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L ist of critical issues (update, from D. Schulte). 1 ) Concerning the RF structures:
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List of critical issues (update, from D. Schulte) 1) Concerning the RF structures: • We had identified RF deflectors as critical. This refers to the combiner ring but should include the crab crossing cavities, which are not explicitly in the long list. I think the crab cavities should be added. • The kickers for the drive beam phase feedback could be either RF deflectors or other type of kickers. 2) In the feedback section one might want to explicitly mention the intra-pulse interaction point feedback. 3) The stray fields need to be reviewed consistently along the machine. Shielding may help but there are many points to be considered, e.g. the field induced by the pumps etc. CTC, 20080826