SF Prep Notes

Indian researchers develop technique to study charging-up in GEM detectors for FAIR's CBM experiment

Researchers developed a technique using a radioactive source to study radiation effects on Gas Electron Multiplier (GEM) detectors, the Ministry of Science and Technology said on 7 February 2025, a step for India's role in the FAIR project in Germany.

Summary

Researchers have developed a technique using a radioactive source to simplify the study of radiation-induced charging-up in Gas Electron Multiplier (GEM) detectors, the Ministry of Science and Technology said on 7 February 2025. GEM detectors, first introduced by Fabio Sauli in 1997, use a 50-micrometre Kapton foil with copper cladding to amplify signals from ionising radiation and are used as tracking devices in high-energy physics. India has full responsibility for building all the GEM chambers for the future Compressed Baryonic Matter (CBM) experiment at the Facility for Antiproton and Ion Research (FAIR) in Germany.

Key facts

Announced
7 February 2025, Ministry of Science and Technology
Detector
Gas Electron Multiplier (GEM); introduced by Fabio Sauli in 1997
Study
Radiation-induced charging-up of Kapton foil, using a radioactive source
India's role
Builds all GEM chambers for the CBM experiment at FAIR, Germany

Practice MCQs 1 questions

Q1 Advanced

India has full responsibility for building all the Gas Electron Multiplier (GEM) chambers for which experiment at FAIR, Germany?

Show answer

Correct answer: C — Compressed Baryonic Matter (CBM)

India is to build all the GEM chambers for the Compressed Baryonic Matter (CBM) experiment at FAIR, which will operate in a very high radiation environment.

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