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Andreas Luedeke edited sectionPROPOSED_SECO.tex
about 9 years ago
Commit id: 5adcb11ade0591918f6e536f56f1563d89f32999
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E.g. if less than one hour is between two beam trips then the time in-between is counted as downtime.
This can be defined as an extra failure mode: 'short-user-time'.
The limit of what time is too short for user experiments depends on the time the facility needs to get into thermal equilibrium and on the typical length of a measurement at an experiment.
Each facility should define this cutoff time limit $
T_{\mbox{short-user-time}}$; T_{\mathrm{short-user-time}}$; it may depend on the operation mode.
{\em ALBA:} considers 'Short-user-time' as 'no-beam' events if the interval between beam delivery and trip is less than about 30 minutes; although at the moment there is no official number for this short-user-time but a common sense rule is used.