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Comparative Study on Normal Conducting and Superconducting Options for PS2 Suggestion

This study explores the choice between normal conducting (NC) and superconducting (SC) options for PS2, focusing on construction, operational, and cost aspects. It aims to determine the best option for a moderately fast pulsed synchrotron considering reliability, availability, and flexibility requirements.

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Comparative Study on Normal Conducting and Superconducting Options for PS2 Suggestion

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  1. Comparative Study on NC and SF options for PS2

  2. Suggestion P. Lebrun to PAF • Following the outcome of the LUMI06 workshop and our brief dicussion of last evening, I believe we should aim at settling rapidly the normal conducting (NC)/superconducting (SC) choice for PS2, so that further studies can be better focussed. • Considering the reliability/availability/flexibility requirements of PS2, I agree that the starting point should be that of a moderately fast pulsed NC synchrotron. Given this, the SC alternative would probably be limited to that of superferric (not pipetron) magnets, in a machine with similar circumference as the NC option…..

  3. Study in PS2 WG • Construction aspects: • Magnet construction and installation cost • Cryogenic system and installation cost • NC magnet water cooling system and installation cost • Electrical installation requirements • Power converter specifications and cost • Cost of quench protection and machine protection systems

  4. Study in PS2 WG • Operational Aspects (for ~15 years running): • Energy and power consumption • Operation of the cryogenic system • Maintenance cost of cryogenic system/water cooling systems • Cooling-down and warming-up time and influence on shutdown/short stops. • Quench limit estimate (protons, ions) and impact on machine design • Recovery time after a magnet quench • Time to open the cryogenic system to install/remove equipment (magnet replacement time) • Vacuum quality • Operational flexibility / limitation • Tuning flexibility / limitation

  5. Next Steps • Group in AT will provide input on SF magnets + cryogenics • NC considerations based on March 06 estimates • PO aspects addressed by AB/PO • Work started

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