. Linear step – 0.1 micron,angular step 0.2 microrad elastic plate No friction details inside –rotation is based on elastic deformation of metal plate

  6. Installation in H8

  7. Equipment with LVDT

  8. Two crystals inside

  9. Final vacuum testing is needed before installation in SPS.

  10. Possible improvement of goniometer

  11. 2. IHEP technologies for production of multi-crystals. Positive feature: Combined effect of MVR OC and MVR SC is possible.

  12. A-B-C technologies A- production of bending due to anticlastic effect, C- bending effect due to Mechanical trenches, B – combined effect

  13. Testing of B-technology, 400 GeV/C protons

  14. C-tecnology, 400 GeV/C protons

  15. Enhancement of bending due to axial effect (7 strip data)

  16. projections

  17. Testing of 4 strip

  18. Using of VR in SC for collimation in U-70.

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