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SEMINAR In-vacuum Cherenkov light detectors for high-energy beam monitoring

Speaker: Dr. Francesca M. Addesa (INFN Roma 1)

Thursday, April 11, 2.30pm – Aula A, Dipartimento di Fisica

Effetto Čerenkov

Monitoring and characterization of channeled beams in high-energy
accelerators ideally requires radiation-hard in-vacuum detectors. For this
purpose the Cherenkov detector for proton flux measurement (CpFM) was
designed and developed by the UA9 experiment, which investigates
channeling processes and applications at CERN-SPS. The CpFM is based on
thin fused silica bars in the beam pipe vacuum, which intercept charged
particles and generate Cherenkov light. Two detectors are currently
operational in the SPS accelerator. I introduce the CpFM concept and discuss
its applications in crystal-assisted collimation and extraction experiments at
the SPS, including results from the most important case studies. A new CpFM
development for high-intensity continuous beam monitoring is also
presented. Thanks to a solid, simple layout and intrinsically ultra-fast
detection, the CpFM concept has been recently used to study the time
structures and the delivered intensity fluctuations of the SPS spill, which
supplies the fixed-target experimental area of CERN and is expected to
supply the proposed beam dump facility for the SHIP experiment.


Speaker: Dr. Francesca M. Addesa (INFN Roma 1)

Thursday, April 11, 2.30pm – Aula A, Dipartimento di Fisica

Leaflet

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