ATLAS Note about Analysis of Beam Splash Events in the SCT

Useful Links

Template latex files for ATLAS notes can be downloaded from here

Some details about what happened on September 10th are here and here, and details of how to access LHC logging data are here

List of BS files/events

There is a total of 79 events with more than 500 space-points (file) in the MBTS_BCM_LUCID stream. The L1Calo stream only has one event with more than 500 SP which is already included in the previous stream.

Beam-1 has no events with more than 500 sp in the SCT.

Correlating SCT events with LHC logging data

Plots

The following sets of following plots show beam 1 events from 87764 (left), beam 2 events from run 87764 (middle), and beam 2 events from run 87851 (right).

The following plots are from events in run 87851 with more than 10k RDOs.

Event Displays

Run 87764 : Event 197240 (RZ)	Run 87764 : Event 197240 (XY)

Run 87764 : Event 197242 (RZ)	Run 87764 : Event 197242 (XY)

This plots should be compared with the existing in the approved plots page.

View of all events with more than 500 space-points for run 87764 (MBTS stream) : RZ View and XY View