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HBD Alignment in Run-10

HBD Alignment in Run-10. Mihael Makek Weizmann Institute of Science. HBD Meeting, 1/12/2010. Detector movements during Run-10. Run(s) selected for alignment. The dataset. Goal: determine time variations of HBD offsets Selected data: CCNT - hadrons Good quality tracks (31,51,63) n0 < 0

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HBD Alignment in Run-10

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  1. HBD Alignment in Run-10 Mihael Makek Weizmann Institute of Science HBD Meeting, 1/12/2010

  2. Detector movements during Run-10 Run(s) selected for alignment M. Makek - WIS

  3. The dataset • Goal: determine time variations of HBD offsets • Selected data: CCNT - hadrons • Good quality tracks (31,51,63) • n0 < 0 • Emcal matching • Selected subsample: • p > 0.7 GeV/c • Hbdsize = 1 • Restricted geometry in HBD modules • Centrality > 50% M. Makek - WIS

  4. Sign dependence Select particles with p > 0.7 GeV/c to avoid sign dependence M. Makek - WIS

  5. Matching in phi (run 307035) M. Makek - WIS

  6. Matching in z (run 307035) M. Makek - WIS

  7. Offsets in phi M. Makek - WIS

  8. Offsets in z M. Makek - WIS

  9. Offsets in phi - table M. Makek - WIS

  10. Offsets in z - table M. Makek - WIS

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