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What is the CNI experiment

The CNI experiment investigates pion elastic scattering off a fixed hydrogen target, specifically within the Coulomb Nuclear Interference (CNI) region for incident pion momenta ranging from 15 to 70 MeV and scattering angles between 5° and 30°. Conducted by the CHAOS collaboration using the Canadian High Acceptance Orbital Spectrometer, the study employs innovative detection techniques for charged particles across a 360° range. It is performed at the TRIUMF facility in Vancouver and utilizes advanced experimental layouts for vertex reconstruction and momentum analysis.

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What is the CNI experiment

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  1. What is the CNI experiment The CNI experiment studies pion elastic scattering off fixed hydrogen target in the Coulomb Nuclear Interference region 15 < T < 70 MeV 5º <  < 30º

  2. Who performs CNI CHAOS collaboration: (,2 ), p, DCX Canadian High Acceptance Orbital Spectrometer Detects chargeparticles within360º in-plane 7º out-of-plane

  3. Where is CNI performed M13 low energy pion channel TRIUMF, Vancouver

  4. Why CNI

  5. Vertex reconstruction Empty target Hydrogen target

  6. Experimental layout Drift wire chambers Beam counter MWPCs Hydrogen target E telescope / telescope Magnet yoke

  7. Momentum reconstruction

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