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Preliminary RP results

Preliminary RP results. Helmut Vincke on behalf of RP. Contents: First results on radiation levels seen at Point 6 during the test First results on radiation levels seen at Point 5 during the test Consequences for CMS? Survey and access to the LHC after the test.

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Preliminary RP results

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  1. Preliminary RP results Helmut Vincke on behalf of RP

  2. Contents: • First results on radiation levels seen at Point 6 during the test • First results on radiation levels seen at Point 5 during the test • Consequences for CMS? • Survey and access to the LHC after the test

  3. Radiation levels at Point 6 during beam to the dump PMI6314

  4. Radiation levels at the dump

  5. Radiation levels at TCDQ

  6. Radiation levels at Point 5 during the beam operation

  7. Results and consequences from “Radiation Survey” close to CMS cavern In order to keep the classification “non-designated” in the CMS cavern radiation measurements were carried out in after the test. The radiation levels around the collimator (beam impact point in R532) were in the range of 100 uSv/h. The radiation level close to the CMS cavern (area R542) was found at natural radiation background level.  CMS cavern could remained “non designated” for the 8th and 9th of September.

  8. Accesses and Radiation Survey after the test Due to lack of time (2 days to LHC start) no radiation survey could be carried out. All accesses to area which have seen beam were accompanied by RP personnel. General comment to access requests: Please group the accesses according their location in the LHC via the 8:30 meeting.

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