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Belle II numbering. y. y. x. x. z. z. Electronics mapping ( rawdata ). col 2. col 1. col 0. col 3. r ow: carrier level, 0-3. c olumn: daughter card slot, 0-3. c hannel: channel on ASIC, 0-7. r ow 3. r ow 2. r ow 1. 6 4 2 0. r ow 0. 7 5 3 1. 6 4 2 0. 7 5 3 1. channel.
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Belle II numbering y y x x z z
Electronics mapping (rawdata) col 2 col 1 col 0 col3 • row: carrier level, 0-3. • column: daughter card slot, 0-3. • channel: channel on ASIC, 0-7. row 3 row 2 row 1 6420 row 0 7 5 31 6420 7531 channel (For all modules.) y z x SCROD bottom. Coordinate of Belle II This mapping is checked by using test pulse on front-back board.
Electronics mapping (Belle II) • pmt = row/2 x 16 – col + mod x 4 + 4. • ch = 1 (if channel = 7), 2 (if channel = 5), … • (mod = module ID 0-3) 17 18 19 20 1314 15 16 910 11 12 1 2 3 4 5 6 7 8 pmt 1234 ch (Example for module 0.) y z x SCROD bottom. Coordinate of Belle II
Electronics mapping (beam test ’11) • pmt = row/2 x 12 – col + mod x 4 + 4. • ch = 1 (if channel = 7), 2 (if channel = 5), … • (mod = module ID 0-3) 13 14 15 16 1314 15 16 910 11 12 1 2 3 4 5 6 7 8 pmt 1234 ch (Example for module 0.) y z x SCROD bottom. Coordinate of Belle II
Electronics mapping (beam test ’11) PMT ID 13 14 15 16 17 18 19 20 21 22 23 24 1 2 3 4 5 6 7 8 9 10 11 12 Module 0 Module 1 Module 2 Module ID is used just for identifying modules (used in raw-data level and not used in final ROOT files). y Channel ID 13 14 15 16 9 10 11 12 z x 5 6 7 8 Coordinate of Belle II SCROD bottom. 1 2 34
Electronics mapping (a natural transition) • pmt = row/2 + col. • ch = row%2 x 8 + channel. 7 5 3 1 1612 10 8 151311 9 6 4 2 0 6420 pmt 7531 ch (For all modules.) y z x Coordinate of Belle II SCROD bottom.
Nov. 2011 Dead channels (module 0) z of Belle II Checked by using test pulse to front-back board. SCROD bottom.
Nov. 2011 Dead channels (module 1) z of Belle II Checked by using test pulse to front-back board. SCROD bottom.
Nov. 2011 Dead channels (module 2) • We could not read data so far.