Project

General

Profile

Actions

FF150613 TOF

In Step I data, Ed sees that the e+ TOF is 26ns instead of 25.6 (as predicted by post-Step I survey geometry)
Possible reasons are:
1) TOF z's used in Step I calibration do not match survey
2) the TDC->time conversion, which is known to be wrong by ~2 %

Solution:
Re-run calibration of Step I data (DR)
To do this we need to know 1) the calibration runs, and 2) the TOF positions in Step I
(Have asked Yordan and Mark which data-sets were used for the Step I calibration)

The calibration has to be re-run for the latest data, in any case.

The new calibrations should be uploaded to CDB (DR)

Implement getting calibrations by RUN (DR)
Implement getting a different calibration for the same RUN/time-range by looking at "id" (DR)

Updated by Rajaram, Durga over 8 years ago ยท 1 revisions