COMET: History and International Status

• COMET Conceptual Design Report 2009

• achieved “Stage-1 approval” (of two stages) at J-PARC PAC

• Phase-I staging idea since January 2012

• Phase-I LOI submitted March 2012
• approved for construction January 2013

• Basic layout design is defined

• solenoid dimensions and location in Hadron Hall etc

• Funding approval and designs rapidly making progress

• “straw tracker” approved in March
• “CDC” detector approved in late April

• Adaptability is key to many elements

• design details being finalised through international effort