Michael Bieler added em_Beam_blow_up_failures__.tex  about 8 years ago

Commit id: 8f3230366c052923c4c953a2223b4581ac7cddb9

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{\em ``Beam-blow-up''} failures are again infrequent at most facilities.  Betatron coupling can affect the occurrence of this failure type, since at very low coupling  even small errors can lead to relatively large changes of the vertical beam size.   For some facilities the vertical beam size is difficult to measure.  Nevertheless one needs to define limits for the tolerated variation of the beam size.  The number of reported failures outside these limits would be   an essential measure for the reliability of the facility.